Behavioral task
behavioral1
Sample
2024-01-25_e91fbe4b5e55ad5537e34800b1e20ecd_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-25_e91fbe4b5e55ad5537e34800b1e20ecd_cryptolocker.exe
Resource
win10v2004-20231215-en
General
-
Target
2024-01-25_e91fbe4b5e55ad5537e34800b1e20ecd_cryptolocker
-
Size
77KB
-
MD5
e91fbe4b5e55ad5537e34800b1e20ecd
-
SHA1
4ee3cdaabbf137410cdb943c200fd06f572dabd0
-
SHA256
d5912ff368f27617843c4504527fcfd53940852a2c156d9cbbe3ffa7b95dca94
-
SHA512
1fbf5e6e3be66ed489603ee96c3277e6e421b65485e0a1371789f868f24998533ddbf371987fdc278f659e3539acdea70d2d8b86b654dcac9ffcc2a35bd09b1a
-
SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1ky7Qc3:zCsanOtEvwDpjI
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 2024-01-25_e91fbe4b5e55ad5537e34800b1e20ecd_cryptolocker
Files
-
2024-01-25_e91fbe4b5e55ad5537e34800b1e20ecd_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