Behavioral task
behavioral1
Sample
2024-05-13_23b404418a535e322367c26de709c556_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-13_23b404418a535e322367c26de709c556_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-13_23b404418a535e322367c26de709c556_cryptolocker
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Size
41KB
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MD5
23b404418a535e322367c26de709c556
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SHA1
0f260d2380823a09fbc00f807b5ca47f833ff5d2
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SHA256
0ee73d373be7293b21020974822233a6c0c56750c0a38235168c622907a235f4
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SHA512
ba2bdb0c691d65fe5cea7817ad236735fc689ef027e8664fd95c34180bed6af9549e020691ee39a56973b0ed3c204e89e93d1477495a9e22617e479d3c3bcdc2
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SSDEEP
384:ba74uGLLQRcsdeQ72ngEr4K7YmE8j6CQYnrz1ZhdaXFXSCVQTLfjDpXqxKHNQU:ba74zYcgT/EkdCQgpwXFXSqQXfj0xKCU
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 2024-05-13_23b404418a535e322367c26de709c556_cryptolocker
Files
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2024-05-13_23b404418a535e322367c26de709c556_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