Behavioral task
behavioral1
Sample
2024-01-24_bca9c9ab50da5a3dd81ec074c527a18f_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-24_bca9c9ab50da5a3dd81ec074c527a18f_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-24_bca9c9ab50da5a3dd81ec074c527a18f_cryptolocker
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Size
91KB
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MD5
bca9c9ab50da5a3dd81ec074c527a18f
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SHA1
e8fe1b205be10eeab456ff2dedde42cf460f3bbf
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SHA256
0555b0d0503944156984f9d5550bb71658cdca9e024e0da1780636256ae48033
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SHA512
d0a25b8065b375b24e95c1e20a5ae772d084650a49fe9988b9940e0b11b738810b81ffe7b249d2b0741658dcb52fbc6cda57ddd7c3a6b182878bb9110750a2de
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjgx/D:zCsanOtEvwDpjBD
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_bca9c9ab50da5a3dd81ec074c527a18f_cryptolocker
Files
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2024-01-24_bca9c9ab50da5a3dd81ec074c527a18f_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