xworm | fbb90d6bf806721e5a15b84dda0e0438272e2dba81bdf7d3eb55f490d4419ab2[.]bin

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General

Target
fbb90d6bf806721e5a15b84dda0e0438272e2dba81bdf7d3eb55f490d4419ab2.bin
Size 426KB
Sample260809-29knvaxcjb
SHA256 fbb90d6bf806721e5a15b84dda0e0438272e2dba81bdf7d3eb55f490d4419ab2
MD5 0853f4ab5af04d54636bb30c2925cbd5
SHA1 b862ef7d9c17ac82e25c6769101e62b0785845e1
SHA512 1443813325640ad35527acad838ced2e73e13e59f1a1774372360cd18063b7de682795a8b526e0e2395c8463bd467b06d90cdf253bb349ac8900d8fd7c20549f
SSDEEP 6144:p+GYnA0zeWsDi5rJziQ8kV3f+RysMFZzN/E/msHOtbMrJW8sIrwl7k/a4b:pYyDi5rNiQ7uysMFZzN/E/msumlkeRyA
TLSH
T14794AE06F74408F9E49BC57489A355469A397C8B0B71FAEF1BC8422A1F337E08E39759
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

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
fbb90d6bf806721e5a15b84dda0e0438272e2dba81bdf7d3eb55f490d4419ab2.bin

File Explorer

fbb90d6bf806721e5a15b84dda0e0438272e2dba81bdf7d3eb55f490d4419ab2.bin

.exe 426KB

fbb90d6bf806721e5a15b84dda0e0438272e2dba81bdf7d3eb55f490d4419ab2.bin

IMPHASH 75d930149d98b9b34c55459c6a79b293
SHA256 fbb90d6bf806721e5a15b84dda0e0438272e2dba81bdf7d3eb55f490d4419ab2
MD5 0853f4ab5af04d54636bb30c2925cbd5
SHA1 b862ef7d9c17ac82e25c6769101e62b0785845e1
SHA512 1443813325640ad35527acad838ced2e73e13e59f1a1774372360cd18063b7de682795a8b526e0e2395c8463bd467b06d90cdf253bb349ac8900d8fd7c20549f
SSDEEP 6144:p+GYnA0zeWsDi5rJziQ8kV3f+RysMFZzN/E/msHOtbMrJW8sIrwl7k/a4b:pYyDi5rNiQ7uysMFZzN/E/msumlkeRyA
TLSH
T14794AE06F74408F9E49BC57489A355469A397C8B0B71FAEF1BC8422A1F337E08E39759
MD5 SHA1 SHA512 SSDEEP TLSH

windows:6 windows x64 arch:x64

Detect Xworm Payload
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

2KB

Virtual Size

1KB

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

fbb90d6bf806721e5a15b84dda0e0438272e2dba81bdf7d3eb55f490d4419ab2.bin

kernel32

advapi32

shell32

user32

gdi32

generic