Behavioral task
behavioral1
Sample
2024-02-23_ef489e169ed9293aeb39b66cc815e03e_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-23_ef489e169ed9293aeb39b66cc815e03e_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-23_ef489e169ed9293aeb39b66cc815e03e_cryptolocker
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Size
81KB
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MD5
ef489e169ed9293aeb39b66cc815e03e
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SHA1
c54f88db41b01fb093c038820cbf2197bde956e9
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SHA256
d3c6f8ba4e0598c46a5d7db7aafa0e4fd1fd7662b48cba76c5aca55f59df3542
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SHA512
451af7bea049b4bbe40cad274782ab8b76c6447885373f643e10fb3c43a567e999d75d8769f795434f90fa5e7631d801c141486ca64cdec25d75bcf00bbfc9d7
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBd02:T6a+rdOOtEvwDpjNt1
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 2024-02-23_ef489e169ed9293aeb39b66cc815e03e_cryptolocker
Files
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2024-02-23_ef489e169ed9293aeb39b66cc815e03e_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_CODE
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