Behavioral task
behavioral1
Sample
2024-01-23_9a87283b5910af1ec25928d2c0d62c12_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-23_9a87283b5910af1ec25928d2c0d62c12_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-23_9a87283b5910af1ec25928d2c0d62c12_cryptolocker
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Size
115KB
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MD5
9a87283b5910af1ec25928d2c0d62c12
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SHA1
391ee9df15cc61d479898ccc7659ab854379d05c
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SHA256
25b8b9ef9b86c393541ff5effa28be944c043cda43402137bf39c5961de243b5
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SHA512
a48f5bf89d1aa532edd68ee063959c96392489b4491af8642e6e769d5cde3e5443173225fbe4bb2a985afc0f2a3b67a073ff34859cd0e3313dd38956ad5a7d97
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp01G4:z6a+CdOOtEvwDpjczh
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 2024-01-23_9a87283b5910af1ec25928d2c0d62c12_cryptolocker
Files
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2024-01-23_9a87283b5910af1ec25928d2c0d62c12_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