Behavioral task
behavioral1
Sample
CORE10k.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
CORE10k.exe
Resource
win10v2004-20240708-en
Behavioral task
behavioral3
Sample
CR-BS241.exe
Resource
win7-20240705-en
Behavioral task
behavioral4
Sample
CR-BS241.exe
Resource
win10v2004-20240704-en
General
-
Target
2da0f59c977142a880c05a34ba3f26a6_JaffaCakes118
-
Size
269KB
-
MD5
2da0f59c977142a880c05a34ba3f26a6
-
SHA1
f79959e951786241fb5e116bd5a97330309a0559
-
SHA256
40e7c743cabc02b33fe5bc98d9be434b9cb7b759f0e4d2f719ccf3fcf34b5ec3
-
SHA512
59d49658e47c47f25346ac948833ef11c12732febfbfb4d10c09f64ee906e913c7f784fff1a63ab620019c9b22b14d126f5a255e8b4487ba3c9b0c7daabc9eb8
-
SSDEEP
3072:PwW3CSUd7GInOyCeai+YnS6ayM1oZFPsuH/RGfpO7StR997TALihAOJiKVa6vs8C:okCSUdaf+laenfwpCkxDa609nhV/
Malware Config
Signatures
-
resource yara_rule static1/unpack001/CORE10k.EXE upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource unpack001/CORE10k.EXE unpack001/CR-BS241.EXE
Files
-
2da0f59c977142a880c05a34ba3f26a6_JaffaCakes118.rar
-
CORE.NFO
-
CORE10k.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: 13.0MB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 129KB - Virtual size: 132KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 4KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
-
CR-BS241.EXE.exe windows:4 windows x86 arch:x86
0325fffcedf4b01f9ef8a68d3cb5d884
Headers
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_BYTES_REVERSED_LO
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_BYTES_REVERSED_HI
Imports
kernel32
LoadLibraryA
GetProcAddress
VirtualAlloc
VirtualFree
user32
GetKeyboardType
advapi32
RegQueryValueExA
oleaut32
SysFreeString
gdi32
TextOutA
winmm
waveOutGetPosition
Sections
CODE Size: 101KB - Virtual size: 604KB
IMAGE_SCN_CNT_CODE
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_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
-
file_id.diz