2024-06-19_97e435df0a68a48539f8b75f3bd77e53_avoslocker_cobalt-strike

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General

Target

2024-06-19_97e435df0a68a48539f8b75f3bd77e53_avoslocker_cobalt-strike
Size

671KB
MD5

97e435df0a68a48539f8b75f3bd77e53
SHA1

bddf67ebcc68b69c11ac68512650e0d5272ce06c
SHA256

655c8ad7b013b3f46f981e0d9a1b55e99b97187000e4c75d063efdf960cff981
SHA512

e0b3b9e754f517a05b9818ecc9dc4a041ee8e6baabb3b9cec8adbfc77093af0f1ad0ba575c5ea9bff825c7ba68fb1e29b3c7ca7c18d1ebe40dfd201a4d8afb67
SSDEEP

12288:CK2IsQOlX5fyHJucdsIqSqXCIRl31bTwC2NGJVF75pA1B/LdwelZNBa0brp34uYx:CxDQOgi31blGGJVFlpudweNbp1ooVeR

Score

1^/10

Malware Config

Signatures

Files

2024-06-19_97e435df0a68a48539f8b75f3bd77e53_avoslocker_cobalt-strike
.exe windows:6 windows x86 arch:x86

aa5b1cfd0691f8de927d2f71e1b91848

Code Sign

48:fc:93:b4:60:55:94:8d:36:a7:c9:8a:89:d6:94:16
Certificate

Issuer

CN=AAA Certificate Services,O=Comodo CA Limited,L=Salford,ST=Greater Manchester,C=GB

Not Before

25/05/2021, 00:00

Not After

31/12/2028, 23:59

Subject

CN=Sectigo Public Code Signing Root R46,O=Sectigo Limited,C=GB

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

62:1d:6d:0c:52:01:9e:3b:90:79:15:20:89:21:1c:0a
Certificate

Issuer

CN=Sectigo Public Code Signing Root R46,O=Sectigo Limited,C=GB

Not Before

22/03/2021, 00:00

Not After

21/03/2036, 23:59

Subject

CN=Sectigo Public Code Signing CA R36,O=Sectigo Limited,C=GB

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

e8:b8:e3:51:32:29:9d:79:1d:14:df:cc:55:35:b4:4a
Certificate

Issuer

CN=Sectigo Public Code Signing CA R36,O=Sectigo Limited,C=GB

Not Before

21/06/2021, 00:00

Not After

20/06/2024, 23:59

Subject

CN=Mudfish Networks Inc.,O=Mudfish Networks Inc.,L=Seoul,C=KR

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

30:0f:6f:ac:dd:66:98:74:7c:a9:46:36:a7:78:2d:b9
Certificate

Issuer

CN=USERTrust RSA Certification Authority,O=The USERTRUST Network,L=Jersey City,ST=New Jersey,C=US

Not Before

02/05/2019, 00:00

Not After

18/01/2038, 23:59

Subject

CN=Sectigo RSA Time Stamping CA,O=Sectigo Limited,L=Salford,ST=Greater Manchester,C=GB

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

39:4c:25:e1:7c:a0:6d:27:a8:65:e2:3b:d9:1d:22:d4
Certificate

Issuer

CN=Sectigo RSA Time Stamping CA,O=Sectigo Limited,L=Salford,ST=Greater Manchester,C=GB

Not Before

03/05/2023, 00:00

Not After

02/08/2034, 23:59

Subject

CN=Sectigo RSA Time Stamping Signer #4,O=Sectigo Limited,ST=Manchester,C=GB

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageContentCommitment

14:ab:ba:bc:4c:d1:ff:15:97:25:28:d1:23:30:b9:38:a6:55:93:72
Signer

Actual PE Digest

14:ab:ba:bc:4c:d1:ff:15:97:25:28:d1:23:30:b9:38:a6:55:93:72

Digest Algorithm

sha1

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

PDB Paths

C:\Work\ttol\bin\mudrun\mudrun_tray.pdb

Imports

advapi32

AllocateAndInitializeSid
CheckTokenMembership
FreeSid
RegCloseKey
RegOpenKeyExA
RegQueryValueExA
CloseServiceHandle
OpenSCManagerA
OpenServiceA
QueryServiceStatusEx

iphlpapi

GetAdaptersInfo
GetIpForwardTable

shell32

Shell_NotifyIconA
SHGetKnownFolderPath

user32

RegisterWindowMessageA
GetMessageA
TranslateMessage
DispatchMessageA
DefWindowProcA
PostQuitMessage
RegisterClassExA
CreateWindowExA
ShowWindow
IsWindowVisible
CreatePopupMenu
AppendMenuA
TrackPopupMenu
SetForegroundWindow
GetCursorPos
LoadCursorA
LoadIconA
MessageBoxA

ws2_32

inet_ntoa
closesocket
htonl
inet_addr
recv
send
sendto
setsockopt
shutdown
WSAStartup
WSAGetLastError
inet_ntop
WSASetLastError
bind
connect
listen
select
socket
getaddrinfo
freeaddrinfo
getpeername
ntohs
getsockname
getnameinfo
ioctlsocket

kernel32

GetTimeZoneInformation
HeapSize
ReadConsoleW
CreateFileW
FlushFileBuffers
GetProcessHeap
SetEnvironmentVariableW
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetOEMCP
GetACP
IsValidCodePage
FindNextFileW
FindFirstFileExW
FindClose
CreateDirectoryW
SetStdHandle
GetStringTypeW
HeapReAlloc
DeleteFileW
MultiByteToWideChar
CreatePipe
GetFileAttributesExW
GetExitCodeProcess
DecodePointer
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
GetLocaleInfoW
LCMapStringW
CompareStringW
GetTimeFormatW
GetDateFormatW
SetConsoleCtrlHandler
OutputDebugStringW
HeapAlloc
SetFilePointerEx
GetFileSizeEx
GetConsoleMode
GetConsoleOutputCP
HeapFree
ExitProcess
GetCommandLineW
GetCommandLineA
GetCPInfo
FreeLibraryAndExitThread
ExitThread
CreateThread
GetCurrentProcessId
SwitchToThread
SetCurrentDirectoryA
CreateFileA
ReadFile
GetTempPathA
GetTempFileNameA
CloseHandle
GetLastError
QueryPerformanceCounter
QueryPerformanceFrequency
Sleep
GetCurrentProcess
GetCurrentThreadId
GetSystemTimeAsFileTime
GetVersionExA
MapViewOfFile
FlushViewOfFile
UnmapViewOfFile
GetProcAddress
LoadLibraryA
LocalFree
FormatMessageA
CreateFileMappingA
OpenFileMappingA
DuplicateHandle
SetLastError
InitializeCriticalSection
EnterCriticalSection
LeaveCriticalSection
SetEvent
ResetEvent
ReleaseSemaphore
WaitForSingleObject
CreateEventA
WaitForMultipleObjects
GetCurrentThread
GetThreadPriority
ResumeThread
TlsAlloc
TlsGetValue
TlsSetValue
GetSystemTime
CreateSemaphoreA
SystemTimeToFileTime
ExpandEnvironmentStringsA
CreateProcessA
WriteFile
FatalAppExitA
SetNamedPipeHandleState
GetOverlappedResult
TerminateProcess
OpenProcess
WideCharToMultiByte
CreateToolhelp32Snapshot
Process32First
Process32Next
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsProcessorFeaturePresent
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
GetModuleHandleW
CreateProcessW
InterlockedPushEntrySList
InterlockedFlushSList
RtlUnwind
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsFree
FreeLibrary
LoadLibraryExW
EncodePointer
RaiseException
GetStdHandle
GetFileType
GetModuleFileNameW
GetModuleHandleExW
WriteConsoleW
SetEndOfFile

Sections

.text
Size: 463KB - Virtual size: 463KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 53KB - Virtual size: 52KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 38KB - Virtual size: 48KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 90KB - Virtual size: 89KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 16KB - Virtual size: 15KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

aa5b1cfd0691f8de927d2f71e1b91848

Code Sign

48:fc:93:b4:60:55:94:8d:36:a7:c9:8a:89:d6:94:16Certificate

Extended Key Usages

Key Usages

62:1d:6d:0c:52:01:9e:3b:90:79:15:20:89:21:1c:0aCertificate

Extended Key Usages

Key Usages

e8:b8:e3:51:32:29:9d:79:1d:14:df:cc:55:35:b4:4aCertificate

Extended Key Usages

Key Usages

30:0f:6f:ac:dd:66:98:74:7c:a9:46:36:a7:78:2d:b9Certificate

Extended Key Usages

Key Usages

39:4c:25:e1:7c:a0:6d:27:a8:65:e2:3b:d9:1d:22:d4Certificate

Extended Key Usages

Key Usages

14:ab:ba:bc:4c:d1:ff:15:97:25:28:d1:23:30:b9:38:a6:55:93:72Signer

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

advapi32

iphlpapi

shell32

user32

ws2_32

kernel32

Sections

.text Size: 463KB - Virtual size: 463KB

.rdata Size: 53KB - Virtual size: 52KB

.data Size: 38KB - Virtual size: 48KB

.rsrc Size: 90KB - Virtual size: 89KB

.reloc Size: 16KB - Virtual size: 15KB

48:fc:93:b4:60:55:94:8d:36:a7:c9:8a:89:d6:94:16
Certificate

62:1d:6d:0c:52:01:9e:3b:90:79:15:20:89:21:1c:0a
Certificate

e8:b8:e3:51:32:29:9d:79:1d:14:df:cc:55:35:b4:4a
Certificate

30:0f:6f:ac:dd:66:98:74:7c:a9:46:36:a7:78:2d:b9
Certificate

39:4c:25:e1:7c:a0:6d:27:a8:65:e2:3b:d9:1d:22:d4
Certificate

14:ab:ba:bc:4c:d1:ff:15:97:25:28:d1:23:30:b9:38:a6:55:93:72
Signer

.text
Size: 463KB - Virtual size: 463KB

.rdata
Size: 53KB - Virtual size: 52KB

.data
Size: 38KB - Virtual size: 48KB

.rsrc
Size: 90KB - Virtual size: 89KB

.reloc
Size: 16KB - Virtual size: 15KB