Behavioral task
behavioral1
Sample
2024-03-13_35bd5b63bbf7e3125ab77e0aac29be83_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-13_35bd5b63bbf7e3125ab77e0aac29be83_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-13_35bd5b63bbf7e3125ab77e0aac29be83_cryptolocker
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Size
57KB
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MD5
35bd5b63bbf7e3125ab77e0aac29be83
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SHA1
a2acd87a938f4bc0750b574ab3e24d5cd22feb66
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SHA256
1f0fe1a9e04c5d48f6e0c399b6a0bbd2e0cb6f74c989b2fdb2c4e918cb11732b
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SHA512
074d4ed675a46ff0d9670504bf28d8299e88c68304fdbdb7aa0ce1c6c917fe4f1cdc320a8cc29145ed9aff6b9bde664de5c4f2f0eec96af5cc1e721ec490cfcf
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFeV0ZOfcpy7T:zj+soPSMOtEvwDpj4yG
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 2024-03-13_35bd5b63bbf7e3125ab77e0aac29be83_cryptolocker
Files
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2024-03-13_35bd5b63bbf7e3125ab77e0aac29be83_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