Static task
static1
Behavioral task
behavioral1
Sample
2024-06-12_8b1dcd5f435af9e4efa750e5c7592f38_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-06-12_8b1dcd5f435af9e4efa750e5c7592f38_cryptolocker.exe
Resource
win10v2004-20240508-en
General
-
Target
2024-06-12_8b1dcd5f435af9e4efa750e5c7592f38_cryptolocker
-
Size
70KB
-
MD5
8b1dcd5f435af9e4efa750e5c7592f38
-
SHA1
d739d3d1a75e8899adcfa4591b20b65d9a1d30a7
-
SHA256
f4abb4bcfa8387db2221ee783f186e56a8cbd02dc93b18b79399425b2d0107e7
-
SHA512
41d0a7f74f916047ee7e28cb76019e73d214b23f7f6455e2739cfb1637b243e2dc322cd4e7047e67e293879d171c5ea1662b33684377b637ace62ea4632826bd
-
SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpjNbZ7uyA36S7MpxRXrZSUNsYD/dM:i5nkFGMOtEvwDpjNbwQEI8UZDi
Malware Config
Signatures
-
Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
Detects executables built or packed with MPress PE compressor 1 IoCs
resource yara_rule sample INDICATOR_EXE_Packed_MPress -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-06-12_8b1dcd5f435af9e4efa750e5c7592f38_cryptolocker
Files
-
2024-06-12_8b1dcd5f435af9e4efa750e5c7592f38_cryptolocker.exe windows:5 windows x86 arch:x86
e021c9fc2c12265365fad587d43783fe
Headers
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED
Imports
kernel32
GetModuleHandleA
GetProcAddress
user32
EndPaint
gdi32
CreateFontIndirectA
Sections
.MPRESS1 Size: 10KB - Virtual size: 36KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.MPRESS2 Size: 1024B - Virtual size: 910B
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 13KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE