2026-10-21_8289e437a514a060318d90ea3e85956f_akira_cobalt-strike_poet-rat_rusty-stealer

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General

Target
2026-10-21_8289e437a514a060318d90ea3e85956f_akira_cobalt-strike_poet-rat_rusty-stealer
Size 17.9MB
Sample261022-x5x16abd39
SHA256 9a7c9b194fdc6ab2ae956f40a36aaf1352a42545fd3fe2c93d87f7a3cc73bc77
MD5 8289e437a514a060318d90ea3e85956f
SHA1 4db26c7713072ee366ebb7fcc0562ad6ee92c464
SHA512 865bae0aad29b6a9d178d0c59c7e21f410f43a6118da6016b532923c367af3e0e270a95e10d9e619eea63d8b0ee7210df8f3e3bb5cc986b16b4689cff3b4a286
SSDEEP 98304:8qH/1hVUqxm/tZMf3qgztEMw1SeX4+K17DS0j80Lfw8c:8qHFUqUERw1SeIB1zj80LE
TLSH
T11217E67123D118DCD27A81B8E0C36E53652078DA273153FB66D0CA523FA4BE4ED7A3A5
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2026-10-21_8289e437a514a060318d90ea3e85956f_akira_cobalt-strike_poet-rat_rusty-stealer

File Explorer

2026-10-21_8289e437a514a060318d90ea3e85956f_akira_cobalt-strike_poet-rat_rusty-stealer

.exe 17.9MB

2026-10-21_8289e437a514a060318d90ea3e85956f_akira_cobalt-strike_poet-rat_rusty-stealer

IMPHASH 9d6ac533e8c9d1932a3087bac0e927c1
SHA256 9a7c9b194fdc6ab2ae956f40a36aaf1352a42545fd3fe2c93d87f7a3cc73bc77
MD5 8289e437a514a060318d90ea3e85956f
SHA1 4db26c7713072ee366ebb7fcc0562ad6ee92c464
SHA512 865bae0aad29b6a9d178d0c59c7e21f410f43a6118da6016b532923c367af3e0e270a95e10d9e619eea63d8b0ee7210df8f3e3bb5cc986b16b4689cff3b4a286
SSDEEP 98304:8qH/1hVUqxm/tZMf3qgztEMw1SeX4+K17DS0j80Lfw8c:8qHFUqUERw1SeIB1zj80LE
TLSH
T11217E67123D118DCD27A81B8E0C36E53652078DA273153FB66D0CA523FA4BE4ED7A3A5
MD5 SHA1 SHA512 SSDEEP TLSH

Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

15365760

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

mv_transcribe_test_worker.pdb

kernel32

AcquireSRWLockExclusive AcquireSRWLockShared AddVectoredExceptionHandler AreFileApisANSI CloseHandle CreateFileA CreateFileMappingW CreateFileW CreateMutexA CreateMutexW CreateThread DeleteCriticalSection DeleteFileA DeleteFileW EnterCriticalSection ExitProcess FindClose FindFirstFileExW FlushFileBuffers FlushViewOfFile FormatMessageA FormatMessageW FreeLibrary GetCommandLineW GetConsoleMode GetConsoleOutputCP GetCurrentDirectoryW GetCurrentProcess GetCurrentProcessId GetCurrentThread GetCurrentThreadId GetDiskFreeSpaceA GetDiskFreeSpaceW GetEnvironmentVariableW GetFileAttributesA GetFileAttributesExW GetFileAttributesW GetFileInformationByHandle GetFileInformationByHandleEx GetFileSize GetFileSizeEx GetFullPathNameA GetFullPathNameW GetLastError GetModuleFileNameW GetModuleHandleA GetModuleHandleW GetProcAddress GetProcessHeap GetStdHandle GetSystemInfo GetSystemTime GetSystemTimeAsFileTime GetTempPathA GetTempPathW GetTickCount GlobalMemoryStatusEx HeapAlloc HeapCompact HeapCreate HeapDestroy HeapFree HeapReAlloc HeapSize HeapValidate InitializeConditionVariable InitializeCriticalSection InitializeSListHead InitializeSRWLock LeaveCriticalSection LoadLibraryA LoadLibraryExW LoadLibraryW LocalFree LockFile LockFileEx MapViewOfFile MultiByteToWideChar OutputDebugStringA OutputDebugStringW QueryPerformanceCounter QueryPerformanceFrequency RaiseException ReadConsoleW ReadFile ReleaseMutex ReleaseSRWLockExclusive ReleaseSRWLockShared RtlCaptureContext RtlLookupFunctionEntry RtlVirtualUnwind SetEndOfFile SetFileInformationByHandle SetFilePointer SetFilePointerEx SetFileTime SetLastError SetThreadAffinityMask SetThreadErrorMode SetThreadInformation SetThreadPriority SetThreadStackGuarantee SetUnhandledExceptionFilter Sleep SleepConditionVariableSRW SystemTimeToFileTime TryEnterCriticalSection UnlockFile UnlockFileEx UnmapViewOfFile WaitForSingleObject WaitForSingleObjectEx WakeAllConditionVariable WideCharToMultiByte WriteConsoleW WriteFile lstrlenW

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

WaitOnAddress WakeByAddressAll WakeByAddressSingle

ntdll

NtReadFile NtWriteFile RtlNtStatusToDosError

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?$basic_ostream@DU?$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 ??0?$codecvt@_WDU_Mbstatet@@@std@@QEAA@_K@Z ??0_Locinfo@std@@QEAA@PEBD@Z ??0_Lockit@std@@QEAA@H@Z ??0facet@locale@std@@IEAA@_K@Z ??1?$basic_ios@DU?$char_traits@D@std@@@std@@UEAA@XZ ??1?$basic_istream@DU?$char_traits@D@std@@@std@@UEAA@XZ ??1?$basic_ostream@DU?$char_traits@D@std@@@std@@UEAA@XZ ??1?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAA@XZ ??1?$codecvt@_WDU_Mbstatet@@@std@@MEAA@XZ ??1_Locinfo@std@@QEAA@XZ ??1_Lockit@std@@QEAA@XZ ??1facet@locale@std@@MEAA@XZ ??4?$_Yarn@D@std@@QEAAAEAV01@PEBD@Z ??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@M@Z ?_Decref@facet@locale@std@@UEAAPEAV_Facet_base@3@XZ ?_Fiopen@std@@YAPEAU_iobuf@@PEBDHH@Z ?_Fiopen@std@@YAPEAU_iobuf@@PEB_WHH@Z ?_Getcat@?$codecvt@DDU_Mbstatet@@@std@@SA_KPEAPEBVfacet@locale@2@PEBV42@@Z ?_Getcat@?$ctype@D@std@@SA_KPEAPEBVfacet@locale@2@PEBV42@@Z ?_Getcoll@_Locinfo@std@@QEBA?AU_Collvec@@XZ ?_Getgloballocale@locale@std@@CAPEAV_Locimp@12@XZ ?_Id_cnt@id@locale@std@@0HA ?_Incref@facet@locale@std@@UEAAXXZ ?_Init@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXXZ ?_Init@locale@std@@CAPEAV_Locimp@12@_N@Z ?_Locimp_Addfac@_Locimp@locale@std@@CAXPEAV123@PEAVfacet@23@_K@Z ?_New_Locimp@_Locimp@locale@std@@CAPEAV123@AEBV123@@Z ?_Osfx@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAXXZ ?_Throw_Cpp_error@std@@YAXH@Z ?_Xbad_alloc@std@@YAXXZ ?_Xbad_function_call@std@@YAXXZ ?_Xlength_error@std@@YAXPEBD@Z ?_Xout_of_range@std@@YAXPEBD@Z ?_Xregex_error@std@@YAXW4error_type@regex_constants@1@@Z ?always_noconv@codecvt_base@std@@QEBA_NXZ ?flush@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@XZ ?getloc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEBA?AVlocale@2@XZ ?id@?$codecvt@DDU_Mbstatet@@@std@@2V0locale@2@A ?id@?$codecvt@_WDU_Mbstatet@@@std@@2V0locale@2@A ?id@?$collate@D@std@@2V0locale@2@A ?id@?$ctype@D@std@@2V0locale@2@A ?in@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEBD1AEAPEBDPEAD3AEAPEAD@Z ?in@?$codecvt@_WDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEBD1AEAPEBDPEA_W3AEAPEA_W@Z ?out@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEBD1AEAPEBDPEAD3AEAPEAD@Z ?read@?$basic_istream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@PEAD_J@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 ?tolower@?$ctype@D@std@@QEBADD@Z ?uncaught_exception@std@@YA_NXZ ?unshift@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEAD1AEAPEAD@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_do_broadcast_at_thread_exit _Mtx_init_in_situ _Mtx_lock _Mtx_unlock _Strcoll _Strxfrm _Thrd_hardware_concurrency _Thrd_id _Thrd_join __crtLCMapStringA

advapi32

RegCloseKey RegOpenKeyExA RegQueryValueExA

vcruntime140

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

vcruntime140_1

__CxxFrameHandler4

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

___lc_collate_cp_func ___lc_locale_name_func _configthreadlocale

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

__acrt_iob_func __p__commode __stdio_common_vfprintf __stdio_common_vsnprintf_s __stdio_common_vsprintf __stdio_common_vsprintf_s _fseeki64 _get_stream_buffer_pointers _set_fmode fclose fflush fgetc fgetpos fputc fputs fread fsetpos fwrite setvbuf ungetc

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

_aligned_free _aligned_malloc _callnewh _msize _set_new_mode calloc free malloc realloc

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-time-l1-1-0

_localtime64_s

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

_lock_file _unlock_file

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

atoi

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

__setusermatherr ceil ceilf cos cosf erff exp expf expm1f floor floorf fmaxf fminf log log10 log10f log2 log2f logf lroundf pow powf round roundf sin sinf sqrtf tan tanhf trunc truncf

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

getenv

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

qsort

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

strcat_s strcmp strcspn strlen strncmp strspn

OnigDefaultCaseFoldFlag OnigDefaultSyntax OnigEncodingASCII OnigEncodingUTF8 OnigSyntaxASIS OnigSyntaxEmacs OnigSyntaxGnuRegex OnigSyntaxGrep OnigSyntaxJava OnigSyntaxOniguruma OnigSyntaxPerl OnigSyntaxPerl_NG OnigSyntaxPosixBasic OnigSyntaxPosixExtended OnigSyntaxPython OnigSyntaxRuby onig_builtin_cmp onig_builtin_count onig_builtin_error onig_builtin_fail onig_builtin_max onig_builtin_mismatch onig_builtin_skip onig_builtin_total_count onig_callout_tag_is_exist_at_callout_num onig_copy_encoding onig_copy_syntax onig_copyright onig_end onig_error_code_to_str onig_foreach_name onig_free onig_free_body onig_free_match_param onig_free_match_param_content onig_get_arg_by_callout_args onig_get_args_num_by_callout_args onig_get_callback_each_match onig_get_callout_data onig_get_callout_data_by_callout_args onig_get_callout_data_by_callout_args_self onig_get_callout_data_by_callout_args_self_dont_clear_old onig_get_callout_data_by_tag onig_get_callout_data_by_tag_dont_clear_old onig_get_callout_data_dont_clear_old onig_get_callout_in_by_callout_args onig_get_callout_name_by_name_id onig_get_callout_num_by_callout_args onig_get_callout_num_by_tag onig_get_callout_tag_end onig_get_callout_tag_start onig_get_capture_range_in_callout onig_get_capture_tree onig_get_case_fold_flag onig_get_contents_by_callout_args onig_get_contents_end_by_callout_args onig_get_current_by_callout_args onig_get_default_case_fold_flag onig_get_encoding onig_get_match_stack_limit_size onig_get_name_id_by_callout_args onig_get_options onig_get_parse_depth_limit onig_get_passed_args_num_by_callout_args onig_get_progress_callout onig_get_regex_by_callout_args onig_get_retraction_callout onig_get_retry_counter_by_callout_args onig_get_retry_limit_in_match onig_get_retry_limit_in_search onig_get_right_range_by_callout_args onig_get_start_by_callout_args onig_get_string_by_callout_args onig_get_string_end_by_callout_args onig_get_subexp_call_limit_in_search onig_get_subexp_call_max_nest_level onig_get_syntax onig_get_syntax_behavior onig_get_syntax_op onig_get_syntax_op2 onig_get_syntax_options onig_get_used_stack_size_in_callout onig_initialize onig_initialize_encoding onig_initialize_match_param onig_is_error_code_needs_param onig_match onig_match_with_param onig_name_to_backref_number onig_name_to_group_numbers onig_new onig_new_match_param onig_noname_group_capture_is_active onig_number_of_capture_histories onig_number_of_captures onig_number_of_names onig_reg_init onig_region_clear onig_region_copy onig_region_free onig_region_init onig_region_new onig_region_resize onig_region_set onig_regset_add onig_regset_free onig_regset_get_regex onig_regset_get_region onig_regset_new onig_regset_number_of_regex onig_regset_replace onig_regset_search onig_regset_search_with_param onig_scan onig_search onig_search_with_param onig_set_callback_each_match onig_set_callout_data onig_set_callout_data_by_callout_args onig_set_callout_data_by_callout_args_self onig_set_callout_data_by_tag onig_set_callout_of_name onig_set_callout_user_data_of_match_param onig_set_capture_num_limit onig_set_default_case_fold_flag onig_set_default_syntax onig_set_match_stack_limit_size onig_set_match_stack_limit_size_of_match_param onig_set_meta_char onig_set_parse_depth_limit onig_set_progress_callout onig_set_progress_callout_of_match_param onig_set_retraction_callout onig_set_retraction_callout_of_match_param onig_set_retry_limit_in_match onig_set_retry_limit_in_match_of_match_param onig_set_retry_limit_in_search onig_set_retry_limit_in_search_of_match_param onig_set_subexp_call_limit_in_search onig_set_subexp_call_max_nest_level onig_set_syntax_behavior onig_set_syntax_op onig_set_syntax_op2 onig_set_syntax_options onig_set_verb_warn_func onig_set_warn_func onig_setup_builtin_monitors_by_ascii_encoded_name onig_unicode_define_user_property onig_version onigenc_get_default_encoding onigenc_get_left_adjust_char_head onigenc_get_prev_char_head onigenc_get_right_adjust_char_head onigenc_get_right_adjust_char_head_with_prev onigenc_init onigenc_is_valid_mbc_string onigenc_set_default_caseconv_table onigenc_set_default_encoding onigenc_step_back onigenc_str_bytelen_null onigenc_strdup onigenc_strlen onigenc_strlen_null

Name

.text

Size

14.7MB

Virtual Size

14.7MB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

2.2MB

Virtual Size

2.2MB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.data

Size

662KB

Virtual Size

1.2MB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.pdata

Size

372KB

Virtual Size

372KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.tls

Size

512B

Virtual Size

189B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

_RDATA

Size

512B

Virtual Size

304B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.reloc

Size

39KB

Virtual Size

38KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

File Explorer

2026-10-21_8289e437a514a060318d90ea3e85956f_akira_cobalt-strike_poet-rat_rusty-stealer

kernel32

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

ntdll

bcryptprimitives

msvcp140

advapi32

vcruntime140

vcruntime140_1

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

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

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

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

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

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

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

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

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

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

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

generic