Static task
static1
Behavioral task
behavioral1
Sample
Join ExE/COMDLG32.dll
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
Join ExE/COMDLG32.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral3
Sample
Join ExE/Join ExE.exe
Resource
win7-20231215-en
Behavioral task
behavioral4
Sample
Join ExE/Join ExE.exe
Resource
win10v2004-20231222-en
General
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Target
41fa217531904a71a8a0c9d53fb551b0
-
Size
150KB
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MD5
41fa217531904a71a8a0c9d53fb551b0
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SHA1
922e97fe77761ff09bfc72da0090a9c1544a221f
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SHA256
e3a04a4fd9406839f2ee48f5865405212d3e0f7995ff42ad391df253872b312e
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SHA512
fcfc478fd2252583b6a4f9f5e081c61a24197c22629ae0c6837c9d82ed8f5f44fa2b19d3b813a2412c6078819b279b29337663910289c44081390a0c95f93288
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SSDEEP
3072:Ov1yYM5G6Qog9mexWtIvi3YmxEtspcU/54FYN8Bpp5Mu16fgnVTkVp5:OcYM5Gfog9megtI9KpcU/549p5vsf4kx
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/Join ExE/Join ExE.exe
Files
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41fa217531904a71a8a0c9d53fb551b0.zip
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Join ExE/COMDLG32.OCX.dll regsvr32 windows:4 windows x86 arch:x86
988f29c1eb8054253091352741683c76
Code Sign
Signer
Actual PE DigestDigest AlgorithmPE Digest MatchesfalseHeaders
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED
IMAGE_FILE_DLL
Imports
kernel32
HeapReAlloc
GetLastError
LockResource
GetWindowsDirectoryA
InterlockedDecrement
InterlockedIncrement
IsDBCSLeadByte
CompareStringA
CompareStringW
lstrcmpA
GetLocaleInfoA
GetVersion
GetModuleFileNameA
GetFileAttributesA
IsBadWritePtr
DisableThreadLibraryCalls
GlobalAlloc
lstrcmpiA
LoadLibraryA
GetProcAddress
lstrcatA
lstrlenA
lstrcpyA
WriteProfileStringA
GlobalLock
GlobalUnlock
LoadResource
FindResourceA
lstrcpynA
LeaveCriticalSection
DeleteCriticalSection
FreeLibrary
HeapFree
WideCharToMultiByte
lstrlenW
HeapAlloc
GetProfileStringA
EnterCriticalSection
GetProcessHeap
GetCurrentThreadId
MultiByteToWideChar
InitializeCriticalSection
GlobalFree
user32
SetWindowRgn
IntersectRect
EqualRect
PtInRect
IsDialogMessageA
IsChild
GetKeyState
CreateDialogIndirectParamA
MessageBeep
PostMessageA
ClientToScreen
wsprintfA
SendMessageTimeoutA
CharNextA
GetActiveWindow
GetWindowThreadProcessId
LoadCursorA
MessageBoxA
GetWindowLongA
GetWindowRect
CreateWindowExA
SetWindowLongA
ShowWindow
DialogBoxParamA
EnableWindow
GetDesktopWindow
GetWindow
IsWindowEnabled
OffsetRect
GetParent
GetDlgItem
SendMessageA
SetFocus
SetParent
SetDlgItemInt
EndPaint
SetActiveWindow
IsWindowVisible
WinHelpA
GetDlgItemInt
EndDialog
GetDlgItemTextA
DestroyWindow
SetDlgItemTextA
GetWindowTextA
GetNextDlgTabItem
SendDlgItemMessageA
RegisterClassA
GetDC
ReleaseDC
LoadIconA
DrawIcon
DestroyIcon
GetSystemMetrics
RegisterWindowMessageA
LoadStringA
DefWindowProcA
UnregisterClassA
GetClientRect
BeginPaint
RegisterClipboardFormatA
SetWindowPos
MoveWindow
ole32
CreateOleAdviseHolder
CoCreateInstance
CoTaskMemAlloc
CoTaskMemFree
ReleaseStgMedium
advapi32
RegEnumKeyExA
RegQueryValueA
RegOpenKeyA
RegQueryValueExA
RegDeleteValueA
RegDeleteKeyA
RegOpenKeyExA
RegCreateKeyExA
RegSetValueExA
RegCloseKey
oleaut32
LoadRegTypeLi
OleCreatePropertyFrame
SetErrorInfo
UnRegisterTypeLi
LoadTypeLi
LoadTypeLibEx
OleLoadPicture
VariantChangeType
RegisterTypeLi
VariantInit
GetErrorInfo
VariantClear
SysStringLen
SysAllocStringLen
OleTranslateColor
SysFreeString
SysAllocString
CreateErrorInfo
comdlg32
CommDlgExtendedError
PrintDlgA
ChooseFontA
ChooseColorA
GetOpenFileNameA
GetSaveFileNameA
gdi32
GetDIBits
CreateCompatibleDC
CreateBitmap
GetSystemPaletteEntries
StretchDIBits
SetViewportOrgEx
SetWindowExtEx
SetWindowOrgEx
SetMapMode
LPtoDP
SetViewportExtEx
GetViewportExtEx
CreateRectRgnIndirect
GetWindowExtEx
CreateDCA
GetObjectA
EnumFontFamiliesA
DeleteDC
DeleteObject
GetDeviceCaps
SelectObject
Exports
Exports
DLLGetDocumentation
DllCanUnloadNow
DllGetClassObject
DllRegisterServer
DllUnregisterServer
Sections
.text Size: 69KB - Virtual size: 68KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 51KB - Virtual size: 51KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 5KB - Virtual size: 5KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
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Join ExE/Join ExE.exe.exe windows:4 windows x86 arch:x86
fdf9b3cb00e9ad95dc25641083221ec5
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
msvbvm60
__vbaStrI2
_CIcos
_adj_fptan
__vbaStrI4
__vbaVarMove
__vbaFreeVar
__vbaAryMove
ord588
__vbaLateIdCall
__vbaStrVarMove
__vbaFreeVarList
__vbaPut3
_adj_fdiv_m64
ord621
__vbaFreeObjList
_adj_fprem1
__vbaStrCat
__vbaSetSystemError
__vbaHresultCheckObj
_adj_fdiv_m32
__vbaAryVar
__vbaAryDestruct
__vbaExitProc
ord595
__vbaOnError
__vbaObjSet
_adj_fdiv_m16i
__vbaObjSetAddref
_adj_fdivr_m16i
ord304
ord598
__vbaBoolVarNull
__vbaFpR8
_CIsin
__vbaChkstk
__vbaFileClose
EVENT_SINK_AddRef
__vbaGenerateBoundsError
__vbaGet3
__vbaStrCmp
ord529
__vbaGet4
__vbaPutOwner3
__vbaI2I4
DllFunctionCall
_adj_fpatan
__vbaR4Var
__vbaLateIdCallLd
EVENT_SINK_Release
__vbaUI1I2
_CIsqrt
ord310
EVENT_SINK_QueryInterface
__vbaExceptHandler
ord312
ord711
__vbaStrToUnicode
ord314
_adj_fprem
_adj_fdivr_m64
ord315
ord607
ord316
ord608
__vbaFPException
__vbaUbound
__vbaFileSeek
_CIlog
__vbaErrorOverflow
__vbaFileOpen
ord570
__vbaVar2Vec
__vbaNew2
_adj_fdiv_m32i
_adj_fdivr_m32i
__vbaStrCopy
__vbaFreeStrList
ord576
_adj_fdivr_m32
_adj_fdiv_r
ord685
ord578
ord100
__vbaVarAdd
__vbaAryLock
__vbaStrToAnsi
__vbaVarDup
__vbaFpI2
__vbaVarCopy
__vbaFpI4
_CIatan
__vbaCastObj
__vbaAryCopy
__vbaStrMove
_allmul
__vbaLateIdSt
_CItan
__vbaAryUnlock
_CIexp
__vbaFreeObj
__vbaFreeStr
Sections
.text Size: 96KB - Virtual size: 94KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 6KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 104KB - Virtual size: 103KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ