Behavioral task
behavioral1
Sample
2024-02-03_a5c74e67e6aa9b271a23963eda036e4d_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-03_a5c74e67e6aa9b271a23963eda036e4d_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-03_a5c74e67e6aa9b271a23963eda036e4d_cryptolocker
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Size
106KB
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MD5
a5c74e67e6aa9b271a23963eda036e4d
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SHA1
4fc3258918a559d3b19db290ac4402f5da779953
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SHA256
321f94dfc56d3b9562ed68782711ffa7e4e2c02fdeeb3fd2918befe1518d1c8f
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SHA512
eb6cfbee33a6f6312101df4d922c597e51c8cad8d1c6d27f47e6f8a8dec77cdc03484f464404053776a60b77383ae0ccf2cae0237c6843aac5da242f9d5e5a99
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjIHsalRn5iF1j6GksL:1nK6a+qdOOtEvwDpjL
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 2024-02-03_a5c74e67e6aa9b271a23963eda036e4d_cryptolocker
Files
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2024-02-03_a5c74e67e6aa9b271a23963eda036e4d_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
Sections
UPX0 Size: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.ap0x Size: 1024B - Virtual size: 785B
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE