2026-08-19_f806e3cac0cf2233ac8fc67c3a55f815_amadey_cobalt-strike_hijackloader_satacom_vidar_wannacry

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General

Target
2026-08-19_f806e3cac0cf2233ac8fc67c3a55f815_amadey_cobalt-strike_hijackloader_satacom_vidar_wannacry
Size 3.2MB
Sample260819-mpgdcsed42
SHA256 91aa1579dcb0aa479db22ff3838a2e77097b0c2d00bed5b9a925c83204a63630
MD5 f806e3cac0cf2233ac8fc67c3a55f815
SHA1 1a49991c7b3c14cf74701109c029fd33fa6ad98a
SHA512 d90c998c2f8042d7ae0b64cc86b439232c804a090eeb1594cb8ce9216d15652e22a799bef971d1c240fe9c41362dd4f0fdfb9c168dc10e3dee5811384bb13ca8
SSDEEP 49152:iRJ+pYqxqJtb2IEeW4SkZP4sz9MbKeW4SkZP4sz9Mb:iRg6cFfkZcCfkZc
TLSH
T1F1F50915F6788723D0B3C0B9C5D6AA9AFE3234465B308ACB024AD36C2E277D6D536735
MD5 SHA1 SHA512 SSDEEP TLSH

Score

5^/10

Malware Config

Signatures

Codesign digest Mismatch 1 IoCs

File was altered after it was signed.

resource
2026-08-19_f806e3cac0cf2233ac8fc67c3a55f815_amadey_cobalt-strike_hijackloader_satacom_vidar_wannacry

File Explorer

2026-08-19_f806e3cac0cf2233ac8fc67c3a55f815_amadey_cobalt-strike_hijackloader_satacom_vidar_wannacry

.exe 3.2MB

2026-08-19_f806e3cac0cf2233ac8fc67c3a55f815_amadey_cobalt-strike_hijackloader_satacom_vidar_wannacry

IMPHASH a8eca7af7735bd8ecf18aa4dbeb1f12a
SHA256 91aa1579dcb0aa479db22ff3838a2e77097b0c2d00bed5b9a925c83204a63630
MD5 f806e3cac0cf2233ac8fc67c3a55f815
SHA1 1a49991c7b3c14cf74701109c029fd33fa6ad98a
SHA512 d90c998c2f8042d7ae0b64cc86b439232c804a090eeb1594cb8ce9216d15652e22a799bef971d1c240fe9c41362dd4f0fdfb9c168dc10e3dee5811384bb13ca8
SSDEEP 49152:iRJ+pYqxqJtb2IEeW4SkZP4sz9MbKeW4SkZP4sz9Mb:iRg6cFfkZcCfkZc
TLSH
T1F1F50915F6788723D0B3C0B9C5D6AA9AFE3234465B308ACB024AD36C2E277D6D536735
MD5 SHA1 SHA512 SSDEEP TLSH

Codesign digest Mismatch

File was altered after it was signed.

PE Signature issue

Digest

a8:db:44:5c:b9:f6:fa:67:5d:45:7e:34:dc:bb:00:ca:66:ee:57:2d:98:1b:18:b1:38:6e:f0:1e:c4:58:f7:93

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

Aug 14, 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

2026-08-19_f806e3cac0cf2233ac8fc67c3a55f815_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