stealc | bjbh[.]exe

General

Target
bjbh.exe
Size 779KB
Sample260926-w15prsyhnc
SHA256 89d0f591a743900b2b3922b63d223de7347f909c3ebfa4deb47b9ac5b073070c
MD5 6c392ad7dab7cbe9767d47dd77a79978
SHA1 17b460421af0bdd84583afddef557c1def1b6cbc
SHA512 b362de79204f3a9e1a8697678d419d868b7e1248781e032bb2c898b3ff07efce9d968d2d2a182f7dcf09a36aaba8fefef41c63cb458aac2c3df8c368e5a9f680
SSDEEP 12288:ZSsWuX2hy9dQkIEPYSOdqRThSx4JVjuyxBlDetAqxSv:DG6IEOd+TAmJVCyb
TLSH
T115058D1AF3A902E8D0BBC178C9524552EB72B85653309ADF03E15A661F377E06F3EB11
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

stealer stealc

Malware Config

Extracted

Family

stealc

C2

http://downloadfreemanager.com

rc4.plain

Signatures

Family: Stealc
Stealc is an infostealer written in C++.
stealer stealc

Detects Stealc stealer Version 3 1 IoCs

resource	yara_rule
sample	family_stealc_v3

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
bjbh.exe

File Explorer

bjbh.exe

.exe 779KB

bjbh.exe

IMPHASH e9dd64dcce15e249bad873d9dec07f6f
SHA256 89d0f591a743900b2b3922b63d223de7347f909c3ebfa4deb47b9ac5b073070c
MD5 6c392ad7dab7cbe9767d47dd77a79978
SHA1 17b460421af0bdd84583afddef557c1def1b6cbc
SHA512 b362de79204f3a9e1a8697678d419d868b7e1248781e032bb2c898b3ff07efce9d968d2d2a182f7dcf09a36aaba8fefef41c63cb458aac2c3df8c368e5a9f680
SSDEEP 12288:ZSsWuX2hy9dQkIEPYSOdqRThSx4JVjuyxBlDetAqxSv:DG6IEOd+TAmJVCyb
TLSH
T115058D1AF3A902E8D0BBC178C9524552EB72B85653309ADF03E15A661F377E06F3EB11
MD5 SHA1 SHA512 SSDEEP TLSH

windows:6 windows x64 arch:x64

Detects Stealc stealer Version 3
Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

0

Major OS version

6

Entry point

298272

Magic Number

523

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

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

PDB paths

kernel32

LoadLibraryA GetProcAddress GetCurrentProcess SetEndOfFile QueryPerformanceCounter QueryPerformanceFrequency GetSystemTimePreciseAsFileTime ReleaseSRWLockExclusive AcquireSRWLockExclusive SleepConditionVariableSRW Sleep GetCurrentThreadId WideCharToMultiByte MultiByteToWideChar GetStringTypeW GetLocaleInfoEx EnterCriticalSection LeaveCriticalSection InitializeCriticalSectionEx DeleteCriticalSection EncodePointer DecodePointer LCMapStringEx GetCPInfo WakeAllConditionVariable SetUnhandledExceptionFilter GetStartupInfoW GetModuleHandleW GetCurrentProcessId GetSystemTimeAsFileTime InitializeSListHead RtlPcToFileHeader RaiseException RtlLookupFunctionEntry RtlUnwindEx GetLastError SetLastError FlsAlloc FlsGetValue FlsSetValue FlsFree IsProcessorFeaturePresent GetStdHandle GetFileType GetModuleFileNameW GetModuleHandleExW WriteConsoleW ExitProcess TerminateProcess FreeLibrary WriteFile RtlCaptureContext RtlVirtualUnwind IsDebuggerPresent UnhandledExceptionFilter HeapFree HeapAlloc OutputDebugStringW GetTimeZoneInformation GetFileSizeEx SetFilePointerEx FlushFileBuffers GetConsoleOutputCP GetConsoleMode CloseHandle VirtualProtect LoadLibraryExW CompareStringW LCMapStringW GetLocaleInfoW IsValidLocale GetUserDefaultLCID EnumSystemLocalesW ReadFile ReadConsoleW IsValidCodePage GetACP GetOEMCP HeapReAlloc FindClose FindFirstFileExW FindNextFileW GetCommandLineA GetCommandLineW GetEnvironmentStringsW FreeEnvironmentStringsW SetEnvironmentVariableW GetProcessHeap SetStdHandle CreateFileW HeapSize RtlUnwind

Name

.text

Size

470KB

Virtual Size

469KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

110KB

Virtual Size

109KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.data

Size

177KB

Virtual Size

247KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.pdata

Size

16KB

Virtual Size

16KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.fptable

Size

512B

Virtual Size

256B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.reloc

Size

3KB

Virtual Size

3KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Extracted

Signatures

File Explorer

bjbh.exe

kernel32

generic