Behavioral task
behavioral1
Sample
2024-03-28_dc99803c6beb1d201e626c58d107b36b_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-28_dc99803c6beb1d201e626c58d107b36b_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-28_dc99803c6beb1d201e626c58d107b36b_cryptolocker
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Size
50KB
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MD5
dc99803c6beb1d201e626c58d107b36b
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SHA1
789b5fae57ecac40dd5000bdd74c6b5a8e9a0adf
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SHA256
b8eb20a93e3ed699e40970f4168e21ff19cefe6b3ab9fcbca928422b60cf36e8
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SHA512
c28fa18df045b687d61f42d36e02b9235a48e18aa9f50bcd98265037cacf5061f87649e40073933b4682f9148938c7d4986af7b74ce17bd2b67f89cda6872884
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YY1J+OT8:z6QFElP6n+gKmddpMOtEvwDpj314
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 2024-03-28_dc99803c6beb1d201e626c58d107b36b_cryptolocker
Files
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2024-03-28_dc99803c6beb1d201e626c58d107b36b_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