2026-07-30_b5247b202aa2cb77386baba3def48d82_cobalt-strike_luca-stealer

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General

Target
2026-07-30_b5247b202aa2cb77386baba3def48d82_cobalt-strike_luca-stealer
Size 2.0MB
Sample260730-qsdnessycs
SHA256 a82c56fab28cd935e2b6b792c4df0712dc49bc5ad924116438280420a7491eca
MD5 b5247b202aa2cb77386baba3def48d82
SHA1 297388862d7f876b132ed5a9c13e59f947eff976
SHA512 18435b1bec9a33db64a8a36a5e576da65264a3d76812829d002cec83377dfc0bb08558ac349b065b2475e10c4fab6bbc5678576129ed170b75efbd54f0ca723f
SSDEEP 49152:OAvPuvudKeurb/T3vO90d7HjmAFd4A64nsfJifD1C/ln5guuVn1W1:xpKeRk1U
TLSH
T112A54A47BD8040F5C5AE8231896583A57730BC980F3067D73E90BBBA2EB67D85E79358
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

Malware Config

Signatures

Untrusted Codesign Signers 1 IoCs

Codesigned file was signed by an untrusted entity.

resource
2026-07-30_b5247b202aa2cb77386baba3def48d82_cobalt-strike_luca-stealer

File Explorer

2026-07-30_b5247b202aa2cb77386baba3def48d82_cobalt-strike_luca-stealer

.exe 2.0MB

2026-07-30_b5247b202aa2cb77386baba3def48d82_cobalt-strike_luca-stealer

IMPHASH e80d64fd3c98f8ac7317bb90165e6123
SHA256 a82c56fab28cd935e2b6b792c4df0712dc49bc5ad924116438280420a7491eca
MD5 b5247b202aa2cb77386baba3def48d82
SHA1 297388862d7f876b132ed5a9c13e59f947eff976
SHA512 18435b1bec9a33db64a8a36a5e576da65264a3d76812829d002cec83377dfc0bb08558ac349b065b2475e10c4fab6bbc5678576129ed170b75efbd54f0ca723f
SSDEEP 49152:OAvPuvudKeurb/T3vO90d7HjmAFd4A64nsfJifD1C/ln5guuVn1W1:xpKeRk1U
TLSH
T112A54A47BD8040F5C5AE8231896583A57730BC980F3067D73E90BBBA2EB67D85E79358
MD5 SHA1 SHA512 SSDEEP TLSH

Untrusted Codesign Signers

Codesigned file was signed by an untrusted entity.

PE Signature issue

Digest

25:d9:54:0e:77:b8:be:1d:61:c4:1a:19:80:20:35:75:1a:42:bc:78:64:e4:49:36:21:29:41:58:33:c1:1b:a9

Digest Algorithm

sha256

PE Digests Matches

Trusted

Not trusted

Signing Certificate

CN=Folder Backup,OU=Digital Products,O=BrightView Utilities Group,L=London,C=GB

Chains

Jul 18, 2026

CN=Folder Backup,OU=Digital Products,O=BrightView Utilities Group,L=London,C=GB

PE Signature issue

Digest

b0:d4:40:ec:8a:06:8f:ee:30:c3:70:de:03:03:a4:a7:e6:95:3a:97

Digest Algorithm

sha1

PE Digests Matches

Trusted

Not trusted

Signing Certificate

CN=Folder Backup,OU=Digital Products,O=BrightView Utilities Group,L=London,C=GB

Chains

Jul 18, 2026

CN=Folder Backup,OU=Digital Products,O=BrightView Utilities Group,L=London,C=GB

Subject

CN=Folder Backup,OU=Digital Products,O=BrightView Utilities Group,L=London,C=GB

Serial Number

4a:c8:ce:df:ac:49:ad:bf:44:5e:e6:9b:0f:2c:7f:7d

Issuer

CN=Folder Backup,OU=Digital Products,O=BrightView Utilities Group,L=London,C=GB

Key Usages

KeyUsageDigitalSignature

Ext Key Usages

ExtKeyUsageCodeSigning

Timespan

Jul 18, 2026 - Jul 18, 2031

Subject

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Serial Number

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5a

Issuer

CN=DigiCert Assured ID Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Key Usages

KeyUsageDigitalSignature, KeyUsageCertSign, KeyUsageCRLSign

Revocation Status

Not revoked

Timespan

Aug 1, 2022 - Nov 9, 2031

Subject

CN=DigiCert Trusted G4 TimeStamping RSA4096 SHA256 2025 CA1,O=DigiCert\, Inc.,C=US

Serial Number

0d:c7:ac:57:05:ff:21:99:2e:40:43:22:0c:3a:49:86

Issuer

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Key Usages

KeyUsageDigitalSignature, KeyUsageCertSign, KeyUsageCRLSign

Ext Key Usages

ExtKeyUsageTimeStamping

Revocation Status

Not revoked

Timespan

May 7, 2025 - Jan 14, 2038

Subject

CN=DigiCert SHA256 RSA4096 Timestamp Responder 2025 1,O=DigiCert\, Inc.,C=US

Serial Number

0a:80:ef:18:4b:8d:f1:05:82:d1:c4:76:a7:95:74:68

Issuer

CN=DigiCert Trusted G4 TimeStamping RSA4096 SHA256 2025 CA1,O=DigiCert\, Inc.,C=US

Key Usages

KeyUsageDigitalSignature

Ext Key Usages

ExtKeyUsageTimeStamping

Revocation Status

Not revoked

Timespan

Jun 4, 2025 - Sep 3, 2036

Minor OS version

Major OS version

Entry point

4342

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

advapi32

GetTokenInformation GetUserNameA OpenProcessToken RegCloseKey RegOpenKeyExA

comctl32

InitCommonControlsEx

crypt32

CertCloseStore CertOpenSystemStoreA

dwmapi

DwmIsCompositionEnabled

gdi32

CreateCompatibleDC DeleteDC GetDeviceCaps GetStockObject

imm32

ImmGetDefaultIMEWnd

iphlpapi

GetAdaptersInfo

kernel32

AddVectoredExceptionHandler CloseHandle CreateEventA CreateFileA CreateIoCompletionPort CreateThread CreateWaitableTimerExW DeleteCriticalSection DuplicateHandle EnterCriticalSection ExitProcess FreeEnvironmentStringsA FreeEnvironmentStringsW FreeLibrary GetComputerNameA GetConsoleMode GetCurrentProcess GetCurrentProcessId GetCurrentThreadId GetDriveTypeA GetEnvironmentStrings GetEnvironmentStringsW GetEnvironmentVariableA GetLastError GetLocalTime GetLocaleInfoA GetModuleFileNameA GetModuleHandleA GetNativeSystemInfo GetProcAddress GetProcessAffinityMask GetQueuedCompletionStatusEx GetStdHandle GetSystemDirectoryA GetSystemInfo GetSystemTime GetSystemTimes GetTempPathA GetThreadContext GetTickCount GlobalMemoryStatus InitializeCriticalSection IsWow64Process K32GetProcessMemoryInfo LeaveCriticalSection LoadLibraryA LoadLibraryW PostQueuedCompletionStatus QueryPerformanceCounter ResumeThread SearchPathA SetConsoleCtrlHandler SetErrorMode SetEvent SetProcessPriorityBoost SetThreadContext SetUnhandledExceptionFilter SetWaitableTimer Sleep SuspendThread SwitchToThread TlsAlloc TlsGetValue VirtualAlloc VirtualFree VirtualProtect VirtualQuery WaitForMultipleObjects WaitForSingleObject WriteConsoleW WriteFile __C_specific_handler

api-ms-win-crt-environment-l1-1-0

__p__environ __p__wenviron

api-ms-win-crt-heap-l1-1-0

_set_new_mode calloc free malloc

api-ms-win-crt-math-l1-1-0

__setusermatherr

api-ms-win-crt-private-l1-1-0

memcpy

api-ms-win-crt-runtime-l1-1-0

__p___argc __p___argv __p___wargv _beginthread _cexit _configure_narrow_argv _configure_wide_argv _crt_at_quick_exit _crt_atexit _errno _exit _initialize_narrow_environment _initialize_wide_environment _initterm _set_app_type _set_invalid_parameter_handler abort exit signal

api-ms-win-crt-stdio-l1-1-0

__acrt_iob_func __p__commode __p__fmode __stdio_common_vfprintf __stdio_common_vfwprintf fwrite

api-ms-win-crt-string-l1-1-0

strlen strncmp

api-ms-win-crt-time-l1-1-0

__daylight __timezone __tzname _tzset

ole32

CoInitializeEx CoUninitialize

oleaut32

SysAllocString SysFreeString SysStringLen

powrprof

GetActivePwrScheme

shell32

SHGetFolderPathA

shlwapi

PathFindFileNameA PathIsDirectoryA

user32

GetAsyncKeyState GetCursorPos GetDC GetDesktopWindow GetKeyboardType GetSystemMetrics GetWindowRect MonitorFromPoint ReleaseDC

uxtheme

GetThemeAppProperties IsAppThemed

version

GetFileVersionInfoSizeA

wininet

InternetCloseHandle InternetOpenA

winmm

timeGetTime waveOutGetNumDevs

winspool.drv

EnumPrintersA

ws2_32

WSACleanup WSAStartup

Name

.text

Size

737KB

Virtual Size

737KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.data

Size

258KB

Virtual Size

257KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.rdata

Size

751KB

Virtual Size

751KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.eh_fram

Size

512B

Virtual Size

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.pdata

Size

1024B

Virtual Size

864B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.xdata

Size

1024B

Virtual Size

856B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.bss

Size

Virtual Size

353KB

Characteristics

IMAGE_SCN_CNT_UNINITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.edata

Size

512B

Virtual Size

78B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.idata

Size

7KB

Virtual Size

7KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.CRT

Size

512B

Virtual Size

96B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.tls

Size

512B

Virtual Size

16B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.reloc

Size

14KB

Virtual Size

13KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Name

.rsrc

Size

275KB

Virtual Size

274KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

File Explorer

2026-07-30_b5247b202aa2cb77386baba3def48d82_cobalt-strike_luca-stealer

PE Signature issue

PE Signature issue

advapi32

comctl32

crypt32

dwmapi

gdi32

imm32

iphlpapi

kernel32

api-ms-win-crt-environment-l1-1-0

api-ms-win-crt-heap-l1-1-0

api-ms-win-crt-math-l1-1-0

api-ms-win-crt-private-l1-1-0

api-ms-win-crt-runtime-l1-1-0

api-ms-win-crt-stdio-l1-1-0

api-ms-win-crt-string-l1-1-0

api-ms-win-crt-time-l1-1-0

ole32

oleaut32

powrprof

shell32

shlwapi

user32

uxtheme

version

wininet

winmm

winspool.drv

ws2_32

generic