client[.]zip | Triage

Resubmissions

04/02/2024, 12:15

240204-pfdxzsbcbn 1

04/02/2024, 12:14

240204-pesprabcaj 1

Sharing

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General

Target

client.zip
Size

973KB
MD5

453a5be6290537d4b50a38c7129b474d
SHA1

1826ae11887f5387b29aa5070c02d222acafe014
SHA256

113b1883bb431995613df0b39dd609d95b92c9f70339f032ae65197c37a394ac
SHA512

38bf9ac5cc1dfe8ff640c62cb7cdf1fa0dace0c8787faaeb7d5bc705e0fc629884cf5b921209c5abd2529d48f9048c9587154be1d4a3d1600ec2f0067e6420d3
SSDEEP

24576:Tck0+e2I1eTNUKWrU8RcFNkMCWsuWyl1g:4ge2UeTjWQc6yM1Ky8

Score

1^/10

Malware Config

Signatures

Files

client.zip
.zip
client/client.bat
client/ultravnc.ini
client/winvnc.exe
.exe windows:6 windows x86 arch:x86

e17d69c6298036078d46d8e30d522921

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

4c:03:67:0a:31:e6:2b:9f:ac:b9:d2:d3:70:39:bd:07
Certificate

Issuer

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

Not Before

23/09/2022, 00:00

Not After

22/09/2025, 23:59

Subject

CN=uvnc bvba,O=uvnc bvba,ST=Antwerpen,C=BE

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

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

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

e0:4a:78:a1:f2:34:2f:a1:dd:4c:96:a5:df:90:ba:b4:9c:b3:b6:52:7d:14:ef:ad:90:96:c8:66:c4:00:b3:ee
Signer

Actual PE Digest

e0:4a:78:a1:f2:34:2f:a1:dd:4c:96:a5:df:90:ba:b4:9c:b3:b6:52:7d:14:ef:ad:90:96:c8:66:c4:00:b3:ee

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:\Users\rudi\Desktop\git_ultravnc\winvnc\Release\winvnc.pdb

Imports

ws2_32

htons
setsockopt
WSAGetLastError
getsockopt
recv
connect
htonl
gethostbyname
inet_ntoa
bind
socket
WSACleanup
__WSAFDIsSet
accept
gethostname
WSAIoctl
closesocket
select
shutdown
listen
WSAStartup
getpeername
inet_addr
getsockname
send

version

GetFileVersionInfoSizeA
GetFileVersionInfoA
VerQueryValueA

wtsapi32

WTSQueryUserToken
WTSFreeMemory
WTSEnumerateSessionsA

userenv

CreateEnvironmentBlock
ExpandEnvironmentStringsForUserA
DestroyEnvironmentBlock

kernel32

RaiseException
DecodePointer
WritePrivateProfileStructA
OpenProcess
WritePrivateProfileStringA
GetPrivateProfileStructA
GetPrivateProfileIntA
GetPrivateProfileStringA
WritePrivateProfileSectionA
CreateFileMappingA
Sleep
CreateThread
MulDiv
VerSetConditionMask
VerifyVersionInfoW
ReadFile
WriteFile
OutputDebugStringA
WaitForMultipleObjects
GetEnvironmentVariableA
WaitForSingleObject
CreateFileW
GetSystemDirectoryW
SetCurrentDirectoryA
lstrcatW
LoadLibraryW
SetFileAttributesA
CreateEventA
WaitNamedPipeW
GetExitCodeProcess
ResumeThread
ResetEvent
CompareFileTime
CreateFileA
GetFileSize
GetFileTime
GetStdHandle
WriteConsoleA
FreeConsole
FormatMessageA
AllocConsole
GetExitCodeThread
MoveFileA
GetDriveTypeA
SetFileTime
SetErrorMode
SetFilePointer
SetEndOfFile
GetFileAttributesA
MoveFileExA
FileTimeToSystemTime
GetLogicalDriveStringsA
SystemTimeToFileTime
CreateDirectoryA
GetSystemTime
FlushFileBuffers
TerminateProcess
VirtualAllocEx
ReadProcessMemory
SetThreadExecutionState
WinExec
WTSGetActiveConsoleSessionId
SizeofResource
FindResourceA
LockResource
LoadResource
CreateMutexA
ReleaseMutex
GlobalGetAtomNameA
GlobalDeleteAtom
GetModuleHandleW
SetProcessShutdownParameters
GetVolumeInformationA
ReadConsoleW
GetTimeZoneInformation
GetConsoleMode
GetConsoleOutputCP
GetModuleHandleExW
ExitProcess
SystemTimeToTzSpecificLocalTime
PeekNamedPipe
GetFileInformationByHandle
GetDriveTypeW
LoadLibraryExW
EncodePointer
RtlUnwind
OutputDebugStringW
InitializeSListHead
QueryPerformanceCounter
GetStartupInfoW
IsDebuggerPresent
IsProcessorFeaturePresent
SetUnhandledExceptionFilter
UnhandledExceptionFilter
CreateSemaphoreA
TlsFree
TlsGetValue
TlsAlloc
GetCurrentThread
DuplicateHandle
SetThreadPriority
ReleaseSemaphore
TlsSetValue
InitializeConditionVariable
WakeConditionVariable
WakeAllConditionVariable
SleepConditionVariableCS
GetFileType
lstrcatA
lstrcmpiA
lstrcpynA
DosDateTimeToFileTime
GetLocalTime
FileTimeToLocalFileTime
SetVolumeLabelA
LocalFileTimeToFileTime
GetVersion
GetLocaleInfoA
GetFullPathNameA
lstrcpyA
InitializeCriticalSectionAndSpinCount
Process32Next
SetCurrentDirectoryW
GetCurrentDirectoryW
GetFullPathNameW
GetCurrentProcessId
TerminateThread
ExitThread
FreeLibraryAndExitThread
GetModuleFileNameW
HeapReAlloc
Process32NextW
GlobalAddAtomA
SetEnvironmentVariableW
ProcessIdToSessionId
CreateToolhelp32Snapshot
Process32First
GetComputerNameA
GetSystemInfo
GetSystemDirectoryA
MapViewOfFile
OpenFileMappingA
UnmapViewOfFile
DeleteFileA
GetTempPathA
FindClose
FindNextFileA
FindFirstFileA
GetProcessTimes
GetSystemTimeAsFileTime
DeleteCriticalSection
GetModuleHandleA
InitializeCriticalSection
LeaveCriticalSection
GetCurrentProcess
EnterCriticalSection
CloseHandle
GetVersionExA
SetEvent
GetLastError
GetCurrentThreadId
OpenEventA
GetModuleFileNameA
GetTickCount
FreeLibrary
GetProcessHeap
GetProcAddress
HeapAlloc
LoadLibraryA
lstrlenA
Process32FirstW
SetLastError
HeapFree
GlobalUnlock
WideCharToMultiByte
GlobalLock
GlobalFree
GlobalAlloc
GlobalSize
MultiByteToWideChar
CompareStringW
LCMapStringW
GetLocaleInfoW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
GetStringTypeW
CreateDirectoryW
GetFileSizeEx
DeleteFileW
GetFileAttributesExW
SetFileAttributesW
MoveFileExW
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetACP
GetOEMCP
GetCommandLineA
GetCommandLineW
GetEnvironmentStringsW
FreeEnvironmentStringsW
RemoveDirectoryW
HeapSize
WriteConsoleW
SetFilePointerEx
SetStdHandle
GetCPInfo
VirtualFreeEx

user32

LoadStringW
GetSubMenu
SetMenuDefaultItem
DestroyMenu
TrackPopupMenuEx
RemoveMenu
EnableMenuItem
EnableWindow
GetWindow
VkKeyScanA
IsWindow
GetAsyncKeyState
MapVirtualKeyA
ToAscii
SendInput
SetClipboardViewer
GetClipboardOwner
WaitMessage
PostThreadMessageA
ChangeClipboardChain
SendNotifyMessageA
PeekMessageA
IsWindowVisible
FillRect
GetIconInfo
GetClassNameA
WindowFromPoint
ChangeWindowMessageFilter
EnumDesktopWindows
SetRect
DrawIconEx
DestroyIcon
GetKeyboardState
PtInRect
MessageBeep
FlashWindow
EnumDisplaySettingsExA
EnumDisplayDevicesA
ChangeDisplaySettingsExA
GetKeyState
keybd_event
EnumDisplaySettingsA
GetWindowRect
LoadStringA
ScreenToClient
EndDialog
GetScrollInfo
DialogBoxParamA
GetDlgItemTextA
SetWindowTextA
MoveWindow
SetFocus
SendDlgItemMessageA
SetDlgItemTextA
GetDlgItem
GetCursorPos
ExitWindowsEx
LoadMenuA
EnumWindows
RedrawWindow
SetDlgItemInt
CheckDlgButton
GetDlgItemInt
IntersectRect
LockWorkStation
DrawIcon
SetLayeredWindowAttributes
IsDlgButtonChecked
mouse_event
UpdateWindow
InvalidateRect
GetMessageA
LoadImageA
DispatchMessageA
LoadCursorA
DestroyWindow
SetWindowPos
ShowWindow
SetTimer
DrawTextA
SetWindowLongA
GetWindowLongA
SetWindowDisplayAffinity
AdjustWindowRect
DefWindowProcA
IsRectEmpty
CreateWindowExA
TranslateMessage
LoadIconA
GetClientRect
KillTimer
PostQuitMessage
RegisterClassExA
BeginPaint
EndPaint
wsprintfA
SystemParametersInfoA
GetWindowThreadProcessId
GetUserObjectInformationA
PostMessageA
RegisterWindowMessageA
FindWindowExA
OpenDesktopA
MessageBoxA
GetProcessWindowStation
FindWindowA
GetSystemMetrics
SendMessageA
SetThreadDesktop
GetThreadDesktop
CloseDesktop
GetForegroundWindow
OpenInputDesktop
GetDesktopWindow
GetDC
ReleaseDC
OpenClipboard
CloseClipboard
EmptyClipboard
GetClipboardData
SetClipboardData
IsClipboardFormatAvailable
RegisterClipboardFormatA
GetTopWindow
OemToCharA
CharToOemA
wvsprintfA
SetForegroundWindow

gdi32

GetBitmapBits
SetDIBColorTable
GdiFlush
RealizePalette
CreatePalette
SetBkColor
CreateFontIndirectA
GetObjectA
ExtEscape
GetSystemPaletteEntries
SetRectRgn
OffsetRgn
CreateRectRgn
GetRegionData
PtInRegion
CombineRgn
GetRgnBox
CreateFontA
PatBlt
StretchBlt
GetStockObject
GetClipBox
SetTextColor
SetBkMode
CreatePen
Rectangle
CreateSolidBrush
CreateDCA
BitBlt
DeleteObject
DeleteDC
GetPixel
GetDeviceCaps
GetDIBits
CreateCompatibleDC
CreateDIBSection
SelectObject
SelectPalette
CreateCompatibleBitmap

advapi32

GetSecurityDescriptorLength
GetSecurityDescriptorDacl
GetSecurityDescriptorGroup
GetSecurityDescriptorControl
GetSecurityDescriptorOwner
IsValidSid
IsValidSecurityDescriptor
GetKernelObjectSecurity
SetKernelObjectSecurity
IsValidAcl
SetSecurityInfo
RegCreateKeyA
GetSecurityDescriptorSacl
SetSecurityDescriptorDacl
ConvertStringSecurityDescriptorToSecurityDescriptorA
SetSecurityDescriptorSacl
InitializeSecurityDescriptor
CreateServiceA
AdjustTokenPrivileges
StartServiceCtrlDispatcherA
QueryServiceStatus
RegDeleteKeyA
SetTokenInformation
LookupPrivilegeValueA
SetServiceStatus
RegisterServiceCtrlHandlerA
DeleteService
DuplicateTokenEx
ImpersonateLoggedOnUser
EqualSid
AllocateAndInitializeSid
FreeSid
OpenProcessToken
RevertToSelf
CloseServiceHandle
OpenSCManagerA
GetUserNameA
LookupAccountSidA
OpenServiceA
GetTokenInformation
CreateProcessAsUserA
RegCloseKey
RegQueryValueExA
RegCreateKeyExA
RegSetValueExA
RegOpenKeyExA
RegDeleteValueA

shell32

ShellExecuteA
SHGetMalloc
Shell_NotifyIconW
SHGetPathFromIDListA
SHGetSpecialFolderLocation
SHFileOperationA
ShellExecuteExA

ole32

CoCreateInstance
CoInitialize
CoUninitialize

shlwapi

PathStripPathA

imm32

ImmGetDefaultIMEWnd

dwmapi

ord102
DwmIsCompositionEnabled

iphlpapi

GetAdaptersInfo

Exports

Exports

adler32
adler32_combine
adler32_z
compress
compress2
compressBound
crc32
crc32_combine
crc32_combine_gen
crc32_combine_op
crc32_z
deflate
deflateBound
deflateCopy
deflateEnd
deflateGetDictionary
deflateInit2_
deflateInit_
deflateParams
deflatePending
deflatePrime
deflateReset
deflateResetKeep
deflateSetDictionary
deflateSetHeader
deflateTune
get_crc_table
inflate
inflateCodesUsed
inflateCopy
inflateEnd
inflateGetDictionary
inflateGetHeader
inflateInit2_
inflateInit_
inflateMark
inflatePrime
inflateReset
inflateReset2
inflateResetKeep
inflateSetDictionary
inflateSync
inflateSyncPoint
inflateUndermine
inflateValidate
uncompress
uncompress2
zError
zlibCompileFlags
zlibVersion

Sections

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

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 399KB - Virtual size: 399KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 7KB - Virtual size: 496KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 801KB - Virtual size: 800KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 46KB - Virtual size: 46KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Resubmissions

Sharing

General

Malware Config

Signatures

Files

e17d69c6298036078d46d8e30d522921

Code Sign

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

Extended Key Usages

Key Usages

4c:03:67:0a:31:e6:2b:9f:ac:b9:d2:d3:70:39:bd:07Certificate

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

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

e0:4a:78:a1:f2:34:2f:a1:dd:4c:96:a5:df:90:ba:b4:9c:b3:b6:52:7d:14:ef:ad:90:96:c8:66:c4:00:b3:eeSigner

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

ws2_32

version

wtsapi32

userenv

kernel32

user32

gdi32

advapi32

shell32

ole32

shlwapi

imm32

dwmapi

iphlpapi

Exports

Exports

Sections

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

.rdata Size: 399KB - Virtual size: 399KB

.data Size: 7KB - Virtual size: 496KB

.rsrc Size: 801KB - Virtual size: 800KB

.reloc Size: 46KB - Virtual size: 46KB

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

4c:03:67:0a:31:e6:2b:9f:ac:b9:d2:d3:70:39:bd:07
Certificate

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

e0:4a:78:a1:f2:34:2f:a1:dd:4c:96:a5:df:90:ba:b4:9c:b3:b6:52:7d:14:ef:ad:90:96:c8:66:c4:00:b3:ee
Signer

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

.rdata
Size: 399KB - Virtual size: 399KB

.data
Size: 7KB - Virtual size: 496KB

.rsrc
Size: 801KB - Virtual size: 800KB

.reloc
Size: 46KB - Virtual size: 46KB