O:\webex-windows-plugin\output\i386\bin\Release\webex.pdb
Static task
static1
Behavioral task
behavioral1
Sample
2024-06-12_4cb38fddc9e1a777bf1cbdd67ac4636a_avoslocker_cobalt-strike.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-06-12_4cb38fddc9e1a777bf1cbdd67ac4636a_avoslocker_cobalt-strike.exe
Resource
win10v2004-20240611-en
General
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Target
2024-06-12_4cb38fddc9e1a777bf1cbdd67ac4636a_avoslocker_cobalt-strike
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Size
432KB
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MD5
4cb38fddc9e1a777bf1cbdd67ac4636a
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SHA1
9d82f467ca7a61191e7ed05f3d97ab297b24d927
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SHA256
c5a3255d5f8d109e2c2bf52ee84ad25124e072831be84fae5534602269f31059
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SHA512
2ac7464b7d0adb29f22b031d42ddec3c3f2272ed4dfc0cab547a622325fa143509289f66135f0938c314a8eb1f5f749200210eed8d8a6df424caedcd66f76394
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SSDEEP
12288:I0uOI8WA+v9xPVIYumJUs+L4pMsD6Kcks:I09P09xtIXzL4Osgz
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-06-12_4cb38fddc9e1a777bf1cbdd67ac4636a_avoslocker_cobalt-strike
Files
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2024-06-12_4cb38fddc9e1a777bf1cbdd67ac4636a_avoslocker_cobalt-strike.exe windows:6 windows x86 arch:x86
2183ad97dff18ab0d0dd044c5b32228f
Headers
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
Imports
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
CreateFileW
GetConsoleMode
GetConsoleOutputCP
SetFilePointerEx
GetGeoInfoA
HeapReAlloc
GetLocalTime
GetStringTypeW
SetStdHandle
GetProcessHeap
LCMapStringW
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCommandLineW
GetCPInfo
GetOEMCP
GetACP
IsValidCodePage
FindNextFileW
FindFirstFileExW
FindClose
GetFileType
HeapAlloc
HeapFree
GetStdHandle
GetModuleFileNameW
GetModuleHandleExW
ExitProcess
QueryPerformanceFrequency
LoadLibraryExW
TlsFree
WriteConsoleW
TlsSetValue
TlsGetValue
TlsAlloc
EncodePointer
RtlUnwind
GetModuleHandleW
GetModuleFileNameA
GetSystemTimeAsFileTime
CreateMutexW
GetLastError
GetTempFileNameA
GetCommandLineA
OutputDebugStringW
InitializeSListHead
QueryPerformanceCounter
GetStartupInfoW
GetCurrentThreadId
GetCurrentProcessId
DeleteCriticalSection
LeaveCriticalSection
EnterCriticalSection
InitializeCriticalSection
CloseHandle
GetTempPathA
WriteFile
FlushFileBuffers
CreateFileA
HeapSize
SetDefaultDllDirectories
GetSystemInfo
VirtualProtect
VirtualQuery
LoadLibraryExA
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
InitializeCriticalSectionAndSpinCount
ResetEvent
WaitForSingleObjectEx
IsDebuggerPresent
user32
ChangeWindowMessageFilterEx
LoadIconW
LoadCursorW
GetWindowThreadProcessId
SetWindowLongW
GetWindowLongW
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
MessageBoxExW
PostQuitMessage
PostMessageW
LoadStringW
DispatchMessageW
TranslateMessage
GetMessageW
SetCursor
gdi32
SelectObject
GetTextExtentPoint32W
GetStockObject
DeleteObject
GetDeviceCaps
CreateFontIndirectW
SetTextColor
shell32
SHGetFolderPathA
advapi32
CryptDestroyHash
CryptReleaseContext
RegQueryValueExW
RegOpenKeyExW
RegCloseKey
ConvertStringSecurityDescriptorToSecurityDescriptorW
CryptAcquireContextW
CryptHashData
CryptCreateHash
CryptGetHashParam
comctl32
InitCommonControlsEx
Sections
.text Size: 168KB - Virtual size: 168KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 52KB - Virtual size: 51KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 8KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.didat Size: 512B - Virtual size: 76B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.tls Size: 512B - Virtual size: 9B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 191KB - Virtual size: 190KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 10KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ