Behavioral task
behavioral1
Sample
2024-03-10_5562daa02573aaec610ac2e41fc48bd7_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-03-10_5562daa02573aaec610ac2e41fc48bd7_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-10_5562daa02573aaec610ac2e41fc48bd7_cryptolocker
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Size
83KB
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MD5
5562daa02573aaec610ac2e41fc48bd7
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SHA1
1f5e722a5db1fb39f72db7a045b5eba58806852f
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SHA256
f2033dcfa541d8f8c3bdb6799f2b4d3b75965a9f9ed5869f5b8b95195553e804
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SHA512
11ce2cb9929b8e8cf3eff41dea43da665e23e645192765087dd98399daa5bf0e2838dea2643c8eb838c81142b5490d0ad1f5848ec9ae9c608037d9cc4e9a8163
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyJS1s:zCsanOtEvwDpjC
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 2024-03-10_5562daa02573aaec610ac2e41fc48bd7_cryptolocker
Files
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2024-03-10_5562daa02573aaec610ac2e41fc48bd7_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