Static task
static1
Behavioral task
behavioral1
Sample
IncomingFax.scr
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
IncomingFax.scr
Resource
win10v2004-20241007-en
General
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Target
43bdb0c1d44d7976db44a5906871ebde_JaffaCakes118
-
Size
20KB
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MD5
43bdb0c1d44d7976db44a5906871ebde
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SHA1
3f866841488b7dae22b6d1ba4f12249689033530
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SHA256
0b1e16f8f7dd32ab721b9026a0bd0fc8609e85588b3e409ddb8393dcb88aeed4
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SHA512
dc06c54c4853a2bb55f4793fc9c64fc6efc0efbc871b628e935dbab8012166911997dffc2285e33554f9cea5ed1016ca4fc28933781a9f48a4ac91f03c3494de
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SSDEEP
384:q+3MGxk+7eWES4HMJ7Z1wAgbC0TTbDuw5KZuaSfJCbV1PdiyiAei:00VrES+czJgpTzuwgZuV87PdiyiAei
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/IncomingFax.scr
Files
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43bdb0c1d44d7976db44a5906871ebde_JaffaCakes118.zip
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IncomingFax.scr.exe windows:4 windows x86 arch:x86
9f9e95f9db59de9e95416835d48a17dc
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
user32
CreateWindowExA
GetWindowTextA
PostQuitMessage
EndPaint
GetClientRect
BeginPaint
DefWindowProcA
SetFocus
LoadAcceleratorsA
LoadStringA
GetMessageA
TranslateAcceleratorA
TranslateMessage
DispatchMessageA
LoadIconA
LoadCursorA
RegisterClassExA
SendMessageA
ShowWindow
UpdateWindow
kernel32
GetModuleHandleA
GetStartupInfoA
SetLastError
GetCurrentDirectoryA
Sleep
GetLastError
LoadLibraryA
gdi32
TextOutA
msvcrt
wcslen
_controlfp
_except_handler3
__set_app_type
__p__fmode
__p__commode
_adjust_fdiv
__setusermatherr
_initterm
__getmainargs
_acmdln
exit
_XcptFilter
_exit
fgetc
fflush
fputc
memcpy
memset
wcsncmp
Sections
.text Size: 9KB - Virtual size: 8KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 4KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 1024B - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 20KB - Virtual size: 19KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ