Behavioral task
behavioral1
Sample
2024-04-23_b917936d73a4c1c25cc76dc709242ca8_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-23_b917936d73a4c1c25cc76dc709242ca8_cryptolocker.exe
Resource
win10v2004-20240412-en
General
-
Target
2024-04-23_b917936d73a4c1c25cc76dc709242ca8_cryptolocker
-
Size
80KB
-
MD5
b917936d73a4c1c25cc76dc709242ca8
-
SHA1
56e06825b6747fab761ce73a30285930c663bd1b
-
SHA256
c16e48c1bed92387124605e21f89adb7de65463c7681726d6f5b6f773461c1da
-
SHA512
6f473643086341454b49bf840450d827d5150121e45e81d706dd155db568359a28fca39f5b7f0a73204a63f8975325b647061c25fa7a0b216d800b9e85d8f8ba
-
SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1ky7Q4:zCsanOtEvwDpjs
Malware Config
Signatures
-
Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule sample CryptoLocker_set1 -
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 2024-04-23_b917936d73a4c1c25cc76dc709242ca8_cryptolocker
Files
-
2024-04-23_b917936d73a4c1c25cc76dc709242ca8_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: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - 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