Behavioral task
behavioral1
Sample
2024-04-27_58be68aef88548efc40edcd6307cef71_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-04-27_58be68aef88548efc40edcd6307cef71_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-04-27_58be68aef88548efc40edcd6307cef71_cryptolocker
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Size
40KB
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MD5
58be68aef88548efc40edcd6307cef71
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SHA1
cfaf59a735507ceb232e3e99569132fbe7a830f5
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SHA256
e84cb690295436a41c70e1267a023ecd77c9df5a6c97a58ed28fd446e45f51ce
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SHA512
3c9b4491026fa84ccdad01ce3272c2749c007b3625378d3e1f30bc9a94b14c15fbaa5c786bd7c7c3bb5ad4c5b210a8aa09e65f7ca3356bf44b96206b12f54c38
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SSDEEP
384:ba74uGLLQRcsdeQ72ngEr4K7YmE8j6CQYnrz1ZhdaXFXSCVQTLfjDpXqxKH4:ba74zYcgT/EkdCQgpwXFXSqQXfj0xKY
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 2024-04-27_58be68aef88548efc40edcd6307cef71_cryptolocker
Files
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2024-04-27_58be68aef88548efc40edcd6307cef71_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