Dekont[.]pdf[.]exe

Sharing

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General

Target

Dekont.pdf.exe
Size

536KB
MD5

4d4a6d4dd24fcf1c7e627061c189a9e8
SHA1

b014527ce771e99d28f9f10027444c8f13adb6a2
SHA256

c748ad7aa79ea3aeab0b39af32dadd9793ebbe7b3bc50a7f8c15c5702e98b2c6
SHA512

23346e5a71935f3e89b4daa6be30536a6a8e8d581646038267bb28a068f36dfa5a3b7106f3c8e2b4ff0e3e159e38f6d0a14ffc35c850d5ddf3a3c819255e6843
SSDEEP

6144:lxFSVsqrkmgzgdNHEulg3O+KQm0kGoN2eheuxXENVDDTPgaGVdgkBm17Xcw:B1nUv/pQm0kGheENVDdMOX

Score

1^/10

Malware Config

Signatures

NSIS installer 2 IoCs

installer

resource	yara_rule
sample	nsis_installer_1
sample	nsis_installer_2

Files

Dekont.pdf.exe
.exe windows x86

f10e4da994053bf80c20cee985b32e29

Code Sign

05:df:04:99:b1:67:5c:f6
Certificate

Issuer

OU=intermedious Tribological\ ,O=Handbill,L=Teurthéville-Hague,ST=Normandie,C=FR,1.2.840.113549.1.9.1=#0c2250726f64756b746576616c756572696e6765724048667465706c61737465722e536f

Not Before

28/04/2022, 19:56

Not After

27/04/2025, 19:56

Subject

OU=intermedious Tribological\ ,O=Handbill,L=Teurthéville-Hague,ST=Normandie,C=FR,1.2.840.113549.1.9.1=#0c2250726f64756b746576616c756572696e6765724048667465706c61737465722e536f

db:74:fe:de:d4:ec:4b:24:88:80:08:cc:1e:59:56:2d:d8:5e:54:31:1d:1a:fb:74:e0:97:4e:f0:2b:37:a3:f1
Signer

Actual PE Digest

db:74:fe:de:d4:ec:4b:24:88:80:08:cc:1e:59:56:2d:d8:5e:54:31:1d:1a:fb:74:e0:97:4e:f0:2b:37:a3:f1

Digest Algorithm

sha256

PE Digest Matches

true

Signature Validations

Trusted

false

Verification

Signing Certificate

OU=intermedious Tribological\ ,O=Handbill,L=Teurthéville-Hague,ST=Normandie,C=FR,1.2.840.113549.1.9.1=#0c2250726f64756b746576616c756572696e6765724048667465706c61737465722e536f

14/10/2022, 21:41
Valid: false

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

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

advapi32

RegCreateKeyExA
RegEnumKeyA
RegQueryValueExA
RegSetValueExA
RegCloseKey
RegDeleteValueA
RegDeleteKeyA
AdjustTokenPrivileges
LookupPrivilegeValueA
OpenProcessToken
SetFileSecurityA
RegOpenKeyExA
RegEnumValueA

shell32

SHGetFileInfoA
SHFileOperationA
SHGetPathFromIDListA
ShellExecuteExA
SHGetSpecialFolderLocation
SHBrowseForFolderA

ole32

IIDFromString
OleInitialize
OleUninitialize
CoCreateInstance
CoTaskMemFree

comctl32

ord17
ImageList_Create
ImageList_Destroy
ImageList_AddMasked

user32

SetClipboardData
CharPrevA
CallWindowProcA
PeekMessageA
DispatchMessageA
MessageBoxIndirectA
GetDlgItemTextA
SetDlgItemTextA
GetSystemMetrics
CreatePopupMenu
AppendMenuA
TrackPopupMenu
FillRect
EmptyClipboard
LoadCursorA
GetMessagePos
CheckDlgButton
SetWindowPos
SetCursor
GetSysColor
SetClassLongA
GetWindowLongA
IsWindowEnabled
GetWindowRect
GetSystemMenu
EnableMenuItem
RegisterClassA
ScreenToClient
EndDialog
GetClassInfoA
SystemParametersInfoA
CreateWindowExA
ExitWindowsEx
DialogBoxParamA
CharNextA
SetTimer
DestroyWindow
CreateDialogParamA
SetForegroundWindow
SetWindowTextA
PostQuitMessage
SendMessageTimeoutA
ShowWindow
wsprintfA
GetDlgItem
FindWindowExA
IsWindow
GetDC
SetWindowLongA
LoadImageA
InvalidateRect
ReleaseDC
EnableWindow
BeginPaint
SendMessageA
DefWindowProcA
DrawTextA
GetClientRect
EndPaint
IsWindowVisible
CloseClipboard
OpenClipboard

gdi32

SetBkMode
SetBkColor
GetDeviceCaps
CreateFontIndirectA
CreateBrushIndirect
DeleteObject
SetTextColor
SelectObject

kernel32

GetExitCodeProcess
WaitForSingleObject
GetProcAddress
GetSystemDirectoryA
WideCharToMultiByte
MoveFileExA
GetTempFileNameA
RemoveDirectoryA
WriteFile
CreateDirectoryA
GetLastError
CreateProcessA
GlobalLock
GlobalUnlock
CreateThread
lstrcpynA
SetErrorMode
GetDiskFreeSpaceA
lstrlenA
GetCommandLineA
GetVersionExA
GetWindowsDirectoryA
SetEnvironmentVariableA
GetTempPathA
CopyFileA
GetCurrentProcess
ExitProcess
GetModuleFileNameA
GetFileSize
ReadFile
GetTickCount
Sleep
CreateFileA
GetFileAttributesA
SetCurrentDirectoryA
SetFileAttributesA
GetFullPathNameA
GetShortPathNameA
MoveFileA
CompareFileTime
SetFileTime
SearchPathA
lstrcmpiA
lstrcmpA
CloseHandle
GlobalFree
GlobalAlloc
ExpandEnvironmentStringsA
LoadLibraryExA
FreeLibrary
lstrcpyA
lstrcatA
FindClose
MultiByteToWideChar
WritePrivateProfileStringA
GetPrivateProfileStringA
SetFilePointer
GetModuleHandleA
FindNextFileA
FindFirstFileA
DeleteFileA
MulDiv

Sections

.text
Size: 25KB - Virtual size: 24KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 5KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 1KB - Virtual size: 106KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.ndata
Size: - Virtual size: 156KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 162KB - Virtual size: 162KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

f10e4da994053bf80c20cee985b32e29

Code Sign

05:df:04:99:b1:67:5c:f6Certificate

db:74:fe:de:d4:ec:4b:24:88:80:08:cc:1e:59:56:2d:d8:5e:54:31:1d:1a:fb:74:e0:97:4e:f0:2b:37:a3:f1Signer

Signature Validations

Verification

14/10/2022, 21:41 Valid: false

Headers

DLL Characteristics

File Characteristics

Imports

advapi32

shell32

ole32

comctl32

user32

gdi32

kernel32

Sections

.text Size: 25KB - Virtual size: 24KB

.rdata Size: 5KB - Virtual size: 4KB

.data Size: 1KB - Virtual size: 106KB

.ndata Size: - Virtual size: 156KB

.rsrc Size: 162KB - Virtual size: 162KB

05:df:04:99:b1:67:5c:f6
Certificate

db:74:fe:de:d4:ec:4b:24:88:80:08:cc:1e:59:56:2d:d8:5e:54:31:1d:1a:fb:74:e0:97:4e:f0:2b:37:a3:f1
Signer

14/10/2022, 21:41
Valid: false

.text
Size: 25KB - Virtual size: 24KB

.rdata
Size: 5KB - Virtual size: 4KB

.data
Size: 1KB - Virtual size: 106KB

.ndata
Size: - Virtual size: 156KB

.rsrc
Size: 162KB - Virtual size: 162KB