Summary | ZeroBOX

Category	Machine	Started	Completed
FILE	s1_win7_x6401	July 23, 2021, 9:27 a.m.	July 23, 2021, 9:54 a.m.

Size	828.0KB
Type	PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5	`dc6a5d1b3accb015fe2b6f91176c57c5`
SHA256	`60f621808e2a3de0ba3b655874bf321da0505b147dea66aa340c8a2a126f9e23`
CRC32	`4F1893BC`
ssdeep	`12288:hDcF7S5M/+4qvZvPqePa+MMVesh3X8ERFM43i3YOm2jk2oxtSyaUVKnp:Kc5U+lwetM+esZX8E/7eYOljBoxrahp`
Yara	Win32_Trojan_PWS_Net_1_Zero - Win32 Trojan PWS .NET Azorult IsPE32 - (no description) Generic_Malware_Zero - Generic Malware Is_DotNET_EXE - (no description) PE_Header_Zero - PE File Signature Admin_Tool_IN_Zero - Admin Tool Sysinternals Win_Backdoor_AsyncRAT_Zero - Win Backdoor AsyncRAT

usermasabikx.exe "C:\Users\test22\AppData\Local\Temp\usermasabikx.exe"
2548
- usermasabikx.exe "C:\Users\test22\AppData\Local\Temp\usermasabikx.exe"
  2492

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 (4 events)

Time & API	Arguments	Status	Return
GetComputerNameW July 23, 2021, 9:28 a.m.	computer_name: TEST22-PC	1	1
GetComputerNameW July 23, 2021, 9:28 a.m.	computer_name: TEST22-PC	1	1
GetComputerNameW July 23, 2021, 9:28 a.m.	computer_name: TEST22-PC	1	1
GetComputerNameW July 23, 2021, 9:28 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 23, 2021, 9:27 a.m.			0	0
IsDebuggerPresent July 23, 2021, 9:27 a.m.			0	0
IsDebuggerPresent July 23, 2021, 9:27 a.m.			0	0
IsDebuggerPresent July 23, 2021, 9:27 a.m.			0	0

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

Time & API	Arguments	Status	Return
CryptExportKey July 23, 2021, 9:27 a.m.	buffer: <INVALID POINTER> crypto_handle: 0x00bd18a0 flags: 0 crypto_export_handle: 0x00000000 blob_type: 6	1	1
CryptExportKey July 23, 2021, 9:27 a.m.	buffer: <INVALID POINTER> crypto_handle: 0x00bd13a0 flags: 0 crypto_export_handle: 0x00000000 blob_type: 6	1	1
CryptExportKey July 23, 2021, 9:27 a.m.	buffer: <INVALID POINTER> crypto_handle: 0x00bd13a0 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 23, 2021, 9:27 a.m.		1	1	0

One or more processes crashed (1 event)

Time & API	Arguments	Status	Return	Repeated
__exception__ July 23, 2021, 9:28 a.m.	stacktrace: 0xa91790 0xa90fb3 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: 0xa91c03 registers.esp: 1568416 registers.edi: 1568440 registers.eax: 0 registers.ebp: 1568452 registers.edx: 195 registers.ebx: 1568708 registers.esi: 37006588 registers.ecx: 0	1	0	0

Time & API

Arguments

Status

Return

Repeated

__exception__

July 23, 2021, 9:28 a.m.

stacktrace:

0xa91790
0xa90fb3
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: 0xa91c03
registers.esp: 1568416
registers.edi: 1568440
registers.eax: 0
registers.ebp: 1568452
registers.edx: 195
registers.ebx: 1568708
registers.esi: 37006588
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 73 events)

Time & API	Arguments	Status
NtAllocateVirtualMemory July 23, 2021, 9:27 a.m.	process_identifier: 2548 region_size: 1179648 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00690000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 23, 2021, 9:27 a.m.	process_identifier: 2548 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00770000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtProtectVirtualMemory July 23, 2021, 9:27 a.m.	process_identifier: 2548 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 July 23, 2021, 9:27 a.m.	process_identifier: 2548 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 July 23, 2021, 9:27 a.m.	process_identifier: 2548 region_size: 917504 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00690000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 23, 2021, 9:27 a.m.	process_identifier: 2548 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00730000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 23, 2021, 9:27 a.m.	process_identifier: 2548 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x002a2000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 23, 2021, 9:27 a.m.	process_identifier: 2548 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x002e5000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 23, 2021, 9:27 a.m.	process_identifier: 2548 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x002eb000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 23, 2021, 9:27 a.m.	process_identifier: 2548 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x002e7000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 23, 2021, 9:27 a.m.	process_identifier: 2548 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x002bc000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 23, 2021, 9:27 a.m.	process_identifier: 2548 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x006e0000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 23, 2021, 9:27 a.m.	process_identifier: 2548 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 23, 2021, 9:27 a.m.	process_identifier: 2548 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 23, 2021, 9:27 a.m.	process_identifier: 2548 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 23, 2021, 9:27 a.m.	process_identifier: 2548 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 23, 2021, 9:27 a.m.	process_identifier: 2548 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 23, 2021, 9:27 a.m.	process_identifier: 2548 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 23, 2021, 9:27 a.m.	process_identifier: 2548 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 July 23, 2021, 9:27 a.m.	process_identifier: 2548 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x002da000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 23, 2021, 9:27 a.m.	process_identifier: 2548 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x002d7000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 23, 2021, 9:27 a.m.	process_identifier: 2548 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 July 23, 2021, 9:27 a.m.	process_identifier: 2548 region_size: 12288 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x006e1000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtProtectVirtualMemory July 23, 2021, 9:27 a.m.	process_identifier: 2548 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x71f72000 process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 23, 2021, 9:27 a.m.	process_identifier: 2548 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x002d6000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 23, 2021, 9:27 a.m.	process_identifier: 2548 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x006e4000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 23, 2021, 9:27 a.m.	process_identifier: 2548 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 July 23, 2021, 9:27 a.m.	process_identifier: 2548 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x006e5000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 23, 2021, 9:27 a.m.	process_identifier: 2548 region_size: 24576 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x006e6000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 23, 2021, 9:27 a.m.	process_identifier: 2548 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x006ec000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 23, 2021, 9:27 a.m.	process_identifier: 2548 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x002bd000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 23, 2021, 9:27 a.m.	process_identifier: 2548 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x002be000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 23, 2021, 9:27 a.m.	process_identifier: 2548 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x05650000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 23, 2021, 9:27 a.m.	process_identifier: 2548 region_size: 20480 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x05651000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 23, 2021, 9:27 a.m.	process_identifier: 2548 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x05656000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 23, 2021, 9:27 a.m.	process_identifier: 2548 region_size: 20480 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x05657000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 23, 2021, 9:27 a.m.	process_identifier: 2548 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0565c000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 23, 2021, 9:27 a.m.	process_identifier: 2548 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0565d000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 23, 2021, 9:27 a.m.	process_identifier: 2548 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0565e000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 23, 2021, 9:27 a.m.	process_identifier: 2548 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0565f000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 23, 2021, 9:27 a.m.	process_identifier: 2492 region_size: 1966080 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00b60000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 23, 2021, 9:27 a.m.	process_identifier: 2492 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00d00000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtProtectVirtualMemory July 23, 2021, 9:27 a.m.	process_identifier: 2492 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x720a1000 process_handle: 0xffffffff	1
NtProtectVirtualMemory July 23, 2021, 9:27 a.m.	process_identifier: 2492 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x720a2000 process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 23, 2021, 9:27 a.m.	process_identifier: 2492 region_size: 1441792 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x009a0000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 23, 2021, 9:27 a.m.	process_identifier: 2492 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00ac0000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 23, 2021, 9:27 a.m.	process_identifier: 2492 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 23, 2021, 9:27 a.m.	process_identifier: 2492 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00445000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 23, 2021, 9:27 a.m.	process_identifier: 2492 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0044b000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 23, 2021, 9:27 a.m.	process_identifier: 2492 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00447000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1

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

section

{u'size_of_data': u'0x000ce400', u'virtual_address': u'0x00002000', u'entropy': 7.427629778082424, u'name': u'.text', u'virtual_size': u'0x000ce3d8'}

entropy

7.42762977808

description

A section with a high entropy has been found

entropy

0.996978851964

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 23, 2021, 9:27 a.m.	system_name: privilege_name: SeDebugPrivilege	1	1	0

Yara rule detected in process memory (11 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	Checks if being debugged	rule	anti_dbg
description	Bypass DEP	rule	disable_dep
description	Affect hook table	rule	win_hook

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

Time & API	Arguments	Status	Return	Repeated
NtAllocateVirtualMemory July 23, 2021, 9:27 a.m.	process_identifier: 2492 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: 0x00000250	1	0	0

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

Time & API	Arguments	Status	Return	Repeated
NtQuerySystemInformation July 23, 2021, 9:28 a.m.	information_class: 8 (SystemProcessorPerformanceInformation)	1	0	0

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

description

usermasabikx.exe tried to sleep 8184628 seconds, actually delayed analysis time by 8184628 seconds

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

Time & API	Arguments	Status	Return
WriteProcessMemory July 23, 2021, 9:27 a.m.	buffer: MZÿÿ¸@º´ Í!¸LÍ!This program cannot be run in DOS mode. $PEL°-Î`àXw @ À@DwW0 H.text¤W X `.rsrc0Z@@.reloc `@B base_address: 0x00400000 process_identifier: 2492 process_handle: 0x00000250	1	1
WriteProcessMemory July 23, 2021, 9:27 a.m.	buffer: 8Ph @ê4VS_VERSION_INFO½ïþ?DVarFileInfo$Translation°üStringFileInfoØ000004b0,FileDescription 0FileVersion0.0.0.0d"InternalNamewIGnfZhNYszvPDNkGsBsCHOYGOlPz.exe(LegalCopyright l"OriginalFilenamewIGnfZhNYszvPDNkGsBsCHOYGOlPz.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: 2492 process_handle: 0x00000250	1	1
WriteProcessMemory July 23, 2021, 9:27 a.m.	buffer: p 7 base_address: 0x0043a000 process_identifier: 2492 process_handle: 0x00000250	1	1
WriteProcessMemory July 23, 2021, 9:27 a.m.	buffer: @ base_address: 0x7efde008 process_identifier: 2492 process_handle: 0x00000250	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 23, 2021, 9:27 a.m.	buffer: MZÿÿ¸@º´ Í!¸LÍ!This program cannot be run in DOS mode. $PEL°-Î`àXw @ À@DwW0 H.text¤W X `.rsrc0Z@@.reloc `@B base_address: 0x00400000 process_identifier: 2492 process_handle: 0x00000250	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 2548 called NtSetContextThread to modify thread in remote process 2492
NtSetContextThread July 23, 2021, 9:27 a.m.	registers.eip: 0 registers.esp: 0 registers.edi: 0 registers.eax: 4421534 registers.ebp: 0 registers.edx: 0 registers.ebx: 2130567168 registers.esi: 0 registers.ecx: 0 thread_handle: 0x00000240 process_identifier: 2492	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 2548 resumed a thread in remote process 2492
NtResumeThread July 23, 2021, 9:27 a.m.	thread_handle: 0x00000240 suspend_count: 1 process_identifier: 2492	1	0	0

File has been identified by 29 AntiVirus engines on VirusTotal as malicious (29 events)

Lionic	Trojan.MSIL.Taskun.4!c
Elastic	malicious (high confidence)
Malwarebytes	MachineLearning/Anomalous.95%
Alibaba	Trojan:Win32/Kryptik.ali2000016
Cyren	W32/MSIL_Agent.CAC.gen!Eldorado
Symantec	Trojan.Gen.2
ESET-NOD32	a variant of MSIL/Kryptik.ACBU
APEX	Malicious
Paloalto	generic.ml
Cynet	Malicious (score: 100)
Kaspersky	HEUR:Trojan.MSIL.Taskun.gen
BitDefender	Gen:Variant.MSILHeracles.22131
MicroWorld-eScan	Gen:Variant.MSILHeracles.22131
Ad-Aware	Gen:Variant.MSILHeracles.22131
McAfee-GW-Edition	BehavesLike.Win32.Fareit.cc
FireEye	Generic.mg.dc6a5d1b3accb015
Emsisoft	Trojan.Crypt (A)
GData	MSIL.Trojan.PSE.1ANT6PH
Microsoft	Trojan:Win32/AgentTesla!ml
McAfee	Artemis!DC6A5D1B3ACC
MAX	malware (ai score=100)
Cylance	Unsafe
Panda	Trj/GdSda.A
SentinelOne	Static AI - Malicious PE
MaxSecure	Trojan.Malware.300983.susgen
Fortinet	MSIL/Zmutzy.10!tr
AVG	Win32:RATX-gen [Trj]
Avast	Win32:RATX-gen [Trj]
Qihoo-360	HEUR/QVM03.0.C1BB.Malware.Gen

Executed a process and injected code into it, probably while unpacking (22 events)

Time & API	Arguments	Status	Return
NtResumeThread July 23, 2021, 9:27 a.m.	thread_handle: 0x000000dc suspend_count: 1 process_identifier: 2548	1	0
NtResumeThread July 23, 2021, 9:27 a.m.	thread_handle: 0x00000150 suspend_count: 1 process_identifier: 2548	1	0
NtResumeThread July 23, 2021, 9:27 a.m.	thread_handle: 0x0000018c suspend_count: 1 process_identifier: 2548	1	0
CreateProcessInternalW July 23, 2021, 9:27 a.m.	thread_identifier: 1068 thread_handle: 0x00000240 process_identifier: 2492 current_directory: filepath: C:\Users\test22\AppData\Local\Temp\usermasabikx.exe track: 1 command_line: filepath_r: C:\Users\test22\AppData\Local\Temp\usermasabikx.exe stack_pivoted: 0 creation_flags: 134217732 (CREATE_NO_WINDOW\|CREATE_SUSPENDED) inherit_handles: 0 process_handle: 0x00000250	1	1
NtGetContextThread July 23, 2021, 9:27 a.m.	thread_handle: 0x00000240	1	0
NtAllocateVirtualMemory July 23, 2021, 9:27 a.m.	process_identifier: 2492 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: 0x00000250	1	0
WriteProcessMemory July 23, 2021, 9:27 a.m.	buffer: MZÿÿ¸@º´ Í!¸LÍ!This program cannot be run in DOS mode. $PEL°-Î`àXw @ À@DwW0 H.text¤W X `.rsrc0Z@@.reloc `@B base_address: 0x00400000 process_identifier: 2492 process_handle: 0x00000250	1	1
WriteProcessMemory July 23, 2021, 9:27 a.m.	buffer: base_address: 0x00402000 process_identifier: 2492 process_handle: 0x00000250	1	1
WriteProcessMemory July 23, 2021, 9:27 a.m.	buffer: 8Ph @ê4VS_VERSION_INFO½ïþ?DVarFileInfo$Translation°üStringFileInfoØ000004b0,FileDescription 0FileVersion0.0.0.0d"InternalNamewIGnfZhNYszvPDNkGsBsCHOYGOlPz.exe(LegalCopyright l"OriginalFilenamewIGnfZhNYszvPDNkGsBsCHOYGOlPz.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: 2492 process_handle: 0x00000250	1	1
WriteProcessMemory July 23, 2021, 9:27 a.m.	buffer: p 7 base_address: 0x0043a000 process_identifier: 2492 process_handle: 0x00000250	1	1
WriteProcessMemory July 23, 2021, 9:27 a.m.	buffer: @ base_address: 0x7efde008 process_identifier: 2492 process_handle: 0x00000250	1	1
NtSetContextThread July 23, 2021, 9:27 a.m.	registers.eip: 0 registers.esp: 0 registers.edi: 0 registers.eax: 4421534 registers.ebp: 0 registers.edx: 0 registers.ebx: 2130567168 registers.esi: 0 registers.ecx: 0 thread_handle: 0x00000240 process_identifier: 2492	1	0
NtResumeThread July 23, 2021, 9:27 a.m.	thread_handle: 0x00000240 suspend_count: 1 process_identifier: 2492	1	0
NtResumeThread July 23, 2021, 9:27 a.m.	thread_handle: 0x000000dc suspend_count: 1 process_identifier: 2492	1	0
NtResumeThread July 23, 2021, 9:27 a.m.	thread_handle: 0x00000150 suspend_count: 1 process_identifier: 2492	1	0
NtResumeThread July 23, 2021, 9:27 a.m.	thread_handle: 0x00000198 suspend_count: 1 process_identifier: 2492	1	0
NtResumeThread July 23, 2021, 9:28 a.m.	thread_handle: 0x00000318 suspend_count: 1 process_identifier: 2492	1	0
NtResumeThread July 23, 2021, 9:28 a.m.	thread_handle: 0x00000338 suspend_count: 1 process_identifier: 2492	1	0
NtResumeThread July 23, 2021, 9:28 a.m.	thread_handle: 0x000003a0 suspend_count: 1 process_identifier: 2492	1	0
NtResumeThread July 23, 2021, 9:28 a.m.	thread_handle: 0x00000418 suspend_count: 1 process_identifier: 2492	1	0
NtResumeThread July 23, 2021, 9:28 a.m.	thread_handle: 0x00000350 suspend_count: 1 process_identifier: 2492	1	0
NtResumeThread July 23, 2021, 9:28 a.m.	thread_handle: 0x0000040c suspend_count: 1 process_identifier: 2492	1	0

usermasabikx.exe

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