Behavioral task
behavioral1
Sample
2024-02-24_7831f36b3491c3d49095031ada2e336a_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-24_7831f36b3491c3d49095031ada2e336a_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-24_7831f36b3491c3d49095031ada2e336a_cryptolocker
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Size
83KB
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MD5
7831f36b3491c3d49095031ada2e336a
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SHA1
502196d5f7a64276298ce73dac9f580126ce0ad8
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SHA256
48220a0f01bd4cb203b338190087eb54a0114cc53c7e618ff564804016486a1a
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SHA512
e10b8440f5905448529a8a83aed30c0da138a39b54470a5986a82d2a19a86b30f993a7a39256a1251214df3a9f0f902b199f5b7db23d841b585d9efbb70b3eb5
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyJS1Yn6:zCsanOtEvwDpjJ
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 2024-02-24_7831f36b3491c3d49095031ada2e336a_cryptolocker
Files
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2024-02-24_7831f36b3491c3d49095031ada2e336a_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