Behavioral task
behavioral1
Sample
2024-05-11_a3c54959a8f0c71175804d18231cde33_cryptolocker.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
2024-05-11_a3c54959a8f0c71175804d18231cde33_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-11_a3c54959a8f0c71175804d18231cde33_cryptolocker
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Size
89KB
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MD5
a3c54959a8f0c71175804d18231cde33
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SHA1
bd50cc4b48d2bab2d5517c03180bba0cd565c6ac
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SHA256
68c4630625d8121b868636ae9c1e4e78b81048fe139d735c15798a19d22587fe
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SHA512
7e8876a014994298c2f9f60e30b70afe725e1ac28f8b99eea7bbf7b4ed8933ef282f2bb1e3e0690bca68897d5a659b3232d72d12573bce7c86447f76dd61117f
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRMy8tybly:zCsanOtEvwDpjR
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 2024-05-11_a3c54959a8f0c71175804d18231cde33_cryptolocker
Files
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2024-05-11_a3c54959a8f0c71175804d18231cde33_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