Behavioral task
behavioral1
Sample
a4d396798c17a01d44562b94ed335697187e280b3fa09b36c0186c63311ef7bc.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
a4d396798c17a01d44562b94ed335697187e280b3fa09b36c0186c63311ef7bc.exe
Resource
win10v2004-20240221-en
General
-
Target
a4d396798c17a01d44562b94ed335697187e280b3fa09b36c0186c63311ef7bc
-
Size
1.3MB
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MD5
6d1b0b245568be91bfc80b292875c8f8
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SHA1
ab25901a6eb93dbe2b8b1ceee826fcd5b188d4ca
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SHA256
a4d396798c17a01d44562b94ed335697187e280b3fa09b36c0186c63311ef7bc
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SHA512
01f7969eb09af0e632ccf3b99aa68a6fc1a49f44f2b1f1cf5753458d91282d212d21b9d2aeede1af8935184b67aecb4eebe64e50914825c9d4997d844b02c520
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SSDEEP
24576:0/AxGXeC21+NZIQWyt6AoVg7yB0tYftEPcTRVDqnoGRsly:3ieCbfxtKnRVDZGRs
Malware Config
Extracted
cobaltstrike
http://192.168.137.3:80/frCB
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user_agent
User-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; .NET4.0C; .NET4.0E; .NET CLR 2.0.50727)
Signatures
-
Cobaltstrike family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource a4d396798c17a01d44562b94ed335697187e280b3fa09b36c0186c63311ef7bc
Files
-
a4d396798c17a01d44562b94ed335697187e280b3fa09b36c0186c63311ef7bc.exe windows:6 windows x64 arch:x64
4f2f006e2ecf7172ad368f8289dc96c1
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
Imports
kernel32
WriteFile
WriteConsoleW
WerSetFlags
WerGetFlags
WaitForMultipleObjects
WaitForSingleObject
VirtualQuery
VirtualFree
VirtualAlloc
TlsAlloc
SwitchToThread
SuspendThread
SetWaitableTimer
SetUnhandledExceptionFilter
SetProcessPriorityBoost
SetEvent
SetErrorMode
SetConsoleCtrlHandler
ResumeThread
RaiseFailFastException
PostQueuedCompletionStatus
LoadLibraryW
LoadLibraryExW
SetThreadContext
GetThreadContext
GetSystemInfo
GetSystemDirectoryA
GetStdHandle
GetQueuedCompletionStatusEx
GetProcessAffinityMask
GetProcAddress
GetErrorMode
GetEnvironmentStringsW
GetCurrentThreadId
GetConsoleMode
FreeEnvironmentStringsW
ExitProcess
DuplicateHandle
CreateWaitableTimerExW
CreateThread
CreateIoCompletionPort
CreateFileA
CreateEventA
CloseHandle
AddVectoredExceptionHandler
Sections
.text Size: 385KB - Virtual size: 384KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 474KB - Virtual size: 474KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 27KB - Virtual size: 375KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 12KB - Virtual size: 11KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.xdata Size: 512B - Virtual size: 144B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
/4 Size: 512B - Virtual size: 297B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/19 Size: 90KB - Virtual size: 90KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/32 Size: 18KB - Virtual size: 18KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/46 Size: 512B - Virtual size: 34B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/65 Size: 181KB - Virtual size: 180KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/78 Size: 80KB - Virtual size: 79KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/90 Size: 32KB - Virtual size: 31KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
.idata Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 7KB - Virtual size: 6KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
.symtab Size: 62KB - Virtual size: 62KB
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ