Behavioral task
behavioral1
Sample
2024-05-24_681cac632b682b9664e554d22d6bcb71_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-05-24_681cac632b682b9664e554d22d6bcb71_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-24_681cac632b682b9664e554d22d6bcb71_cryptolocker
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Size
41KB
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MD5
681cac632b682b9664e554d22d6bcb71
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SHA1
551c759ebfa15bd1d106186b148ee57dc4edb331
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SHA256
0a69637f0f02104c2c54f68a618b6501fea55623859a2d888d8deae7ed7c28e9
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SHA512
9cadaf31cdcf0cadee2c11a78ca225b51e202aa3885623499d0f16a1fcc4b5722d70b57c49437f86e6570a01984a229c8dc5ca3cfcdd64dbc8823fd965d557ea
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SSDEEP
384:ba74uGLLQRcsdeQ72ngEr4K7YmE8j6CQYnrz1ZhdaXFXSCVQTLfjDpXqxKHT:ba74zYcgT/EkdCQgpwXFXSqQXfj0xKz
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
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 2024-05-24_681cac632b682b9664e554d22d6bcb71_cryptolocker
Files
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2024-05-24_681cac632b682b9664e554d22d6bcb71_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: 16KB - Virtual size: 28KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 8KB - 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