Behavioral task
behavioral1
Sample
2024-04-24_b9703e1173a88f3ba8e590ea41dec9a8_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-04-24_b9703e1173a88f3ba8e590ea41dec9a8_cryptolocker.exe
Resource
win10v2004-20240412-en
General
-
Target
2024-04-24_b9703e1173a88f3ba8e590ea41dec9a8_cryptolocker
-
Size
54KB
-
MD5
b9703e1173a88f3ba8e590ea41dec9a8
-
SHA1
583c39ab80a6ae7f2d14c2f57a41561ac39884fe
-
SHA256
f923541f44300c113377e1c2a2832a2a13807cc21a8da4e855b8d17c16b5a50f
-
SHA512
45586eb907df237bcdc2b5ea1001058d4242e69191c6e3a9fa495148493f532f891d32c929c1ab4cee3fe6cafa5c5ae50daf4931db78cdfd1a69c5855580eec3
-
SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjNM:bP9g/xtCS3Dxx0n
Malware Config
Signatures
-
Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
UPX dump on OEP (original entry point) 1 IoCs
resource yara_rule sample UPX -
resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-04-24_b9703e1173a88f3ba8e590ea41dec9a8_cryptolocker
Files
-
2024-04-24_b9703e1173a88f3ba8e590ea41dec9a8_cryptolocker.exe windows:5 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
IMAGE_FILE_DEBUG_STRIPPED
Sections
UPX0 Size: 17KB - Virtual size: 24KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 12KB - Virtual size: 12KB
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
.imports Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE