8fb0e28d5820d3cc262d21872339d03e_JaffaCakes118

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General

Target
8fb0e28d5820d3cc262d21872339d03e_JaffaCakes118
Size 630KB
Sample240602-2mn3raag97
SHA256 235c9e3348e5e40c4d91cdacb63407164b72c2f4009d4b08f20f5fef2c8a7e1a
MD5 8fb0e28d5820d3cc262d21872339d03e
SHA1 7abefdafa092bc4f445e6dcc709b2183cf05a443
SHA512 73837be3c6d460ac028f814599c09a613791ed94c10f989b8841b919c5902c83bf8b6306a342b65d5e0fe88677cbe24050ea58f712c7e42b63629cf036ca9594
SSDEEP 12288:8gUJj98qfQx6AJZpqMwfYHes9tcvYpsXp8/+WtV+SqzupPXK63rRRq:8gUjNQgAfpqMwfQeK8YrBIPypPpRRq
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

upx

Malware Config

Signatures

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
static1/unpack001/wget.exe	upx

Unsigned PE 6 IoCs

Checks for missing Authenticode signature.

resource
8fb0e28d5820d3cc262d21872339d03e_JaffaCakes118
unpack001/$EXEFILE
unpack001/$PLUGINSDIR/Banner.dll
unpack001/$PLUGINSDIR/System.dll
unpack001/$PLUGINSDIR/nsExec.dll
unpack001/wget.exe

NSIS installer 2 IoCs

installer

resource	yara_rule
sample	nsis_installer_1
sample	nsis_installer_2

File Explorer

8fb0e28d5820d3cc262d21872339d03e_JaffaCakes118

.exe 630KB
$EXEFILE

.exe 386KB
$EXEFILE.config

.xml 769B
$PLUGINSDIR/Banner.dll

.dll 4KB
$PLUGINSDIR/System.dll

.dll 11KB
$PLUGINSDIR/nsExec.dll

.dll 6KB
wget.exe

.exe 392KB

8fb0e28d5820d3cc262d21872339d03e_JaffaCakes118

IMPHASH 099c0646ea7282d232219f8807883be0
SHA256 235c9e3348e5e40c4d91cdacb63407164b72c2f4009d4b08f20f5fef2c8a7e1a
MD5 8fb0e28d5820d3cc262d21872339d03e
SHA1 7abefdafa092bc4f445e6dcc709b2183cf05a443
SHA512 73837be3c6d460ac028f814599c09a613791ed94c10f989b8841b919c5902c83bf8b6306a342b65d5e0fe88677cbe24050ea58f712c7e42b63629cf036ca9594
SSDEEP 12288:8gUJj98qfQx6AJZpqMwfYHes9tcvYpsXp8/+WtV+SqzupPXK63rRRq:8gUjNQgAfpqMwfQeK8YrBIPypPpRRq
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

12860

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 CreateFileA GetFileSize GetModuleFileNameA GetCurrentProcess CopyFileA ExitProcess SetFileTime GetTempPathA GetCommandLineA SetErrorMode LoadLibraryA lstrcpynA GetDiskFreeSpaceA GlobalUnlock GlobalLock CreateThread CreateProcessA RemoveDirectoryA 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 GetWindowsDirectoryA

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

$EXEFILE

IMPHASH f34d5f2d4577ed6d9ceec516c1f5a744
SHA256 b6c6fd59bd0ee85112bf9d83504189137d38157231043a482eb6e1f2c25a299d
MD5 a2dab622fea96605b06acb6982d6bf11
SHA1 7b21f23cfa9de0220c6d0d10c4a1d6c63e1621bd
SHA512 67172b3ea35ec44e7f9f897d6b864e0a4985d7543e8582cb704873cd9e429d03274a59e614c0eb61b9f0cab905d13da66e9459e749eb03695b804b946b55ac72
SSDEEP 6144:zml+LRTFd13PwlJ8uVEqzmABOiwmjY06D:zZFTl/wsQ9OiVjY
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

385278

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_32BIT_MACHINE

PDB paths

$PLUGINSDIR/Banner.dll

IMPHASH 7a3709b093081d5614be1eaa2fe7fe76
SHA256 ab80cf45070d936f0745f5e39b22e6e07ba90aa179b5ec4469ef6e2cb1b9ef6b
MD5 0116a50101c4107a138a588d1e46fca5
SHA1 b781dce23e828cf2b97306661c7dad250a6aaf77
SHA512 55de6aeaad05b01a25828553d3ea9f1b32a8b0c35c42dc6106bed244320e3421ec6a6f5359b15f9d18dd1e9692ca5572b2736d9d48cceb07b9443601d00a5988
MD5 SHA1 SHA512

windows:4 windows x86 arch:x86

Unsigned PE

Checks for missing Authenticode signature.
NSIS installer

installer

Minor OS version

Major OS version

Entry point

4750

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

DLL Characteristics

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LINE_NUMS_STRIPPED IMAGE_FILE_LOCAL_SYMS_STRIPPED IMAGE_FILE_32BIT_MACHINE IMAGE_FILE_DLL

PDB paths

$PLUGINSDIR/System.dll

IMPHASH 2017f2acbdaa42ab3e4adeb8b4c37e7b
SHA256 dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f
MD5 c17103ae9072a06da581dec998343fc1
SHA1 b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d
SHA512 d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f
SSDEEP 192:7DKnJZCv6VmbJQC+tFiUdK7ckD4gRXKQx+LQ2CSF:7ViJrtFRdbmXK8+PCw
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

10544

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

DLL Characteristics

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LINE_NUMS_STRIPPED IMAGE_FILE_LOCAL_SYMS_STRIPPED IMAGE_FILE_32BIT_MACHINE IMAGE_FILE_DLL

PDB paths

$PLUGINSDIR/nsExec.dll

IMPHASH d83f71e61ee459ee63ca3e829966a9dc
SHA256 168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e
MD5 acc2b699edfea5bf5aae45aba3a41e96
SHA1 d2accf4d494e43ceb2cff69abe4dd17147d29cc2
SHA512 e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe
SSDEEP 96:M7GUb+YNfwgcr8zyKwZ5S4JxN8BS0ef9/3VI9d0qqyVgNk32E:eKgfwgcr8zylsB49Ud0qJVgNX
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

4231

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

DLL Characteristics

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LINE_NUMS_STRIPPED IMAGE_FILE_LOCAL_SYMS_STRIPPED IMAGE_FILE_32BIT_MACHINE IMAGE_FILE_DLL

PDB paths

wget.exe

SHA256 a48ad33695a44de887bba8f2f3174fd8fb01a46a19e3ec9078b0118647ccf599
MD5 bd126a7b59d5d1f97ba89a3e71425731
SHA1 457b1cd985ed07baffd8c66ff40e9c1b6da93753
SHA512 3ef1b83ea9821cb10f8bc149ec481d1e486d246a0cb51fe7983785529df42c6fe775e0d35c64a97f997cdf294464c7640df392239b96ce1be6143ce8f07b5a8a
SSDEEP 6144:eoxkuaVJiysgokd+8L2LZ9aUedgk+TGk57rrpmNDEpO/YIPOWCiwYFnY:JxkJLiynXvqjggpl57rrpmNQp2YIGRY
MD5 SHA1 SHA512 SSDEEP

windows:4 windows x86 arch:x86

UPX packed file

Detects executables packed with UPX/modified UPX open source packer.

upx
Unsigned PE

Checks for missing Authenticode signature.
NSIS installer

installer

Minor OS version

Major OS version

Entry point

972800

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_CUI

DLL Characteristics

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

8fb0e28d5820d3cc262d21872339d03e_JaffaCakes118

kernel32

user32

gdi32

shell32

advapi32

comctl32

ole32

version

generic

$EXEFILE

mscoree

dotnet

$EXEFILE.config

$PLUGINSDIR/Banner.dll

kernel32

user32

generic

$PLUGINSDIR/System.dll

kernel32

user32

ole32

generic

$PLUGINSDIR/nsExec.dll

kernel32

user32

advapi32

generic

wget.exe

generic