Behavioral task
behavioral1
Sample
2024-03-05_66563b2fbae75a11ef9d4180eae0beb9_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-05_66563b2fbae75a11ef9d4180eae0beb9_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-05_66563b2fbae75a11ef9d4180eae0beb9_cryptolocker
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Size
93KB
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MD5
66563b2fbae75a11ef9d4180eae0beb9
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SHA1
c31dd93f99c651af35b76255f53f9e7f310a6cce
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SHA256
ee49606db09ee87d2e128350478e7db3fc5b1baa5ef76c12ef360632ce141187
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SHA512
e99082e9f594cf0cc91782097eece6199e6f4030334bbb34689f0c54d834766cc9b717dca9ea04a5cc975126dd4cff3dda6e65ec64ed8c35f48d8006c867a5e1
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjgx/a:zCsanOtEvwDpjBa
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 2024-03-05_66563b2fbae75a11ef9d4180eae0beb9_cryptolocker
Files
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2024-03-05_66563b2fbae75a11ef9d4180eae0beb9_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