Behavioral task
behavioral1
Sample
2024-04-16_94544e75b175e1fcaa8f86c5ca510a31_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-04-16_94544e75b175e1fcaa8f86c5ca510a31_cryptolocker.exe
Resource
win10v2004-20240412-en
General
-
Target
2024-04-16_94544e75b175e1fcaa8f86c5ca510a31_cryptolocker
-
Size
78KB
-
MD5
94544e75b175e1fcaa8f86c5ca510a31
-
SHA1
b6956dd42801175e23c1556766b6c761ea89c226
-
SHA256
efe6e878aa2aef4339458a7d0d472e7efa8963e745dd03e04325db5ae0394b84
-
SHA512
c05499ad683c9bf7a2c19467a6a04be1f8b8445c0c694ef268ed0107be984f1f27d05ed58e36af884d2f043b9a0d8954adcaa172710b77e034ead4f33003b3eb
-
SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOA+YSafiPuq7:T6a+rdOOtEvwDpjNcQ
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 2024-04-16_94544e75b175e1fcaa8f86c5ca510a31_cryptolocker
Files
-
2024-04-16_94544e75b175e1fcaa8f86c5ca510a31_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