Behavioral task
behavioral1
Sample
2024-04-05_42a9deadfcd056f1f493ffdde2809633_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-04-05_42a9deadfcd056f1f493ffdde2809633_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-05_42a9deadfcd056f1f493ffdde2809633_cryptolocker
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Size
50KB
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MD5
42a9deadfcd056f1f493ffdde2809633
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SHA1
5781bff852314970755406db52ac4ebcdff87a59
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SHA256
9e31cc9d9c7dac9f82b56b0b980f623d3fb57fd2e0c567df595fdb04018fedf5
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SHA512
8a97e1fe3999d7fbc78a76a67fc586946921390daabc340e7ad25a9d9b9f0159266114f4d774d38864b974331bc7b2ee4122f753da914513c9eea69b40cd21b4
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YY1J+OTGVI:z6QFElP6n+gKmddpMOtEvwDpj31aVI
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 2024-04-05_42a9deadfcd056f1f493ffdde2809633_cryptolocker
Files
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2024-04-05_42a9deadfcd056f1f493ffdde2809633_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