Behavioral task
behavioral1
Sample
2024-01-25_71c50754303776b9ec6d42ccac48f128_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-25_71c50754303776b9ec6d42ccac48f128_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-01-25_71c50754303776b9ec6d42ccac48f128_cryptolocker
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Size
82KB
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MD5
71c50754303776b9ec6d42ccac48f128
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SHA1
094a7f2d4fee2c0e41ab40f5f28daf851e6b3df4
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SHA256
24b6fadbdaf6d41ecf01d0bdd7d2fc58d4b6759c0258b757d1aa7f32f23f5316
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SHA512
f2ee9a524136c7c095e01109a73a573922bcf42e57c93c74639c7564091d462ba2df65d95ebdb14f1c24ec07f2f228f83fb201bb8e97e2fd6c6090cac4e9d126
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyJS1b9:zCsanOtEvwDpjL
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 2024-01-25_71c50754303776b9ec6d42ccac48f128_cryptolocker
Files
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2024-01-25_71c50754303776b9ec6d42ccac48f128_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