Static task
static1
Behavioral task
behavioral1
Sample
wjfdec.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
wjfdec.exe
Resource
win10v2004-20240709-en
General
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Target
638741aa513a995055f7befae8b6fde5_JaffaCakes118
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Size
4KB
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MD5
638741aa513a995055f7befae8b6fde5
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SHA1
0b5233a38ad19d9d83a0c6179004eda5d8a0160a
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SHA256
20ed3213487fa150def7e91339b97fb362f888c2a406491065c8ae1b12c9dc68
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SHA512
6ad947ce5618c52d11222630b1d92321985d28d758febb81c1890bfa090ae101e18f3383a58e162602063bfdd3e18f7e164fa45ced1b00a2f7a2c4d1f61adf41
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SSDEEP
96:fDIjRC4I/HyDvzp4CvtAL2SnUDB37oI7JRql+M+nLNasZVoaWA/K5D:7IjFIvOpXy2SnUDB3797JRq8M+nLgsZG
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/wjfdec.exe
Files
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638741aa513a995055f7befae8b6fde5_JaffaCakes118.zip
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wjfdec.c
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wjfdec.exe.exe windows:4 windows x86 arch:x86
c3177b097b3fe4db6b90594f3597dee2
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
GetModuleHandleA
GetProcAddress
SetUnhandledExceptionFilter
msvcrt
_stricmp
__getmainargs
__p__environ
__p__fmode
__set_app_type
_cexit
_iob
_onexit
_setmode
atexit
exit
fclose
fgetc
fgets
fopen
fwrite
memmove
printf
puts
signal
sprintf
strchr
toupper
Sections
.text Size: 3KB - Virtual size: 2KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 512B - Virtual size: 52B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rdata Size: 1024B - Virtual size: 688B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.bss Size: - Virtual size: 96B
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 1024B - Virtual size: 852B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE