Static task
static1
Behavioral task
behavioral1
Sample
wkbfp.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
wkbfp.exe
Resource
win10v2004-20240802-en
General
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Target
b90e22842783ce3fdf7784c68f2ed885_JaffaCakes118
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Size
11KB
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MD5
b90e22842783ce3fdf7784c68f2ed885
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SHA1
0f9a4c52a0e66cf26e2eed5f806d6c059aaba4a2
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SHA256
bc7a8c4eddb5809935b1077c1fa2f84e3f71bc1d363c76776c6276f65d10cfe6
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SHA512
4e0a900ec59711193155984b8e7db7f6c68ee34f57495f96e5e341f83e4798686350cf3c4b2969ade9145b1c073b92b86abc11051b98e4bb604a5cf416f72614
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SSDEEP
192:Prtc5LheU8BnG+EuRkQAhXZqB0bEcfn1TIdL5aNfkpG4M7Dg/2+HxY2bunZwQ+7F:Te5Lhez9GC1oy0b1o5St7Me+RY2bunZ6
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/wkbfp.exe
Files
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b90e22842783ce3fdf7784c68f2ed885_JaffaCakes118.zip
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gssdkcr.h
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winerr.h
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wkbfp.c
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wkbfp.exe.exe windows:4 windows x86 arch:x86
74b05f5e32cd659bba3d94403c5567c7
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
IMAGE_FILE_DEBUG_STRIPPED
Imports
kernel32
ExitProcess
SetUnhandledExceptionFilter
Sleep
msvcrt
__getmainargs
__p__environ
__p__fmode
__set_app_type
_cexit
_errno
_iob
_onexit
_setmode
atexit
atoi
exit
fprintf
fputc
fwrite
printf
puts
setbuf
signal
sscanf
strerror
strlen
strstr
time
tolower
ws2_32
WSAGetLastError
WSAStartup
bind
closesocket
gethostbyname
htons
inet_addr
inet_ntoa
ntohs
recvfrom
select
sendto
socket
Sections
.text Size: 6KB - Virtual size: 5KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 512B - Virtual size: 48B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rdata Size: 2KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.bss Size: - Virtual size: 144B
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE