Summary | ZeroBOX

Category	Machine	Started	Completed
FILE	s1_win7_x6401	Aug. 10, 2021, 9:59 a.m.	Aug. 10, 2021, 10:08 a.m.

Size	833.5KB
Type	PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5	`24ad3b2e17fac6718aa79f6c50ccd52a`
SHA256	`0efa3d2a8ad556fc9bcbdbe9808e9cfd0cb5c32df3905d4af49b20bd7b95e3ac`
CRC32	`6A3791C2`
ssdeep	`24576:/KoIFzEfDVBYUvXyzRRSLe735UY69ZljggTGe:/EAD7YUPyFAL`
Yara	OS_Processor_Check_Zero - OS Processor Check Generic_Malware_Zero - Generic Malware Is_DotNET_EXE - (no description) PE_Header_Zero - PE File Signature IsPE32 - (no description) Win_Backdoor_AsyncRAT_Zero - Win Backdoor AsyncRAT

bills.exe "C:\Users\test22\AppData\Local\Temp\bills.exe"
1016
- schtasks.exe "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YbRQsZRtfCBY" /XML "C:\Users\test22\AppData\Local\Temp\tmpB0A6.tmp"
  1908
- bills.exe "C:\Users\test22\AppData\Local\Temp\bills.exe"
  2072

Name	Response	Post-Analysis Lookup
No hosts contacted.

IP Address	Status	Action
164.124.101.2	Active	Moloch

Suricata Alerts

No Suricata Alerts

Suricata TLS

No Suricata TLS

Queries for the computername (5 events)

Time & API	Arguments	Status	Return
GetComputerNameW Aug. 10, 2021, 10:07 a.m.	computer_name: TEST22-PC	1	1
GetComputerNameW Aug. 10, 2021, 10:07 a.m.	computer_name: TEST22-PC	1	1
GetComputerNameW Aug. 10, 2021, 10:07 a.m.	computer_name: TEST22-PC	1	1
GetComputerNameW Aug. 10, 2021, 10:07 a.m.	computer_name: TEST22-PC	1	1
GetComputerNameW Aug. 10, 2021, 10:07 a.m.	computer_name: TEST22-PC	1	1

Checks if process is being debugged by a debugger (4 events)

Time & API	Arguments	Status	Return	Repeated
IsDebuggerPresent Aug. 10, 2021, 9:59 a.m.			0	0
IsDebuggerPresent Aug. 10, 2021, 9:59 a.m.			0	0
IsDebuggerPresent Aug. 10, 2021, 10:07 a.m.			0	0
IsDebuggerPresent Aug. 10, 2021, 10:07 a.m.			0	0

Command line console output was observed (1 event)

Time & API	Arguments	Status	Return	Repeated
WriteConsoleW Aug. 10, 2021, 10:07 a.m.	buffer: SUCCESS: The scheduled task "Updates\YbRQsZRtfCBY" has successfully been created. console_handle: 0x00000007	1	1	0

Uses Windows APIs to generate a cryptographic key (3 events)

Time & API	Arguments	Status	Return
CryptExportKey Aug. 10, 2021, 9:59 a.m.	buffer: <INVALID POINTER> crypto_handle: 0x00806330 flags: 0 crypto_export_handle: 0x00000000 blob_type: 6	1	1
CryptExportKey Aug. 10, 2021, 9:59 a.m.	buffer: <INVALID POINTER> crypto_handle: 0x00806930 flags: 0 crypto_export_handle: 0x00000000 blob_type: 6	1	1
CryptExportKey Aug. 10, 2021, 9:59 a.m.	buffer: <INVALID POINTER> crypto_handle: 0x00806930 flags: 0 crypto_export_handle: 0x00000000 blob_type: 6	1	1

Checks amount of memory in system, this can be used to detect virtual machines that have a low amount of memory available (1 event)

Time & API	Arguments	Status	Return	Repeated
GlobalMemoryStatusEx Aug. 10, 2021, 9:59 a.m.		1	1	0

One or more processes crashed (1 event)

Time & API	Arguments	Status	Return	Repeated
__exception__ Aug. 10, 2021, 10:07 a.m.	stacktrace: 0x541790 0x540fbb DllUnregisterServerInternal-0x7aa2 clr+0x2652 @ 0x720a2652 DllRegisterServerInternal+0x243 CoUninitializeEE-0xd1f5 clr+0x1264f @ 0x720b264f DllRegisterServerInternal+0xa89 CoUninitializeEE-0xc9af clr+0x12e95 @ 0x720b2e95 DllGetClassObjectInternal+0x2473 CorDllMainForThunk-0x8a088 clr+0xc74ec @ 0x721674ec DllGetClassObjectInternal+0x2597 CorDllMainForThunk-0x89f64 clr+0xc7610 @ 0x72167610 CorDllMainForThunk+0x850 _CorExeMain-0x238a clr+0x151dc4 @ 0x721f1dc4 CorDllMainForThunk+0x8f3 _CorExeMain-0x22e7 clr+0x151e67 @ 0x721f1e67 CorDllMainForThunk+0xa06 _CorExeMain-0x21d4 clr+0x151f7a @ 0x721f1f7a _CorExeMain+0x1c ClrCreateManagedInstance-0x35cd clr+0x15416a @ 0x721f416a _CorExeMain+0x71 GetFileVersion-0x293a mscoreei+0xf5a3 @ 0x736ef5a3 CreateConfigStream+0x13f GetProcessExecutableHeap-0xad6 mscoree+0x7f16 @ 0x743c7f16 _CorExeMain+0x8 CreateConfigStream-0x2ff4 mscoree+0x4de3 @ 0x743c4de3 RtlInitializeExceptionChain+0x63 RtlAllocateActivationContextStack-0xa1 ntdll+0x39ed2 @ 0x773d9ed2 RtlInitializeExceptionChain+0x36 RtlAllocateActivationContextStack-0xce ntdll+0x39ea5 @ 0x773d9ea5 exception.instruction_r: 8b 01 8b 40 28 ff 10 89 45 e0 8b 4d dc e8 93 d7 exception.instruction: mov eax, dword ptr [ecx] exception.exception_code: 0xc0000005 exception.symbol: exception.address: 0x541c03 registers.esp: 3404560 registers.edi: 3404584 registers.eax: 0 registers.ebp: 3404596 registers.edx: 195 registers.ebx: 3404844 registers.esi: 42351900 registers.ecx: 0	1	0	0

Time & API

Arguments

Status

Return

Repeated

__exception__

Aug. 10, 2021, 10:07 a.m.

stacktrace:

0x541790
0x540fbb
DllUnregisterServerInternal-0x7aa2 clr+0x2652 @ 0x720a2652
DllRegisterServerInternal+0x243 CoUninitializeEE-0xd1f5 clr+0x1264f @ 0x720b264f
DllRegisterServerInternal+0xa89 CoUninitializeEE-0xc9af clr+0x12e95 @ 0x720b2e95
DllGetClassObjectInternal+0x2473 CorDllMainForThunk-0x8a088 clr+0xc74ec @ 0x721674ec
DllGetClassObjectInternal+0x2597 CorDllMainForThunk-0x89f64 clr+0xc7610 @ 0x72167610
CorDllMainForThunk+0x850 _CorExeMain-0x238a clr+0x151dc4 @ 0x721f1dc4
CorDllMainForThunk+0x8f3 _CorExeMain-0x22e7 clr+0x151e67 @ 0x721f1e67
CorDllMainForThunk+0xa06 _CorExeMain-0x21d4 clr+0x151f7a @ 0x721f1f7a
_CorExeMain+0x1c ClrCreateManagedInstance-0x35cd clr+0x15416a @ 0x721f416a
_CorExeMain+0x71 GetFileVersion-0x293a mscoreei+0xf5a3 @ 0x736ef5a3
CreateConfigStream+0x13f GetProcessExecutableHeap-0xad6 mscoree+0x7f16 @ 0x743c7f16
_CorExeMain+0x8 CreateConfigStream-0x2ff4 mscoree+0x4de3 @ 0x743c4de3
RtlInitializeExceptionChain+0x63 RtlAllocateActivationContextStack-0xa1 ntdll+0x39ed2 @ 0x773d9ed2
RtlInitializeExceptionChain+0x36 RtlAllocateActivationContextStack-0xce ntdll+0x39ea5 @ 0x773d9ea5

exception.instruction_r: 8b 01 8b 40 28 ff 10 89 45 e0 8b 4d dc e8 93 d7
exception.instruction: mov eax, dword ptr [ecx]
exception.exception_code: 0xc0000005
exception.symbol:
exception.address: 0x541c03
registers.esp: 3404560
registers.edi: 3404584
registers.eax: 0
registers.ebp: 3404596
registers.edx: 195
registers.ebx: 3404844
registers.esi: 42351900
registers.ecx: 0

One or more potentially interesting buffers were extracted, these generally contain injected code, configuration data, etc.

Allocates read-write-execute memory (usually to unpack itself) (50 out of 92 events)

Time & API	Arguments	Status
NtAllocateVirtualMemory Aug. 10, 2021, 9:59 a.m.	process_identifier: 1016 region_size: 1441792 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00600000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 10, 2021, 9:59 a.m.	process_identifier: 1016 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00720000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtProtectVirtualMemory Aug. 10, 2021, 9:59 a.m.	process_identifier: 1016 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x72741000 process_handle: 0xffffffff	1
NtProtectVirtualMemory Aug. 10, 2021, 9:59 a.m.	process_identifier: 1016 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x72742000 process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 10, 2021, 9:59 a.m.	process_identifier: 1016 region_size: 1048576 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003f0000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 10, 2021, 9:59 a.m.	process_identifier: 1016 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x004b0000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 10, 2021, 9:59 a.m.	process_identifier: 1016 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00292000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 10, 2021, 9:59 a.m.	process_identifier: 1016 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x002ac000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 10, 2021, 9:59 a.m.	process_identifier: 1016 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x004a0000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 10, 2021, 9:59 a.m.	process_identifier: 1016 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x004a1000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 10, 2021, 9:59 a.m.	process_identifier: 1016 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x004a2000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 10, 2021, 9:59 a.m.	process_identifier: 1016 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x004a3000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 10, 2021, 9:59 a.m.	process_identifier: 1016 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x004a4000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 10, 2021, 9:59 a.m.	process_identifier: 1016 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x004a5000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 10, 2021, 9:59 a.m.	process_identifier: 1016 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x002c5000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 10, 2021, 9:59 a.m.	process_identifier: 1016 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x002cb000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 10, 2021, 9:59 a.m.	process_identifier: 1016 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x002c7000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 10, 2021, 9:59 a.m.	process_identifier: 1016 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x004a6000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 10, 2021, 9:59 a.m.	process_identifier: 1016 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0029a000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 10, 2021, 9:59 a.m.	process_identifier: 1016 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x002ba000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 10, 2021, 9:59 a.m.	process_identifier: 1016 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x002b7000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 10, 2021, 9:59 a.m.	process_identifier: 1016 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x002aa000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 10, 2021, 9:59 a.m.	process_identifier: 1016 region_size: 327680 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x7ef50000 allocation_type: 1056768 (MEM_RESERVE\|MEM_TOP_DOWN) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 10, 2021, 9:59 a.m.	process_identifier: 1016 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x7ef50000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 10, 2021, 9:59 a.m.	process_identifier: 1016 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x7ef50000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 10, 2021, 9:59 a.m.	process_identifier: 1016 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x7ef58000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 10, 2021, 9:59 a.m.	process_identifier: 1016 region_size: 65536 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x7ef40000 allocation_type: 1056768 (MEM_RESERVE\|MEM_TOP_DOWN) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 10, 2021, 9:59 a.m.	process_identifier: 1016 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x7ef40000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 10, 2021, 9:59 a.m.	process_identifier: 1016 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x004a7000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 10, 2021, 9:59 a.m.	process_identifier: 1016 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x002b6000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 10, 2021, 9:59 a.m.	process_identifier: 1016 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00d40000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 10, 2021, 9:59 a.m.	process_identifier: 1016 region_size: 45056 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00d41000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtProtectVirtualMemory Aug. 10, 2021, 9:59 a.m.	process_identifier: 1016 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x72032000 process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 10, 2021, 9:59 a.m.	process_identifier: 1016 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00d4c000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 10, 2021, 9:59 a.m.	process_identifier: 1016 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00d4d000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 10, 2021, 9:59 a.m.	process_identifier: 1016 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00d4e000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 10, 2021, 9:59 a.m.	process_identifier: 1016 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00d4f000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 10, 2021, 9:59 a.m.	process_identifier: 1016 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00cb0000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 10, 2021, 9:59 a.m.	process_identifier: 1016 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0029c000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 10, 2021, 9:59 a.m.	process_identifier: 1016 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x002ad000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 10, 2021, 9:59 a.m.	process_identifier: 1016 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00cb1000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 10, 2021, 10 a.m.	process_identifier: 1016 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x002ae000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 10, 2021, 10 a.m.	process_identifier: 1016 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x002af000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 10, 2021, 10 a.m.	process_identifier: 1016 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00cb2000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 10, 2021, 10 a.m.	process_identifier: 1016 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00cb3000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 10, 2021, 10 a.m.	process_identifier: 1016 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00cb4000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 10, 2021, 10 a.m.	process_identifier: 1016 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00cb5000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 10, 2021, 10 a.m.	process_identifier: 1016 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00cb6000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 10, 2021, 10 a.m.	process_identifier: 1016 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00cb7000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 10, 2021, 10 a.m.	process_identifier: 1016 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00cb8000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1

Creates a suspicious process (2 events)

cmdline	"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YbRQsZRtfCBY" /XML "C:\Users\test22\AppData\Local\Temp\tmpB0A6.tmp"
cmdline	schtasks.exe /Create /TN "Updates\YbRQsZRtfCBY" /XML "C:\Users\test22\AppData\Local\Temp\tmpB0A6.tmp"

A process created a hidden window (1 event)

Time & API	Arguments	Status	Return	Repeated
ShellExecuteExW Aug. 10, 2021, 10:01 a.m.	show_type: 0 filepath_r: schtasks.exe parameters: /Create /TN "Updates\YbRQsZRtfCBY" /XML "C:\Users\test22\AppData\Local\Temp\tmpB0A6.tmp" filepath: schtasks.exe	1	1	0

Moves the original executable to a new location (1 event)

Time & API	Arguments	Status	Return	Repeated
MoveFileWithProgressW Aug. 10, 2021, 10:07 a.m.	newfilepath_r: C:\Users\test22\AppData\Local\Temp\\tmpG556.tmp flags: 8 oldfilepath_r: C:\Users\test22\AppData\Local\Temp\bills.exe newfilepath: C:\Users\test22\AppData\Local\Temp\tmpG556.tmp oldfilepath: C:\Users\test22\AppData\Local\Temp\bills.exe	1	1	0

The binary likely contains encrypted or compressed data indicative of a packer (2 events)

section

{u'size_of_data': u'0x000cf200', u'virtual_address': u'0x00002000', u'entropy': 7.744250379269609, u'name': u'.text', u'virtual_size': u'0x000cf134'}

entropy

7.74425037927

description

A section with a high entropy has been found

entropy

0.994597839136

description

Overall entropy of this PE file is high

Checks for the Locally Unique Identifier on the system for a suspicious privilege (2 events)

Time & API	Arguments	Status	Return	Repeated
LookupPrivilegeValueW Aug. 10, 2021, 10:01 a.m.	system_name: privilege_name: SeDebugPrivilege	1	1	0
LookupPrivilegeValueW Aug. 10, 2021, 10:07 a.m.	system_name: privilege_name: SeDebugPrivilege	1	1	0

Yara rule detected in process memory (10 events)

description	Communications smtp	rule	Network_SMTP_dotNet
description	Run a KeyLogger	rule	KeyLogger
description	(no description)	rule	DebuggerCheck__GlobalFlags
description	(no description)	rule	DebuggerCheck__QueryInfo
description	(no description)	rule	DebuggerHiding__Thread
description	(no description)	rule	DebuggerHiding__Active
description	(no description)	rule	ThreadControl__Context
description	(no description)	rule	SEH__vectored
description	Bypass DEP	rule	disable_dep
description	Affect hook table	rule	win_hook

Uses Windows utilities for basic Windows functionality (2 events)

cmdline	"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YbRQsZRtfCBY" /XML "C:\Users\test22\AppData\Local\Temp\tmpB0A6.tmp"
cmdline	schtasks.exe /Create /TN "Updates\YbRQsZRtfCBY" /XML "C:\Users\test22\AppData\Local\Temp\tmpB0A6.tmp"

Allocates execute permission to another process indicative of possible code injection (1 event)

Time & API	Arguments	Status	Return	Repeated
NtAllocateVirtualMemory Aug. 10, 2021, 10:01 a.m.	process_identifier: 2072 region_size: 245760 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00400000 allocation_type: 12288 (MEM_COMMIT\|MEM_RESERVE) process_handle: 0x000003a0	1	0	0

Looks for the Windows Idle Time to determine the uptime (1 event)

Time & API	Arguments	Status	Return	Repeated
NtQuerySystemInformation Aug. 10, 2021, 10:07 a.m.	information_class: 8 (SystemProcessorPerformanceInformation)	1	0	0

A process attempted to delay the analysis task. (1 event)

description

bills.exe tried to sleep 5456500 seconds, actually delayed analysis time by 5456500 seconds

Installs itself for autorun at Windows startup (1 event)

reg_key

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run\newapp

reg_value

C:\Users\test22\AppData\Roaming\newapp\newapp.exe

Deletes executed files from disk (1 event)

file	C:\Users\test22\AppData\Local\Temp\tmpB0A6.tmp

Potential code injection by writing to the memory of another process (4 events)

Time & API	Arguments	Status	Return
WriteProcessMemory Aug. 10, 2021, 10:01 a.m.	buffer: MZÿÿ¸@º´ Í!¸LÍ!This program cannot be run in DOS mode. $PELvCaàXNw @ À@üvO( H.textTW X `.rsrc(Z@@.reloc `@B base_address: 0x00400000 process_identifier: 2072 process_handle: 0x000003a0	1	1
WriteProcessMemory Aug. 10, 2021, 10:01 a.m.	buffer: 8Ph 8ê4VS_VERSION_INFO½ïþ?DVarFileInfo$Translation°ôStringFileInfoÐ000004b0,FileDescription 0FileVersion0.0.0.0` InternalNamenKLZsyNYOWgEuSIfHrZpxQqgycN.exe(LegalCopyright h OriginalFilenamenKLZsyNYOWgEuSIfHrZpxQqgycN.exe4ProductVersion0.0.0.08Assembly Version0.0.0.0ï»¿<?xml version="1.0" encoding="UTF-8" standalone="yes"?> <assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0"> <assemblyIdentity version="1.0.0.0" name="MyApplication.app"/> <trustInfo xmlns="urn:schemas-microsoft-com:asm.v2"> <security> <requestedPrivileges xmlns="urn:schemas-microsoft-com:asm.v3"> <requestedExecutionLevel level="asInvoker" uiAccess="false"/> </requestedPrivileges> </security> </trustInfo> </assembly> base_address: 0x00438000 process_identifier: 2072 process_handle: 0x000003a0	1	1
WriteProcessMemory Aug. 10, 2021, 10:01 a.m.	buffer: pP7 base_address: 0x0043a000 process_identifier: 2072 process_handle: 0x000003a0	1	1
WriteProcessMemory Aug. 10, 2021, 10:01 a.m.	buffer: @ base_address: 0x7efde008 process_identifier: 2072 process_handle: 0x000003a0	1	1

Code injection by writing an executable or DLL to the memory of another process (1 event)

Time & API	Arguments	Status	Return	Repeated
WriteProcessMemory Aug. 10, 2021, 10:01 a.m.	buffer: MZÿÿ¸@º´ Í!¸LÍ!This program cannot be run in DOS mode. $PELvCaàXNw @ À@üvO( H.textTW X `.rsrc(Z@@.reloc `@B base_address: 0x00400000 process_identifier: 2072 process_handle: 0x000003a0	1	1	0

File has been identified by 17 AntiVirus engines on VirusTotal as malicious (17 events)

Elastic	malicious (high confidence)
FireEye	Generic.mg.24ad3b2e17fac671
Cylance	Unsafe
BitDefenderTheta	Gen:NN.ZemsilF.34058.0m0@a4IN0zp
Cyren	W32/MSIL_Kryptik.FDM.gen!Eldorado
Symantec	ML.Attribute.HighConfidence
APEX	Malicious
Kaspersky	VHO:Backdoor.MSIL.NanoBot.gen
Sophos	Generic ML PUA (PUA)
McAfee-GW-Edition	BehavesLike.Win32.Generic.cc
SentinelOne	Static AI - Malicious PE
MaxSecure	Trojan.Malware.300983.susgen
Microsoft	Trojan:Win32/AgentTesla!ml
VBA32	CIL.HeapOverride.Heur
Fortinet	MSIL/GenKryptik.FIQW!tr
CrowdStrike	win/malicious_confidence_60% (D)
Qihoo-360	HEUR/QVM03.0.2946.Malware.Gen

Used NtSetContextThread to modify a thread in a remote process indicative of process injection (2 events)

Time & API	Arguments	Status	Return	Repeated
Process injection	Process 1016 called NtSetContextThread to modify thread in remote process 2072
NtSetContextThread Aug. 10, 2021, 10:01 a.m.	registers.eip: 0 registers.esp: 0 registers.edi: 0 registers.eax: 4421454 registers.ebp: 0 registers.edx: 0 registers.ebx: 2130567168 registers.esi: 0 registers.ecx: 0 thread_handle: 0x000003a4 process_identifier: 2072	1	0	0

Attempts to remove evidence of file being downloaded from the Internet (1 event)

file	C:\Users\test22\AppData\Roaming\newapp\newapp.exe:Zone.Identifier

Resumed a suspended thread in a remote process potentially indicative of process injection (2 events)

Time & API	Arguments	Status	Return	Repeated
Process injection	Process 1016 resumed a thread in remote process 2072
NtResumeThread Aug. 10, 2021, 10:01 a.m.	thread_handle: 0x000003a4 suspend_count: 1 process_identifier: 2072	1	0	0

Executed a process and injected code into it, probably while unpacking (27 events)

Time & API	Arguments	Status	Return
NtResumeThread Aug. 10, 2021, 9:59 a.m.	thread_handle: 0x000000dc suspend_count: 1 process_identifier: 1016	1	0
NtResumeThread Aug. 10, 2021, 9:59 a.m.	thread_handle: 0x00000154 suspend_count: 1 process_identifier: 1016	1	0
NtResumeThread Aug. 10, 2021, 9:59 a.m.	thread_handle: 0x00000184 suspend_count: 1 process_identifier: 1016	1	0
NtResumeThread Aug. 10, 2021, 9:59 a.m.	thread_handle: 0x00000204 suspend_count: 1 process_identifier: 1016	1	0
NtGetContextThread Aug. 10, 2021, 9:59 a.m.	thread_handle: 0x000000e8	1	0
NtGetContextThread Aug. 10, 2021, 9:59 a.m.	thread_handle: 0x000000e8	1	0
NtResumeThread Aug. 10, 2021, 9:59 a.m.	thread_handle: 0x000000e8 suspend_count: 1 process_identifier: 1016	1	0
NtResumeThread Aug. 10, 2021, 10 a.m.	thread_handle: 0x000002bc suspend_count: 1 process_identifier: 1016	1	0
CreateProcessInternalW Aug. 10, 2021, 10:01 a.m.	thread_identifier: 2088 thread_handle: 0x000003dc process_identifier: 1908 current_directory: C:\Users\test22\AppData\Local\Temp filepath: C:\Windows\System32\schtasks.exe track: 1 command_line: "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YbRQsZRtfCBY" /XML "C:\Users\test22\AppData\Local\Temp\tmpB0A6.tmp" filepath_r: C:\Windows\System32\schtasks.exe stack_pivoted: 0 creation_flags: 67634192 (CREATE_DEFAULT_ERROR_MODE\|CREATE_NEW_CONSOLE\|CREATE_UNICODE_ENVIRONMENT\|EXTENDED_STARTUPINFO_PRESENT) inherit_handles: 0 process_handle: 0x000003e4	1	1
CreateProcessInternalW Aug. 10, 2021, 10:01 a.m.	thread_identifier: 872 thread_handle: 0x000003a4 process_identifier: 2072 current_directory: filepath: C:\Users\test22\AppData\Local\Temp\bills.exe track: 1 command_line: filepath_r: C:\Users\test22\AppData\Local\Temp\bills.exe stack_pivoted: 0 creation_flags: 134217732 (CREATE_NO_WINDOW\|CREATE_SUSPENDED) inherit_handles: 0 process_handle: 0x000003a0	1	1
NtGetContextThread Aug. 10, 2021, 10:01 a.m.	thread_handle: 0x000003a4	1	0
NtAllocateVirtualMemory Aug. 10, 2021, 10:01 a.m.	process_identifier: 2072 region_size: 245760 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00400000 allocation_type: 12288 (MEM_COMMIT\|MEM_RESERVE) process_handle: 0x000003a0	1	0
WriteProcessMemory Aug. 10, 2021, 10:01 a.m.	buffer: MZÿÿ¸@º´ Í!¸LÍ!This program cannot be run in DOS mode. $PELvCaàXNw @ À@üvO( H.textTW X `.rsrc(Z@@.reloc `@B base_address: 0x00400000 process_identifier: 2072 process_handle: 0x000003a0	1	1
WriteProcessMemory Aug. 10, 2021, 10:01 a.m.	buffer: base_address: 0x00402000 process_identifier: 2072 process_handle: 0x000003a0	1	1
WriteProcessMemory Aug. 10, 2021, 10:01 a.m.	buffer: 8Ph 8ê4VS_VERSION_INFO½ïþ?DVarFileInfo$Translation°ôStringFileInfoÐ000004b0,FileDescription 0FileVersion0.0.0.0` InternalNamenKLZsyNYOWgEuSIfHrZpxQqgycN.exe(LegalCopyright h OriginalFilenamenKLZsyNYOWgEuSIfHrZpxQqgycN.exe4ProductVersion0.0.0.08Assembly Version0.0.0.0ï»¿<?xml version="1.0" encoding="UTF-8" standalone="yes"?> <assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0"> <assemblyIdentity version="1.0.0.0" name="MyApplication.app"/> <trustInfo xmlns="urn:schemas-microsoft-com:asm.v2"> <security> <requestedPrivileges xmlns="urn:schemas-microsoft-com:asm.v3"> <requestedExecutionLevel level="asInvoker" uiAccess="false"/> </requestedPrivileges> </security> </trustInfo> </assembly> base_address: 0x00438000 process_identifier: 2072 process_handle: 0x000003a0	1	1
WriteProcessMemory Aug. 10, 2021, 10:01 a.m.	buffer: pP7 base_address: 0x0043a000 process_identifier: 2072 process_handle: 0x000003a0	1	1
WriteProcessMemory Aug. 10, 2021, 10:01 a.m.	buffer: @ base_address: 0x7efde008 process_identifier: 2072 process_handle: 0x000003a0	1	1
NtSetContextThread Aug. 10, 2021, 10:01 a.m.	registers.eip: 0 registers.esp: 0 registers.edi: 0 registers.eax: 4421454 registers.ebp: 0 registers.edx: 0 registers.ebx: 2130567168 registers.esi: 0 registers.ecx: 0 thread_handle: 0x000003a4 process_identifier: 2072	1	0
NtResumeThread Aug. 10, 2021, 10:01 a.m.	thread_handle: 0x000003a4 suspend_count: 1 process_identifier: 2072	1	0
NtResumeThread Aug. 10, 2021, 10:01 a.m.	thread_handle: 0x000003d0 suspend_count: 1 process_identifier: 1016	1	0
NtResumeThread Aug. 10, 2021, 10:07 a.m.	thread_handle: 0x000000dc suspend_count: 1 process_identifier: 2072	1	0
NtResumeThread Aug. 10, 2021, 10:07 a.m.	thread_handle: 0x00000150 suspend_count: 1 process_identifier: 2072	1	0
NtResumeThread Aug. 10, 2021, 10:07 a.m.	thread_handle: 0x00000190 suspend_count: 1 process_identifier: 2072	1	0
NtResumeThread Aug. 10, 2021, 10:07 a.m.	thread_handle: 0x0000031c suspend_count: 1 process_identifier: 2072	1	0
NtResumeThread Aug. 10, 2021, 10:07 a.m.	thread_handle: 0x0000033c suspend_count: 1 process_identifier: 2072	1	0
NtResumeThread Aug. 10, 2021, 10:07 a.m.	thread_handle: 0x000003a0 suspend_count: 1 process_identifier: 2072	1	0
NtResumeThread Aug. 10, 2021, 10:07 a.m.	thread_handle: 0x00000418 suspend_count: 1 process_identifier: 2072	1	0

bills.exe

Process Tree Toggle all

Network Toggle all

Suricata Toggle all

Suricata Alerts

Suricata TLS

Signatures Toggle All