Behavioral task
behavioral1
Sample
8b337cc82a848e91ac982b89135539d60e2072231a282458a327085ba361bf17.exe
Resource
win7-20230824-en
Behavioral task
behavioral2
Sample
8b337cc82a848e91ac982b89135539d60e2072231a282458a327085ba361bf17.exe
Resource
win10v2004-20230703-en
General
-
Target
8b337cc82a848e91ac982b89135539d60e2072231a282458a327085ba361bf17
-
Size
432KB
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MD5
a02f54ecb2b820693a64ed8f8a517c48
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SHA1
f3ebe1a14cf513185f20af2a4bdc2b621be5e202
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SHA256
8b337cc82a848e91ac982b89135539d60e2072231a282458a327085ba361bf17
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SHA512
adf2ca640e44779bc89c32948697bbb6af63b293fc9d1182963e981c4d69fafd2d1813264c40089df6c250b0ff3f73f923c57de08bf0d91d1475595b33407943
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SSDEEP
12288:riVaJGrqXH6XqQWB8GdV3ytzFVVqHD+sBgEIuWz6:rLGKnQzzFVVo
Malware Config
Extracted
cobaltstrike
http://64.69.40.189:8880/MKKz
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user_agent
User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Trident/5.0; FunWebProducts; IE0006_ver1;EN_GB)
Signatures
-
Cobaltstrike family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 8b337cc82a848e91ac982b89135539d60e2072231a282458a327085ba361bf17
Files
-
8b337cc82a848e91ac982b89135539d60e2072231a282458a327085ba361bf17.exe windows x86
769311c3559015db48141fef5c374e1f
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
GetCurrentThreadId
IsDebuggerPresent
RaiseException
MultiByteToWideChar
WideCharToMultiByte
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetSystemTimeAsFileTime
InitializeSListHead
GetStartupInfoW
GetModuleHandleW
GetLastError
HeapAlloc
HeapFree
GetProcessHeap
VirtualQuery
FreeLibrary
GetProcAddress
InterlockedPushEntrySList
InterlockedFlushSList
GetModuleFileNameW
LoadLibraryExW
RtlUnwind
SetLastError
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
EncodePointer
GetStdHandle
WriteFile
ExitProcess
GetModuleHandleExW
GetCommandLineA
GetCommandLineW
GetCurrentThread
OutputDebugStringW
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableW
SetStdHandle
GetFileType
GetStringTypeW
GetLocaleInfoW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
GetDateFormatW
GetTimeFormatW
CompareStringW
LCMapStringW
SetConsoleCtrlHandler
GetFileSizeEx
SetFilePointerEx
HeapSize
HeapReAlloc
FlushFileBuffers
GetConsoleOutputCP
GetConsoleMode
ReadFile
ReadConsoleW
DecodePointer
CloseHandle
CreateFileW
WriteConsoleW
Sections
.textbss Size: - Virtual size: 159KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.text Size: 360KB - Virtual size: 360KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 50KB - Virtual size: 49KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 9KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 3KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.msvcjmc Size: 512B - Virtual size: 310B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.00cfg Size: 512B - Virtual size: 265B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 11KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ