Behavioral task
behavioral1
Sample
CUT.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
CUT.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral3
Sample
PKUNZIP.exe
Resource
win7-20240704-en
Behavioral task
behavioral4
Sample
PKUNZIP.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral5
Sample
unzip.exe
Resource
win7-20240708-en
General
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Target
0a5764dd2d13e918c5884cf15cc092e6_JaffaCakes118
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Size
385KB
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MD5
0a5764dd2d13e918c5884cf15cc092e6
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SHA1
e59eaabe83d9c8c34f08e72fd9fb82745cd73573
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SHA256
a57ab9bfae7a01ed958fb07d2b111a38cbea5950f2c351132dd433b700d73a88
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SHA512
5f01d39e313d265a320d986896cb2c21bc97bb79b1bb4ce0eb692b1d32c78b93234d1f8ebba5b99e539d6b3513e4cb685ca71e71b0185f40fa63873ee5304012
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SSDEEP
12288:yQwm3gvYvEUHL2jieu8Y9bVTLJZac38eyrtorx:yQwmQ8W6TLJ/stE
Malware Config
Signatures
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resource yara_rule static1/unpack001/unzip.exe upx -
Unsigned PE 3 IoCs
Checks for missing Authenticode signature.
resource unpack001/CUT.EXE unpack001/unzip.exe unpack002/out.upx
Files
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0a5764dd2d13e918c5884cf15cc092e6_JaffaCakes118.zip
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CUT.EXE.exe windows:4 windows x86 arch:x86
04ebb4fb65f8fc040c476e3b91cb7508
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
kernel32
GetModuleFileNameA
FreeLibrary
GetProcAddress
LoadLibraryA
GetVersionExA
GetLastError
GetConsoleTitleA
SetLastError
user32
MessageBoxA
msvcrt
_controlfp
strcat
strcmp
strcpy
strlen
strstr
remove
printf
calloc
malloc
sscanf
_errno
strncpy
free
exit
getenv
memset
_getpid
sprintf
fflush
_iob
vsprintf
memcmp
atol
_close
_read
_lseek
_open
_write
_stat
_rmdir
_mkdir
_exit
_XcptFilter
__p___initenv
__getmainargs
_initterm
__setusermatherr
_adjust_fdiv
__p__commode
__p__fmode
__set_app_type
_except_handler3
Sections
.text Size: 4KB - Virtual size: 3KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 4KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 4KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
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PKUNZIP.EXE
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README.TXT
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unzip.exe.exe windows:4 windows x86 arch:x86
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
Sections
UPX0 Size: - Virtual size: 80KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 20KB - Virtual size: 24KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 9KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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out.upx.exe windows:4 windows x86 arch:x86
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
Sections
.text Size: 50KB - Virtual size: 49KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 3KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 1024B - Virtual size: 14KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 17KB - Virtual size: 17KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ