Summary | ZeroBOX

Category	Machine	Started	Completed
FILE	s1_win7_x6402	July 1, 2021, 6:38 a.m.	July 1, 2021, 6:48 a.m.

Size	682.0KB
Type	PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5	`d93f569ff54a1dd918388389b5007099`
SHA256	`c6c5e6a56a78715fb61544524106f2c5abdce844e3ac667e799e337df5b43f12`
CRC32	`7545C22D`
ssdeep	`12288:cUgOwtBbX5TyWeL/5d7jvSlhO3sB5hKm0m4UwkwjXL4OHPtNighPw:cUgOACL/5NjvSlI3sB5wm5WjfvtNNhP`
Yara	Win_Backdoor_AsyncRAT_Zero - Win Backdoor AsyncRAT Is_DotNET_EXE - (no description) Generic_Malware_Zero - Generic Malware IsPE32 - (no description) Admin_Tool_IN_Zero - Admin Tool Sysinternals PE_Header_Zero - PE File Signature Malicious_Library_Zero - Malicious_Library

mb.exe "C:\Users\test22\AppData\Local\Temp\mb.exe"
8024
- schtasks.exe "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WnbDmZeThDTfV" /XML "C:\Users\test22\AppData\Local\Temp\tmpC2C7.tmp"
  8104
- mb.exe "C:\Users\test22\AppData\Local\Temp\mb.exe"
  6472

Name	Response	Post-Analysis Lookup
No hosts contacted.

IP Address	Status	Action
172.217.25.14	Active	Moloch

Suricata Alerts

No Suricata Alerts

Suricata TLS

No Suricata TLS

Queries for the computername (5 events)

Time & API	Arguments	Status	Return
GetComputerNameW July 1, 2021, 6:39 a.m.	computer_name: TEST22-PC	1	1
GetComputerNameW July 1, 2021, 6:39 a.m.	computer_name: TEST22-PC	1	1
GetComputerNameW July 1, 2021, 6:39 a.m.	computer_name: TEST22-PC	1	1
GetComputerNameW July 1, 2021, 6:39 a.m.	computer_name: TEST22-PC	1	1
GetComputerNameW July 1, 2021, 6:39 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 July 1, 2021, 6:38 a.m.			0	0
IsDebuggerPresent July 1, 2021, 6:38 a.m.			0	0
IsDebuggerPresent July 1, 2021, 6:39 a.m.			0	0
IsDebuggerPresent July 1, 2021, 6:39 a.m.			0	0

Command line console output was observed (1 event)

Time & API	Arguments	Status	Return	Repeated
WriteConsoleW July 1, 2021, 6:39 a.m.	buffer: SUCCESS: The scheduled task "Updates\WnbDmZeThDTfV" 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 July 1, 2021, 6:38 a.m.	buffer: <INVALID POINTER> crypto_handle: 0x00668f20 flags: 0 crypto_export_handle: 0x00000000 blob_type: 6	1	1
CryptExportKey July 1, 2021, 6:38 a.m.	buffer: <INVALID POINTER> crypto_handle: 0x00669220 flags: 0 crypto_export_handle: 0x00000000 blob_type: 6	1	1
CryptExportKey July 1, 2021, 6:38 a.m.	buffer: <INVALID POINTER> crypto_handle: 0x00669220 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 July 1, 2021, 6:38 a.m.		1	1	0

One or more processes crashed (1 event)

Time & API	Arguments	Status	Return	Repeated
__exception__ July 1, 2021, 6:39 a.m.	stacktrace: 0xab1798 0xab0fbb DllUnregisterServerInternal-0x7aa2 clr+0x2652 @ 0x6f502652 DllRegisterServerInternal+0x243 CoUninitializeEE-0xd1f5 clr+0x1264f @ 0x6f51264f DllRegisterServerInternal+0xa89 CoUninitializeEE-0xc9af clr+0x12e95 @ 0x6f512e95 DllGetClassObjectInternal+0x2473 CorDllMainForThunk-0x8a088 clr+0xc74ec @ 0x6f5c74ec DllGetClassObjectInternal+0x2597 CorDllMainForThunk-0x89f64 clr+0xc7610 @ 0x6f5c7610 CorDllMainForThunk+0x850 _CorExeMain-0x238a clr+0x151dc4 @ 0x6f651dc4 CorDllMainForThunk+0x8f3 _CorExeMain-0x22e7 clr+0x151e67 @ 0x6f651e67 CorDllMainForThunk+0xa06 _CorExeMain-0x21d4 clr+0x151f7a @ 0x6f651f7a _CorExeMain+0x1c ClrCreateManagedInstance-0x35cd clr+0x15416a @ 0x6f65416a _CorExeMain+0x71 GetFileVersion-0x293a mscoreei+0xf5a3 @ 0x7387f5a3 CreateConfigStream+0x13f GetProcessExecutableHeap-0xad6 mscoree+0x7f16 @ 0x744b7f16 _CorExeMain+0x8 CreateConfigStream-0x2ff4 mscoree+0x4de3 @ 0x744b4de3 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 8b d7 exception.instruction: mov eax, dword ptr [ecx] exception.exception_code: 0xc0000005 exception.symbol: exception.address: 0xab1c0b registers.esp: 3993120 registers.edi: 3993144 registers.eax: 0 registers.ebp: 3993156 registers.edx: 195 registers.ebx: 3993412 registers.esi: 42485456 registers.ecx: 0	1	0	0

Time & API

Arguments

Status

Return

Repeated

__exception__

July 1, 2021, 6:39 a.m.

stacktrace:

0xab1798
0xab0fbb
DllUnregisterServerInternal-0x7aa2 clr+0x2652 @ 0x6f502652
DllRegisterServerInternal+0x243 CoUninitializeEE-0xd1f5 clr+0x1264f @ 0x6f51264f
DllRegisterServerInternal+0xa89 CoUninitializeEE-0xc9af clr+0x12e95 @ 0x6f512e95
DllGetClassObjectInternal+0x2473 CorDllMainForThunk-0x8a088 clr+0xc74ec @ 0x6f5c74ec
DllGetClassObjectInternal+0x2597 CorDllMainForThunk-0x89f64 clr+0xc7610 @ 0x6f5c7610
CorDllMainForThunk+0x850 _CorExeMain-0x238a clr+0x151dc4 @ 0x6f651dc4
CorDllMainForThunk+0x8f3 _CorExeMain-0x22e7 clr+0x151e67 @ 0x6f651e67
CorDllMainForThunk+0xa06 _CorExeMain-0x21d4 clr+0x151f7a @ 0x6f651f7a
_CorExeMain+0x1c ClrCreateManagedInstance-0x35cd clr+0x15416a @ 0x6f65416a
_CorExeMain+0x71 GetFileVersion-0x293a mscoreei+0xf5a3 @ 0x7387f5a3
CreateConfigStream+0x13f GetProcessExecutableHeap-0xad6 mscoree+0x7f16 @ 0x744b7f16
_CorExeMain+0x8 CreateConfigStream-0x2ff4 mscoree+0x4de3 @ 0x744b4de3
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 8b d7
exception.instruction: mov eax, dword ptr [ecx]
exception.exception_code: 0xc0000005
exception.symbol:
exception.address: 0xab1c0b
registers.esp: 3993120
registers.edi: 3993144
registers.eax: 0
registers.ebp: 3993156
registers.edx: 195
registers.ebx: 3993412
registers.esi: 42485456
registers.ecx: 0

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

Starts servers listening (3 events)

Time & API	Arguments	Status	Return
bind July 1, 2021, 6:38 a.m.	ip_address: 127.0.0.1 socket: 616 port: 0	1	0
listen July 1, 2021, 6:38 a.m.	socket: 616 backlog: 2147483647	1	0
accept July 1, 2021, 6:38 a.m.	ip_address: 127.0.0.1 socket: 616 port: 0		4294967295

Allocates read-write-execute memory (usually to unpack itself) (50 out of 78 events)

Time & API	Arguments	Status
NtAllocateVirtualMemory July 1, 2021, 6:38 a.m.	process_identifier: 8024 region_size: 720896 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00480000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 1, 2021, 6:38 a.m.	process_identifier: 8024 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x004f0000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtProtectVirtualMemory July 1, 2021, 6:38 a.m.	process_identifier: 8024 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x6fba1000 process_handle: 0xffffffff	1
NtProtectVirtualMemory July 1, 2021, 6:38 a.m.	process_identifier: 8024 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x6fba2000 process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 1, 2021, 6:38 a.m.	process_identifier: 8024 region_size: 2097152 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x02240000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 1, 2021, 6:38 a.m.	process_identifier: 8024 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x02400000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 1, 2021, 6:38 a.m.	process_identifier: 8024 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003d2000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 1, 2021, 6:38 a.m.	process_identifier: 8024 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00485000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 1, 2021, 6:38 a.m.	process_identifier: 8024 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0048b000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 1, 2021, 6:38 a.m.	process_identifier: 8024 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00487000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 1, 2021, 6:38 a.m.	process_identifier: 8024 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003ec000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 1, 2021, 6:38 a.m.	process_identifier: 8024 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x005b0000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 1, 2021, 6:38 a.m.	process_identifier: 8024 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003da000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 1, 2021, 6:38 a.m.	process_identifier: 8024 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003fa000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 1, 2021, 6:38 a.m.	process_identifier: 8024 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003f7000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 1, 2021, 6:38 a.m.	process_identifier: 8024 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003ea000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 1, 2021, 6:38 a.m.	process_identifier: 8024 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003f6000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 1, 2021, 6:38 a.m.	process_identifier: 8024 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 July 1, 2021, 6:38 a.m.	process_identifier: 8024 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 July 1, 2021, 6:38 a.m.	process_identifier: 8024 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 July 1, 2021, 6:38 a.m.	process_identifier: 8024 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 July 1, 2021, 6:38 a.m.	process_identifier: 8024 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 July 1, 2021, 6:38 a.m.	process_identifier: 8024 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 July 1, 2021, 6:38 a.m.	process_identifier: 8024 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x005b1000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 1, 2021, 6:38 a.m.	process_identifier: 8024 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003fb000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtProtectVirtualMemory July 1, 2021, 6:38 a.m.	process_identifier: 8024 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x73772000 process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 1, 2021, 6:38 a.m.	process_identifier: 8024 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x005b2000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 1, 2021, 6:38 a.m.	process_identifier: 8024 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003dc000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 1, 2021, 6:38 a.m.	process_identifier: 8024 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x005b3000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 1, 2021, 6:39 a.m.	process_identifier: 8024 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003ed000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 1, 2021, 6:39 a.m.	process_identifier: 8024 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x005b4000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 1, 2021, 6:39 a.m.	process_identifier: 8024 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x005b5000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 1, 2021, 6:39 a.m.	process_identifier: 8024 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x005b6000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 1, 2021, 6:39 a.m.	process_identifier: 8024 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x005b7000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 1, 2021, 6:39 a.m.	process_identifier: 8024 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x005b8000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 1, 2021, 6:39 a.m.	process_identifier: 8024 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x005b9000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 1, 2021, 6:39 a.m.	process_identifier: 8024 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x005ba000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 1, 2021, 6:39 a.m.	process_identifier: 8024 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x005bb000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 1, 2021, 6:39 a.m.	process_identifier: 8024 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x005bc000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 1, 2021, 6:39 a.m.	process_identifier: 8024 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x005bd000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 1, 2021, 6:39 a.m.	process_identifier: 8024 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x005be000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 1, 2021, 6:39 a.m.	process_identifier: 8024 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x005bf000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 1, 2021, 6:39 a.m.	process_identifier: 8024 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00b10000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 1, 2021, 6:39 a.m.	process_identifier: 8024 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00b11000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 1, 2021, 6:39 a.m.	process_identifier: 8024 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00b12000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 1, 2021, 6:39 a.m.	process_identifier: 6472 region_size: 2031616 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x01020000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 1, 2021, 6:39 a.m.	process_identifier: 6472 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x011d0000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtProtectVirtualMemory July 1, 2021, 6:39 a.m.	process_identifier: 6472 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x6f501000 process_handle: 0xffffffff	1
NtProtectVirtualMemory July 1, 2021, 6:39 a.m.	process_identifier: 6472 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x6f502000 process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 1, 2021, 6:39 a.m.	process_identifier: 6472 region_size: 983040 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00920000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1

Creates a suspicious process (2 events)

cmdline	"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WnbDmZeThDTfV" /XML "C:\Users\test22\AppData\Local\Temp\tmpC2C7.tmp"
cmdline	schtasks.exe /Create /TN "Updates\WnbDmZeThDTfV" /XML "C:\Users\test22\AppData\Local\Temp\tmpC2C7.tmp"

A process created a hidden window (1 event)

Time & API	Arguments	Status	Return	Repeated
ShellExecuteExW July 1, 2021, 6:39 a.m.	show_type: 0 filepath_r: schtasks.exe parameters: /Create /TN "Updates\WnbDmZeThDTfV" /XML "C:\Users\test22\AppData\Local\Temp\tmpC2C7.tmp" filepath: schtasks.exe	1	1	0

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

section

{u'size_of_data': u'0x000a9c00', u'virtual_address': u'0x00002000', u'entropy': 7.362794805789265, u'name': u'.text', u'virtual_size': u'0x000a9a14'}

entropy

7.36279480579

description

A section with a high entropy has been found

entropy

0.996331621423

description

Overall entropy of this PE file is high

Checks for the Locally Unique Identifier on the system for a suspicious privilege (1 event)

Time & API	Arguments	Status	Return	Repeated
LookupPrivilegeValueW July 1, 2021, 6:39 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\WnbDmZeThDTfV" /XML "C:\Users\test22\AppData\Local\Temp\tmpC2C7.tmp"
cmdline	schtasks.exe /Create /TN "Updates\WnbDmZeThDTfV" /XML "C:\Users\test22\AppData\Local\Temp\tmpC2C7.tmp"

Communicates with host for which no DNS query was performed (1 event)

host

172.217.25.14

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

Time & API	Arguments	Status	Return	Repeated
NtAllocateVirtualMemory July 1, 2021, 6:39 a.m.	process_identifier: 6472 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: 0x00000410	1	0	0

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

Time & API	Arguments	Status	Return	Repeated
NtQuerySystemInformation July 1, 2021, 6:39 a.m.	information_class: 8 (SystemProcessorPerformanceInformation)	1	0	0

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

description

mb.exe tried to sleep 13641051 seconds, actually delayed analysis time by 13641051 seconds

Deletes executed files from disk (1 event)

file	C:\Users\test22\AppData\Local\Temp\tmpC2C7.tmp

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

Time & API	Arguments	Status	Return
WriteProcessMemory July 1, 2021, 6:39 a.m.	buffer: MZÿÿ¸@º´ Í!¸LÍ!This program cannot be run in DOS mode. $PELq`àX>v @ À@äuWX H.textDV X `.rsrcXZ@@.reloc `@B base_address: 0x00400000 process_identifier: 6472 process_handle: 0x00000410	1	1
WriteProcessMemory July 1, 2021, 6:39 a.m.	buffer: 8Ph ÄhêÄ4VS_VERSION_INFO½ïþ?DVarFileInfo$Translation°$StringFileInfo000004b0,FileDescription 0FileVersion0.0.0.0x,InternalNameXGPWdGutkdNwhwzxXFILaBvjYzQEPLjNtGbCFpX.exe(LegalCopyright ,OriginalFilenameXGPWdGutkdNwhwzxXFILaBvjYzQEPLjNtGbCFpX.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: 6472 process_handle: 0x00000410	1	1
WriteProcessMemory July 1, 2021, 6:39 a.m.	buffer: p@6 base_address: 0x0043a000 process_identifier: 6472 process_handle: 0x00000410	1	1
WriteProcessMemory July 1, 2021, 6:39 a.m.	buffer: @ base_address: 0x7efde008 process_identifier: 6472 process_handle: 0x00000410	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 July 1, 2021, 6:39 a.m.	buffer: MZÿÿ¸@º´ Í!¸LÍ!This program cannot be run in DOS mode. $PELq`àX>v @ À@äuWX H.textDV X `.rsrcXZ@@.reloc `@B base_address: 0x00400000 process_identifier: 6472 process_handle: 0x00000410	1	1	0

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 8024 called NtSetContextThread to modify thread in remote process 6472
NtSetContextThread July 1, 2021, 6:39 a.m.	registers.eip: 0 registers.esp: 0 registers.edi: 0 registers.eax: 4421182 registers.ebp: 0 registers.edx: 0 registers.ebx: 2130567168 registers.esi: 0 registers.ecx: 0 thread_handle: 0x000003bc process_identifier: 6472	1	0	0

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

Time & API	Arguments	Status	Return	Repeated
Process injection	Process 8024 resumed a thread in remote process 6472
NtResumeThread July 1, 2021, 6:39 a.m.	thread_handle: 0x000003bc suspend_count: 1 process_identifier: 6472	1	0	0

Executed a process and injected code into it, probably while unpacking (26 events)

Time & API	Arguments	Status	Return
NtResumeThread July 1, 2021, 6:38 a.m.	thread_handle: 0x000000dc suspend_count: 1 process_identifier: 8024	1	0
NtResumeThread July 1, 2021, 6:38 a.m.	thread_handle: 0x00000150 suspend_count: 1 process_identifier: 8024	1	0
NtResumeThread July 1, 2021, 6:38 a.m.	thread_handle: 0x00000198 suspend_count: 1 process_identifier: 8024	1	0
NtResumeThread July 1, 2021, 6:38 a.m.	thread_handle: 0x00000284 suspend_count: 1 process_identifier: 8024	1	0
NtResumeThread July 1, 2021, 6:39 a.m.	thread_handle: 0x000002e8 suspend_count: 1 process_identifier: 8024	1	0
CreateProcessInternalW July 1, 2021, 6:39 a.m.	thread_identifier: 6200 thread_handle: 0x000003f4 process_identifier: 8104 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\WnbDmZeThDTfV" /XML "C:\Users\test22\AppData\Local\Temp\tmpC2C7.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: 0x000003fc	1	1
CreateProcessInternalW July 1, 2021, 6:39 a.m.	thread_identifier: 4672 thread_handle: 0x000003bc process_identifier: 6472 current_directory: filepath: C:\Users\test22\AppData\Local\Temp\mb.exe track: 1 command_line: filepath_r: C:\Users\test22\AppData\Local\Temp\mb.exe stack_pivoted: 0 creation_flags: 134217732 (CREATE_NO_WINDOW\|CREATE_SUSPENDED) inherit_handles: 0 process_handle: 0x00000410	1	1
NtGetContextThread July 1, 2021, 6:39 a.m.	thread_handle: 0x000003bc	1	0
NtAllocateVirtualMemory July 1, 2021, 6:39 a.m.	process_identifier: 6472 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: 0x00000410	1	0
WriteProcessMemory July 1, 2021, 6:39 a.m.	buffer: MZÿÿ¸@º´ Í!¸LÍ!This program cannot be run in DOS mode. $PELq`àX>v @ À@äuWX H.textDV X `.rsrcXZ@@.reloc `@B base_address: 0x00400000 process_identifier: 6472 process_handle: 0x00000410	1	1
WriteProcessMemory July 1, 2021, 6:39 a.m.	buffer: base_address: 0x00402000 process_identifier: 6472 process_handle: 0x00000410	1	1
WriteProcessMemory July 1, 2021, 6:39 a.m.	buffer: 8Ph ÄhêÄ4VS_VERSION_INFO½ïþ?DVarFileInfo$Translation°$StringFileInfo000004b0,FileDescription 0FileVersion0.0.0.0x,InternalNameXGPWdGutkdNwhwzxXFILaBvjYzQEPLjNtGbCFpX.exe(LegalCopyright ,OriginalFilenameXGPWdGutkdNwhwzxXFILaBvjYzQEPLjNtGbCFpX.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: 6472 process_handle: 0x00000410	1	1
WriteProcessMemory July 1, 2021, 6:39 a.m.	buffer: p@6 base_address: 0x0043a000 process_identifier: 6472 process_handle: 0x00000410	1	1
WriteProcessMemory July 1, 2021, 6:39 a.m.	buffer: @ base_address: 0x7efde008 process_identifier: 6472 process_handle: 0x00000410	1	1
NtSetContextThread July 1, 2021, 6:39 a.m.	registers.eip: 0 registers.esp: 0 registers.edi: 0 registers.eax: 4421182 registers.ebp: 0 registers.edx: 0 registers.ebx: 2130567168 registers.esi: 0 registers.ecx: 0 thread_handle: 0x000003bc process_identifier: 6472	1	0
NtResumeThread July 1, 2021, 6:39 a.m.	thread_handle: 0x000003bc suspend_count: 1 process_identifier: 6472	1	0
NtResumeThread July 1, 2021, 6:39 a.m.	thread_handle: 0x000000dc suspend_count: 1 process_identifier: 6472	1	0
NtResumeThread July 1, 2021, 6:39 a.m.	thread_handle: 0x00000154 suspend_count: 1 process_identifier: 6472	1	0
NtResumeThread July 1, 2021, 6:39 a.m.	thread_handle: 0x00000198 suspend_count: 1 process_identifier: 6472	1	0
NtResumeThread July 1, 2021, 6:39 a.m.	thread_handle: 0x00000314 suspend_count: 1 process_identifier: 6472	1	0
NtResumeThread July 1, 2021, 6:39 a.m.	thread_handle: 0x00000334 suspend_count: 1 process_identifier: 6472	1	0
NtResumeThread July 1, 2021, 6:39 a.m.	thread_handle: 0x00000398 suspend_count: 1 process_identifier: 6472	1	0
NtResumeThread July 1, 2021, 6:39 a.m.	thread_handle: 0x00000410 suspend_count: 1 process_identifier: 6472	1	0
NtResumeThread July 1, 2021, 6:40 a.m.	thread_handle: 0x00000354 suspend_count: 1 process_identifier: 6472	1	0
NtResumeThread July 1, 2021, 6:40 a.m.	thread_handle: 0x00000404 suspend_count: 1 process_identifier: 6472	1	0
NtResumeThread July 1, 2021, 6:40 a.m.	thread_handle: 0x00000404 suspend_count: 1 process_identifier: 6472	1	0

mb.exe

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