Static task
static1
Behavioral task
behavioral1
Sample
iimpwd.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
iimpwd.exe
Resource
win10v2004-20240802-en
General
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Target
b919758e57d50006239e43c46e161043_JaffaCakes118
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Size
3KB
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MD5
b919758e57d50006239e43c46e161043
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SHA1
6c21bab30371e9e7630312846fd3f053d3abda88
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SHA256
76aa01f2e47e4489c3e96c036e92f88eb44109d22a27da457a9faa2eae4cb5f2
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SHA512
e183404f983301ea93ecce1528bc6966642e18fb421f52d4f34bff6b37e8d993fcc93e847a3af25a1ee0121ea8231d855aed4090bd88999984ba6c3406e4e75b
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/iimpwd.exe
Files
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b919758e57d50006239e43c46e161043_JaffaCakes118.zip
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iimpwd.c
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iimpwd.exe.exe windows:4 windows x86 arch:x86
38ab9f8ba2a90137d73718593d7f9874
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
advapi32
RegCloseKey
RegOpenKeyExA
RegQueryValueExA
kernel32
ExitProcess
SetUnhandledExceptionFilter
msvcrt
__getmainargs
__p__environ
__p__fmode
__set_app_type
_cexit
_iob
_onexit
_setmode
atexit
exit
fgetc
fwrite
printf
setbuf
signal
tolower
Sections
.text Size: 2KB - Virtual size: 2KB
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: 512B - Virtual size: 372B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.bss Size: - Virtual size: 128B
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 1024B - Virtual size: 724B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE