Behavioral task
behavioral1
Sample
2024-02-28_bd352a71a72d36457bfcaaf7687c0db3_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-28_bd352a71a72d36457bfcaaf7687c0db3_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-02-28_bd352a71a72d36457bfcaaf7687c0db3_cryptolocker
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Size
83KB
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MD5
bd352a71a72d36457bfcaaf7687c0db3
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SHA1
794a048a473101833143f915c4ec95fa1d9ef4c9
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SHA256
a6d22a68bf0cb67127bdb49d2fe2d6afcaeab41d48163357250ce29ec1a4dd31
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SHA512
a49c2ad33f1831c625014ca45545297aaba4683771a735d48291738a8928b5ce919f2f0bf28e93961c660dc4db78f658984db539bb595b6a69377df767d87e11
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyJS1e:zCsanOtEvwDpjY
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 2024-02-28_bd352a71a72d36457bfcaaf7687c0db3_cryptolocker
Files
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2024-02-28_bd352a71a72d36457bfcaaf7687c0db3_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