IsoBuster_1121[.]exe

Resubmissions

26/03/2024, 10:21

240326-md5a2sah3w 10

25/03/2024, 16:47

240325-vaqx9aga8y 10

25/03/2024, 15:57

240325-td3ksafb4y 10

11/03/2024, 11:55

240311-n3k45sbd9t 3

Sharing

Copy URL Twitter E-mail

General

Target

IsoBuster_1121.exe
Size

4.4MB
MD5

81bf17b6bc712eec07e481349afc3dbc
SHA1

eedecca191d3a6b1f16483714343fe1019d7fc62
SHA256

81baf334067384061f84fb8335cd811aa22984601ad103e3f575f0a5cb9a639b
SHA512

3aa53bfc176d2313e7a02c8f3511e1892adcacf02ee28135e5ae46b1224fdfaef6ddcba8b5f9b340c40c39d22b87d23468401df2c84ac57c57fdeabf2f302171
SSDEEP

98304:N66Gk0yb11o7MzinbmzDEI10S1xm5BPxWMpqfMru4Wlr:j50yZq7JmzDEI10S1xm5npWt

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
IsoBuster_1121.exe

Files

IsoBuster_1121.exe
.exe windows:4 windows x86 arch:x86

271555ad513f3a410b3dd702491f46c1

Headers

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE

Imports

comctl32

ImageList_Read
ImageList_Remove
ImageList_Replace
ImageList_ReplaceIcon
ImageList_SetBkColor
ImageList_LoadImageW
ImageList_SetImageCount
ImageList_SetOverlayImage
ImageList_Write
ord17
InitializeFlatSB
ImageList_GetImageInfo
ImageList_GetImageCount
ImageList_GetIconSize
ImageList_GetDragImage
ImageList_GetBkColor
ImageList_EndDrag
ImageList_DrawEx
ImageList_DragShowNolock
ImageList_DragMove
ImageList_DragLeave
ImageList_DragEnter
ImageList_Destroy
ImageList_Create
ImageList_Copy
ImageList_BeginDrag
ImageList_Add
FlatSB_SetScrollProp
FlatSB_SetScrollPos
FlatSB_SetScrollInfo
FlatSB_GetScrollPos
FlatSB_GetScrollInfo
ImageList_SetIconSize
_TrackMouseEvent

version

GetFileVersionInfoW
VerQueryValueW
GetFileVersionInfoSizeW

kernel32

DeleteCriticalSection
DeleteFileW
EnumCalendarInfoW
EnumResourceNamesW
ExitProcess
ExitThread
FileTimeToDosDateTime
FileTimeToLocalFileTime
FindClose
FindFirstFileW
FindNextFileW
FindResourceW
FormatMessageW
FreeResource
GetComputerNameW
GetCPInfoExW
GetDateFormatW
GetDiskFreeSpaceW
GetEnvironmentVariableW
GetExitCodeProcess
GetExitCodeThread
GetFileAttributesExW
GetFileAttributesW
GetFileSize
GetFullPathNameW
GetLastError
GetLocaleInfoW
GetLocalTime
GetModuleFileNameW
GetModuleHandleW
GetPrivateProfileStringW
GetStartupInfoW
GetStdHandle
GetSystemInfo
GetTempPathW
GetThreadLocale
GetThreadPriority
GetTimeZoneInformation
GetVersion
GetVersionExW
GetVolumeInformationW
GlobalAddAtomW
GlobalAlloc
GlobalDeleteAtom
GlobalFindAtomW
CreateThread
GlobalLock
GlobalUnlock
HeapAlloc
HeapCreate
HeapDestroy
HeapFree
HeapSize
InterlockedCompareExchange
InterlockedExchange
IsValidLocale
LoadLibraryExW
LoadLibraryW
LoadResource
LocalFree
LockResource
lstrcpynW
lstrlenW
MulDiv
MultiByteToWideChar
RaiseException
ReadFile
RemoveDirectoryW
ResetEvent
ResumeThread
SetEndOfFile
SetErrorMode
SetEvent
SetFilePointer
SetLastError
SetThreadLocale
SetThreadPriority
SizeofResource
Sleep
SuspendThread
TerminateProcess
TlsGetValue
TlsSetValue
UnhandledExceptionFilter
VirtualAlloc
VirtualFree
VirtualProtect
VirtualQuery
VirtualQueryEx
WaitForMultipleObjectsEx
WaitForSingleObject
WideCharToMultiByte
WinExec
WriteFile
WritePrivateProfileStringW
InterlockedIncrement
InterlockedDecrement
GetStringTypeW
GetStringTypeA
LCMapStringW
LCMapStringA
HeapReAlloc
GetOEMCP
GetACP
GetCPInfo
GetVersionExA
GetEnvironmentVariableA
TlsAlloc
GetFileType
SetHandleCount
GetEnvironmentStringsW
GetEnvironmentStrings
FreeEnvironmentStringsW
FreeEnvironmentStringsA
GetModuleFileNameA
GetCurrentProcess
GetModuleHandleA
RtlUnwind
CreateProcessW
CreatePipe
CreateMutexW
CreateFileW
CreateEventW
CreateDirectoryW
CompareStringW
CloseHandle
GetCommandLineW
LocalAlloc
GetConsoleMode
CreateEventA
GetStartupInfoA
GetCommandLineA
InitializeCriticalSection
EnterCriticalSection
LeaveCriticalSection
GetSystemTimeAsFileTime
GetCurrentProcessId
GetCurrentThreadId
GetTickCount
QueryPerformanceCounter
FreeLibrary
LoadLibraryA
GetProcAddress
GlobalFree

user32

GetParent
GetPropW
GetScrollInfo
GetScrollPos
GetScrollRange
GetSubMenu
GetSysColorBrush
GetSystemMenu
GetSystemMetrics
GetWindowDC
GetWindowLongW
GetWindowPlacement
GetWindowTextW
GetWindowThreadProcessId
HideCaret
InflateRect
InsertMenuItemW
InvalidateRect
IsChild
IsDialogMessageA
IsDialogMessageW
IsIconic
IsWindowEnabled
IsWindowUnicode
IsWindowVisible
IsZoomed
KillTimer
LoadBitmapW
LoadCursorW
LoadIconW
LoadKeyboardLayoutW
LoadStringW
MapVirtualKeyW
MapWindowPoints
MessageBeep
MessageBoxA
MessageBoxW
MsgWaitForMultipleObjectsEx
OffsetRect
OpenClipboard
PeekMessageA
PeekMessageW
PostMessageW
PostQuitMessage
PtInRect
RedrawWindow
RegisterClassW
RegisterClipboardFormatW
RegisterWindowMessageW
ReleaseCapture
RemoveMenu
RemovePropW
ScreenToClient
ScrollWindow
SendMessageA
SendMessageW
SendNotifyMessageW
SetActiveWindow
SetCapture
SetClassLongW
SetClipboardData
SetCursorPos
SetFocus
SetForegroundWindow
GetMessageExtraInfo
SetParent
SetPropW
SetRect
GetKeyboardState
SetScrollPos
SetScrollRange
SetTimer
SetWindowLongW
SetWindowPlacement
SetWindowPos
SetWindowRgn
SetWindowsHookExW
SetWindowTextW
ShowCaret
ShowOwnedPopups
ShowScrollBar
ShowWindow
SystemParametersInfoW
TrackPopupMenu
TranslateMDISysAccel
TranslateMessage
UnhookWindowsHookEx
UnregisterClassW
UpdateWindow
WaitMessage
WindowFromPoint
GetClassLongW
GetClassInfoW
GetClassInfoExW
GetActiveWindow
FrameRect
FindWindowW
FindWindowExW
ReleaseDC
GetWindowRect
GetDesktopWindow
GetDC
GetKeyState
ActivateKeyboardLayout
AdjustWindowRectEx
FillRect
EnumWindows
EnumThreadWindows
EnumChildWindows
EndPaint
EnableWindow
EnableScrollBar
EnableMenuItem
EmptyClipboard
DrawTextW
DrawTextExW
DrawMenuBar
DrawIconEx
DrawFrameControl
DrawFocusRect
DrawEdge
DispatchMessageW
DispatchMessageA
DestroyWindow
DestroyMenu
DestroyIcon
DestroyCursor
DeleteMenu
GetMenuStringW
GetMenuState
GetMenuItemInfoW
GetMenuItemID
GetMenuItemCount
GetLastActivePopup
SetMenuItemInfoW
GetKeyNameTextW
BeginPaint
CallNextHookEx
CallWindowProcW
CharLowerBuffW
CharLowerW
CharNextW
CharUpperBuffW
CharUpperW
CheckMenuItem
GetKeyboardLayoutNameW
GetKeyboardLayoutList
GetIconInfo
GetForegroundWindow
GetFocus
GetDlgItem
GetDlgCtrlID
GetDCEx
GetCursorPos
GetClipboardData
GetClientRect
SetScrollInfo
GetClassNameW
DefWindowProcW
DefMDIChildProcW
DefFrameProcW
CreateWindowExW
CreatePopupMenu
CreateMenu
CreateIcon
CreateAcceleratorTableW
CopyImage
CopyIcon
CloseClipboard
ClientToScreen
GetCapture

gdi32

CreateDIBSection
SelectObject
BitBlt
DeleteObject
CreateCompatibleDC
DeleteDC

winspool.drv

EnumPrintersW
OpenPrinterW
DocumentPropertiesW
ClosePrinter

comdlg32

GetOpenFileNameW

advapi32

RegOpenKeyExW
RegLoadKeyW
RegFlushKey
RegEnumValueW
RegEnumKeyExW
RegDeleteValueW
RegDeleteKeyW
RegCreateKeyExW
RegConnectRegistryW
AllocateAndInitializeSid
InitializeSecurityDescriptor
SetSecurityDescriptorDacl
RegCloseKey
RegQueryValueExW
RegReplaceKeyW
RegRestoreKeyW
RegSaveKeyW
RegSetValueExW
RegUnLoadKeyW
RegQueryInfoKeyW

shell32

Shell_NotifyIconW
DragQueryPoint
DragQueryFileW
DragFinish
DragAcceptFiles
CommandLineToArgvW
ShellExecuteW

ole32

CoCreateInstance
CoInitialize
CoTaskMemAlloc
CoTaskMemFree
CoUninitialize
OleInitialize
OleUninitialize
StringFromCLSID

oleaut32

VariantCopy
VariantClear
VariantChangeType
SysReAllocStringLen
SysFreeString
SysAllocStringLen
SafeArrayPtrOfIndex
SafeArrayGetUBound
SafeArrayGetLBound
SafeArrayCreate
GetErrorInfo
VariantInit

Sections

.text
Size: 780KB - Virtual size: 777KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.bdata1
Size: 12KB - Virtual size: 11KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 12KB - Virtual size: 20KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 2.5MB - Virtual size: 2.5MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.ib1121
Size: 1.2MB - Virtual size: 1.2MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

Resubmissions

Sharing

General

Malware Config

Signatures

Files

271555ad513f3a410b3dd702491f46c1

Headers

File Characteristics

Imports

comctl32

version

kernel32

user32

gdi32

winspool.drv

comdlg32

advapi32

shell32

ole32

oleaut32

Sections

.text Size: 780KB - Virtual size: 777KB

.bdata1 Size: 12KB - Virtual size: 11KB

.data Size: 12KB - Virtual size: 20KB

.rsrc Size: 2.5MB - Virtual size: 2.5MB

.ib1121 Size: 1.2MB - Virtual size: 1.2MB

.text
Size: 780KB - Virtual size: 777KB

.bdata1
Size: 12KB - Virtual size: 11KB

.data
Size: 12KB - Virtual size: 20KB

.rsrc
Size: 2.5MB - Virtual size: 2.5MB

.ib1121
Size: 1.2MB - Virtual size: 1.2MB