Behavioral task
behavioral1
Sample
2024-04-05_bca587e65916a3bf2b8f0055f0da2824_cryptolocker.exe
Resource
win7-20240319-en
Behavioral task
behavioral2
Sample
2024-04-05_bca587e65916a3bf2b8f0055f0da2824_cryptolocker.exe
Resource
win10v2004-20240226-en
General
-
Target
2024-04-05_bca587e65916a3bf2b8f0055f0da2824_cryptolocker
-
Size
109KB
-
MD5
bca587e65916a3bf2b8f0055f0da2824
-
SHA1
87996c92f1d6bd9fdee5ea75910cef3ae1cbf462
-
SHA256
e8ac9f0af6fe9fbfa638a9f0ea8a10715907fc93cf4f656a6bfe2e49eaed1a2e
-
SHA512
249c5f9341167fda261866cb019bdcf349d8af3f5824124996ec42bb99594254d42416ee2b1b6ffa64bca156fd8ab2009aaf798db1b4a10e02ada30fa61ade0f
-
SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjIHsalRn5iF1j6GksgEnY+O:1nK6a+qdOOtEvwDpjC
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 2024-04-05_bca587e65916a3bf2b8f0055f0da2824_cryptolocker
Files
-
2024-04-05_bca587e65916a3bf2b8f0055f0da2824_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
Sections
UPX0 Size: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.ap0x Size: 1024B - Virtual size: 785B
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE