Behavioral task
behavioral1
Sample
2024-03-12_40f8ec292cf85e9bad1d90b365b9f0ec_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-12_40f8ec292cf85e9bad1d90b365b9f0ec_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-12_40f8ec292cf85e9bad1d90b365b9f0ec_cryptolocker
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Size
79KB
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MD5
40f8ec292cf85e9bad1d90b365b9f0ec
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SHA1
257a1898b69505339bbc982651522267b5ae273f
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SHA256
43f6636986ab2fb8748e27e73df1de9dd59c8ff2ae9fb2e93a4c40046d6f5a48
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SHA512
e02b9ddb5d8650e728eb52115251df1028716b5444cb3a205b1d8627c999a3009621b08738709dfab619ac9768ff0bc28b2b21b5eadace45e922fb92dcb35a8d
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7pBlqrr1HBJooSeKzu1adyBM:zj+soPSMOtEvwDpj4ktBl01hJ0tq1ky2
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 2024-03-12_40f8ec292cf85e9bad1d90b365b9f0ec_cryptolocker
Files
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2024-03-12_40f8ec292cf85e9bad1d90b365b9f0ec_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