Behavioral task
behavioral1
Sample
2024-02-20_1899dc5a35cf57fda6f5103a6fff7c16_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-20_1899dc5a35cf57fda6f5103a6fff7c16_cryptolocker.exe
Resource
win10v2004-20231215-en
General
-
Target
2024-02-20_1899dc5a35cf57fda6f5103a6fff7c16_cryptolocker
-
Size
83KB
-
MD5
1899dc5a35cf57fda6f5103a6fff7c16
-
SHA1
2f2843c740f00942f29a048e7ab2dd352cd1bca2
-
SHA256
ba86fc86849967b0b85b3252ec94b1698ff6b3fc035ac2ce07880d3a25aa49ee
-
SHA512
05a8f1763e547ac005b871098dae9816449b1cf865c3176bf137a989a48cd6ccd10e815589d73440213a9bb57eaab0c57d7c962d03dcc8d50082612456fd4469
-
SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyJS1u: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 2024-02-20_1899dc5a35cf57fda6f5103a6fff7c16_cryptolocker
Files
-
2024-02-20_1899dc5a35cf57fda6f5103a6fff7c16_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