2024-04-26_67a6e50e3f3333fe693ac75bbe041f3d_avoslocker_revil

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General

Target

2024-04-26_67a6e50e3f3333fe693ac75bbe041f3d_avoslocker_revil
Size

4.8MB
MD5

67a6e50e3f3333fe693ac75bbe041f3d
SHA1

e34793b8e7e5ec887daf8ee47002593ec0a01de5
SHA256

08f63d636d24852851aaec8d9cab281379944855662d26ac1fdd0eeb9e9e0464
SHA512

353786f1cfee5b6a55a7e60f98e53c6e2b7da9a524bb0ff51b33328568a5c30b7983d53eb2d51cec58c1306009ebe0a7272151458d2d5e1c7df543b485cfb7af
SSDEEP

98304:F8g1ahfZU6b40BPkB6KxmqCIOpzlod3ZakAwTHQGaXIoOf8unJE8x:FpifZU6brBMB7xmqCIO+lAwTwGkIoOVn

Score

10^/10

Malware Config

Signatures

Detects Windows executables referencing non-Windows User-Agents 1 IoCs

resource	yara_rule
sample	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA

Files

2024-04-26_67a6e50e3f3333fe693ac75bbe041f3d_avoslocker_revil
.exe windows:6 windows x86 arch:x86

82e1d16074a85963dac6668cfee776c1

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

6a:d9:43:81:15:e1:71:7c:d5:5b:8b:d8:76:c8:9c:cd
Certificate

Issuer

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

Not Before

26/05/2023, 00:00

Not After

25/05/2026, 23:59

Subject

CN=SIA Circle Solutions,O=SIA Circle Solutions,ST=Rīga,C=LV

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

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

6a:d9:43:81:15:e1:71:7c:d5:5b:8b:d8:76:c8:9c:cd
Certificate

Issuer

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

Not Before

26/05/2023, 00:00

Not After

25/05/2026, 23:59

Subject

CN=SIA Circle Solutions,O=SIA Circle Solutions,ST=Rīga,C=LV

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

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

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

cc:17:39:4b:cf:92:51:b7:0d:7b:17:9b:da:5d:de:42:33:65:90:2b:18:67:df:ed:41:02:4f:1e:aa:b6:5c:e5
Signer

Actual PE Digest

cc:17:39:4b:cf:92:51:b7:0d:7b:17:9b:da:5d:de:42:33:65:90:2b:18:67:df:ed:41:02:4f:1e:aa:b6:5c:e5

Digest Algorithm

sha256

PE Digest Matches

false

7e:91:08:bb:08:ae:63:cc:1a:93:03:06:64:81:1b:b7:e9:13:2e:50
Signer

Actual PE Digest

7e:91:08:bb:08:ae:63:cc:1a:93:03:06:64:81:1b:b7:e9:13:2e:50

Digest Algorithm

sha1

PE Digest Matches

false

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

Imports

ws2_32

getnameinfo
gethostname
ioctlsocket
inet_ntoa
recvfrom
freeaddrinfo
getaddrinfo
listen
htonl
accept
select
__WSAFDIsSet
WSACleanup
WSAIoctl
WSASetLastError
socket
setsockopt
ntohs
htons
getsockopt
getsockname
getpeername
connect
bind
recv
WSAGetLastError
closesocket
WSAWaitForMultipleEvents
WSAResetEvent
WSAEventSelect
WSAEnumNetworkEvents
WSACreateEvent
WSACloseEvent
send
WSAStartup
gethostbyname
sendto
shutdown

crypt32

CertDuplicateCertificateContext
CertFreeCertificateContext
CertOpenStore
CertGetCertificateContextProperty
CertCloseStore
CertEnumCertificatesInStore
CertOpenSystemStoreW
CertGetIntendedKeyUsage
CertFindCertificateInStore
CertGetEnhancedKeyUsage

wldap32

ord26
ord27
ord127
ord167
ord145
ord142
ord79
ord133
ord147
ord301
ord117
ord41
ord208
ord216
ord14
ord46
ord219

kernel32

WaitForSingleObject
CreateEventW
Sleep
RaiseException
HeapDestroy
HeapAlloc
HeapReAlloc
HeapFree
HeapSize
GetProcessHeap
InitializeCriticalSectionAndSpinCount
DeleteCriticalSection
GetExitCodeProcess
CreateFileW
SetEndOfFile
SetFilePointer
GetTickCount
ExpandEnvironmentStringsW
CreateDirectoryW
DeleteFileW
FindClose
FindFirstFileW
FindNextFileW
GetFileAttributesW
GetFileSizeEx
RemoveDirectoryW
GetTempPathW
SetErrorMode
CreatePipe
CreateMutexW
GetCurrentProcess
GetCurrentProcessId
TerminateProcess
CreateProcessW
OpenProcess
GetVersionExW
IsWow64Process
GetModuleFileNameW
GetModuleHandleW
LocalFree
FormatMessageW
lstrlenW
MultiByteToWideChar
WideCharToMultiByte
CreateToolhelp32Snapshot
Process32FirstW
Process32NextW
GetCommandLineW
GetDiskFreeSpaceExW
GetLocaleInfoW
GetCurrentThreadId
IsBadWritePtr
GetSystemTime
SetEvent
GetSystemDefaultUILanguage
SetLastError
EnterCriticalSection
LeaveCriticalSection
FindResourceExW
GlobalAlloc
GlobalUnlock
GlobalLock
MulDiv
lstrcmpW
DecodePointer
FreeLibrary
GetProcAddress
LoadLibraryExW
GlobalHandle
GlobalFree
lstrcmpiW
VerSetConditionMask
lstrcpynW
VerifyVersionInfoW
VirtualFree
VirtualAlloc
ReleaseSRWLockExclusive
AcquireSRWLockExclusive
InitializeCriticalSectionEx
SleepEx
QueryPerformanceFrequency
GetSystemDirectoryW
LoadLibraryW
QueryPerformanceCounter
MoveFileExW
WaitForSingleObjectEx
CompareFileTime
GetSystemTimeAsFileTime
GetEnvironmentVariableA
GetStdHandle
GetFileType
PeekNamedPipe
WaitForMultipleObjects
GetModuleHandleA
SetConsoleMode
GetEnvironmentVariableW
ReadConsoleA
GetConsoleMode
ReadConsoleW
TlsSetValue
TlsAlloc
TlsGetValue
TlsFree
GetModuleHandleExW
DeleteFiber
SwitchToFiber
CreateFiber
ConvertFiberToThread
ConvertThreadToFiber
LoadLibraryA
SystemTimeToFileTime
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsProcessorFeaturePresent
IsDebuggerPresent
GetStartupInfoW
InitializeSListHead
WriteConsoleW
CreateNamedPipeW
DisconnectNamedPipe
ConnectNamedPipe
GetLastError
CloseHandle
WriteFile
ReadFile
FindResourceW
SizeofResource
LockResource
LoadResource
TerminateThread
CreateThread
SetFileAttributesW
GetTimeZoneInformation
SetEnvironmentVariableW
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCommandLineA
GetOEMCP
GetACP
IsValidCodePage
FindFirstFileExW
GetFullPathNameW
GetCurrentDirectoryW
FlushFileBuffers
EnumSystemLocalesW
SetStdHandle
OutputDebugStringW
EncodePointer
InterlockedPopEntrySList
InterlockedPushEntrySList
FlushInstructionCache
LoadLibraryExA
LCMapStringEx
GetStringTypeW
GetCPInfo
RtlUnwind
ResetEvent
GetFileAttributesExW
GetDriveTypeW
GetFileInformationByHandle
SystemTimeToTzSpecificLocalTime
FileTimeToSystemTime
ExitThread
FreeLibraryAndExitThread
SetFilePointerEx
SetConsoleCtrlHandler
ExitProcess
GetConsoleOutputCP
GetDateFormatW
GetTimeFormatW
CompareStringW
LCMapStringW
IsValidLocale
GetOverlappedResult
GetUserDefaultLCID

user32

SetWindowContextHelpId
GetWindowRect
GetWindowTextLengthW
GetWindowTextW
SetWindowTextW
RedrawWindow
InvalidateRgn
GetCursorPos
EndPaint
BeginPaint
TrackPopupMenu
AppendMenuW
DestroyMenu
CreatePopupMenu
DestroyAcceleratorTable
CreateAcceleratorTableW
KillTimer
ReleaseCapture
SetCapture
GetFocus
SetFocus
CharNextW
GetDlgItem
DrawFocusRect
LoadImageW
ClientToScreen
IsWindow
GetClassInfoExW
RegisterClassExW
CallWindowProcW
PostQuitMessage
DefWindowProcW
RegisterWindowMessageW
PostThreadMessageW
PeekMessageW
SendMessageW
SystemParametersInfoW
GetDesktopWindow
MessageBoxW
GetClientRect
ReleaseDC
GetDC
SetWindowPos
ShowWindow
DestroyWindow
CreateWindowExW
SetForegroundWindow
UnregisterClassW
AllowSetForegroundWindow
ScreenToClient
MapWindowPoints
GetSysColor
FillRect
GetWindowLongW
SetWindowLongW
GetParent
GetClassNameW
GetWindow
LoadBitmapW
WindowFromPoint
SetCursor
DrawStateW
IsChild
LoadCursorW
IsDialogMessageW
GetUserObjectInformationW
GetProcessWindowStation
GetIconInfo
DestroyCursor
OffsetRect
InflateRect
CopyRect
MoveWindow
FrameRect
DrawTextW
GetCapture
GetActiveWindow
GetDlgCtrlID
GetWindowThreadProcessId
EnumWindows
CreateDialogIndirectParamW
DispatchMessageW
TranslateMessage
GetMessageW
GetMonitorInfoW
MonitorFromWindow
MonitorFromPoint
EndDialog
MapDialogRect
InvalidateRect

gdi32

ExtTextOutW
MoveToEx
SetTextColor
SetBkMode
SetBkColor
LineTo
CreatePen
CreateBitmap
GetObjectW
SelectObject
GetStockObject
GetDeviceCaps
DeleteObject
DeleteDC
CreateSolidBrush
CreateFontW
CreateCompatibleDC
CreateCompatibleBitmap
BitBlt
ChoosePixelFormat
SetPixelFormat

advapi32

RegDeleteValueW
CryptDestroyKey
CryptGetUserKey
CryptEnumProvidersW
CryptDecrypt
CryptExportKey
CryptSetHashParam
CryptSignHashW
CryptGetProvParam
DeregisterEventSource
RegisterEventSourceW
ReportEventW
CryptDestroyHash
CryptHashData
CryptCreateHash
CryptGetHashParam
RegQueryInfoKeyW
RegEnumKeyExW
RegEnumValueW
StartServiceW
OpenProcessToken
AllocateAndInitializeSid
CheckTokenMembership
FreeSid
GetTokenInformation
RegCloseKey
RegCreateKeyExW
RegDeleteKeyW
CryptAcquireContextW
RegEnumKeyW
RegOpenKeyExW
RegQueryValueExW
RegSetValueExW
QueryServiceStatusEx
OpenServiceW
OpenSCManagerW
EnumDependentServicesW
CloseServiceHandle
DeleteService
ControlService
CryptReleaseContext

shell32

CommandLineToArgvW
SHGetSpecialFolderPathW
Shell_NotifyIconW
SHBrowseForFolderW
SHGetSpecialFolderLocation
SHGetPathFromIDListW
SHFileOperationW
ShellExecuteExW
ShellExecuteW

ole32

OleLockRunning
OleUninitialize
OleInitialize
CoTaskMemAlloc
StringFromGUID2
CoGetClassObject
CoTaskMemRealloc
CoUninitialize
OleRun
CoTaskMemFree
CLSIDFromProgID
CLSIDFromString
CoCreateInstance
CoInitialize
CreateStreamOnHGlobal

oleaut32

DispCallFunc
LoadRegTypeLi
LoadTypeLi
SysStringLen
VariantChangeType
VariantClear
VariantInit
SysAllocStringByteLen
SysStringByteLen
SysAllocStringLen
SysAllocString
SysFreeString
VarUI4FromStr
GetErrorInfo
OleCreateFontIndirect

shlwapi

AssocQueryStringW
PathCombineW

comctl32

ImageList_GetIcon
InitCommonControlsEx

opengl32

glGetString
wglDeleteContext
wglMakeCurrent
wglCreateContext

wininet

InternetReadFile
HttpQueryInfoW
HttpSendRequestW
HttpOpenRequestW
InternetSetOptionW
InternetQueryOptionW
InternetConnectW
InternetCloseHandle
InternetOpenW

psapi

GetModuleBaseNameW
GetModuleFileNameExW
GetProcessImageFileNameW
EnumProcesses

bcrypt

BCryptGenRandom

Sections

.text
Size: 2.6MB - Virtual size: 2.6MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 715KB - Virtual size: 715KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 25KB - Virtual size: 51KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 1.3MB - Virtual size: 1.3MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 104KB - Virtual size: 104KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

82e1d16074a85963dac6668cfee776c1

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

6a:d9:43:81:15:e1:71:7c:d5:5b:8b:d8:76:c8:9c:cdCertificate

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

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

6a:d9:43:81:15:e1:71:7c:d5:5b:8b:d8:76:c8:9c:cdCertificate

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

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

Extended Key Usages

Key Usages

cc:17:39:4b:cf:92:51:b7:0d:7b:17:9b:da:5d:de:42:33:65:90:2b:18:67:df:ed:41:02:4f:1e:aa:b6:5c:e5Signer

7e:91:08:bb:08:ae:63:cc:1a:93:03:06:64:81:1b:b7:e9:13:2e:50Signer

Headers

DLL Characteristics

File Characteristics

Imports

ws2_32

crypt32

wldap32

kernel32

user32

gdi32

advapi32

shell32

ole32

oleaut32

shlwapi

comctl32

opengl32

wininet

psapi

bcrypt

Sections

.text Size: 2.6MB - Virtual size: 2.6MB

.rdata Size: 715KB - Virtual size: 715KB

.data Size: 25KB - Virtual size: 51KB

.rsrc Size: 1.3MB - Virtual size: 1.3MB

.reloc Size: 104KB - Virtual size: 104KB

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

6a:d9:43:81:15:e1:71:7c:d5:5b:8b:d8:76:c8:9c:cd
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

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

6a:d9:43:81:15:e1:71:7c:d5:5b:8b:d8:76:c8:9c:cd
Certificate

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

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

cc:17:39:4b:cf:92:51:b7:0d:7b:17:9b:da:5d:de:42:33:65:90:2b:18:67:df:ed:41:02:4f:1e:aa:b6:5c:e5
Signer

7e:91:08:bb:08:ae:63:cc:1a:93:03:06:64:81:1b:b7:e9:13:2e:50
Signer

.text
Size: 2.6MB - Virtual size: 2.6MB

.rdata
Size: 715KB - Virtual size: 715KB

.data
Size: 25KB - Virtual size: 51KB

.rsrc
Size: 1.3MB - Virtual size: 1.3MB

.reloc
Size: 104KB - Virtual size: 104KB