Static task
static1
Behavioral task
behavioral1
Sample
OTOTjU.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
OTOTjU.exe
Resource
win10v2004-20240709-en
General
-
Target
48f21c28de9fa584e101c2bce41bbe66740530d053a82fa5dd52146696613313
-
Size
1020KB
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MD5
99ab443e1486b9ba41ea6debc9fa0481
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SHA1
992608f5e80f59180e12350347101026001e426f
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SHA256
48f21c28de9fa584e101c2bce41bbe66740530d053a82fa5dd52146696613313
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SHA512
0bd87a262982aeaec695df1dd87b76847362270d85bdacc4738308f7eeaa5485c362a877f9de232dbb88418b194d61929653f50d8732590bbf9b869dc451721d
-
SSDEEP
24576:reiqwWs8eCbNe6cEhdREbmB5aTNs/2w0Ok:qiqM80AREbmB5Qau5
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/OTOTjU.exe
Files
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48f21c28de9fa584e101c2bce41bbe66740530d053a82fa5dd52146696613313.rar
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OTOTjU.exe.exe windows:4 windows x86 arch:x86
0f4fb1249a9b9dc829f3810f5ae4d16a
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
GetSystemTimeAsFileTime
CreateDirectoryA
ExitProcess
TerminateProcess
GetStartupInfoA
RaiseException
HeapSize
HeapDestroy
HeapCreate
VirtualFree
VirtualAlloc
IsBadWritePtr
GetTimeZoneInformation
GetStdHandle
UnhandledExceptionFilter
FreeEnvironmentStringsA
GetEnvironmentStrings
FreeEnvironmentStringsW
GetEnvironmentStringsW
HeapAlloc
GetFileType
QueryPerformanceCounter
GetCurrentProcessId
SetUnhandledExceptionFilter
LCMapStringA
LCMapStringW
GetStringTypeA
GetStringTypeW
IsBadReadPtr
IsBadCodePtr
VirtualProtect
GetSystemInfo
VirtualQuery
SetStdHandle
SetEnvironmentVariableA
HeapReAlloc
HeapFree
RtlUnwind
WritePrivateProfileStringA
GetFileTime
FileTimeToLocalFileTime
SetErrorMode
GetOEMCP
GetCPInfo
InterlockedIncrement
TlsFree
DeleteCriticalSection
LocalReAlloc
TlsSetValue
TlsAlloc
InitializeCriticalSection
TlsGetValue
EnterCriticalSection
GlobalHandle
GlobalReAlloc
LeaveCriticalSection
LocalAlloc
GlobalFlags
FormatMessageA
LocalFree
GetCurrentThread
GlobalAlloc
lstrcmpA
ConvertDefaultLocale
EnumResourceLanguagesA
InterlockedDecrement
FileTimeToSystemTime
CreateFileA
GetFullPathNameA
GetVolumeInformationA
GetCurrentProcess
DuplicateHandle
GetFileSize
SetEndOfFile
UnlockFile
LockFile
FlushFileBuffers
SetFilePointer
WriteFile
ReadFile
SetLastError
GetModuleFileNameA
lstrcpynA
GetCurrentThreadId
GlobalGetAtomNameA
GlobalAddAtomA
GlobalFindAtomA
GlobalDeleteAtom
LoadLibraryA
FreeLibrary
lstrcatA
lstrcmpW
lstrcpyA
GetModuleHandleA
GetProcAddress
FreeResource
lstrlenA
lstrcmpiA
CompareStringW
CompareStringA
GetVersion
MultiByteToWideChar
MulDiv
CreateEventA
CreateThread
WideCharToMultiByte
GetOverlappedResult
GetLastError
CloseHandle
WaitForSingleObject
TerminateThread
FindResourceA
LoadResource
LockResource
SizeofResource
GetVersionExA
GetThreadLocale
GetLocaleInfoA
GetACP
InterlockedExchange
DeleteFileA
Sleep
Beep
FindFirstFileA
FindClose
FindNextFileA
GetLocalTime
GetCommandLineA
GetTickCount
GlobalLock
GlobalUnlock
GlobalFree
GetFileAttributesA
CancelIo
SetHandleCount
user32
GrayStringA
DrawTextExA
DrawTextA
TabbedTextOutA
SetMenuItemBitmaps
ModifyMenuA
GetMenuState
EnableMenuItem
GetMenuCheckMarkDimensions
LoadBitmapA
ShowWindow
MoveWindow
SetWindowTextA
IsDialogMessageA
CreateWindowExA
SetWindowsHookExA
CallNextHookEx
GetClassLongA
GetClassInfoExA
GetClassNameA
SetPropA
GetPropA
RemovePropA
SendDlgItemMessageA
GetFocus
SetFocus
IsChild
GetWindowTextA
GetForegroundWindow
GetLastActivePopup
DispatchMessageA
GetTopWindow
UnhookWindowsHookEx
GetMessageTime
GetMessagePos
MapWindowPoints
MessageBoxA
GetKeyState
SetForegroundWindow
UpdateWindow
GetMenu
GetSubMenu
GetMenuItemID
GetMenuItemCount
GetSysColor
ScreenToClient
EqualRect
RegisterClassA
UnregisterClassA
GetDlgCtrlID
DefWindowProcA
CallWindowProcA
SetWindowLongA
SetWindowPos
OffsetRect
IntersectRect
SystemParametersInfoA
GetWindowPlacement
GetWindow
GetDesktopWindow
GetActiveWindow
SetActiveWindow
CreateDialogIndirectParamA
DestroyWindow
IsWindow
GetWindowLongA
GetDlgItem
IsWindowEnabled
GetParent
GetNextDlgTabItem
EndDialog
RegisterWindowMessageA
ReleaseCapture
PtInRect
SetCapture
EnableWindow
BeginPaint
EndPaint
MessageBeep
GetNextDlgGroupItem
InvalidateRgn
CopyAcceleratorTableA
IsRectEmpty
CharNextA
GetCapture
CharUpperA
PeekMessageA
GetSystemMetrics
LoadIconA
WinHelpA
KillTimer
SetTimer
IsIconic
GetSystemMenu
AppendMenuA
DrawIcon
PostMessageA
InvalidateRect
PostThreadMessageA
GetWindowRect
LoadImageA
ReleaseDC
GetDC
CopyRect
SetRect
SendMessageA
IsWindowVisible
GetClientRect
GetClassInfoA
LoadCursorA
GetSysColorBrush
WindowFromPoint
DestroyMenu
RegisterClipboardFormatA
SetWindowContextHelpId
MapDialogRect
GetMessageA
TranslateMessage
GetCursorPos
ValidateRect
SetCursor
PostQuitMessage
wsprintfA
GetWindowDC
AdjustWindowRectEx
ClientToScreen
CheckMenuItem
comdlg32
GetFileTitleA
PrintDlgA
advapi32
RegCloseKey
RegOpenKeyA
RegOpenKeyExA
RegDeleteKeyA
RegEnumKeyA
RegQueryValueA
RegCreateKeyExA
RegSetValueExA
RegQueryValueExA
comctl32
ord17
ImageList_Destroy
shlwapi
PathIsUNCA
PathFindExtensionA
PathStripToRootA
PathFindFileNameA
oledlg
ord8
ole32
CoTaskMemAlloc
OleRun
CoTaskMemFree
OleInitialize
CoFreeUnusedLibraries
OleUninitialize
CLSIDFromString
CLSIDFromProgID
CoCreateInstance
CoGetClassObject
StgOpenStorageOnILockBytes
StgCreateDocfileOnILockBytes
CreateILockBytesOnHGlobal
CoRegisterMessageFilter
OleFlushClipboard
OleIsCurrentClipboard
CoRevokeClassObject
oleaut32
SysFreeString
VariantChangeType
VariantInit
SysAllocStringLen
SystemTimeToVariantTime
SysAllocString
SysStringLen
SysAllocStringByteLen
VariantCopy
SafeArrayDestroy
OleCreateFontIndirect
VariantClear
Sections
.text Size: 480KB - Virtual size: 478KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 92KB - Virtual size: 88KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 36KB - Virtual size: 68KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 5.0MB - Virtual size: 5.0MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ