2025-04-20_9d8735f3616aa80144974a74ddeb99fa_black-basta_cobalt-strike_ryuk_satacom

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General

Target
2025-04-20_9d8735f3616aa80144974a74ddeb99fa_black-basta_cobalt-strike_ryuk_satacom
Size 799KB
Sample250420-ref23a1jv7
SHA256 fd39a100de7ae6efc732edeab31a89313d0be7e0540acffc04f6ed707c48c48d
MD5 9d8735f3616aa80144974a74ddeb99fa
SHA1 70414ba52fbfe2606e8fb08d43afbab4488628eb
SHA512 231c202bfa703e3c0740b990344ee2903eceba15abb79add30a0690089eb12ec64a264301fd20c46f97eb6092e80b3dbc2227c1b447844a03a422689eb34c315
SSDEEP 12288:dbGU3fK+OmAeJWcl28vZ2CYizu+9LKLdEEo4Edka+9LKLdEEo4Edk:ZGU3bNkAuaKLdjRaaKLdjR
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2025-04-20_9d8735f3616aa80144974a74ddeb99fa_black-basta_cobalt-strike_ryuk_satacom

File Explorer

2025-04-20_9d8735f3616aa80144974a74ddeb99fa_black-basta_cobalt-strike_ryuk_satacom

.exe 799KB

2025-04-20_9d8735f3616aa80144974a74ddeb99fa_black-basta_cobalt-strike_ryuk_satacom

IMPHASH 3e2a6ecfffc5d43a7565ef87874e92c4
SHA256 fd39a100de7ae6efc732edeab31a89313d0be7e0540acffc04f6ed707c48c48d
MD5 9d8735f3616aa80144974a74ddeb99fa
SHA1 70414ba52fbfe2606e8fb08d43afbab4488628eb
SHA512 231c202bfa703e3c0740b990344ee2903eceba15abb79add30a0690089eb12ec64a264301fd20c46f97eb6092e80b3dbc2227c1b447844a03a422689eb34c315
SSDEEP 12288:dbGU3fK+OmAeJWcl28vZ2CYizu+9LKLdEEo4Edka+9LKLdEEo4Edk:ZGU3bNkAuaKLdjRaaKLdjR
MD5 SHA1 SHA512 SSDEEP

windows:6 windows x64 arch:x64

Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

377128

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

AcquireSRWLockExclusive CloseHandle CreateFileA CreateFileW CreateThread DeleteCriticalSection EncodePointer EnterCriticalSection ExitProcess ExitThread FindClose FindFirstFileExW FindNextFileW FlsAlloc FlsFree FlsGetValue FlsSetValue FlushFileBuffers FreeEnvironmentStringsW FreeLibrary FreeLibraryAndExitThread GetACP GetCPInfo GetCommandLineA GetCommandLineW GetConsoleMode GetConsoleOutputCP GetCurrentProcess GetCurrentProcessId GetCurrentThreadId GetEnvironmentStringsW GetExitCodeThread GetFileSize GetFileSizeEx GetFileType GetLastError GetModuleFileNameW GetModuleHandleA GetModuleHandleExW GetModuleHandleW GetOEMCP GetProcAddress GetProcessHeap GetStartupInfoW GetStdHandle GetStringTypeW GetSystemTimeAsFileTime HeapAlloc HeapFree HeapReAlloc HeapSize InitializeCriticalSectionAndSpinCount InitializeSListHead IsDebuggerPresent IsProcessorFeaturePresent IsValidCodePage LCMapStringW LeaveCriticalSection LoadLibraryExW MultiByteToWideChar QueryPerformanceCounter QueryPerformanceFrequency RaiseException ReadFile ReleaseSRWLockExclusive RtlCaptureContext RtlLookupFunctionEntry RtlPcToFileHeader RtlUnwindEx RtlVirtualUnwind SetFilePointerEx SetLastError SetStdHandle SetUnhandledExceptionFilter Sleep TerminateProcess TlsAlloc TlsFree TlsGetValue TlsSetValue TryAcquireSRWLockExclusive UnhandledExceptionFilter WaitForSingleObjectEx WakeAllConditionVariable WideCharToMultiByte WriteConsoleW WriteFile

Name

.text

Size

452KB

Virtual Size

452KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

48KB

Virtual Size

48KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.data

Size

3KB

Virtual Size

10KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.pdata

Size

6KB

Virtual Size

6KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.B8

Size

1KB

Virtual Size

1KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.gxfg

Size

5KB

Virtual Size

5KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.retplne

Size

512B

Virtual Size

140B

Characteristics

Name

_RDATA

Size

512B

Virtual Size

500B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.reloc

Size

2KB

Virtual Size

1KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Name

.jss

Size

137KB

Virtual Size

137KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.jss

Size

137KB

Virtual Size

137KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.rsrc

Size

1024B

Virtual Size

956B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

File Explorer

2025-04-20_9d8735f3616aa80144974a74ddeb99fa_black-basta_cobalt-strike_ryuk_satacom

kernel32

generic