Behavioral task
behavioral1
Sample
2024-05-17_734eb3f7b406b9f82171b5bab5dfc441_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-05-17_734eb3f7b406b9f82171b5bab5dfc441_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-17_734eb3f7b406b9f82171b5bab5dfc441_cryptolocker
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Size
110KB
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MD5
734eb3f7b406b9f82171b5bab5dfc441
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SHA1
dcd4b959f65f232c80be4ec520834ca24bfa5a91
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SHA256
c54187c8f732fef168a7ebb94f2abcc2e939a93f04f2c465fbfebf948c94a5fa
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SHA512
b45a5c9dfc9094633fdcdf24bb3fea0be73aab1ab146ca8270882e93c53f94851666dfa89e9a282f4eeb29944c87b5d140f2153614c19e72beb1821b0512151c
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwMgR:z6a+CdOOtEvwDpjczF
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 2024-05-17_734eb3f7b406b9f82171b5bab5dfc441_cryptolocker
Files
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2024-05-17_734eb3f7b406b9f82171b5bab5dfc441_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