Behavioral task
behavioral1
Sample
2024-01-18_51f345161ab2bd7c4df4a6a315bc5f36_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-01-18_51f345161ab2bd7c4df4a6a315bc5f36_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-01-18_51f345161ab2bd7c4df4a6a315bc5f36_cryptolocker
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Size
93KB
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MD5
51f345161ab2bd7c4df4a6a315bc5f36
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SHA1
24451a3f41af1f654017b255c90cbe1d9f98c53d
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SHA256
fb781b33d03494db892e4e9bfd476c3718b01f1d72b77cf6e1dfd6249d7b20e5
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SHA512
464a79635bbdba306a52eefa73e893d5a245bee8c5e4d2b687fdb84cc7226ec1f7cbfe356bcd728074a72c100a87cb3b8718c8fa185a769c2c1f13cebb201e59
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDj9i4RRv:zCsanOtEvwDpjm
Malware Config
Signatures
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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 2024-01-18_51f345161ab2bd7c4df4a6a315bc5f36_cryptolocker
Files
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2024-01-18_51f345161ab2bd7c4df4a6a315bc5f36_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