2024-05-31_d35c9f14288e42858f2e5700aeb77114_avoslocker_cobalt-strike

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General

Target

2024-05-31_d35c9f14288e42858f2e5700aeb77114_avoslocker_cobalt-strike
Size

384KB
MD5

d35c9f14288e42858f2e5700aeb77114
SHA1

3bf42ffcafdd283c596ae068acda778700c5ea32
SHA256

3c2521b7695692eb06d5b8ff57e2ef885229d92fb2e8a4ad96bc090f19e7a79f
SHA512

0c1f784d895a2c905133a92a59b8679fe42412cd8cb30b9fd13e5804c21d915922bd4663f572bf03fcc6fc8f1d7c53033d92fd1fce625feb67f60cf3e9299deb
SSDEEP

6144:Gwhe2IkUcmlDS7+8UVQP4NulHc6uIUZdUmX6huLhusrM/:5IkUcmlDS7+VVQP06uIUZdUCMsDrM/

Score

1^/10

Malware Config

Signatures

Files

2024-05-31_d35c9f14288e42858f2e5700aeb77114_avoslocker_cobalt-strike
.exe windows:6 windows x86 arch:x86

03bb4209ef4709eaef7e694990576817

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

b9:0f:db:4d:42:25:50:61:00:68:12:b6:92:b6:1d:2e:4c:cd:f0:24:4c:9a:c0:d8:2c:a8:ec:e2:54:63:02:e2
Signer

Actual PE Digest

b9:0f:db:4d:42:25:50:61:00:68:12:b6:92:b6:1d:2e:4c:cd:f0:24:4c:9a:c0:d8:2c:a8:ec:e2:54:63:02:e2

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
PostMessageW
LoadStringA
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: 174KB - Virtual size: 173KB

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

03bb4209ef4709eaef7e694990576817

Code Sign

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

Extended Key Usages

Key Usages

b9:0f:db:4d:42:25:50:61:00:68:12:b6:92:b6:1d:2e:4c:cd:f0:24:4c:9a:c0:d8:2c:a8:ec:e2:54:63:02:e2Signer

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: 174KB - Virtual size: 173KB

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

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

b9:0f:db:4d:42:25:50:61:00:68:12:b6:92:b6:1d:2e:4c:cd:f0:24:4c:9a:c0:d8:2c:a8:ec:e2:54:63:02:e2
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: 174KB - Virtual size: 173KB

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