Behavioral task
behavioral1
Sample
fcf2d4eec8fbdbb8b2fbd7cd49eadfdd71eeafbdb63c4608e036e709b6163218.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
fcf2d4eec8fbdbb8b2fbd7cd49eadfdd71eeafbdb63c4608e036e709b6163218.exe
Resource
win10v2004-20240802-en
General
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Target
fcf2d4eec8fbdbb8b2fbd7cd49eadfdd71eeafbdb63c4608e036e709b6163218
-
Size
108KB
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MD5
df35cd7654decc379f6aecd2fb825bcf
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SHA1
66ebaf87e1092238f080873d89c332c2105dcb40
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SHA256
fcf2d4eec8fbdbb8b2fbd7cd49eadfdd71eeafbdb63c4608e036e709b6163218
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SHA512
e5157d8408415f335055c34ae8a3fb4c7e7b22287b6eef764f2c515117a23e3329281af4c0ddc9337a4298b2af2fee97fec95b85b333e323c0c59022c89ce15e
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SSDEEP
1536:zAX+BuezwI3vEyKs6vb+clSzkv0kWqZZrqDxcK8sWwd49dla9Y2+h0:kOB/c3b+CKkv0pqZZrAx7boYq2+h0
Malware Config
Extracted
cobaltstrike
http://103.234.72.186:22226/jquery-3.3.2.slim.min.js
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user_agent
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 Accept-Language: en-US,en;q=0.5 Referer: http://code.jquery.com/ Accept-Encoding: gzip, deflate User-Agent: Mozilla/5.0 (Windows NT 6.3; Trident/7.0; rv:11.0) like Gecko
Signatures
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Cobaltstrike family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource fcf2d4eec8fbdbb8b2fbd7cd49eadfdd71eeafbdb63c4608e036e709b6163218
Files
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fcf2d4eec8fbdbb8b2fbd7cd49eadfdd71eeafbdb63c4608e036e709b6163218.exe windows:6 windows x64 arch:x64
34f338b13147b7322a013634e4b210a4
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
CloseHandle
WaitForSingleObject
CreateThread
VirtualAlloc
WriteConsoleW
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
IsDebuggerPresent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetStartupInfoW
IsProcessorFeaturePresent
GetModuleHandleW
RtlUnwindEx
GetLastError
SetLastError
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
GetProcAddress
LoadLibraryExW
EncodePointer
RaiseException
RtlPcToFileHeader
GetStdHandle
WriteFile
GetModuleFileNameW
GetCurrentProcess
ExitProcess
TerminateProcess
GetModuleHandleExW
GetCommandLineA
GetCommandLineW
HeapAlloc
HeapFree
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
MultiByteToWideChar
WideCharToMultiByte
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableW
SetStdHandle
GetFileType
GetStringTypeW
FlsAlloc
FlsGetValue
FlsSetValue
FlsFree
CompareStringW
LCMapStringW
GetProcessHeap
HeapSize
HeapReAlloc
FlushFileBuffers
GetConsoleOutputCP
GetConsoleMode
SetFilePointerEx
CreateFileW
Sections
.text Size: 59KB - Virtual size: 58KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 38KB - Virtual size: 37KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 4KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 2KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ