Behavioral task
behavioral1
Sample
2024-02-13_369433803d674c601a4d8f3d8c81bf79_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-13_369433803d674c601a4d8f3d8c81bf79_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-02-13_369433803d674c601a4d8f3d8c81bf79_cryptolocker
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Size
77KB
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MD5
369433803d674c601a4d8f3d8c81bf79
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SHA1
61f0bf7f4a1061e6a4b72292f1d77be0294f4314
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SHA256
0e51a7ebd24f2118f4c473308de537f055d5065de1b9236be91ecf3e8728f62f
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SHA512
481a54c2d3ca0223908ca69bd0c448bac8310a4f9f4226b0d83b57c121990f0a5c54c30d71a024797dd25c31a4e8fdf350fbeeefaafce697f7bca5a5fa8be7d0
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOA+YSafiPuH:T6a+rdOOtEvwDpjNcN
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 2024-02-13_369433803d674c601a4d8f3d8c81bf79_cryptolocker
Files
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2024-02-13_369433803d674c601a4d8f3d8c81bf79_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