Behavioral task
behavioral1
Sample
2024-02-20_7a9cece2b6e0c87b21c011c2b764c887_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-20_7a9cece2b6e0c87b21c011c2b764c887_cryptolocker.exe
Resource
win10v2004-20240220-en
General
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Target
2024-02-20_7a9cece2b6e0c87b21c011c2b764c887_cryptolocker
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Size
75KB
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MD5
7a9cece2b6e0c87b21c011c2b764c887
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SHA1
a2c0fa7a6203643b199b7bacfb8948fc273456b7
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SHA256
1ab5cecf63f7b371ede4e76c294baa4ca256ff7d409b7e7c45f12a9b32a38283
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SHA512
a38f841c073bb1ff5a3aab00c4150f4b17ffb3024888ecc3f6d75c314e7dfad3e18222418f03efa091d53e4684fc3480b6decd2716477551added3efac22720b
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdJcVt:T6a+rdOOtEvwDpjNtU
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 2024-02-20_7a9cece2b6e0c87b21c011c2b764c887_cryptolocker
Files
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2024-02-20_7a9cece2b6e0c87b21c011c2b764c887_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