2024-06-12_fe40bcc90b9cf02ade67d36b42a3ba20_avoslocker_cobalt-strike

Sharing

Copy URL Twitter E-mail

General

Target
2024-06-12_fe40bcc90b9cf02ade67d36b42a3ba20_avoslocker_cobalt-strike
Size 472KB
Sample240612-frxpss1gnl
SHA256 c4af876e683ec49f81170b2091e563008f542c434819dcda0aa6508e52da9339
MD5 fe40bcc90b9cf02ade67d36b42a3ba20
SHA1 5fae5c7b87d09fb9bfd78d429426b096ceb345a2
SHA512 9e0c35e398873af006dad72901884bea2d4918894188736b9559bef9fff10fa4b7bf25995764d8ad17461821a8a238cb58f3bbb3a9e3d9312f07e3d19a6a4e6f
SSDEEP 12288:c1vKpgoIWgqAyymyzIunr1a8Fp/iKMsDAoauQ:uvKCoBlymSDakyspaV
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-06-12_fe40bcc90b9cf02ade67d36b42a3ba20_avoslocker_cobalt-strike

File Explorer

2024-06-12_fe40bcc90b9cf02ade67d36b42a3ba20_avoslocker_cobalt-strike

.exe 472KB

2024-06-12_fe40bcc90b9cf02ade67d36b42a3ba20_avoslocker_cobalt-strike

IMPHASH acac4f024915fbce13bcbe214016f740
SHA256 c4af876e683ec49f81170b2091e563008f542c434819dcda0aa6508e52da9339
MD5 fe40bcc90b9cf02ade67d36b42a3ba20
SHA1 5fae5c7b87d09fb9bfd78d429426b096ceb345a2
SHA512 9e0c35e398873af006dad72901884bea2d4918894188736b9559bef9fff10fa4b7bf25995764d8ad17461821a8a238cb58f3bbb3a9e3d9312f07e3d19a6a4e6f
SSDEEP 12288:c1vKpgoIWgqAyymyzIunr1a8Fp/iKMsDAoauQ:uvKCoBlymSDakyspaV
MD5 SHA1 SHA512 SSDEEP

Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

94624

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

DLL Characteristics

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_32BIT_MACHINE

PDB paths

O:\webex-windows-plugin\output\i386\bin\Release\webex.pdb

kernel32

GetUserGeoID GetUserDefaultLCID SetThreadUILanguage GetThreadUILanguage DecodePointer RaiseException InitializeCriticalSectionEx lstrlenW MultiByteToWideChar WideCharToMultiByte MapViewOfFile UnmapViewOfFile CreateFileMappingA SetLastError LocalFree FormatMessageW WaitForSingleObject Sleep CreateThread TerminateThread GetFileSize ReadFile SetFilePointer GetVersionExW FreeLibrary GetProcAddress LoadLibraryW lstrcpynW GetSystemDefaultLangID CreateProcessA GetNativeSystemInfo SetEvent CreateEventW OpenEventW LCIDToLocaleName GetLocaleInfoEx GetCurrentProcess CreateProcessW IsProcessInJob FindResourceExW FreeResource LoadResource LockResource CreateFileW GetConsoleMode GetGeoInfoA SetFilePointerEx GetLocalTime SetStdHandle GetProcessHeap FreeEnvironmentStringsW GetEnvironmentStringsW GetCommandLineW GetOEMCP GetACP IsValidCodePage FindNextFileW FindFirstFileExW FindClose HeapReAlloc GetFileType HeapAlloc HeapFree GetStdHandle GetModuleFileNameW GetModuleHandleExW ExitProcess GetFileAttributesExW QueryPerformanceFrequency LoadLibraryExW RtlUnwind OutputDebugStringW WriteConsoleW InitializeSListHead QueryPerformanceCounter GetStartupInfoW IsDebuggerPresent WaitForSingleObjectEx ResetEvent IsProcessorFeaturePresent TerminateProcess SetUnhandledExceptionFilter UnhandledExceptionFilter GetStringTypeW LCMapStringW GetModuleHandleW GetModuleFileNameA GetSystemTimeAsFileTime CreateMutexW GetLastError GetTempFileNameA GetConsoleOutputCP GetCommandLineA TlsFree TlsSetValue TlsGetValue GetCurrentThreadId GetCurrentProcessId DeleteCriticalSection LeaveCriticalSection EnterCriticalSection InitializeCriticalSection CloseHandle GetTempPathA WriteFile FlushFileBuffers CreateFileA HeapSize SetDefaultDllDirectories GetSystemInfo VirtualProtect VirtualQuery LoadLibraryExA EncodePointer GetCPInfo InitializeCriticalSectionAndSpinCount TlsAlloc

user32

LoadImageW GetClientRect GetWindowTextW DrawTextW DialogBoxParamW ChangeWindowMessageFilterEx LoadIconW LoadCursorW GetWindowThreadProcessId SetWindowLongW GetWindowLongW SetCursor GetWindowRect SetWindowTextW SetWindowTextA SetPropW SetPropA SetForegroundWindow GetForegroundWindow SetActiveWindow UpdateWindow KillTimer SetTimer SetFocus DefDlgProcW GetDlgItem CreateDialogParamW BringWindowToTop IsWindowVisible SetWindowPos ShowWindow DestroyWindow CreateWindowExW RegisterClassW AttachThreadInput SendMessageW FindWindowExA GetDesktopWindow WaitForInputIdle GetMonitorInfoW MonitorFromPoint GetCursorPos ReleaseDC GetDC PostQuitMessage PostMessageW LoadStringW DispatchMessageW TranslateMessage GetMessageW MessageBoxExW

gdi32

SelectObject GetTextExtentPoint32W GetStockObject DeleteObject GetDeviceCaps CreateFontIndirectW SetTextColor

shell32

SHGetFolderPathA ShellExecuteW

advapi32

CryptDestroyHash CryptReleaseContext RegQueryValueExW RegOpenKeyExW RegCloseKey ConvertStringSecurityDescriptorToSecurityDescriptorW CryptAcquireContextW CryptHashData CryptCreateHash CryptGetHashParam

comctl32

InitCommonControlsEx

Name

.text

Size

184KB

Virtual Size

183KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

73KB

Virtual Size

73KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.data

Size

8KB

Virtual Size

12KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.didat

Size

512B

Virtual Size

76B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.tls

Size

512B

Virtual Size

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.rsrc

Size

191KB

Virtual Size

191KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.reloc

Size

12KB

Virtual Size

12KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

File Explorer

2024-06-12_fe40bcc90b9cf02ade67d36b42a3ba20_avoslocker_cobalt-strike

kernel32

user32

gdi32

shell32

advapi32

comctl32

generic