2026-09-29_eb6bf7a7c2b27bd3a2f35bba7379572e_amadey_cobalt-strike_hijackloader_satacom_vidar_wannacry

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General

Target
2026-09-29_eb6bf7a7c2b27bd3a2f35bba7379572e_amadey_cobalt-strike_hijackloader_satacom_vidar_wannacry
Size 936KB
Sample260930-stsvvabe53
SHA256 099f0e0669b81b35869b5abd52ac5518ada6efc6cb4029fbbbfa824649181fe4
MD5 eb6bf7a7c2b27bd3a2f35bba7379572e
SHA1 c4ce847ef3daf0ff4fa1d9e6dcf024f506a8cd33
SHA512 5ef44b70740c9c13595112a3c783adb02eb7a8e73253e3daa08ce90bbc3cd18e177c228c4ca743dd3ef56e776db9a95454eba6e554f762dd200b2014900261d2
SSDEEP 24576:icMJliLKhSaagqOasTO3Z25jcAkSYqyE:iRJRpYq
TLSH
T1B5155B16F67446B5E073C1B9C5D2AA8AEE7134465B3087CB1399C3282F277D29E3A371
MD5 SHA1 SHA512 SSDEEP TLSH

Score

5^/10

Malware Config

Signatures

Codesign digest Mismatch 1 IoCs

File was altered after it was signed.

resource
2026-09-29_eb6bf7a7c2b27bd3a2f35bba7379572e_amadey_cobalt-strike_hijackloader_satacom_vidar_wannacry

File Explorer

2026-09-29_eb6bf7a7c2b27bd3a2f35bba7379572e_amadey_cobalt-strike_hijackloader_satacom_vidar_wannacry

.exe 936KB

2026-09-29_eb6bf7a7c2b27bd3a2f35bba7379572e_amadey_cobalt-strike_hijackloader_satacom_vidar_wannacry

IMPHASH a8eca7af7735bd8ecf18aa4dbeb1f12a
SHA256 099f0e0669b81b35869b5abd52ac5518ada6efc6cb4029fbbbfa824649181fe4
MD5 eb6bf7a7c2b27bd3a2f35bba7379572e
SHA1 c4ce847ef3daf0ff4fa1d9e6dcf024f506a8cd33
SHA512 5ef44b70740c9c13595112a3c783adb02eb7a8e73253e3daa08ce90bbc3cd18e177c228c4ca743dd3ef56e776db9a95454eba6e554f762dd200b2014900261d2
SSDEEP 24576:icMJliLKhSaagqOasTO3Z25jcAkSYqyE:iRJRpYq
TLSH
T1B5155B16F67446B5E073C1B9C5D2AA8AEE7134465B3087CB1399C3282F277D29E3A371
MD5 SHA1 SHA512 SSDEEP TLSH

Codesign digest Mismatch

File was altered after it was signed.

PE Signature issue

Digest

f1:00:b6:6f:78:f7:26:79:c0:c5:20:df:b1:36:47:c0:8a:67:c0:43:5a:4f:35:ff:c3:bf:28:60:dd:88:92:02

Digest Algorithm

sha256

PE Digests Matches

Not matched

Trusted

Not trusted

Signing Certificate

CN=.NET,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Chains

Sep 25, 2026

CN=.NET,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

CN=Microsoft Code Signing PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

CN=Microsoft Root Certificate Authority 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Minor OS version

Major OS version

Entry point

65216

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_GUARD_CF IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LARGE_ADDRESS_AWARE

PDB paths

D:\a\_work\1\s\artifacts\obj\win-x64.Release\corehost\dotnet\dotnet.pdb

kernel32

EnterCriticalSection GetFullPathNameW FindNextFileW GetCurrentProcess GetModuleHandleExW GetModuleFileNameW LeaveCriticalSection InitializeCriticalSection GetEnvironmentVariableW FindClose MultiByteToWideChar FindFirstFileExW GetFileAttributesExW LoadLibraryA GetProcAddress DeleteCriticalSection GetModuleHandleW WideCharToMultiByte LoadLibraryExW FreeLibrary GetLastError OutputDebugStringW TlsFree TlsSetValue TlsGetValue TlsAlloc InitializeCriticalSectionAndSpinCount SetLastError RaiseException RtlPcToFileHeader RtlUnwindEx InitializeSListHead GetSystemTimeAsFileTime GetCurrentThreadId GetCurrentProcessId QueryPerformanceCounter IsDebuggerPresent IsProcessorFeaturePresent TerminateProcess SetUnhandledExceptionFilter UnhandledExceptionFilter RtlVirtualUnwind RtlLookupFunctionEntry RtlCaptureContext LCMapStringEx DecodePointer EncodePointer InitializeCriticalSectionEx GetStringTypeW

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

_seh_filter_exe _cexit _invalid_parameter_noinfo_noreturn _crt_atexit _errno _configure_wide_argv _register_onexit_function _initialize_onexit_table _initialize_wide_environment _set_app_type _get_initial_wide_environment terminate _initterm _exit exit abort __p___argc _initterm_e __p___wargv _c_exit _register_thread_local_exe_atexit_callback

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

setvbuf _wfopen __stdio_common_vswprintf _set_fmode __stdio_common_vfwprintf fputws fputwc __p__commode fflush __stdio_common_vsprintf_s __acrt_iob_func

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

wcsncmp _wcsicmp _wcsdup strcpy_s wcsnlen strcspn

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

wcstoul _wtoi

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

_set_new_mode _callnewh malloc calloc free

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

__pctype_func ___mb_cur_max_func setlocale ___lc_locale_name_func localeconv _unlock_locales _configthreadlocale _lock_locales ___lc_codepage_func

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

frexp __setusermatherr

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

_gmtime64_s wcsftime _time64

Name

.text

Size

81KB

Virtual Size

80KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

31KB

Virtual Size

30KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.data

Size

1KB

Virtual Size

4KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.pdata

Size

5KB

Virtual Size

4KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

_RDATA

Size

512B

Virtual Size

244B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.rsrc

Size

2KB

Virtual Size

2KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.reloc

Size

1024B

Virtual Size

788B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

File Explorer

2026-09-29_eb6bf7a7c2b27bd3a2f35bba7379572e_amadey_cobalt-strike_hijackloader_satacom_vidar_wannacry

PE Signature issue

kernel32

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

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

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

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

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

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

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

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

generic