2024-05-30_8e1bf7844014dc2fd4804a9454a4a9e1_avoslocker_revil

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General

Target

2024-05-30_8e1bf7844014dc2fd4804a9454a4a9e1_avoslocker_revil
Size

3.8MB
MD5

8e1bf7844014dc2fd4804a9454a4a9e1
SHA1

65d902095c8b69ade0c1cd118966bcf22c278f42
SHA256

85569c0a4e9cb39e08d243f0fa4d38d3ea927a56f1de358b535c7720b4e579c0
SHA512

640e47a38b02e50ff9c3566567e7c771e1d8e28d1c51927f849574a6a3f69dc19e904dd85d92091e854eb2a0ad9610a30e150563ad6e095c9b50338f5d5d9f81
SSDEEP

98304:bNunBfvcb0tF5ui5ozSMQz1DeWDnR6oM7ZWawvhIybxj5t8PGXoQ1R:bwxcb0tF5ui5mlG1DeWqcawvh9bJQq1R

Score

10^/10

Malware Config

Signatures

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

resource	yara_rule
sample	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-05-30_8e1bf7844014dc2fd4804a9454a4a9e1_avoslocker_revil

Files

2024-05-30_8e1bf7844014dc2fd4804a9454a4a9e1_avoslocker_revil
.exe windows:6 windows x86 arch:x86

1b98e713a659688eab42cca689beb213

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

gethostname
getnameinfo
ioctlsocket
sendto
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
shutdown

crypt32

CertOpenSystemStoreW
CertOpenStore
CertGetCertificateContextProperty
CertDuplicateCertificateContext
CertGetIntendedKeyUsage
CertFreeCertificateContext
CertCloseStore
CertGetEnhancedKeyUsage
CertFindCertificateInStore
CertEnumCertificatesInStore

wldap32

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

kernel32

ConnectNamedPipe
DisconnectNamedPipe
CreateNamedPipeW
SetEvent
ResetEvent
WaitForSingleObject
CreateEventW
Sleep
RaiseException
HeapDestroy
HeapAlloc
HeapReAlloc
HeapFree
HeapSize
GetProcessHeap
InitializeCriticalSectionAndSpinCount
DeleteCriticalSection
CreateFileW
SetEndOfFile
SetFilePointer
GetTickCount
ExpandEnvironmentStringsW
CreateDirectoryW
DeleteFileW
FindClose
FindFirstFileW
FindNextFileW
GetDiskFreeSpaceExW
GetFileAttributesW
GetFileSizeEx
RemoveDirectoryW
GetTempPathW
SetErrorMode
CreateMutexW
GetCurrentProcess
GetCurrentProcessId
TerminateProcess
GetExitCodeProcess
CreateProcessW
OpenProcess
GetVersionExW
IsWow64Process
GetModuleFileNameW
GetModuleHandleW
LocalFree
FormatMessageW
lstrlenW
MultiByteToWideChar
WideCharToMultiByte
CreateToolhelp32Snapshot
Process32FirstW
Process32NextW
GetCommandLineW
CloseHandle
GetCurrentThreadId
IsBadWritePtr
GetSystemTime
GetSystemDefaultUILanguage
SetLastError
EnterCriticalSection
LeaveCriticalSection
FindResourceExW
GlobalAlloc
GlobalUnlock
GlobalLock
MulDiv
lstrcmpW
DecodePointer
FreeLibrary
GetProcAddress
LoadLibraryExW
GlobalHandle
GlobalFree
lstrcmpiW
VerSetConditionMask
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
WriteFile
ReadFile
FindResourceW
SizeofResource
LockResource
LoadResource
TerminateThread
CreateThread
SetFileAttributesW
WriteConsoleW
GetTimeZoneInformation
SetEnvironmentVariableW
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCommandLineA
GetOEMCP
GetACP
IsValidCodePage
FindFirstFileExW
GetFullPathNameW
GetCurrentDirectoryW
SetStdHandle
EnumSystemLocalesW
FlushFileBuffers
GetUserDefaultLCID
OutputDebugStringW
EncodePointer
InterlockedPopEntrySList
InterlockedPushEntrySList
FlushInstructionCache
LoadLibraryExA
LCMapStringEx
GetStringTypeW
GetCPInfo
GetLastError
RtlUnwind
GetFileAttributesExW
GetDriveTypeW
GetFileInformationByHandle
SystemTimeToTzSpecificLocalTime
FileTimeToSystemTime
ExitThread
FreeLibraryAndExitThread
SetFilePointerEx
SetConsoleCtrlHandler
ExitProcess
GetConsoleOutputCP
GetDateFormatW
GetTimeFormatW
CompareStringW
LCMapStringW
GetLocaleInfoW
IsValidLocale

user32

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

gdi32

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

advapi32

CryptEnumProvidersW
CryptDecrypt
CryptExportKey
CryptSetHashParam
CryptSignHashW
CryptGetProvParam
DeregisterEventSource
RegisterEventSourceW
ReportEventW
CryptGetUserKey
CryptDestroyKey
RegQueryInfoKeyW
CryptDestroyHash
CryptHashData
CryptCreateHash
CryptGetHashParam
RegEnumKeyExW
RegEnumValueW
QueryServiceStatusEx
OpenServiceW
RegCloseKey
RegCreateKeyExW
RegDeleteKeyW
RegDeleteValueW
RegEnumKeyW
RegOpenKeyExW
RegQueryValueExW
OpenSCManagerW
RegSetValueExW
CloseServiceHandle
CryptReleaseContext
CryptAcquireContextW

shell32

SHGetPathFromIDListW
SHGetSpecialFolderPathW
Shell_NotifyIconW
SHBrowseForFolderW
SHGetSpecialFolderLocation
ShellExecuteW
CommandLineToArgvW
ShellExecuteExW

ole32

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

oleaut32

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

shlwapi

AssocQueryStringW

comctl32

InitCommonControlsEx

opengl32

wglCreateContext
wglDeleteContext
wglMakeCurrent
glGetString

wininet

HttpQueryInfoW
HttpSendRequestW
HttpOpenRequestW
InternetSetOptionW
InternetQueryOptionW
InternetReadFile
InternetConnectW
InternetCloseHandle
InternetOpenW

psapi

GetModuleBaseNameW
GetModuleFileNameExW
GetProcessImageFileNameW
EnumProcesses

bcrypt

BCryptGenRandom

Sections

.text
Size: 2.4MB - Virtual size: 2.4MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 703KB - Virtual size: 703KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 24KB - Virtual size: 50KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 1.4MB - Virtual size: 1.4MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 93KB - Virtual size: 93KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

1b98e713a659688eab42cca689beb213

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: 2.4MB - Virtual size: 2.4MB

.rdata Size: 703KB - Virtual size: 703KB

.data Size: 24KB - Virtual size: 50KB

.rsrc Size: 1.4MB - Virtual size: 1.4MB

.reloc Size: 93KB - Virtual size: 93KB

.text
Size: 2.4MB - Virtual size: 2.4MB

.rdata
Size: 703KB - Virtual size: 703KB

.data
Size: 24KB - Virtual size: 50KB

.rsrc
Size: 1.4MB - Virtual size: 1.4MB

.reloc
Size: 93KB - Virtual size: 93KB