2024-09-07_8fd92497ec1043b829053ceb55a572b7_avoslocker_hijackloader

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General

Target

2024-09-07_8fd92497ec1043b829053ceb55a572b7_avoslocker_hijackloader
Size

6.3MB
MD5

8fd92497ec1043b829053ceb55a572b7
SHA1

abfb51071f6d9c5c3ec65dbc983a0d05225b29a0
SHA256

cbc0ea4209e4cc2d090bae27ce49500d3e158543b4bfd74676e1b1448c9c1837
SHA512

f5dcf5bf9c2e7933f95f933efdbaef1f61dc52e084eca57689ce77c0081d966e9d432c53fbaf8b45ee6187e6fa0052594d4d687d5582a319745124f7b62ad06c
SSDEEP

98304:SvNSjUZ6rr/G8At8dx8wwcv2DclG/vxqSy63WK:4GUgrrutt8dx8wwkPGqEWK

Score

1^/10

Malware Config

Signatures

Files

2024-09-07_8fd92497ec1043b829053ceb55a572b7_avoslocker_hijackloader
.exe windows:6 windows x86 arch:x86

bdbd82d29f92e99bc2b34fe1d72d245c

Code Sign

06:0c:43:c8:90:48:4c:a5:e4:e0:35:62:6c:80:87:35
Certificate

Issuer

CN=DigiCert SHA2 Assured ID Code Signing CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

16/10/2020, 00:00

Not After

24/10/2023, 23:59

Subject

CN=RealVNC Ltd,O=RealVNC Ltd,L=Cambridge,C=GB

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5a
Certificate

Issuer

CN=DigiCert Assured ID Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

01/08/2022, 00:00

Not After

09/11/2031, 23:59

Subject

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5b
Certificate

Issuer

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

23/03/2022, 00:00

Not After

22/03/2037, 23:59

Subject

CN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

0c:4d:69:72:4b:94:fa:3c:2a:4a:3d:29:07:80:3d:5a
Certificate

Issuer

CN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=US

Not Before

21/09/2022, 00:00

Not After

21/11/2033, 23:59

Subject

CN=DigiCert Timestamp 2022 - 2,O=DigiCert,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

dc:49:02:02:92:4d:54:9d:ef:ef:e7:68:45:bf:9a:d5:ce:d8:3a:74:f7:3e:23:88:8a:07:d3:df:88:20:50:1f
Signer

Actual PE Digest

dc:49:02:02:92:4d:54:9d:ef:ef:e7:68:45:bf:9a:d5:ce:d8:3a:74:f7:3e:23:88:8a:07:d3:df:88:20:50:1f

Digest Algorithm

sha256

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:\ent-slave-root\workspace\VNCConnect\Builds\Clients\VNC_7.1.x\label\con-windows-64\bld32\RelWithDebInfo\odserver.pdb

Imports

crypt32

CertOpenStore
CertFindCertificateInStore
CertFreeCertificateContext
CertCloseStore

ws2_32

getpeername
getsockname
htonl
inet_addr
inet_ntoa
htons
ntohs
gethostbyaddr
gethostbyname
getservbyport
getservbyname
WSASetLastError
ntohl
WSAGetLastError
shutdown
send
select
recv
WSASocketW
WSADuplicateSocketW
WSAConnect
WSAStartup
socket
ioctlsocket
closesocket
bind
accept
getsockopt
WSAEventSelect
WSAEnumNetworkEvents
WSASendTo
WSASend
WSAIoctl
setsockopt

comctl32

ImageList_Create
_TrackMouseEvent
InitCommonControlsEx
ImageList_ReplaceIcon
ImageList_Add
ImageList_Destroy

kernel32

SetCurrentDirectoryW
GetCurrentDirectoryW
CreateDirectoryW
DeleteFileW
GetFileAttributesW
RemoveDirectoryW
SetEndOfFile
SetFilePointer
MoveFileW
ProcessIdToSessionId
QueryPerformanceCounter
QueryPerformanceFrequency
GetSystemTimeAsFileTime
GetProcAddress
GetComputerNameW
GetSystemDirectoryA
FreeLibrary
LoadLibraryA
FindClose
FindFirstFileW
FindNextFileW
CompareStringW
LocalAlloc
CreateThread
GetCurrentThread
TerminateThread
ResumeThread
GetThreadTimes
GetVersionExW
ExpandEnvironmentStringsW
OutputDebugStringW
GetLocaleInfoW
GetUserDefaultLCID
RtlCaptureStackBackTrace
GetModuleHandleExW
GetExitCodeProcess
GetProcessId
FlushFileBuffers
WriteFile
SystemTimeToTzSpecificLocalTime
GetTimeZoneInformation
GetHandleInformation
SetHandleInformation
GetNumberFormatW
GetSystemInfo
DuplicateHandle
CreateFileMappingW
MapViewOfFile
UnmapViewOfFile
GetTimeFormatW
GetDateFormatW
SetUnhandledExceptionFilter
UnhandledExceptionFilter
WaitForSingleObjectEx
InitializeCriticalSectionAndSpinCount
CreateProcessW
FormatMessageW
OpenProcess
WaitForMultipleObjects
CreateNamedPipeW
ConnectNamedPipe
WriteConsoleW
ReadConsoleW
GetConsoleMode
FreeConsole
AllocConsole
SetLastError
GetFileType
GetStdHandle
FindResourceW
SizeofResource
LockResource
LoadResource
ExitProcess
QueryFullProcessImageNameW
GetModuleFileNameW
GetCurrentProcess
SearchPathW
SetStdHandle
GetCommandLineW
GlobalSize
LoadLibraryW
GlobalFree
GlobalAlloc
TlsFree
TlsSetValue
TlsGetValue
TlsAlloc
WideCharToMultiByte
MultiByteToWideChar
GlobalLock
GlobalUnlock
GetModuleHandleW
WaitForSingleObject
GetCurrentProcessId
SetProcessShutdownParameters
CancelIo
GetOverlappedResult
ReadFile
CreateFileW
GetCurrentThreadId
Sleep
CreateEventW
ResetEvent
SetEvent
SetFileAttributesW
GetFileAttributesExW
DeleteCriticalSection
LeaveCriticalSection
EnterCriticalSection
InitializeCriticalSection
SetErrorMode
GetVolumePathNamesForVolumeNameW
GetDriveTypeW
GetDiskFreeSpaceExW
FindVolumeClose
FindNextVolumeW
FindFirstVolumeW
WTSGetActiveConsoleSessionId
CopyFileW
LocalFree
GetSystemDirectoryW
GetLastError
ReOpenFile
CloseHandle
TerminateProcess
IsProcessorFeaturePresent
IsDebuggerPresent
GetStartupInfoW
InitializeSListHead
RtlUnwind
RaiseException
InterlockedPushEntrySList
LoadLibraryExA
InterlockedFlushSList
EncodePointer
LoadLibraryExW
GetConsoleOutputCP
HeapAlloc
HeapFree
IsValidLocale
EnumSystemLocalesW
SetFilePointerEx
DecodePointer
GetFileSizeEx
SetConsoleCtrlHandler
HeapReAlloc
SetEnvironmentVariableW
FindFirstFileExW
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
GetCommandLineA
GetEnvironmentStringsW
FreeEnvironmentStringsW
GetProcessHeap
GetStringTypeW
HeapSize
VirtualProtect
VirtualQuery
LCMapStringW

user32

CloseDesktop
GetUserObjectInformationW
SetWinEventHook
UnhookWinEvent
ChangeDisplaySettingsExW
EnumDisplaySettingsW
MonitorFromRect
MonitorFromWindow
GetMonitorInfoW
EnumDisplayMonitors
mouse_event
SendInput
ToUnicodeEx
GetKeyboardLayoutList
GetAsyncKeyState
ToAsciiEx
VkKeyScanExA
VkKeyScanExW
keybd_event
MapVirtualKeyW
CreateIconIndirect
CallWindowProcW
UnregisterClassW
RegisterClassExW
CreateWindowExW
DestroyWindow
DefDlgProcW
SetTimer
KillTimer
RedrawWindow
ScrollWindowEx
SetLayeredWindowAttributes
SetWindowDisplayAffinity
CopyImage
DrawIconEx
GetIconInfo
GetParent
DefWindowProcW
SetThreadDesktop
GetMessagePos
GetDoubleClickTime
CreateMenu
SetMenu
SetMenuDefaultItem
SetMenuItemInfoW
GetClipboardOwner
TrackPopupMenu
DeleteMenu
GetMenuItemCount
CheckMenuItem
DestroyMenu
CreatePopupMenu
GetMenuState
GetOpenClipboardWindow
EmptyClipboard
SetClipboardData
CloseClipboard
OpenClipboard
IsDialogMessageW
DestroyIcon
EnumChildWindows
SetWindowTextW
EndDialog
DialogBoxParamW
CreateDialogParamW
SetParent
FindWindowW
CallNextHookEx
UnhookWindowsHookEx
SetWindowsHookExW
MessageBoxW
GetDlgItem
WindowFromPoint
IsWindowEnabled
PostMessageW
GetCursor
GetScrollInfo
OpenInputDesktop
OpenDesktopW
MsgWaitForMultipleObjects
PeekMessageW
PostQuitMessage
RegisterClipboardFormatW
SetClipboardViewer
ChangeClipboardChain
GetThreadDesktop
SystemParametersInfoW
GetSystemMetrics
GetCursorPos
GetKeyboardLayout
ExitWindowsEx
SendMessageTimeoutW
GetKeyState
GetKeyboardState
IsWindowUnicode
GetForegroundWindow
GetWindowThreadProcessId
GetGUIThreadInfo
ChangeDisplaySettingsExA
GetNextDlgTabItem
ScreenToClient
InsertMenuItemW
SetScrollInfo
OffsetRect
AdjustWindowRectEx
InvalidateRect
GetWindowTextLengthW
GetWindowTextW
GetClipboardData
LoadIconW
GetDesktopWindow
SetWindowLongW
MapWindowPoints
ClientToScreen
SetForegroundWindow
EnableMenuItem
GetSystemMenu
EnableWindow
ReleaseCapture
SetCapture
GetDlgCtrlID
GetWindowPlacement
SetWindowPos
ShowWindow
IsChild
GetMessageW
GetComboBoxInfo
ReleaseDC
GetWindowDC
GetDC
GetAncestor
GetWindowLongW
InflateRect
FrameRect
DrawFocusRect
GetSysColorBrush
GetSysColor
SetCursor
GetClientRect
DrawTextW
GetFocus
SendMessageW
DrawFrameControl
SetFocus
LoadCursorW
FillRect
EndPaint
BeginPaint
DispatchMessageW
TranslateMessage
GetCursorInfo
EnumDisplayDevicesA
GetWindow
GetWindowRect
IsWindowVisible
GetClassNameW
IsIconic
IsWindow
EnumDisplaySettingsA
EnumDisplayDevicesW

gdi32

GdiFlush
GetSystemPaletteEntries
SetDIBColorTable
CreateDIBSection
GdiAlphaBlend
CreateBitmap
StretchBlt
GetClipBox
CreateDCW
CreateCompatibleDC
BitBlt
CreateFontIndirectW
GetTextMetricsW
GetObjectW
SetBkColor
ExcludeClipRect
GetPixel
CreateCompatibleBitmap
MoveToEx
PatBlt
LineTo
CreatePen
GetCharWidthW
SetBkMode
GetStockObject
DeleteObject
CreateSolidBrush
ExtEscape
SetWindowOrgEx
SetTextColor
SelectObject
GetBitmapBits
GetTextExtentPoint32W
SetMapMode
GetDeviceCaps
GetDIBits
DeleteDC

shell32

SHGetMalloc
SHGetKnownFolderPath
SHFileOperationW
ShellExecuteW
ord74
SHGetFileInfoW
SHGetDesktopFolder

ole32

CoCreateInstance
CoTaskMemFree
CoTaskMemAlloc
OleInitialize
RegisterDragDrop
DoDragDrop
ReleaseStgMedium
CoTaskMemRealloc
CoUninitialize
CoInitializeEx
OleUninitialize
CoMarshalInterThreadInterfaceInStream
CoGetInterfaceAndReleaseStream

oleaut32

SysFreeString
SysAllocString

advapi32

GetLengthSid
LookupPrivilegeValueW
AdjustTokenPrivileges
CreateProcessWithLogonW
LogonUserW
CryptGenRandom
CryptReleaseContext
CryptAcquireContextW
GetUserNameW
SetSecurityDescriptorSacl
SetSecurityDescriptorOwner
SetSecurityDescriptorGroup
SetSecurityDescriptorDacl
SetSecurityDescriptorControl
MakeSelfRelativeSD
MakeAbsoluteSD
InitializeSecurityDescriptor
GetSecurityDescriptorLength
GetSecurityDescriptorControl
RegSetValueExW
RegQueryValueExW
RegQueryInfoKeyW
RegOpenKeyExW
RegNotifyChangeKeyValue
RegEnumValueW
RegEnumKeyExW
RegDeleteValueW
RegDeleteKeyW
RegCreateKeyExW
RegCloseKey
DuplicateTokenEx
SetSecurityInfo
SetNamedSecurityInfoW
GetSecurityInfo
GetNamedSecurityInfoW
SetEntriesInAclW
InitializeAcl
GetAclInformation
InitiateSystemShutdownW
StartServiceW
SetServiceObjectSecurity
QueryServiceStatus
QueryServiceConfigW
OpenServiceW
OpenSCManagerW
DeleteService
CreateServiceW
ControlService
SetTokenInformation
RegisterServiceCtrlHandlerW
SetServiceStatus
StartServiceCtrlDispatcherW
OpenProcessToken
EqualSid
CreateProcessAsUserW
AllocateAndInitializeSid
CopySid
FreeSid
ChangeServiceConfigW
GetSidIdentifierAuthority
GetTokenInformation
IsValidSid
LookupAccountSidW
LookupAccountNameW
ConvertSidToStringSidW
ConvertStringSidToSidW
CloseServiceHandle

Sections

.text
Size: 4.0MB - Virtual size: 4.0MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 1.8MB - Virtual size: 1.8MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 50KB - Virtual size: 82KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

_RDATA
Size: 3KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 224KB - Virtual size: 224KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 220KB - Virtual size: 219KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

bdbd82d29f92e99bc2b34fe1d72d245c

Code Sign

06:0c:43:c8:90:48:4c:a5:e4:e0:35:62:6c:80:87:35Certificate

Extended Key Usages

Key Usages

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5aCertificate

Key Usages

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5bCertificate

Extended Key Usages

Key Usages

0c:4d:69:72:4b:94:fa:3c:2a:4a:3d:29:07:80:3d:5aCertificate

Extended Key Usages

Key Usages

dc:49:02:02:92:4d:54:9d:ef:ef:e7:68:45:bf:9a:d5:ce:d8:3a:74:f7:3e:23:88:8a:07:d3:df:88:20:50:1fSigner

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

crypt32

ws2_32

comctl32

kernel32

user32

gdi32

shell32

ole32

oleaut32

advapi32

Sections

.text Size: 4.0MB - Virtual size: 4.0MB

.rdata Size: 1.8MB - Virtual size: 1.8MB

.data Size: 50KB - Virtual size: 82KB

_RDATA Size: 3KB - Virtual size: 2KB

.rsrc Size: 224KB - Virtual size: 224KB

.reloc Size: 220KB - Virtual size: 219KB

06:0c:43:c8:90:48:4c:a5:e4:e0:35:62:6c:80:87:35
Certificate

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5a
Certificate

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5b
Certificate

0c:4d:69:72:4b:94:fa:3c:2a:4a:3d:29:07:80:3d:5a
Certificate

dc:49:02:02:92:4d:54:9d:ef:ef:e7:68:45:bf:9a:d5:ce:d8:3a:74:f7:3e:23:88:8a:07:d3:df:88:20:50:1f
Signer

.text
Size: 4.0MB - Virtual size: 4.0MB

.rdata
Size: 1.8MB - Virtual size: 1.8MB

.data
Size: 50KB - Virtual size: 82KB

_RDATA
Size: 3KB - Virtual size: 2KB

.rsrc
Size: 224KB - Virtual size: 224KB

.reloc
Size: 220KB - Virtual size: 219KB