Behavioral task
behavioral1
Sample
2024-02-18_657ff44e07cac7f8ccc38d33ce1739d5_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-18_657ff44e07cac7f8ccc38d33ce1739d5_cryptolocker.exe
Resource
win10v2004-20231215-en
General
-
Target
2024-02-18_657ff44e07cac7f8ccc38d33ce1739d5_cryptolocker
-
Size
97KB
-
MD5
657ff44e07cac7f8ccc38d33ce1739d5
-
SHA1
38a7725fbe13909cba8ec5d47ec311e98374c4c3
-
SHA256
f842d1ac7306470116b61e2d392e2a68d36a6fe32f6149dd655e9f286ed5f044
-
SHA512
c243dc2c4751297dc19864d8e42c4fc6a68e25a2c5a71450d06247995f351d232756e17775a64529fe70926694d1be0f10b7ce4e1017c05722706c5ea44a23b9
-
SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjuvQVE:zCsanOtEvwDpj5
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 2024-02-18_657ff44e07cac7f8ccc38d33ce1739d5_cryptolocker
Files
-
2024-02-18_657ff44e07cac7f8ccc38d33ce1739d5_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