Behavioral task
behavioral1
Sample
2024-02-13_b50ff77a6c2c6d859c989b3123397ec5_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-13_b50ff77a6c2c6d859c989b3123397ec5_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-02-13_b50ff77a6c2c6d859c989b3123397ec5_cryptolocker
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Size
63KB
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MD5
b50ff77a6c2c6d859c989b3123397ec5
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SHA1
3846242c792f55efdb25ffa23eb66853d4b19f06
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SHA256
cef5ef4b28d89ee2c7b8ab8db648d4080cc0a038deb03700f8a7da30a07a0980
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SHA512
517f617ea469e58e4285a515af92cfb50f5f9177b21a50e51e8cb170b9d642857c65961c1d75c822a8df93dcfafbbbce90bb1817d9109f77ff60d6aed87d480b
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7yBEY9Su8F5mLZ5kT:zj+soPSMOtEvwDpj4kpmeLmQT
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 2024-02-13_b50ff77a6c2c6d859c989b3123397ec5_cryptolocker
Files
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2024-02-13_b50ff77a6c2c6d859c989b3123397ec5_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