Static task
static1
Behavioral task
behavioral1
Sample
grboom.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
grboom.exe
Resource
win10v2004-20240709-en
General
-
Target
5e251b92182637881fdfb28ae7bfec0a_JaffaCakes118
-
Size
8KB
-
MD5
5e251b92182637881fdfb28ae7bfec0a
-
SHA1
61278edaf2dd904f5df876f0408b3c0baab893ca
-
SHA256
042cdf87093e84ecc277be1fb3062a10d89dcf6f34f45736637ee3353cc302c2
-
SHA512
49e86b4554d197fb108cb8337ff13e4fd0e507cdb89ef6dc2b246c49dee88d6f7518a2d3f4c36b3f07496883bd2d682d50bfaa963be94373c86c66d659a9f0a3
-
SSDEEP
192:mUo5vpHMLlHovfwXMkyzrSTCbSmh8+2wGAMvkZeo8AYj8cTN60RkQA3l:y5UIgXAzrSS58kMvWeoZKpZb10
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/grboom.exe
Files
-
5e251b92182637881fdfb28ae7bfec0a_JaffaCakes118.zip
-
grboom.c
-
grboom.exe.exe windows:4 windows x86 arch:x86
12f1751da66a9309053f0eadbcd53e3e
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
malloc
printf
setbuf
signal
strerror
tolower
ws2_32
WSAGetLastError
WSAStartup
closesocket
connect
gethostbyname
htons
inet_addr
inet_ntoa
recv
select
send
socket
Sections
.text Size: 4KB - Virtual size: 4KB
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: 3KB - Virtual size: 2KB
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: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
-
winerr.h