Behavioral task
behavioral1
Sample
2024-02-19_77ff604cb008dc8d0a306af33419dc03_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-19_77ff604cb008dc8d0a306af33419dc03_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-19_77ff604cb008dc8d0a306af33419dc03_cryptolocker
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Size
56KB
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MD5
77ff604cb008dc8d0a306af33419dc03
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SHA1
d640dae05fc53b8e35da9e6c15f3adbcf65635b2
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SHA256
c60ce53f6e5e1b0f0baf5deca861ddcd3835e6d8ea64dae687e1f1f5ce1d72fc
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SHA512
4351236d05f08762f3acde0d6ae752f1875be555b1c5019ed6b782d589787aab125676d7be818943de6f040ec4f8e29c3909b7f6a6400136369caaf14fa29212
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFeV0ZOfcpyW:zj+soPSMOtEvwDpj4yn
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 2024-02-19_77ff604cb008dc8d0a306af33419dc03_cryptolocker
Files
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2024-02-19_77ff604cb008dc8d0a306af33419dc03_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