Behavioral task
behavioral1
Sample
2024-02-17_b7e3e135da3edf19ece484510fdde083_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-02-17_b7e3e135da3edf19ece484510fdde083_cryptolocker.exe
Resource
win10v2004-20231215-en
General
-
Target
2024-02-17_b7e3e135da3edf19ece484510fdde083_cryptolocker
-
Size
105KB
-
MD5
b7e3e135da3edf19ece484510fdde083
-
SHA1
2c93b5cfeff2652466cba94d3eb14bd5154f74f9
-
SHA256
1e31056f08a2bd3543b9244e5df5c5a9c4ad503030ff06665d02cee4089c263e
-
SHA512
37fea421d18243f9c4fd975295de95fcbb058968964a0f714f6aa3ea1a517f2623a0540de8476ffd844b7ad44c1b1099da07bd4826fa10edc26c7fa09290ad90
-
SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjIHsalRn5iF1j6Gkszfi3:1nK6a+qdOOtEvwDpjO
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 2024-02-17_b7e3e135da3edf19ece484510fdde083_cryptolocker
Files
-
2024-02-17_b7e3e135da3edf19ece484510fdde083_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