dcrat | StablePolaria[.]zip

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General

Target

StablePolaria.zip
Size

15.1MB
MD5

e3dd9f57df59adbad3fa267be5d2805a
SHA1

afe07732c1d31ab25dc5df21a3bad194a141826f
SHA256

369fee29d5d28b92e18c413371a74421a66ae2df72ffd1931826a2f5965b5880
SHA512

afd9bfa3069492dfc9017163dcb9c30bbb7537b4235a1bbc82ba61321682e2b342f0c60583ae613ec98423677484fec3e374abfd5a6c1763ad7debecb97ee85c
SSDEEP

24576:i2G/nvxW3WY3h0KomE5c7JtTE/TWsO8MxL1ccccccccccccccccccccccccccccV:ibA3x3GKCuP3AMN

Score

10^/10

rat dcrat

Malware Config

Signatures

DCRat payload 2 IoCs

Detects payload of DCRat, commonly dropped by NSIS installers.

rat

resource	yara_rule
sample	dcrat
static1/unpack001/StablePolaria/PolariaClientStable.exe	dcrat

Dcrat family
dcrat

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
unpack001/StablePolaria/PolariaClientStable.exe

Files

StablePolaria.zip
.zip
StablePolaria/Bin.tx
StablePolaria/PolariaClientStable.exe
.exe windows:5 windows x86 arch:x86

fcf1390e9ce472c7270447fc5c61a0c1

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

PDB Paths

D:\Projects\WinRAR\sfx\build\sfxrar32\Release\sfxrar.pdb

Imports

kernel32

GetLastError
SetLastError
FormatMessageW
GetCurrentProcess
DeviceIoControl
SetFileTime
CloseHandle
CreateDirectoryW
RemoveDirectoryW
CreateFileW
DeleteFileW
CreateHardLinkW
GetShortPathNameW
GetLongPathNameW
MoveFileW
GetFileType
GetStdHandle
WriteFile
ReadFile
FlushFileBuffers
SetEndOfFile
SetFilePointer
SetFileAttributesW
GetFileAttributesW
FindClose
FindFirstFileW
FindNextFileW
GetVersionExW
GetCurrentDirectoryW
GetFullPathNameW
FoldStringW
GetModuleFileNameW
GetModuleHandleW
FindResourceW
FreeLibrary
GetProcAddress
GetCurrentProcessId
ExitProcess
SetThreadExecutionState
Sleep
LoadLibraryW
GetSystemDirectoryW
CompareStringW
AllocConsole
FreeConsole
AttachConsole
WriteConsoleW
GetProcessAffinityMask
CreateThread
SetThreadPriority
InitializeCriticalSection
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
SetEvent
ResetEvent
ReleaseSemaphore
WaitForSingleObject
CreateEventW
CreateSemaphoreW
GetSystemTime
SystemTimeToTzSpecificLocalTime
TzSpecificLocalTimeToSystemTime
SystemTimeToFileTime
FileTimeToLocalFileTime
LocalFileTimeToFileTime
FileTimeToSystemTime
GetCPInfo
IsDBCSLeadByte
MultiByteToWideChar
WideCharToMultiByte
GlobalAlloc
LockResource
GlobalLock
GlobalUnlock
GlobalFree
LoadResource
SizeofResource
SetCurrentDirectoryW
GetExitCodeProcess
GetLocalTime
GetTickCount
MapViewOfFile
UnmapViewOfFile
CreateFileMappingW
OpenFileMappingW
GetCommandLineW
SetEnvironmentVariableW
ExpandEnvironmentStringsW
GetTempPathW
MoveFileExW
GetLocaleInfoW
GetTimeFormatW
GetDateFormatW
GetNumberFormatW
SetFilePointerEx
GetConsoleMode
GetConsoleCP
HeapSize
SetStdHandle
GetProcessHeap
RaiseException
GetSystemInfo
VirtualProtect
VirtualQuery
LoadLibraryExA
IsProcessorFeaturePresent
IsDebuggerPresent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetStartupInfoW
QueryPerformanceCounter
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
TerminateProcess
RtlUnwind
EncodePointer
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
LoadLibraryExW
QueryPerformanceFrequency
GetModuleHandleExW
GetModuleFileNameA
GetACP
HeapFree
HeapAlloc
HeapReAlloc
GetStringTypeW
LCMapStringW
FindFirstFileExA
FindNextFileA
IsValidCodePage
GetOEMCP
GetCommandLineA
GetEnvironmentStringsW
FreeEnvironmentStringsW
DecodePointer

gdiplus

GdiplusShutdown
GdiplusStartup
GdipCreateHBITMAPFromBitmap
GdipCreateBitmapFromStreamICM
GdipCreateBitmapFromStream
GdipDisposeImage
GdipCloneImage
GdipFree
GdipAlloc

Sections

.text
Size: 196KB - Virtual size: 196KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 42KB - Virtual size: 41KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 4KB - Virtual size: 141KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.didat
Size: 512B - Virtual size: 392B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 167KB - Virtual size: 166KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 9KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
StablePolaria/binrc/StableModeFix.txt
StablePolaria/binrc/jrkk.bin
StablePolaria/dllss/BetaMode.dll
StablePolaria/dllss/Data.dll
StablePolaria/dllss/PolariaWindows.dll
StablePolaria/out/Log.txt

Sharing

General

Malware Config

Signatures

Files

fcf1390e9ce472c7270447fc5c61a0c1

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

gdiplus

Sections

.text Size: 196KB - Virtual size: 196KB

.rdata Size: 42KB - Virtual size: 41KB

.data Size: 4KB - Virtual size: 141KB

.didat Size: 512B - Virtual size: 392B

.rsrc Size: 167KB - Virtual size: 166KB

.reloc Size: 9KB - Virtual size: 8KB

.text
Size: 196KB - Virtual size: 196KB

.rdata
Size: 42KB - Virtual size: 41KB

.data
Size: 4KB - Virtual size: 141KB

.didat
Size: 512B - Virtual size: 392B

.rsrc
Size: 167KB - Virtual size: 166KB

.reloc
Size: 9KB - Virtual size: 8KB