Behavioral task
behavioral1
Sample
39eee597d537b057f0dc296e4feb8a541823c834e48ffdb9088e2217b912435e.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
39eee597d537b057f0dc296e4feb8a541823c834e48ffdb9088e2217b912435e.exe
Resource
win10v2004-20230703-en
General
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Target
39eee597d537b057f0dc296e4feb8a541823c834e48ffdb9088e2217b912435e
-
Size
224KB
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MD5
dfc8a7aebde191352ec17668e7ec8ab2
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SHA1
f51ffc8078a555d44f2fa3feb1d0c972f2307614
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SHA256
39eee597d537b057f0dc296e4feb8a541823c834e48ffdb9088e2217b912435e
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SHA512
aab3fab04edeb0d2e0b27a8dd297e9ac59265468f1a0140cf5c025d048bdd84c9b64c69da985ea3143056eca3d8ea43f8f8850e83ab2398054aa2fab505c814a
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SSDEEP
6144:2WxY44B/THZN1SpbGrL/XGKj2cz3ohsGrK:6h/DZmpCnXG2zoE
Malware Config
Extracted
cobaltstrike
http://192.168.238.129:80/DiKe
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user_agent
User-Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; InfoPath.2; .NET4.0C; .NET4.0E)
Signatures
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Cobaltstrike family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 39eee597d537b057f0dc296e4feb8a541823c834e48ffdb9088e2217b912435e
Files
-
39eee597d537b057f0dc296e4feb8a541823c834e48ffdb9088e2217b912435e.exe windows x64
3ef00d9f7073f66f57bb929dc032a08e
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
VirtualFree
VirtualAlloc
CreateFileW
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
GetModuleHandleW
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSectionEx
DeleteCriticalSection
EncodePointer
DecodePointer
MultiByteToWideChar
WideCharToMultiByte
LCMapStringEx
GetStringTypeW
GetCPInfo
RtlUnwindEx
RtlPcToFileHeader
RaiseException
GetLastError
SetLastError
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
GetProcAddress
LoadLibraryExW
RtlUnwind
GetStdHandle
WriteFile
GetModuleFileNameW
ExitProcess
GetModuleHandleExW
GetCommandLineA
GetCommandLineW
HeapFree
HeapAlloc
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetACP
GetOEMCP
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableW
SetStdHandle
GetFileType
GetLocaleInfoW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
FlsAlloc
FlsGetValue
FlsSetValue
FlsFree
CompareStringW
LCMapStringW
GetProcessHeap
CloseHandle
FlushFileBuffers
GetConsoleOutputCP
GetConsoleMode
ReadFile
GetFileSizeEx
SetFilePointerEx
ReadConsoleW
HeapReAlloc
HeapSize
WriteConsoleW
Sections
.text Size: 136KB - Virtual size: 135KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 70KB - Virtual size: 70KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 5KB - Virtual size: 11KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 8KB - Virtual size: 7KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
_RDATA Size: 512B - Virtual size: 348B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 512B - Virtual size: 480B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 2KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ