Behavioral task
behavioral1
Sample
2024-01-24_4cb7e326e3b7e39e9ec0f8ea8eb7e566_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-01-24_4cb7e326e3b7e39e9ec0f8ea8eb7e566_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-24_4cb7e326e3b7e39e9ec0f8ea8eb7e566_cryptolocker
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Size
90KB
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MD5
4cb7e326e3b7e39e9ec0f8ea8eb7e566
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SHA1
b06c88c0e4cdb5b6546b25a7557e12fb39ae4f7e
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SHA256
c340886526ff985e2774a55d6684a38baaf89215a9fb640c8f918dcb06377610
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SHA512
859c5e0c2c4ea6ee18ade15108af28a4b92b845373c83192672d57551c4041c2361d43a329babdc135364b3a5c54a49dcd38dd045407f61106bc8611d438a5bc
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjhF0k:zCsanOtEvwDpj6
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 2024-01-24_4cb7e326e3b7e39e9ec0f8ea8eb7e566_cryptolocker
Files
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2024-01-24_4cb7e326e3b7e39e9ec0f8ea8eb7e566_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