Behavioral task
behavioral1
Sample
2024-05-17_33f953c872d22079b2645f229fb245f3_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-17_33f953c872d22079b2645f229fb245f3_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-17_33f953c872d22079b2645f229fb245f3_cryptolocker
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Size
81KB
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MD5
33f953c872d22079b2645f229fb245f3
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SHA1
40dabef91de9780fc146c96d50bcb2ce2513a3e8
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SHA256
52e36fdb03001e9715712a4090e419e3cc54594eb1c4fe9d497c45a3b073d511
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SHA512
2dddaf0f7ea28a92e3b1ebe42c358fcf05a7bda91535b9dd8ae548264609e597e305f22bc57f67ef45ee04be5f326e1d700f676e081e513e1e49d340fa3859c7
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1ky7Qp/:zCsanOtEvwDpjV
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 2024-05-17_33f953c872d22079b2645f229fb245f3_cryptolocker
Files
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2024-05-17_33f953c872d22079b2645f229fb245f3_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