2026-09-07_e8b27dcc3d38dfcb1a63ee0729b802b7_cobalt-strike_dosia_luca-stealer_quasar-rat

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General

Target
2026-09-07_e8b27dcc3d38dfcb1a63ee0729b802b7_cobalt-strike_dosia_luca-stealer_quasar-rat
Size 4.9MB
Sample260908-dakb2acf66
SHA256 134779cf7dc7c9e6b3f3de42a3e8ace6b0c31483fe07952b427123af445c95d0
MD5 e8b27dcc3d38dfcb1a63ee0729b802b7
SHA1 f22ea1d2b2dc9eca5e8230f944b7229c8927ea4c
SHA512 d785f40494765b2e80d916ad5e3ac9fe317ec74c4085ba2a18137cee5f715f75577ff4e753171a7ff342c5c4fa9d5aed11b88f02e41946067435bec451a9183c
SSDEEP 98304:PFGd68EFMIM0f8ARXaxa6kR5XbEgEk4Br:PBrFxM0f9RK9c5Yl
TLSH
T13836F047B89040FAC5AED134896A5222BA707C950F3117D73B51B3F82FB2BE86E79354
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2026-09-07_e8b27dcc3d38dfcb1a63ee0729b802b7_cobalt-strike_dosia_luca-stealer_quasar-rat

File Explorer

2026-09-07_e8b27dcc3d38dfcb1a63ee0729b802b7_cobalt-strike_dosia_luca-stealer_quasar-rat

.exe 4.9MB

2026-09-07_e8b27dcc3d38dfcb1a63ee0729b802b7_cobalt-strike_dosia_luca-stealer_quasar-rat

IMPHASH 29c78be06b08f1034fb52a93199307ff
SHA256 134779cf7dc7c9e6b3f3de42a3e8ace6b0c31483fe07952b427123af445c95d0
MD5 e8b27dcc3d38dfcb1a63ee0729b802b7
SHA1 f22ea1d2b2dc9eca5e8230f944b7229c8927ea4c
SHA512 d785f40494765b2e80d916ad5e3ac9fe317ec74c4085ba2a18137cee5f715f75577ff4e753171a7ff342c5c4fa9d5aed11b88f02e41946067435bec451a9183c
SSDEEP 98304:PFGd68EFMIM0f8ARXaxa6kR5XbEgEk4Br:PBrFxM0f9RK9c5Yl
TLSH
T13836F047B89040FAC5AED134896A5222BA707C950F3117D73B51B3F82FB2BE86E79354
MD5 SHA1 SHA512 SSDEEP TLSH

windows:6 windows x64 arch:x64

Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

5296

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_LINE_NUMS_STRIPPED IMAGE_FILE_LOCAL_SYMS_STRIPPED IMAGE_FILE_LARGE_ADDRESS_AWARE IMAGE_FILE_DEBUG_STRIPPED

PDB paths

kernel32

AddVectoredExceptionHandler CloseHandle CreateEventA CreateFileA CreateIoCompletionPort CreateThread CreateWaitableTimerExW DeleteCriticalSection DuplicateHandle EnterCriticalSection ExitProcess FreeEnvironmentStringsW FreeLibrary GetConsoleMode GetCurrentProcess GetCurrentProcessId GetCurrentThreadId GetEnvironmentStringsW GetLastError GetProcAddress GetProcessAffinityMask GetProcessHeap GetQueuedCompletionStatusEx GetStartupInfoA GetStdHandle GetSystemDirectoryA GetSystemInfo GetSystemTimeAsFileTime GetThreadContext GetThreadLocale GetTickCount HeapAlloc HeapFree InitializeCriticalSection IsBadReadPtr LeaveCriticalSection LoadLibraryA LoadLibraryW PostQueuedCompletionStatus QueryPerformanceCounter ResumeThread RtlAddFunctionTable RtlCaptureContext RtlLookupFunctionEntry RtlVirtualUnwind SetConsoleCtrlHandler SetErrorMode SetEvent SetLastError SetProcessPriorityBoost SetThreadContext SetUnhandledExceptionFilter SetWaitableTimer Sleep SuspendThread SwitchToThread TerminateProcess TlsAlloc TlsGetValue UnhandledExceptionFilter VirtualAlloc VirtualFree VirtualProtect VirtualQuery WaitForMultipleObjects WaitForSingleObject WriteConsoleW WriteFile __C_specific_handler lstrlenA

msvcrt

__getmainargs __initenv __iob_func __lconv_init __set_app_type __setusermatherr _acmdln _amsg_exit _beginthread _cexit _errno _fmode _initterm _onexit _stricmp abort calloc exit fprintf free fwrite malloc memcpy memset realloc signal strlen strncmp strtol vfprintf wcstombs

Name

.text

Size

664KB

Virtual Size

664KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.data

Size

3.2MB

Virtual Size

3.2MB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.rdata

Size

696KB

Virtual Size

696KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.pdata

Size

4KB

Virtual Size

4KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.xdata

Size

4KB

Virtual Size

4KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.bss

Size

360KB

Virtual Size

360KB

Characteristics

IMAGE_SCN_CNT_UNINITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.edata

Size

4KB

Virtual Size

4KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.idata

Size

4KB

Virtual Size

4KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.CRT

Size

4KB

Virtual Size

4KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.tls

Size

4KB

Virtual Size

4KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.reloc

Size

16KB

Virtual Size

16KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

File Explorer

2026-09-07_e8b27dcc3d38dfcb1a63ee0729b802b7_cobalt-strike_dosia_luca-stealer_quasar-rat

kernel32

msvcrt

generic