Behavioral task
behavioral1
Sample
2024-01-25_f5c36bf08fb05a40b937650eef757ca1_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-25_f5c36bf08fb05a40b937650eef757ca1_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-25_f5c36bf08fb05a40b937650eef757ca1_cryptolocker
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Size
73KB
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MD5
f5c36bf08fb05a40b937650eef757ca1
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SHA1
c85a24f98867c0352ef3fbd99af9353047d02062
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SHA256
71f4a842b80187fdcf8b12921e49c114372c2d99ecef6480428ef3b94d2421ca
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SHA512
ac435b483f8eb64fbdf3e69ec9ad4125a14f60e2ce171a9ccfe370c1a515b03b0dae5df0d02e5d17f989edfa383ac6694a608441a3b6f0d993709189b6c6860b
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdxPUxb:T6a+rdOOtEvwDpjNtHPs
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_f5c36bf08fb05a40b937650eef757ca1_cryptolocker
Files
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2024-01-25_f5c36bf08fb05a40b937650eef757ca1_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