2026-06-04_389f9f5393cbc72c6e218334dc78235e_amadey_cobalt-strike_hijackloader_vidar_wannacry

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General

Target
2026-06-04_389f9f5393cbc72c6e218334dc78235e_amadey_cobalt-strike_hijackloader_vidar_wannacry
Size 2.3MB
Sample260604-reqw9sgz2r
SHA256 b84082b0527d1812c943868b3f963c6d4eb4c275fe1f4a938e054a7614198167
MD5 389f9f5393cbc72c6e218334dc78235e
SHA1 fb46e32dd9d2078e436e72baf74f57601dc55f6d
SHA512 52dbe94f2932947ffdaee3b016b3616b711575c2b5ba8a2d13d6eb77ef4283cb723ee173138f9b4f19567786869d50e0757cbdceb9ee4660ce94d034211207b1
SSDEEP 24576:irYn5Gq2xf1IP3D+qBhw/rziD5TvinrmyrCn5cYTqMi8CtBd2QHCHmTBW5:6Y5GkL+BM56rNC5TqJtb2I
TLSH
T17FB51825B7A58725E17796B4C8A586E6ED327D111F3097CF1280BE283F326C1D93A327
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2026-06-04_389f9f5393cbc72c6e218334dc78235e_amadey_cobalt-strike_hijackloader_vidar_wannacry

File Explorer

2026-06-04_389f9f5393cbc72c6e218334dc78235e_amadey_cobalt-strike_hijackloader_vidar_wannacry

.exe 2.3MB

2026-06-04_389f9f5393cbc72c6e218334dc78235e_amadey_cobalt-strike_hijackloader_vidar_wannacry

IMPHASH 8bea6f3f5d5ccc2af12610f2748d9e8a
SHA256 b84082b0527d1812c943868b3f963c6d4eb4c275fe1f4a938e054a7614198167
MD5 389f9f5393cbc72c6e218334dc78235e
SHA1 fb46e32dd9d2078e436e72baf74f57601dc55f6d
SHA512 52dbe94f2932947ffdaee3b016b3616b711575c2b5ba8a2d13d6eb77ef4283cb723ee173138f9b4f19567786869d50e0757cbdceb9ee4660ce94d034211207b1
SSDEEP 24576:irYn5Gq2xf1IP3D+qBhw/rziD5TvinrmyrCn5cYTqMi8CtBd2QHCHmTBW5:6Y5GkL+BM56rNC5TqJtb2I
TLSH
T17FB51825B7A58725E17796B4C8A586E6ED327D111F3097CF1280BE283F326C1D93A327
MD5 SHA1 SHA512 SSDEEP TLSH

Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

37456

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_GUARD_CF IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LARGE_ADDRESS_AWARE IMAGE_FILE_REMOVABLE_RUN_FROM_SWAP IMAGE_FILE_NET_RUN_FROM_SWAP

PDB paths

SetupPlatform.pdb

msvcrt

__CxxFrameHandler3 wcschr _vscwprintf _wcsnicmp __RTDynamicCast ??1type_info@@UEAA@XZ ?terminate@@YAXXZ _commode _wcmdln __C_specific_handler _initterm __setusermatherr _cexit _exit exit __set_app_type __wgetmainargs _amsg_exit _XcptFilter _CxxThrowException _callnewh ?what@exception@@UEBAPEBDXZ ??1exception@@UEAA@XZ ??0exception@@QEAA@AEBV0@@Z ??0exception@@QEAA@AEBQEBDH@Z malloc memmove_s wcsrchr free iswalpha _wcsicmp calloc _vsnwprintf _fmode memset

wdscore

ConstructPartialMsgVW CurrentIP WdsSetupLogMessageW

unbcl

??1ArgumentException@UnBCL@@UEAA@XZ ??1Win32Exception@UnBCL@@UEAA@XZ ??1ArgumentOutOfRangeException@UnBCL@@UEAA@XZ ??1InvalidOperationException@UnBCL@@UEAA@XZ ??1NotSupportedException@UnBCL@@UEAA@XZ ??0Win32Exception@UnBCL@@QEAA@KPEBG@Z ??0Object@UnBCL@@QEAA@XZ ??1Object@UnBCL@@UEAA@XZ ?Equals@Object@UnBCL@@UEBAHPEBV12@@Z ?GetHashCode@Object@UnBCL@@UEBAHXZ ?GetType@Object@UnBCL@@UEBAPEAVType@2@XZ ?ToString@Object@UnBCL@@UEBAPEAVString@2@XZ ?GetObjectID@Object@UnBCL@@UEBAIXZ ?CompareTo@Object@UnBCL@@UEBAHPEBV12@@Z ?Clone@Object@UnBCL@@UEBAPEAV12@XZ ??2Object@UnBCL@@SAPEAX_K@Z ??3Object@UnBCL@@SAXPEAX@Z ?AddRef@Object@UnBCL@@QEAAXXZ ?DecRef@Object@UnBCL@@QEAAHXZ ?SetLiteralStorage@_@UnBCL@@YAXPEAPEBVString@2@PEBG@Z ??0String@UnBCL@@QEAA@PEBG@Z ??1String@UnBCL@@UEAA@XZ ?Equals@String@UnBCL@@UEBAHPEBVObject@2@@Z ?GetHashCode@String@UnBCL@@UEBAHXZ ??1ArgumentNullException@UnBCL@@UEAA@XZ ?Clone@String@UnBCL@@UEBAPEAVObject@2@XZ ?CompareTo@String@UnBCL@@QEBAHPEBGH@Z ?CompareTo@String@UnBCL@@UEBAHPEBVObject@2@@Z ?get_Length@String@UnBCL@@QEBAHXZ ?get_CString@String@UnBCL@@QEBAPEBGXZ ?StartsWith@String@UnBCL@@QEBAHPEBGH@Z ?Remove@String@UnBCL@@QEBAPEAV12@HH@Z ?Substring@String@UnBCL@@QEBAPEAV12@HH@Z ?Compare@String@UnBCL@@SAHPEBG0H@Z ?Format@String@UnBCL@@SAPEAV12@PEBGZZ ?Combine@Path@UnBCL@@SAPEAVString@2@PEBV32@0@Z ?MemAllocFailed@Allocator@UnBCL@@SAHXZ ?ToString@Exception@UnBCL@@UEBAPEAVString@2@XZ ?get_InnerException@Exception@UnBCL@@UEBAPEBV12@XZ ?get_Message@Exception@UnBCL@@UEBAPEBVString@2@XZ ?get_Source@Exception@UnBCL@@UEBAPEBVString@2@XZ ?set_Source@Exception@UnBCL@@UEAAXPEBVString@2@@Z ?AddStackTrace@Exception@UnBCL@@QEAAXPEBD@Z ?GetBaseException@Exception@UnBCL@@UEBAPEBV12@XZ ?get_HResult@Exception@UnBCL@@UEBAJXZ ?set_HResult@Exception@UnBCL@@MEAAXJ@Z ?SetMessage@Exception@UnBCL@@MEAAXPEAVString@2@@Z ??0ArgumentNullException@UnBCL@@QEAA@PEBG@Z ??0NotSupportedException@UnBCL@@QEAA@PEBG@Z ??0ArgumentException@UnBCL@@QEAA@PEBG@Z ??0?$SmartPtr@VString@UnBCL@@@UnBCL@@QEAA@PEAVString@1@@Z ??1?$SmartPtr@VString@UnBCL@@@UnBCL@@UEAA@XZ ??4?$SmartPtr@VString@UnBCL@@@UnBCL@@QEAAAEAV01@AEBV01@@Z ??C?$SmartPtr@VString@UnBCL@@@UnBCL@@QEBAPEAVString@1@XZ ?get_P@?$SmartPtr@VString@UnBCL@@@UnBCL@@QEBAPEAVString@2@XZ ??0InvalidOperationException@UnBCL@@QEAA@PEBVString@1@PEAVException@1@@Z ??0InvalidOperationException@UnBCL@@QEAA@PEBG@Z ??0InvalidOperationException@UnBCL@@QEAA@PEBVString@1@@Z ??0ArgumentOutOfRangeException@UnBCL@@QEAA@PEBG@Z ?ToString@String@UnBCL@@UEBAPEAV12@XZ

ntdll

RtlCaptureContext RtlLookupFunctionEntry RtlVirtualUnwind RtlAllocateHeap RtlFreeHeap

advapi32

OpenProcessToken AdjustTokenPrivileges LookupPrivilegeValueW RegSetValueExW RegCreateKeyExW RegCloseKey

kernel32

WaitForSingleObject FindClose SetErrorMode GetModuleFileNameW ExpandEnvironmentStringsW GetCurrentProcess FindFirstFileNameW GetPrivateProfileStringW GetLastError CloseHandle FindNextFileNameW SetCurrentDirectoryW CreateProcessW GetExitCodeProcess Sleep GetStartupInfoW SetUnhandledExceptionFilter GetModuleHandleW QueryPerformanceCounter GetCurrentProcessId GetCurrentThreadId GetSystemTimeAsFileTime GetTickCount SetEvent CreateEventW UnhandledExceptionFilter OpenThread GetFullPathNameW GetFileAttributesW VirtualQuery FreeLibrary GetProcAddress GetSystemInfo RaiseException AcquireSRWLockExclusive ReleaseSRWLockExclusive LoadLibraryExA VirtualProtect TerminateProcess HeapFree SetLastError HeapAlloc GetProcessHeap CreateThread

user32

UnregisterHotKey PostThreadMessageW LoadStringW GetMessageW RegisterHotKey MessageBoxW

Name

.text

Size

37KB

Virtual Size

36KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

28KB

Virtual Size

28KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.data

Size

2KB

Virtual Size

3KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.pdata

Size

2KB

Virtual Size

1KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.didat

Size

512B

Virtual Size

32B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.rsrc

Size

85KB

Virtual Size

85KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.reloc

Size

1024B

Virtual Size

556B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

File Explorer

2026-06-04_389f9f5393cbc72c6e218334dc78235e_amadey_cobalt-strike_hijackloader_vidar_wannacry

msvcrt

wdscore

unbcl

ntdll

advapi32

kernel32

user32

generic