vbuck[.]exe | Triage

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General

Target

vbuck.exe
Size

209KB
MD5

1db3e21deebe4a08af953502d8d85536
SHA1

2063bd115891c2244d489756f076e1848a93bfdb
SHA256

03bae4b6748b4e20f0269fc9b341fe68056dd4b38cd8a146a0daf0b639679dc7
SHA512

018f60674eebcbc2e107fde370f61f69fcc9f7d8433bfedf81c50545f7feed23f8e51ee69aaf56350ab70542b03fcef91e4fe2731bc22f3a4465342c43b1d059
SSDEEP

3072:pHM12V7szsxN0tRnUOJoLSwXoKOs6wLddGxhNEATkJg6oXX/vbnKGRi4AY/AO:jpctprsksNdGjNEKky6oXX37DM4AqAO

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
vbuck.exe

Files

vbuck.exe
.exe windows:4 windows x86 arch:x86

340b26a6ac96e1f65d062cee2842c6ed

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE

Imports

oleaut32

SysAllocStringLen
SysAllocString
VariantClear
SysFreeString
SysStringLen

ole32

CoUninitialize
CoTaskMemFree
CoCreateInstance
CoInitialize
OleInitialize

user32

CheckDlgButton
IsDlgButtonChecked
EndDialog
SetDlgItemTextW
GetFocus
SetFocus
GetKeyState
InvalidateRect
SetWindowTextW
EnableWindow
PostMessageW
MessageBoxW
DialogBoxParamW
SetWindowLongW
GetWindowLongW
SetTimer
GetParent
ShowWindow
MoveWindow
ScreenToClient
GetDlgItem
GetWindowRect
MapDialogRect
MonitorFromWindow
GetMonitorInfoA
SystemParametersInfoW
GetWindowTextLengthW
GetWindowTextW
SendMessageW
LoadStringW
SetClipboardData
EmptyClipboard
CloseClipboard
OpenClipboard
CharUpperW
LoadIconW
SetCursor
LoadCursorW
KillTimer

shell32

SHBrowseForFolderW
SHGetFileInfoW
SHGetPathFromIDListW

msvcrt

free
wcsstr
wcscmp
strlen
_beginthreadex
_except_handler3
??1type_info@@UAE@XZ
?terminate@@YAXXZ
__dllonexit
_onexit
_exit
_XcptFilter
exit
_acmdln
__getmainargs
_initterm
__setusermatherr
_adjust_fdiv
__p__commode
__p__fmode
__set_app_type
_controlfp
memcpy
memmove
memset
_purecall
memcmp
_CxxThrowException
__CxxFrameHandler
malloc

kernel32

GetStartupInfoA
InitializeCriticalSection
ReleaseSemaphore
CreateSemaphoreW
ResetEvent
SetEvent
CreateEventW
WaitForSingleObject
GetVersion
IsProcessorFeaturePresent
VirtualFree
VirtualAlloc
SetPriorityClass
WaitForMultipleObjects
DeleteCriticalSection
Sleep
EnterCriticalSection
LeaveCriticalSection
GetStdHandle
GlobalMemoryStatus
GetSystemInfo
GetCurrentProcess
GetProcessAffinityMask
FileTimeToLocalFileTime
FileTimeToSystemTime
CompareFileTime
GlobalFree
GlobalAlloc
SetEndOfFile
WriteFile
ReadFile
SetFilePointer
GetFileSize
GetLogicalDriveStringsW
GetFileInformationByHandle
GetFileAttributesW
GetModuleHandleA
FindNextFileW
FindFirstFileW
FindClose
GetTickCount
GetCurrentDirectoryW
SetLastError
DeleteFileW
CreateDirectoryW
GetModuleHandleW
MoveFileW
RemoveDirectoryW
SetFileAttributesW
CreateFileW
SetFileTime
CloseHandle
GetSystemDirectoryW
FormatMessageW
LocalFree
GetModuleFileNameW
LoadLibraryExW
GlobalLock
GlobalUnlock
MultiByteToWideChar
GetLastError
LoadLibraryW
GetProcAddress
FreeLibrary
GetCommandLineW
GetVersionExW

Sections

.text
Size: 171KB - Virtual size: 170KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 26KB - Virtual size: 26KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 17KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.sxdata
Size: 512B - Virtual size: 4B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 10KB - Virtual size: 9KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

340b26a6ac96e1f65d062cee2842c6ed

Headers

DLL Characteristics

File Characteristics

Imports

oleaut32

ole32

user32

shell32

msvcrt

kernel32

Sections

.text Size: 171KB - Virtual size: 170KB

.rdata Size: 26KB - Virtual size: 26KB

.data Size: 512B - Virtual size: 17KB

.sxdata Size: 512B - Virtual size: 4B

.rsrc Size: 10KB - Virtual size: 9KB

.text
Size: 171KB - Virtual size: 170KB

.rdata
Size: 26KB - Virtual size: 26KB

.data
Size: 512B - Virtual size: 17KB

.sxdata
Size: 512B - Virtual size: 4B

.rsrc
Size: 10KB - Virtual size: 9KB