cstealer | 2026-07-12_ef57257363dcd7141e3ef8c63e27b82a_blankgrabber_cobalt-strike_glassworm_icedid_njrat_satacom

Sharing

Copy URL Twitter E-mail

General

Target
2026-07-12_ef57257363dcd7141e3ef8c63e27b82a_blankgrabber_cobalt-strike_glassworm_icedid_njrat_satacom
Size 19.2MB
Sample260712-xplcesfx4j
SHA256 a9ce3c3cd72ecf40f91d08060b66dd2fa1327a685a44d0bd46e227f265d3697a
MD5 ef57257363dcd7141e3ef8c63e27b82a
SHA1 85cb9183313ee9e51b6d1bdfb6f5aecf6d3f0663
SHA512 fc90b9e2192743a891bfed3e868345b14322c2aa09929c1c9c9477066f2e76fa5a6b13e0b16db4202b0eeee5c2b8c0235693f89b3233120533bf270c2b1a363b
SSDEEP 393216:T85vz3ip6no63hucn1+TtIiF6CuARuA2LcFXmbetH41AJhwokNVsSNUUcS:w5vz1J3hrn1QtILCuAj8gH4yw3NumUw
TLSH
T1A31733FA12A104DBE8F6513A43EAC0BDD721E99AC761D5CF07902D536E5BAE4083BF50
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

pyinstaller stealer cstealer

Malware Config

Signatures

Family: CStealer
CStealer is an open-source infostealer written in Python and packaged with PyInstaller.
stealer cstealer

An open-source infostealer written in Python and packaged with PyInstaller. 1 IoCs

resource	yara_rule
static1/unpack001/rx.pyc	cstealer

Detects Pyinstaller 1 IoCs

pyinstaller

resource	yara_rule
sample	pyinstaller

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2026-07-12_ef57257363dcd7141e3ef8c63e27b82a_blankgrabber_cobalt-strike_glassworm_icedid_njrat_satacom

File Explorer

2026-07-12_ef57257363dcd7141e3ef8c63e27b82a_blankgrabber_cobalt-strike_glassworm_icedid_njrat_satacom

.exe 19.2MB
rx.pyc

167KB

2026-07-12_ef57257363dcd7141e3ef8c63e27b82a_blankgrabber_cobalt-strike_glassworm_icedid_njrat_satacom

IMPHASH cf72283be50852e418ce6bbb6b645835
SHA256 a9ce3c3cd72ecf40f91d08060b66dd2fa1327a685a44d0bd46e227f265d3697a
MD5 ef57257363dcd7141e3ef8c63e27b82a
SHA1 85cb9183313ee9e51b6d1bdfb6f5aecf6d3f0663
SHA512 fc90b9e2192743a891bfed3e868345b14322c2aa09929c1c9c9477066f2e76fa5a6b13e0b16db4202b0eeee5c2b8c0235693f89b3233120533bf270c2b1a363b
SSDEEP 393216:T85vz3ip6no63hucn1+TtIiF6CuARuA2LcFXmbetH41AJhwokNVsSNUUcS:w5vz1J3hrn1QtILCuAj8gH4yw3NumUw
TLSH
T1A31733FA12A104DBE8F6513A43EAC0BDD721E99AC761D5CF07902D536E5BAE4083BF50
MD5 SHA1 SHA512 SSDEEP TLSH

windows:6 windows x64 arch:x64

Detects Pyinstaller

pyinstaller
Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

57632

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

PDB paths

user32

CreateWindowExW ShutdownBlockReasonCreate MsgWaitForMultipleObjects ShowWindow DestroyWindow RegisterClassW DefWindowProcW PeekMessageW DispatchMessageW TranslateMessage GetMonitorInfoW MonitorFromPoint GetCursorPos GetSystemMetrics PostMessageW GetMessageW MessageBoxW MessageBoxA SystemParametersInfoW DestroyIcon SetWindowLongPtrW GetWindowLongPtrW GetClientRect InvalidateRect ReleaseDC GetDC DrawTextW GetDialogBaseUnits EndDialog DialogBoxIndirectParamW MoveWindow SendMessageW

comctl32

ord380

kernel32

GetACP IsValidCodePage GetStringTypeW GetFileAttributesExW SetEnvironmentVariableW FlushFileBuffers LCMapStringW CompareStringW VirtualProtect GetCurrentDirectoryW HeapAlloc GetFileSizeEx GetConsoleOutputCP GetOEMCP GetCPInfo GetLastError FreeLibrary GetProcAddress LoadLibraryExW GetModuleHandleW MulDiv FormatMessageW GetModuleFileNameW GetEnvironmentStringsW CreateSymbolicLinkW SetErrorMode CreateDirectoryW GetCommandLineW GetEnvironmentVariableW ExpandEnvironmentStringsW DeleteFileW FindClose FindFirstFileW FindNextFileW GetDriveTypeW RemoveDirectoryW GetTempPathW CloseHandle QueryPerformanceCounter QueryPerformanceFrequency WaitForSingleObject Sleep GetCurrentProcess TerminateProcess GetExitCodeProcess CreateProcessW GetStartupInfoW LocalFree SetConsoleCtrlHandler K32EnumProcessModules K32GetModuleFileNameExW CreateFileW FindFirstFileExW GetFinalPathNameByHandleW MultiByteToWideChar WideCharToMultiByte SetFilePointerEx FreeEnvironmentStringsW GetProcessHeap GetTimeZoneInformation HeapSize HeapReAlloc WriteConsoleW SetEndOfFile SetDllDirectoryW GetCurrentProcessId GetCurrentThreadId GetSystemTimeAsFileTime InitializeSListHead SetUnhandledExceptionFilter RtlUnwindEx SetLastError FlsAlloc FlsGetValue FlsSetValue FlsFree EnterCriticalSection LeaveCriticalSection InitializeCriticalSectionEx DeleteCriticalSection RtlLookupFunctionEntry EncodePointer RaiseException RtlPcToFileHeader GetCommandLineA GetFileInformationByHandle GetFileType PeekNamedPipe SystemTimeToTzSpecificLocalTime FileTimeToSystemTime ReadFile GetFullPathNameW SetStdHandle GetStdHandle WriteFile ExitProcess GetModuleHandleExW IsProcessorFeaturePresent RtlCaptureContext RtlVirtualUnwind IsDebuggerPresent UnhandledExceptionFilter HeapFree GetConsoleMode ReadConsoleW

advapi32

OpenProcessToken GetTokenInformation ConvertStringSecurityDescriptorToSecurityDescriptorW ConvertSidToStringSidW

gdi32

SelectObject DeleteObject CreateFontIndirectW

Name

.text

Size

178KB

Virtual Size

177KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

79KB

Virtual Size

79KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.data

Size

3KB

Virtual Size

18KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.pdata

Size

9KB

Virtual Size

9KB

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

.rsrc

Size

6KB

Virtual Size

5KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.reloc

Size

2KB

Virtual Size

1KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

File Explorer

2026-07-12_ef57257363dcd7141e3ef8c63e27b82a_blankgrabber_cobalt-strike_glassworm_icedid_njrat_satacom

user32

comctl32

kernel32

advapi32

gdi32

generic

rx.pyc