2026-08-09_31a19e7ecabf6340629f9ebc49513518_akira_cobalt-strike_rusty-stealer

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General

Target
2026-08-09_31a19e7ecabf6340629f9ebc49513518_akira_cobalt-strike_rusty-stealer
Size 4.4MB
Sample260809-hrb47shc93
SHA256 2f253cd68285fbe6558ca9e5d626d85ab158c83738e492155f10cd28e4b2c79d
MD5 31a19e7ecabf6340629f9ebc49513518
SHA1 f9735f228c2c6caba3c2815d8de6af91d55f7635
SHA512 4d4d9ba0399aadd795d2a783026fd873b23aee473e767890c04ba5ff1846184e900c0737fcb444aa63a9621e96d60df03b253114e4888a3b94194ce4adef0ce2
SSDEEP 49152:8S2XxvmWNHC05p6fz4fIQum1Au3/t4LSU6ITA9DxzOtxXO0hNdnDY4iUGrMAplno:uXuUnueIFhSTvb7YLlg
TLSH
T155265B1A7B6951EDC07BC078C2834E26BD3170DA0B356BEB408486792F66EF56E3E354
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2026-08-09_31a19e7ecabf6340629f9ebc49513518_akira_cobalt-strike_rusty-stealer

File Explorer

2026-08-09_31a19e7ecabf6340629f9ebc49513518_akira_cobalt-strike_rusty-stealer

.exe 4.4MB

2026-08-09_31a19e7ecabf6340629f9ebc49513518_akira_cobalt-strike_rusty-stealer

IMPHASH e59feeda686849231da5e29baf5c6999
SHA256 2f253cd68285fbe6558ca9e5d626d85ab158c83738e492155f10cd28e4b2c79d
MD5 31a19e7ecabf6340629f9ebc49513518
SHA1 f9735f228c2c6caba3c2815d8de6af91d55f7635
SHA512 4d4d9ba0399aadd795d2a783026fd873b23aee473e767890c04ba5ff1846184e900c0737fcb444aa63a9621e96d60df03b253114e4888a3b94194ce4adef0ce2
SSDEEP 49152:8S2XxvmWNHC05p6fz4fIQum1Au3/t4LSU6ITA9DxzOtxXO0hNdnDY4iUGrMAplno:uXuUnueIFhSTvb7YLlg
TLSH
T155265B1A7B6951EDC07BC078C2834E26BD3170DA0B356BEB408486792F66EF56E3E354
MD5 SHA1 SHA512 SSDEEP TLSH

Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

3243648

Magic Number

523

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_CUI

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

repository_integration-f5b4098b9b680ea8.pdb

kernel32

AcquireSRWLockExclusive AddVectoredExceptionHandler AreFileApisANSI CancelIo CloseHandle CompareFileTime CompareStringOrdinal CreateDirectoryW CreateEventW CreateFile2 CreateFileA CreateFileMappingW CreateFileW CreateIoCompletionPort CreateMutexA CreateMutexW CreateProcessW CreateThread DeleteCriticalSection DeleteFileA DeleteFileW DeviceIoControl DuplicateHandle EnterCriticalSection ExitProcess FindClose FindFirstFileExW FindFirstFileW FindNextFileW FlushFileBuffers FlushViewOfFile FormatMessageA FormatMessageW FreeEnvironmentStringsW FreeLibrary GetCommandLineW GetConsoleMode GetConsoleOutputCP GetConsoleScreenBufferInfo GetCurrentDirectoryW GetCurrentProcess GetCurrentProcessId GetCurrentThread GetCurrentThreadId GetDiskFreeSpaceA GetDiskFreeSpaceW GetEnvironmentStringsW GetEnvironmentVariableW GetExitCodeProcess GetFileAttributesA GetFileAttributesExW GetFileAttributesW GetFileInformationByHandle GetFileInformationByHandleEx GetFileSize GetFileType GetFinalPathNameByHandleW GetFullPathNameA GetFullPathNameW GetLastError GetLocaleInfoEx GetModuleFileNameW GetModuleHandleA GetModuleHandleW GetOverlappedResult GetProcAddress GetProcessHeap GetQueuedCompletionStatusEx GetStdHandle GetSystemDirectoryW GetSystemInfo GetSystemTime GetSystemTimeAsFileTime GetSystemTimePreciseAsFileTime GetTempPathA GetTempPathW GetTickCount GetWindowsDirectoryW HeapAlloc HeapCompact HeapCreate HeapDestroy HeapFree HeapReAlloc HeapSize HeapValidate InitializeCriticalSection InitializeSListHead LeaveCriticalSection LoadLibraryA LoadLibraryW LocalFree LockFile LockFileEx MapViewOfFile MoveFileExW MultiByteToWideChar OutputDebugStringA OutputDebugStringW PostQueuedCompletionStatus QueryPerformanceCounter QueryPerformanceFrequency RaiseException ReadFile ReadFileEx ReleaseMutex ReleaseSRWLockExclusive RtlCaptureContext RtlLookupFunctionEntry RtlVirtualUnwind SetConsoleTextAttribute SetEndOfFile SetFileAttributesW SetFileInformationByHandle SetFilePointer SetFilePointerEx SetFileTime SetLastError SetThreadStackGuarantee SetUnhandledExceptionFilter Sleep SleepConditionVariableSRW SleepEx SwitchToThread SystemTimeToFileTime TryEnterCriticalSection UnlockFile UnlockFileEx UnmapViewOfFile WaitForMultipleObjects WaitForSingleObject WaitForSingleObjectEx WakeAllConditionVariable WideCharToMultiByte WriteConsoleW WriteFile WriteFileEx lstrlenW

api-ms-win-core-synch-l1-2-0

WaitOnAddress WakeByAddressAll WakeByAddressSingle

oleaut32

SysAllocString SysAllocStringByteLen SysAllocStringLen SysFreeString SysStringByteLen SysStringLen

ntdll

NtCancelIoFileEx NtCreateNamedPipeFile NtDeviceIoControlFile NtOpenFile NtReadFile NtWriteFile RtlNtStatusToDosError

userenv

GetUserProfileDirectoryW

bcryptprimitives

ProcessPrng

msvcp140

??0?$basic_ios@DU?$char_traits@D@std@@@std@@IEAA@XZ ??0?$basic_istream@DU?$char_traits@D@std@@@std@@QEAA@PEAV?$basic_streambuf@DU?$char_traits@D@std@@@1@_N@Z ??0?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAA@XZ ??1?$basic_ios@DU?$char_traits@D@std@@@std@@UEAA@XZ ??1?$basic_istream@DU?$char_traits@D@std@@@std@@UEAA@XZ ??1?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAA@XZ ??7ios_base@std@@QEBA_NXZ ?_Lock@?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAAXXZ ?_Osfx@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAXXZ ?_Pninc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAPEADXZ ?_Syserror_map@std@@YAPEBDH@Z ?_Throw_Cpp_error@std@@YAXH@Z ?_Unlock@?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAAXXZ ?_Winerror_map@std@@YAHH@Z ?_Xbad_alloc@std@@YAXXZ ?_Xbad_function_call@std@@YAXXZ ?_Xlength_error@std@@YAXPEBD@Z ?_Xout_of_range@std@@YAXPEBD@Z ?__ExceptionPtrAssign@@YAXPEAXPEBX@Z ?__ExceptionPtrCopy@@YAXPEAXPEBX@Z ?__ExceptionPtrCopyException@@YAXPEAXPEBX1@Z ?__ExceptionPtrCreate@@YAXPEAX@Z ?__ExceptionPtrDestroy@@YAXPEAX@Z ?__ExceptionPtrRethrow@@YAXPEBX@Z ?__ExceptionPtrToBool@@YA_NPEBX@Z ?bad@ios_base@std@@QEBA_NXZ ?clear@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAAXH_N@Z ?eback@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ ?egptr@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ ?epptr@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ ?fail@ios_base@std@@QEBA_NXZ ?fill@?$basic_ios@DU?$char_traits@D@std@@@std@@QEBADXZ ?flags@ios_base@std@@QEBAHXZ ?flush@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@XZ ?gbump@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXH@Z ?gcount@?$basic_istream@DU?$char_traits@D@std@@@std@@QEBA_JXZ ?good@ios_base@std@@QEBA_NXZ ?gptr@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ ?imbue@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAXAEBVlocale@2@@Z ?pptr@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ ?rdbuf@?$basic_ios@DU?$char_traits@D@std@@@std@@QEBAPEAV?$basic_streambuf@DU?$char_traits@D@std@@@2@XZ ?read@?$basic_istream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@PEAD_J@Z ?seekg@?$basic_istream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@V?$fpos@U_Mbstatet@@@2@@Z ?seekg@?$basic_istream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@_JH@Z ?seekp@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@V?$fpos@U_Mbstatet@@@2@@Z ?seekp@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@_JH@Z ?setbuf@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAPEAV12@PEAD_J@Z ?setg@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXPEAD00@Z ?setp@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXPEAD00@Z ?setp@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXPEAD0@Z ?setstate@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAAXH_N@Z ?showmanyc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JXZ ?sputc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHD@Z ?sputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAA_JPEBD_J@Z ?sync@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAHXZ ?tellg@?$basic_istream@DU?$char_traits@D@std@@@std@@QEAA?AV?$fpos@U_Mbstatet@@@2@XZ ?tellp@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAA?AV?$fpos@U_Mbstatet@@@2@XZ ?tie@?$basic_ios@DU?$char_traits@D@std@@@std@@QEBAPEAV?$basic_ostream@DU?$char_traits@D@std@@@2@XZ ?uflow@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAHXZ ?uncaught_exception@std@@YA_NXZ ?width@ios_base@std@@QEAA_J_J@Z ?width@ios_base@std@@QEBA_JXZ ?write@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@PEBD_J@Z ?xsgetn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JPEAD_J@Z ?xsputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JPEBD_J@Z _Cnd_signal _Cnd_wait _Mtx_lock _Mtx_unlock _Xtime_get_ticks

user32

CharUpperBuffW

vcruntime140

_CxxThrowException __C_specific_handler __CxxFrameHandler3 __current_exception __current_exception_context __std_exception_copy __std_exception_destroy _purecall memchr memcmp memcpy memmove memset strchr strrchr

vcruntime140_1

__CxxFrameHandler4

api-ms-win-crt-locale-l1-1-0

___lc_codepage_func _configthreadlocale

api-ms-win-crt-runtime-l1-1-0

__p___argc __p___argv _beginthreadex _c_exit _cexit _configure_narrow_argv _crt_atexit _endthreadex _exit _get_initial_narrow_environment _initialize_narrow_environment _initialize_onexit_table _initterm _initterm_e _register_onexit_function _register_thread_local_exe_atexit_callback _seh_filter_exe _set_app_type abort exit terminate

api-ms-win-crt-math-l1-1-0

__setusermatherr _dclass fabs floor fmod log pow trunc

api-ms-win-crt-time-l1-1-0

_localtime64_s

api-ms-win-crt-heap-l1-1-0

_callnewh _msize _set_new_mode free malloc realloc

api-ms-win-crt-utility-l1-1-0

qsort

api-ms-win-crt-string-l1-1-0

strcmp strcspn strlen strncmp strncpy strspn wcscmp wcslen

api-ms-win-crt-stdio-l1-1-0

__p__commode _set_fmode

Name

.text

Size

3.2MB

Virtual Size

3.2MB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

993KB

Virtual Size

992KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.data

Size

32KB

Virtual Size

33KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.pdata

Size

212KB

Virtual Size

211KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.tls

Size

1024B

Virtual Size

905B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.reloc

Size

15KB

Virtual Size

15KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

File Explorer

2026-08-09_31a19e7ecabf6340629f9ebc49513518_akira_cobalt-strike_rusty-stealer

kernel32

api-ms-win-core-synch-l1-2-0

oleaut32

ntdll

userenv

bcryptprimitives

msvcp140

user32

vcruntime140

vcruntime140_1

api-ms-win-crt-locale-l1-1-0

api-ms-win-crt-runtime-l1-1-0

api-ms-win-crt-math-l1-1-0

api-ms-win-crt-time-l1-1-0

api-ms-win-crt-heap-l1-1-0

api-ms-win-crt-utility-l1-1-0

api-ms-win-crt-string-l1-1-0

api-ms-win-crt-stdio-l1-1-0

generic