Behavioral task
behavioral1
Sample
2024-03-07_b3a6dffca87e82fd109a8791d7d607d0_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-07_b3a6dffca87e82fd109a8791d7d607d0_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-07_b3a6dffca87e82fd109a8791d7d607d0_cryptolocker
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Size
106KB
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MD5
b3a6dffca87e82fd109a8791d7d607d0
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SHA1
10c31e09671953e963569a50b6b6226e1e47faf9
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SHA256
94abf8e69f61b98007ffb6b17758ce9b3c912d7259bcd7f33ea85ea5bff60aaf
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SHA512
1f07bdcba8eaf19bd64016f0e3bd569928a43c3cea0778f8476148af8903381962c304e6f64df6a38c0304f7eefded4727a3b491bb46d64cf5ea29ca50b70143
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjIHsalRn5iF1j6GksurTE:1nK6a+qdOOtEvwDpjh
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 2024-03-07_b3a6dffca87e82fd109a8791d7d607d0_cryptolocker
Files
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2024-03-07_b3a6dffca87e82fd109a8791d7d607d0_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