CJEN[.]exe | Triage

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General

Target

CJEN.exe
Size

2.6MB
MD5

e59ea01b1266a86c755a8b9bb6c53fa4
SHA1

c0c546fbae51968ea8b4e13c88953fc2eeb78a02
SHA256

f331883801d226ac73ec02b2dc527810fd823450ae427bdee5112f1cd090aa36
SHA512

91ef1fa25c18dc0f15a8d0fdf45a77985efbc22ad7394b343af12bb91ff0e9c733f2bf513ee13d7547350ab6fc4bac68799ffc358df8a3c38829dd2a95785145
SSDEEP

24576:oEddr+/JkOCREorhZ7Sp9UoYl0TVqUS06XL9ukJBIS+yMyhAlbwPxJLeFDWMDzww:oBCpZ74V60xqRXlJBgyAqHLeI7WTH

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
CJEN.exe

Files

CJEN.exe
.exe windows:4 windows x86 arch:x86

52fa28ba5b00996ad09fa934f9da8561

Headers

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

winmm

midiStreamOut
midiOutPrepareHeader
waveOutWrite
waveOutPause
waveOutReset
waveOutClose
waveOutGetNumDevs
waveOutOpen
midiOutUnprepareHeader
midiStreamOpen
midiStreamProperty
midiStreamStop
midiOutReset
midiStreamClose
midiStreamRestart
waveOutUnprepareHeader
waveOutRestart
waveOutPrepareHeader

ws2_32

WSACleanup
inet_ntoa
closesocket
getpeername
accept
ntohl
WSAAsyncSelect
recvfrom
ioctlsocket
recv

kernel32

OpenProcess
GetWindowsDirectoryA
GetSystemDirectoryA
SetLastError
GetTimeZoneInformation
GetVersion
TerminateThread
CreateMutexA
TerminateProcess
SuspendThread
UnhandledExceptionFilter
GetACP
HeapSize
RaiseException
GetLocalTime
GetSystemTime
RtlUnwind
GetStartupInfoA
GetOEMCP
GetCPInfo
GetProcessVersion
SetErrorMode
GlobalFlags
GetCurrentThread
GetFileTime
TlsGetValue
LocalReAlloc
TlsSetValue
TlsFree
GlobalHandle
TlsAlloc
LocalAlloc
lstrcmpA
GlobalGetAtomNameA
GlobalAddAtomA
GlobalFindAtomA
GlobalDeleteAtom
lstrcmpiA
SetEndOfFile
UnlockFile
LockFile
FlushFileBuffers
DuplicateHandle
lstrcpynA
FileTimeToLocalFileTime
FileTimeToSystemTime
LocalFree
InterlockedDecrement
InterlockedIncrement
GetCurrentProcess
GetFileSize
SetFilePointer
CreateToolhelp32Snapshot
Process32First
Process32Next
CreateSemaphoreA
ResumeThread
ReleaseSemaphore
EnterCriticalSection
LeaveCriticalSection
GetProfileStringA
WriteFile
WaitForMultipleObjects
CreateFileA
SetEvent
FindResourceA
LoadResource
LockResource
ReadFile
lstrlenW
RemoveDirectoryA
GetModuleFileNameA
WideCharToMultiByte
MultiByteToWideChar
GetCurrentThreadId
ExitProcess
GlobalSize
GlobalFree
DeleteCriticalSection
InitializeCriticalSection
lstrcatA
lstrlenA
WinExec
lstrcpyA
FindNextFileA
InterlockedExchange
GlobalReAlloc
HeapFree
HeapReAlloc
GetProcessHeap
HeapAlloc
GetUserDefaultLCID
GetFullPathNameA
FreeLibrary
LoadLibraryA
GetLastError
GetVersionExA
WritePrivateProfileStringA
GetPrivateProfileStringA
CreateThread
CreateEventA
Sleep
ExpandEnvironmentStringsA
GlobalAlloc
GlobalLock
GlobalUnlock
GetTempPathA
FindFirstFileA
FindClose
SetFileAttributesA
GetFileAttributesA
DeleteFileA
SetCurrentDirectoryA
GetVolumeInformationA
GetModuleHandleA
GetProcAddress
MulDiv
GetCommandLineA
GetTickCount
CreateProcessA
WaitForSingleObject
CloseHandle
FreeEnvironmentStringsA
FreeEnvironmentStringsW
GetEnvironmentStrings
GetEnvironmentStringsW
SetHandleCount
GetStdHandle
GetFileType
GetEnvironmentVariableA
HeapDestroy
HeapCreate
VirtualFree
SetEnvironmentVariableA
LCMapStringA
LCMapStringW
VirtualAlloc
IsBadWritePtr
SetUnhandledExceptionFilter
GetStringTypeA
GetStringTypeW
CompareStringA
CompareStringW
IsBadReadPtr
IsBadCodePtr
SetStdHandle
ReleaseMutex

user32

DestroyAcceleratorTable
GetWindow
GetActiveWindow
SetFocus
IsIconic
PeekMessageA
SetMenu
GetMenu
SetWindowRgn
GetMessagePos
ScreenToClient
GetSysColorBrush
GetKeyState
TranslateAcceleratorA
IsWindowEnabled
ShowWindow
SystemParametersInfoA
LoadImageA
EnumDisplaySettingsA
ClientToScreen
EnableMenuItem
GetSubMenu
GetDlgCtrlID
CreateAcceleratorTableA
CreateMenu
ModifyMenuA
AppendMenuA
CreatePopupMenu
DrawIconEx
CreateIconFromResource
CreateIconFromResourceEx
SetRectEmpty
DispatchMessageA
GetMessageA
ChildWindowFromPointEx
CopyRect
LoadBitmapA
WinHelpA
KillTimer
SetTimer
ReleaseCapture
GetCapture
SetCapture
GetScrollRange
SetScrollRange
SetScrollPos
LoadStringA
GetMenuCheckMarkDimensions
GetMenuState
SetMenuItemBitmaps
CheckMenuItem
SetRect
InflateRect
IntersectRect
DeleteMenu
PtInRect
OffsetRect
IsWindowVisible
EnableWindow
RedrawWindow
GetWindowLongA
SetWindowLongA
GetSysColor
SetActiveWindow
SetCursorPos
LoadCursorA
SetCursor
GetDC
FillRect
IsRectEmpty
ReleaseDC
IsChild
DestroyMenu
SetForegroundWindow
GetWindowRect
EqualRect
UpdateWindow
ValidateRect
InvalidateRect
GetClientRect
GetFocus
GetParent
GetTopWindow
PostMessageA
IsWindow
SetParent
DestroyCursor
SendMessageA
SetWindowPos
MessageBoxA
GetCursorPos
GetSystemMetrics
EmptyClipboard
SetClipboardData
OpenClipboard
GetClipboardData
CloseClipboard
wsprintfA
WaitForInputIdle
GetSystemMenu
WindowFromPoint
DrawFocusRect
DrawEdge
DrawFrameControl
TranslateMessage
LoadIconA
GetDesktopWindow
GetClassNameA
GetWindowThreadProcessId
FindWindowA
GetDlgItem
GetWindowTextA
GetForegroundWindow
DefWindowProcA
GetClassInfoA
IsZoomed
PostQuitMessage
DestroyIcon
CopyAcceleratorTableA
UnregisterClassA
RegisterClipboardFormatA
GetWindowTextLengthA
CharUpperA
GetWindowDC
BeginPaint
EndPaint
TabbedTextOutA
DrawTextA
GrayStringA
DestroyWindow
CreateDialogIndirectParamA
EndDialog
GetNextDlgTabItem
GetWindowPlacement
RegisterWindowMessageA
GetLastActivePopup
GetMessageTime
RemovePropA
CallWindowProcA
GetPropA
UnhookWindowsHookEx
SetPropA
GetClassLongA
CallNextHookEx
SetWindowsHookExA
CreateWindowExA
GetMenuItemID
GetMenuItemCount
RegisterClassA
GetScrollPos
AdjustWindowRectEx
MapWindowPoints
SendDlgItemMessageA
ScrollWindowEx
IsDialogMessageA
SetWindowTextA
MoveWindow

gdi32

GetViewportExtEx
ExtSelectClipRgn
LineTo
MoveToEx
ExcludeClipRect
GetClipBox
GetStockObject
GetObjectA
EndPage
EndDoc
DeleteDC
StartDocA
StartPage
BitBlt
GetPixel
CreateCompatibleDC
Ellipse
Rectangle
LPtoDP
PtVisible
GetCurrentObject
RoundRect
GetTextExtentPoint32A
GetDeviceCaps
CreateDIBitmap
DeleteObject
SelectClipRgn
CreatePolygonRgn
GetClipRgn
SetStretchBltMode
ExtCreateRegion
SetPixel
CreateDIBSection
CreateRectRgnIndirect
SetBkColor
ScaleWindowExtEx
SetWindowExtEx
SetWindowOrgEx
ScaleViewportExtEx
SetViewportExtEx
OffsetViewportOrgEx
SetViewportOrgEx
SetMapMode
SetTextColor
SetROP2
SetPolyFillMode
RectVisible
TextOutA
ExtTextOutA
Escape
GetTextMetricsA
CreateFontIndirectA
CreateSolidBrush
FillRgn
CreateRectRgn
CombineRgn
PatBlt
CreatePen
SelectObject
CreateBitmap
CreateDCA
CreateCompatibleBitmap
GetPolyFillMode
GetStretchBltMode
GetROP2
GetBkColor
GetBkMode
GetTextColor
CreateRoundRectRgn
CreateEllipticRgn
SetBkMode
RestoreDC
SaveDC
PathToRegion
EndPath
BeginPath
GetWindowOrgEx
GetViewportOrgEx
GetWindowExtEx
GetDIBits
RealizePalette
SelectPalette
GetSystemPaletteEntries
DPtoLP
StretchBlt
CreatePalette

winspool.drv

OpenPrinterA
DocumentPropertiesA
ClosePrinter

advapi32

RegQueryValueExA
RegOpenKeyExA
RegSetValueExA
RegQueryValueA
RegCreateKeyExA
RegCloseKey

shell32

SHGetSpecialFolderPathA
Shell_NotifyIconA
ShellExecuteA

ole32

CLSIDFromProgID
OleRun
CoCreateInstance
CLSIDFromString
OleUninitialize
OleInitialize

oleaut32

UnRegisterTypeLi
LoadTypeLi
LHashValOfNameSys
RegisterTypeLi
SafeArrayPutElement
SafeArrayCreate
SafeArrayDestroy
SysAllocString
VariantInit
VariantCopyInd
SafeArrayGetElement
SafeArrayAccessData
SafeArrayUnaccessData
SafeArrayGetDim
SafeArrayGetLBound
SafeArrayGetUBound
VariantChangeType
VariantClear

comctl32

ord17
ImageList_Destroy

comdlg32

ChooseColorA
GetFileTitleA
GetSaveFileNameA
GetOpenFileNameA

Sections

.text
Size: 748KB - Virtual size: 745KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 1.7MB - Virtual size: 1.7MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 96KB - Virtual size: 321KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 48KB - Virtual size: 45KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

52fa28ba5b00996ad09fa934f9da8561

Headers

File Characteristics

Imports

winmm

ws2_32

kernel32

user32

gdi32

winspool.drv

advapi32

shell32

ole32

oleaut32

comctl32

comdlg32

Sections

.text Size: 748KB - Virtual size: 745KB

.rdata Size: 1.7MB - Virtual size: 1.7MB

.data Size: 96KB - Virtual size: 321KB

.rsrc Size: 48KB - Virtual size: 45KB

.text
Size: 748KB - Virtual size: 745KB

.rdata
Size: 1.7MB - Virtual size: 1.7MB

.data
Size: 96KB - Virtual size: 321KB

.rsrc
Size: 48KB - Virtual size: 45KB