Behavioral task
behavioral1
Sample
4579fa23fe26bc0cbe62c3c93d3513715782cf75c78121f303d129816e61a2c9.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
4579fa23fe26bc0cbe62c3c93d3513715782cf75c78121f303d129816e61a2c9.exe
Resource
win10v2004-20231215-en
General
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Target
4579fa23fe26bc0cbe62c3c93d3513715782cf75c78121f303d129816e61a2c9
-
Size
389KB
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MD5
0bfafccd08352b4b826f24dcce95c156
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SHA1
4f937dafa5e99634906065cbe2f3da1a1be7b386
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SHA256
4579fa23fe26bc0cbe62c3c93d3513715782cf75c78121f303d129816e61a2c9
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SHA512
2e0c74c9ad33e3e3aab0503e4127310e12aa370948eea141f2ef791c0c9f8266515164c7df586159a24c64d12b29839425905704aa15925b6220ea889b596171
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SSDEEP
6144:yC01rCQorwpRUXtGq4EyJiXh8DjhH5RIOdLbQ8eGkMvhWPN:yC01rCgq45JiXh8DjF/3kMv
Malware Config
Extracted
cobaltstrike
http://123.57.3.221:6813/rKWI
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user_agent
User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Win64; x64; Trident/5.0; MANM; MANM)
Signatures
-
Cobaltstrike family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 4579fa23fe26bc0cbe62c3c93d3513715782cf75c78121f303d129816e61a2c9
Files
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4579fa23fe26bc0cbe62c3c93d3513715782cf75c78121f303d129816e61a2c9.exe windows:6 windows x64 arch:x64
5918c7adfa24ee27069d08a9e5d460e9
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
VirtualProtect
VirtualAlloc
CreateFileW
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
GetModuleHandleW
RtlUnwindEx
GetLastError
SetLastError
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
GetProcAddress
LoadLibraryExW
EncodePointer
RaiseException
RtlPcToFileHeader
GetStdHandle
WriteFile
GetModuleFileNameW
ExitProcess
GetModuleHandleExW
GetCommandLineA
GetCommandLineW
HeapAlloc
HeapSize
HeapValidate
GetSystemInfo
GetFileType
OutputDebugStringW
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
MultiByteToWideChar
WideCharToMultiByte
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableW
SetStdHandle
GetStringTypeW
FlsAlloc
FlsGetValue
FlsSetValue
FlsFree
CompareStringW
LCMapStringW
GetProcessHeap
HeapFree
HeapReAlloc
HeapQueryInformation
WriteConsoleW
SetFilePointerEx
GetConsoleMode
FlushFileBuffers
GetConsoleOutputCP
CloseHandle
Sections
.text Size: 285KB - Virtual size: 284KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 83KB - Virtual size: 83KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 3KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 14KB - Virtual size: 13KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
_RDATA Size: 512B - Virtual size: 500B
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: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ