Behavioral task
behavioral1
Sample
2024-02-19_df5a1141cdaf6205db3e3181631e3b72_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-02-19_df5a1141cdaf6205db3e3181631e3b72_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-19_df5a1141cdaf6205db3e3181631e3b72_cryptolocker
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Size
148KB
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MD5
df5a1141cdaf6205db3e3181631e3b72
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SHA1
b2918ccd755ce2e2cac75640e5a695760ce19ed9
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SHA256
74813366d8890ddc43a0cdffc59405f0ce99cd83721a4574e58ca9a7d37699e4
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SHA512
c5934f1c44e81d9a0529fa987cdeac3dc1c02332040b05a906f5cc898eb820e65e605338042bb748c4f217692a48b50c53ebb0b2020a72a4219830b4f5e5ba6a
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp699GNtL1e5:z6a+CdOOtEvwDpjczj
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_df5a1141cdaf6205db3e3181631e3b72_cryptolocker
Files
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2024-02-19_df5a1141cdaf6205db3e3181631e3b72_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_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