xworm | 2026-09-16_81c29213445372efddac4f99c2c7c404_cobalt-strike_glassworm_icedid_ryuk_satacom_stealc_vidar_xworm

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General

Target
2026-09-16_81c29213445372efddac4f99c2c7c404_cobalt-strike_glassworm_icedid_ryuk_satacom_stealc_vidar_xworm
Size 379KB
Sample260916-ynhetavepc
SHA256 f933cd29ec163ed55f00b7f8de800e13e50d4247da56cb52b0879d7620a9f528
MD5 81c29213445372efddac4f99c2c7c404
SHA1 4af64ff6047a2ad360de0450afa1bcae8d141ba2
SHA512 281c5b0bef6310017d8b96c2cbe7494b60818344bf54ea8b4c5fb792a970d49b9c1f3dd1d1f345e967b8f89d632b0328bc71001cb3a491593f9736c51989be3e
SSDEEP 6144:j+GYnA0zeWsDi5rJziQ8kV3f+RysMFZzN/E/msHlbMriqNsarwR:jYyDi5rNiQ7uysMFZzN/E/mseG7s0
TLSH
T1D1848C16F79408FDE4ABC57489A24556EA35788F1B31EAEF17C8422A2F237F04E39750
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

trojan rat xworm

Malware Config

Signatures

Family: Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm

Detect Xworm Payload 1 IoCs

resource	yara_rule
sample	family_xworm

Detects Windows executables referencing non-Windows User-Agents 1 IoCs

resource	yara_rule
sample	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2026-09-16_81c29213445372efddac4f99c2c7c404_cobalt-strike_glassworm_icedid_ryuk_satacom_stealc_vidar_xworm

File Explorer

2026-09-16_81c29213445372efddac4f99c2c7c404_cobalt-strike_glassworm_icedid_ryuk_satacom_stealc_vidar_xworm

.exe 379KB

2026-09-16_81c29213445372efddac4f99c2c7c404_cobalt-strike_glassworm_icedid_ryuk_satacom_stealc_vidar_xworm

IMPHASH 75d930149d98b9b34c55459c6a79b293
SHA256 f933cd29ec163ed55f00b7f8de800e13e50d4247da56cb52b0879d7620a9f528
MD5 81c29213445372efddac4f99c2c7c404
SHA1 4af64ff6047a2ad360de0450afa1bcae8d141ba2
SHA512 281c5b0bef6310017d8b96c2cbe7494b60818344bf54ea8b4c5fb792a970d49b9c1f3dd1d1f345e967b8f89d632b0328bc71001cb3a491593f9736c51989be3e
SSDEEP 6144:j+GYnA0zeWsDi5rJziQ8kV3f+RysMFZzN/E/msHlbMriqNsarwR:jYyDi5rNiQ7uysMFZzN/E/mseG7s0
TLSH
T1D1848C16F79408FDE4ABC57489A24556EA35788F1B31EAEF17C8422A2F237F04E39750
MD5 SHA1 SHA512 SSDEEP TLSH

windows:6 windows x64 arch:x64

Detect Xworm Payload
Detects Windows executables referencing non-Windows User-Agents
Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

108836

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_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LARGE_ADDRESS_AWARE

PDB paths

kernel32

AcquireSRWLockExclusive AreFileApisANSI BeginUpdateResourceA CloseHandle CopyFileA CreateDirectoryW CreateFileA CreateFileW CreateProcessW CreateThread DecodePointer DeleteCriticalSection DeleteFileW EncodePointer EndUpdateResourceA EnterCriticalSection EnumSystemLocalesW ExitProcess ExitThread FindClose FindFirstFileExW FindFirstFileW FindNextFileW FlsAlloc FlsFree FlsGetValue FlsSetValue FlushFileBuffers FormatMessageA FreeEnvironmentStringsW FreeLibrary FreeLibraryAndExitThread GetACP GetCPInfo GetCommandLineA GetCommandLineW GetConsoleMode GetConsoleOutputCP GetCurrentProcess GetCurrentProcessId GetCurrentThreadId GetDriveTypeA GetEnvironmentStringsW GetExitCodeThread GetFileAttributesA GetFileAttributesExW GetFileAttributesW GetFileInformationByHandleEx GetFileSizeEx GetFileType GetLastError GetLocaleInfoEx GetLocaleInfoW GetModuleFileNameA GetModuleFileNameW GetModuleHandleExW GetModuleHandleW GetOEMCP GetProcAddress GetProcessHeap GetStartupInfoW GetStdHandle GetStringTypeW GetSystemTimeAsFileTime GetTempPathW GetUserDefaultLCID HeapAlloc HeapFree HeapReAlloc HeapSize InitializeCriticalSectionAndSpinCount InitializeCriticalSectionEx InitializeSListHead IsDebuggerPresent IsProcessorFeaturePresent IsValidCodePage IsValidLocale LCMapStringEx LCMapStringW LeaveCriticalSection LoadLibraryExW LocalFree MultiByteToWideChar QueryPerformanceCounter RaiseException ReadConsoleW ReadFile ReleaseSRWLockExclusive RtlCaptureContext RtlLookupFunctionEntry RtlPcToFileHeader RtlUnwind RtlUnwindEx RtlVirtualUnwind SetEndOfFile SetFileAttributesW SetFilePointer SetFilePointerEx SetLastError SetStdHandle SetUnhandledExceptionFilter TerminateProcess TlsAlloc TlsFree TlsGetValue TlsSetValue TryAcquireSRWLockExclusive UnhandledExceptionFilter UpdateResourceW VirtualProtect WaitForSingleObjectEx WakeAllConditionVariable WideCharToMultiByte WriteConsoleW WriteFile

advapi32

RegCloseKey RegCreateKeyExA RegSetValueExA

shell32

CommandLineToArgvW ExtractIconExA SHGetFolderPathA SHGetFolderPathW

user32

DestroyIcon GetIconInfo

gdi32

DeleteObject GetBitmapBits GetObjectW

Name

.text

Size

213KB

Virtual Size

212KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

139KB

Virtual Size

138KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.data

Size

5KB

Virtual Size

11KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.pdata

Size

12KB

Virtual Size

12KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.fptable

Size

512B

Virtual Size

256B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.retplne

Size

512B

Virtual Size

200B

Characteristics

Name

_RDATA

Size

512B

Virtual Size

500B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.rsrc

Size

512B

Virtual Size

412B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.reloc

Size

2KB

Virtual Size

2KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

File Explorer

2026-09-16_81c29213445372efddac4f99c2c7c404_cobalt-strike_glassworm_icedid_ryuk_satacom_stealc_vidar_xworm

kernel32

advapi32

shell32

user32

gdi32

generic