Behavioral task
behavioral1
Sample
2024-06-12_83757bc73e85e33b51bcb5b6df705b1e_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-06-12_83757bc73e85e33b51bcb5b6df705b1e_cryptolocker.exe
Resource
win10v2004-20240611-en
General
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Target
2024-06-12_83757bc73e85e33b51bcb5b6df705b1e_cryptolocker
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Size
36KB
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MD5
83757bc73e85e33b51bcb5b6df705b1e
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SHA1
22e8121b88e9a53a31e954f4464771b066672e40
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SHA256
6cceac51aca667a3f44b881d6349c7d313d150739a0732ecb94143060ab62329
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SHA512
bceb8f71fc19d0556e700937110f278326d13187edebe09bd74098e89c077267521f5531b346a2aefcf3c3f8de5a36126c640347e9805b75f484f490eaf00af4
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SSDEEP
768:bSOjawZEjbhxnbcuyD7U9kXfn62tH/1/LpPFPn:bSO2wZEjbnouy8Gv6iH/NLpd
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
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 2024-06-12_83757bc73e85e33b51bcb5b6df705b1e_cryptolocker
Files
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2024-06-12_83757bc73e85e33b51bcb5b6df705b1e_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: - Virtual size: 24KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 12KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 9KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE