Behavioral task
behavioral1
Sample
2024-04-30_4571ca768ef8a2ee458138ef906c6aec_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-30_4571ca768ef8a2ee458138ef906c6aec_cryptolocker.exe
Resource
win10v2004-20240419-en
General
-
Target
2024-04-30_4571ca768ef8a2ee458138ef906c6aec_cryptolocker
-
Size
55KB
-
MD5
4571ca768ef8a2ee458138ef906c6aec
-
SHA1
13a8b13bc985368692108ea007c168584f2b3191
-
SHA256
1b9b5f1ba80c61e56df31844343cd9294d5329887102d845b8e5847ce1989668
-
SHA512
fe12db5ed463bb15c4f3a4ee1062a27ad2f419f8388ff5549284a12402d0cd527235e6c34ec5d417af4d8ef5f3023e6ee951b9df15bf4b3ac6c74ed2f287481a
-
SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjNqp:bP9g/xtCS3Dxx0rp
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 2024-04-30_4571ca768ef8a2ee458138ef906c6aec_cryptolocker
Files
-
2024-04-30_4571ca768ef8a2ee458138ef906c6aec_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