2024-05-22_63c55cac29d2ee2ea8e747517be3bf4a_avoslocker_cobalt-strike

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General

Target

2024-05-22_63c55cac29d2ee2ea8e747517be3bf4a_avoslocker_cobalt-strike
Size

260KB
MD5

63c55cac29d2ee2ea8e747517be3bf4a
SHA1

a9d5c0743b48916abb06d443917a6e075a74a0e0
SHA256

b03d5d3f3b8732cede6ae5f54e305e9835ce2863b49963482199b67051163dfc
SHA512

22d58229d785b448b530a748ed557ebf05200ee3f39dba51019157bdd83e8ad412b8bfe4965e700ae537be09de580b5d211c6eab02f3a7e88a82d10d6fa091de
SSDEEP

6144:X7akYoAMmDyfYd0VwXeNrV333uI0DdB9ffIDswV:jYoAMmDyfYGVwXQ3uI0DdyswV

Score

1^/10

Malware Config

Signatures

Files

2024-05-22_63c55cac29d2ee2ea8e747517be3bf4a_avoslocker_cobalt-strike
.exe windows:6 windows x86 arch:x86

4f6042a2e2320faa3737150571d39e97

Code Sign

01:da:dc:53:53:1e:fa:23:30:41:e1:2c:8e:a1:87:83
Certificate

Issuer

CN=DigiCert SHA2 Assured ID Code Signing CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

05-01-2021 00:00

Not After

09-01-2022 23:59

Subject

CN=Cisco WebEx LLC,O=Cisco WebEx LLC,L=San Jose,ST=California,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

e1:30:9b:b8:b9:78:2a:91:5d:3e:59:ae:13:72:33:cb:60:4a:09:38:9f:72:10:93:19:84:3f:0a:b8:ff:50:e0
Signer

Actual PE Digest

e1:30:9b:b8:b9:78:2a:91:5d:3e:59:ae:13:72:33:cb:60:4a:09:38:9f:72:10:93:19:84:3f:0a:b8:ff:50:e0

Digest Algorithm

sha256

PE Digest Matches

true

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

O:\webex-windows-plugin\output\bin\win32\Release\webex.pdb

Imports

wintrust

WinVerifyTrust

wininet

HttpSendRequestA
InternetCrackUrlA
InternetOpenA
HttpQueryInfoA
InternetCloseHandle
HttpOpenRequestA
InternetSetOptionW
InternetSetOptionA
InternetReadFile
InternetConnectA

version

GetFileVersionInfoA
GetFileVersionInfoSizeA
VerQueryValueW

uxtheme

SetWindowTheme

kernel32

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

user32

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

gdi32

GetTextExtentPoint32W
SelectObject
SetTextColor
CreateFontIndirectW
GetDeviceCaps
DeleteObject
GetStockObject

shell32

SHGetFolderPathA

advapi32

RegCloseKey
RegOpenKeyExW
RegQueryValueExW
ConvertStringSecurityDescriptorToSecurityDescriptorW

urlmon

ObtainUserAgentString

comctl32

InitCommonControlsEx

Sections

.text
Size: 150KB - Virtual size: 149KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 45KB - Virtual size: 45KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 6KB

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: 49KB - Virtual size: 49KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 7KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

4f6042a2e2320faa3737150571d39e97

Code Sign

01:da:dc:53:53:1e:fa:23:30:41:e1:2c:8e:a1:87:83Certificate

Extended Key Usages

Key Usages

e1:30:9b:b8:b9:78:2a:91:5d:3e:59:ae:13:72:33:cb:60:4a:09:38:9f:72:10:93:19:84:3f:0a:b8:ff:50:e0Signer

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

wintrust

wininet

version

uxtheme

kernel32

user32

gdi32

shell32

advapi32

urlmon

comctl32

Sections

.text Size: 150KB - Virtual size: 149KB

.rdata Size: 45KB - Virtual size: 45KB

.data Size: 3KB - Virtual size: 6KB

.tls Size: 512B - Virtual size: 9B

.rsrc Size: 49KB - Virtual size: 49KB

.reloc Size: 7KB - Virtual size: 7KB

01:da:dc:53:53:1e:fa:23:30:41:e1:2c:8e:a1:87:83
Certificate

e1:30:9b:b8:b9:78:2a:91:5d:3e:59:ae:13:72:33:cb:60:4a:09:38:9f:72:10:93:19:84:3f:0a:b8:ff:50:e0
Signer

.text
Size: 150KB - Virtual size: 149KB

.rdata
Size: 45KB - Virtual size: 45KB

.data
Size: 3KB - Virtual size: 6KB

.tls
Size: 512B - Virtual size: 9B

.rsrc
Size: 49KB - Virtual size: 49KB

.reloc
Size: 7KB - Virtual size: 7KB