Behavioral task
behavioral1
Sample
2024-04-05_e90e95b20c253af52e0c4876f976e91e_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-05_e90e95b20c253af52e0c4876f976e91e_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-05_e90e95b20c253af52e0c4876f976e91e_cryptolocker
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Size
64KB
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MD5
e90e95b20c253af52e0c4876f976e91e
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SHA1
be0d3cd35769bc288e1cc7ba15059574e7029e0d
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SHA256
15dc12cd14d5b2604df5147d7c51f0c8f1fff9ae3e6922aeeb1a6ff8aa64e16e
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SHA512
ab59f9e5e9ff84258d41b74599e960feba7d7bd45e49ac359104777edd80627c205dd0abdf9eecde3dfadcde53978a6cbc2dd4c8f05ec2511fd6cff48b721990
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7yBEY9Su8F5mLZ5kJ7AB:zj+soPSMOtEvwDpj4kpmeLmQlAB
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 2024-04-05_e90e95b20c253af52e0c4876f976e91e_cryptolocker
Files
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2024-04-05_e90e95b20c253af52e0c4876f976e91e_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