Behavioral task
behavioral1
Sample
2024-03-08_31813ce39edec42a41b14d3912f107f8_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-08_31813ce39edec42a41b14d3912f107f8_cryptolocker.exe
Resource
win10v2004-20240226-en
General
-
Target
2024-03-08_31813ce39edec42a41b14d3912f107f8_cryptolocker
-
Size
77KB
-
MD5
31813ce39edec42a41b14d3912f107f8
-
SHA1
5ff3984f1b791e26d63d10e61cf5948be93cdf55
-
SHA256
9b862f64447fad419ee31f3c3ebf84472864d7e3f55bce0b411bba59b5e6bf27
-
SHA512
6d27d3ee6e853849fc95c733c42ec1e19dd6271872733c85c2e2eece2e97623f3403cd07d0db602647eeb5d7df19cbcdc6bc577da32f6e34eb36852fc0ce45c1
-
SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kycg:zCsanOtEvwDpjK
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 2024-03-08_31813ce39edec42a41b14d3912f107f8_cryptolocker
Files
-
2024-03-08_31813ce39edec42a41b14d3912f107f8_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