807045d680e507d7d1d0dc488530b0e3_JaffaCakes118

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General

Target
807045d680e507d7d1d0dc488530b0e3_JaffaCakes118
Size 212KB
Sample240529-mk4cbscd46
SHA256 c5426093a0e4e3b8e6ab5c5ec32112cab8f5dba0acbd87bad9cda53966d3f542
MD5 807045d680e507d7d1d0dc488530b0e3
SHA1 f717bdbdc05c43b76cc4b7ead6116b5b2598d346
SHA512 448ac3c19180d9318839b2c8fe17a17055e67b02f8d0ada0cbb8c9ec42b3de627807c92ade10a98ccdf229bed49d123a91d6ac16576b7092fc9bcb214c51ca90
SSDEEP 6144:We34y2pbTh+3pwLpAKKi8A//t4V1TLAo/o5b77ClFxv:kvh+3KaltAnIhLB/m4v
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
807045d680e507d7d1d0dc488530b0e3_JaffaCakes118

NSIS installer 2 IoCs

installer

resource	yara_rule
sample	nsis_installer_1
sample	nsis_installer_2

File Explorer

807045d680e507d7d1d0dc488530b0e3_JaffaCakes118

.exe 212KB
$PLUGINSDIR/dlmgn.exe

.exe 369KB
$PLUGINSDIR/dlmgn.exe.config

.xml 291B

807045d680e507d7d1d0dc488530b0e3_JaffaCakes118

IMPHASH 7fa974366048f9c551ef45714595665e
SHA256 c5426093a0e4e3b8e6ab5c5ec32112cab8f5dba0acbd87bad9cda53966d3f542
MD5 807045d680e507d7d1d0dc488530b0e3
SHA1 f717bdbdc05c43b76cc4b7ead6116b5b2598d346
SHA512 448ac3c19180d9318839b2c8fe17a17055e67b02f8d0ada0cbb8c9ec42b3de627807c92ade10a98ccdf229bed49d123a91d6ac16576b7092fc9bcb214c51ca90
SSDEEP 6144:We34y2pbTh+3pwLpAKKi8A//t4V1TLAo/o5b77ClFxv:kvh+3KaltAnIhLB/m4v
MD5 SHA1 SHA512 SSDEEP

windows:4 windows x86 arch:x86

Unsigned PE

Checks for missing Authenticode signature.
NSIS installer

installer

Minor OS version

Major OS version

Entry point

12538

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

DLL Characteristics

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

PDB paths

kernel32

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

user32

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

gdi32

SetBkColor GetDeviceCaps DeleteObject CreateBrushIndirect CreateFontIndirectA SetBkMode SetTextColor SelectObject

shell32

SHGetPathFromIDListA SHBrowseForFolderA SHGetFileInfoA ShellExecuteA SHFileOperationA SHGetSpecialFolderLocation

advapi32

RegQueryValueExA RegSetValueExA RegEnumKeyA RegEnumValueA RegOpenKeyExA RegDeleteKeyA RegDeleteValueA RegCloseKey RegCreateKeyExA

comctl32

ImageList_AddMasked ImageList_Destroy ord17 ImageList_Create

ole32

CoTaskMemFree OleInitialize OleUninitialize CoCreateInstance

version

GetFileVersionInfoSizeA GetFileVersionInfoA VerQueryValueA

$PLUGINSDIR/dlmgn.exe

IMPHASH f34d5f2d4577ed6d9ceec516c1f5a744
SHA256 9c362ee61694e130bd904bfcf7c32c33851ab106e5b0121f800c31e42636d870
MD5 3c8fcdd5824e8194f999e9ca50c3c751
SHA1 89ffa620df2c41641dcb4af815c0e381dcd2a4da
SHA512 dc6b2ceb1b2847f53f866a154a6ace2faf3782ce74df4ed3920fbc73994796d0518bc1ef06648d4800e1ace8462d1af11cdb8b5ecbbf2d5d3389e2a439764f2d
SSDEEP 6144:CRhs1cwmi3K1L9E5ThjLhBj7JpKlgGOaGznraFJhn6I7:CDs+wmiKw1nfK1OucI7
MD5 SHA1 SHA512 SSDEEP

windows:4 windows x86 arch:x86

NSIS installer

installer

PE Signature issue

Digest

6b:39:7e:5e:ad:65:9d:16:b5:8a:2c:8f:a2:bb:61:b5:2a:cb:5c:0c

Digest Algorithm

sha1

PE Digests Matches

Trusted

Not trusted

Signing Certificate

CN=Prelasan Developments s.l.,O=Prelasan Developments s.l.,L=Barcelona,C=ES

Chains

Sep 10, 2015

Minor OS version

Major OS version

Entry point

360234

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE IMAGE_DLLCHARACTERISTICS_NX_COMPAT IMAGE_DLLCHARACTERISTICS_NO_SEH IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LINE_NUMS_STRIPPED IMAGE_FILE_LOCAL_SYMS_STRIPPED IMAGE_FILE_32BIT_MACHINE

PDB paths

807045d680e507d7d1d0dc488530b0e3_JaffaCakes118

kernel32

user32

gdi32

shell32

advapi32

comctl32

ole32

version

generic

$PLUGINSDIR/dlmgn.exe

PE Signature issue

mscoree

dotnet

$PLUGINSDIR/dlmgn.exe.config