Behavioral task
behavioral1
Sample
2024-04-09_71dc15c55d4054374c219859ff457ef8_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-09_71dc15c55d4054374c219859ff457ef8_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-09_71dc15c55d4054374c219859ff457ef8_cryptolocker
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Size
93KB
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MD5
71dc15c55d4054374c219859ff457ef8
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SHA1
8192eaf0b5a5e4df02e410393c2b66f3dcaa845d
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SHA256
1026d531d7204079e808c2e90fc473f65720fe9451205fe13c36c6ce4de1140c
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SHA512
2fe43cc23a7aa31a1210b9f2c7331c774d41eb2d69103854a3edf011a4bc689f1a2b1453c0b1b05aa433a93c6b937c7b5894098aa7a33f3b1d3c0614ab52ac67
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjgx/a:zCsanOtEvwDpjBa
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 2024-04-09_71dc15c55d4054374c219859ff457ef8_cryptolocker
Files
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2024-04-09_71dc15c55d4054374c219859ff457ef8_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