Static task
static1
Behavioral task
behavioral1
Sample
repak.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
repak.exe
Resource
win10v2004-20230915-en
General
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Target
repak.exe
-
Size
3.6MB
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MD5
580c71498c6bb222cfa010148b821221
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SHA1
b8f88ecc928ebe6d004d7954d0a66c19ec085866
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SHA256
0938d7a30987410478d6a52ef912eb498e2097c917b225b6e88f2690690ffbc3
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SHA512
5e4973a5c678366b887775d656bdbe12a3c7c8430a4a1f10e4479d16eb8348979982e083e2b6e8f7178497299f17bc80d62e79a6826b52b52587f7f7e92d2e8a
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SSDEEP
49152:JTSRmCif8Y0y0Vz9OGj28Wj2CHNGR5m4tfyTRO9kcPi8mI346Nspbtjl1wEIU6i/:q7Bzt4NN0KI34Hq+rDeh
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource repak.exe
Files
-
repak.exe.exe windows:6 windows x64
4134ecacceae6a25f5aca0df4d3c9393
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
advapi32
SystemFunction036
kernel32
CloseHandle
AcquireSRWLockExclusive
ReleaseSRWLockExclusive
GetProcAddress
GetLastError
LoadLibraryExW
RtlVirtualUnwind
FreeLibrary
GetModuleHandleExW
GetModuleFileNameW
SetThreadErrorMode
ReleaseSRWLockShared
AcquireSRWLockShared
GetStdHandle
GetConsoleMode
SetConsoleMode
GetConsoleScreenBufferInfo
SetConsoleCursorPosition
FillConsoleOutputCharacterA
FillConsoleOutputAttribute
GetFileInformationByHandleEx
TryAcquireSRWLockExclusive
SleepConditionVariableSRW
GetSystemInfo
SetConsoleTextAttribute
FreeEnvironmentStringsW
ReleaseMutex
FindClose
AddVectoredExceptionHandler
SetThreadStackGuarantee
SwitchToThread
Sleep
GetCurrentProcess
GetCurrentThread
RtlCaptureContext
RtlLookupFunctionEntry
SetLastError
GetCurrentDirectoryW
GetEnvironmentStringsW
GetEnvironmentVariableW
SetEnvironmentVariableW
GetCommandLineW
FlushFileBuffers
SetFilePointerEx
GetCurrentProcessId
SetHandleInformation
WaitForSingleObject
TerminateProcess
WakeAllConditionVariable
WakeConditionVariable
QueryPerformanceCounter
QueryPerformanceFrequency
HeapAlloc
GetProcessHeap
HeapFree
HeapReAlloc
WaitForSingleObjectEx
LoadLibraryA
CreateMutexA
GetModuleHandleA
FindNextFileW
CreateFileW
GetFileInformationByHandle
CreateDirectoryW
FindFirstFileW
GetFileType
GetModuleHandleW
FormatMessageW
ExitProcess
GetFullPathNameW
MultiByteToWideChar
WriteConsoleW
WideCharToMultiByte
CreateThread
TlsGetValue
TlsSetValue
GetSystemTimeAsFileTime
HeapSize
GetStringTypeW
SetStdHandle
GetCPInfo
GetOEMCP
GetACP
IsValidCodePage
FindFirstFileExW
GetConsoleOutputCP
LCMapStringW
CompareStringW
FlsFree
FlsSetValue
FlsGetValue
FlsAlloc
GetCommandLineA
WriteFile
TlsFree
TlsAlloc
InitializeCriticalSectionAndSpinCount
DeleteCriticalSection
LeaveCriticalSection
EnterCriticalSection
EncodePointer
RaiseException
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsProcessorFeaturePresent
GetCurrentThreadId
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
RtlUnwindEx
RtlPcToFileHeader
ws2_32
select
getsockname
bind
getaddrinfo
WSASocketW
connect
getpeername
ioctlsocket
accept
send
WSASend
WSARecv
recv
getsockopt
setsockopt
WSAGetLastError
listen
freeaddrinfo
WSACleanup
WSAStartup
closesocket
ntdll
RtlNtStatusToDosError
NtWriteFile
NtReadFile
bcrypt
BCryptGenRandom
Sections
.text Size: 2.4MB - Virtual size: 2.4MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 1.0MB - Virtual size: 1.0MB
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: 91KB - Virtual size: 90KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
_RDATA Size: 512B - Virtual size: 244B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 12KB - Virtual size: 11KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ