Behavioral task
behavioral1
Sample
2024-04-11_31dedc59c82c867fcd2ca19b84db1acc_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-11_31dedc59c82c867fcd2ca19b84db1acc_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-04-11_31dedc59c82c867fcd2ca19b84db1acc_cryptolocker
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Size
53KB
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MD5
31dedc59c82c867fcd2ca19b84db1acc
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SHA1
d753edde7e80569c0ae03e9eca92458da483c159
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SHA256
176c3cf337e97ad186d7f72bfeb29af9261c1d745d7d1435718690fcddda34ed
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SHA512
420eb3688011efc3a5bb522d43fd6c648725cc67bc5ba8a5cbe98c6e1c71d80b43d87ffbda1b9b06a85531935c06fc6eec7eb7ce0928b31ffa19c5bf3f511c62
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgCi:bP9g/xtCS3Dxx0Qi
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 2024-04-11_31dedc59c82c867fcd2ca19b84db1acc_cryptolocker
Files
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2024-04-11_31dedc59c82c867fcd2ca19b84db1acc_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: 17KB - Virtual size: 24KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 12KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 9KB - 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