2024-05-24_8cce6ead4a74af6d8682ef3fc013e9aa_avoslocker_cobalt-strike

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General

Target

2024-05-24_8cce6ead4a74af6d8682ef3fc013e9aa_avoslocker_cobalt-strike
Size

394KB
MD5

8cce6ead4a74af6d8682ef3fc013e9aa
SHA1

346d548bf79592ef77752521195e518d5615027d
SHA256

b11cb3e03692c0b96b50c9c8c793f9f0910c728c636e7a29fa1ec304badea087
SHA512

49922cef0f906561f0ff84534c6d43ebc086cf7cfaeea8b9aace4278ef6755a71e4d199aaece915718f0ae5b9abdfef092f17d0c8fc574151acf4a6b3c2adedb
SSDEEP

6144:Lsmhjqye9Qwoim5EStCPGMcYm7ux/ec1yI6huLhusqLybDa:ASxe9Qwoim5ESAE7ux/eMZMsDayPa

Score

1^/10

Malware Config

Signatures

Files

2024-05-24_8cce6ead4a74af6d8682ef3fc013e9aa_avoslocker_cobalt-strike
.exe windows:6 windows x86 arch:x86

d6070fa2cf9230763658da485dee4384

Code Sign

0a:b9:06:f9:c1:4c:00:f1:cb:a4:ec:ce:9d:f1:20:06
Certificate

Issuer

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

Not Before

06/12/2021, 00:00

Not After

06/12/2022, 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

66:a7:f6:29:3f:04:65:25:72:56:00:82:3f:19:58:63:5e:2d:b2:6c:44:28:a5:9a:d8:dc:4b:1b:d4:f2:15:24
Signer

Actual PE Digest

66:a7:f6:29:3f:04:65:25:72:56:00:82:3f:19:58:63:5e:2d:b2:6c:44:28:a5:9a:d8:dc:4b:1b:d4:f2:15:24

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\i386\bin\Release\webex.pdb

Imports

wintrust

WinVerifyTrust

wininet

HttpSendRequestA
InternetCrackUrlA
InternetOpenA
HttpQueryInfoA
InternetCloseHandle
HttpOpenRequestA
InternetSetOptionW
InternetSetOptionA
InternetReadFile
InternetConnectA

version

GetFileVersionInfoA
GetFileVersionInfoSizeA
VerQueryValueW

uxtheme

SetWindowTheme

kernel32

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

user32

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

gdi32

SetTextColor
GetStockObject
DeleteObject
CreateFontIndirectW
GetTextExtentPoint32W
SelectObject
GetDeviceCaps

shell32

SHGetFolderPathA

advapi32

CryptReleaseContext
CryptGetHashParam
CryptCreateHash
CryptHashData
CryptDestroyHash
ConvertStringSecurityDescriptorToSecurityDescriptorW
RegCloseKey
RegOpenKeyExW
RegQueryValueExW
CryptAcquireContextW

urlmon

ObtainUserAgentString

comctl32

InitCommonControlsEx

Sections

.text
Size: 154KB - Virtual size: 153KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 47KB - Virtual size: 46KB

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: 177KB - Virtual size: 176KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 8KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

d6070fa2cf9230763658da485dee4384

Code Sign

0a:b9:06:f9:c1:4c:00:f1:cb:a4:ec:ce:9d:f1:20:06Certificate

Extended Key Usages

Key Usages

66:a7:f6:29:3f:04:65:25:72:56:00:82:3f:19:58:63:5e:2d:b2:6c:44:28:a5:9a:d8:dc:4b:1b:d4:f2:15:24Signer

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

wintrust

wininet

version

uxtheme

kernel32

user32

gdi32

shell32

advapi32

urlmon

comctl32

Sections

.text Size: 154KB - Virtual size: 153KB

.rdata Size: 47KB - Virtual size: 46KB

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

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

.rsrc Size: 177KB - Virtual size: 176KB

.reloc Size: 8KB - Virtual size: 7KB

0a:b9:06:f9:c1:4c:00:f1:cb:a4:ec:ce:9d:f1:20:06
Certificate

66:a7:f6:29:3f:04:65:25:72:56:00:82:3f:19:58:63:5e:2d:b2:6c:44:28:a5:9a:d8:dc:4b:1b:d4:f2:15:24
Signer

.text
Size: 154KB - Virtual size: 153KB

.rdata
Size: 47KB - Virtual size: 46KB

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

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

.rsrc
Size: 177KB - Virtual size: 176KB

.reloc
Size: 8KB - Virtual size: 7KB