Behavioral task
behavioral1
Sample
2024-04-04_76cb22d845f61b134dccf99e71f635f6_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-04_76cb22d845f61b134dccf99e71f635f6_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-04_76cb22d845f61b134dccf99e71f635f6_cryptolocker
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Size
76KB
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MD5
76cb22d845f61b134dccf99e71f635f6
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SHA1
e38fa225f9ff1151890b5cdd603a6d293ed9e197
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SHA256
837a98ab717c52193b8f18569486dfbc3225cb58ca4b2475c70ecade44869b2f
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SHA512
42f791edccb50fec0935b5f6844c2eaa21ba7e5584dc95542d03bbf73bdc20b7d4769324394631383f8825a58d93b9ac900b545985d1ee18b36e838e4a5ede4b
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdJcR/:T6a+rdOOtEvwDpjNtO
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 2024-04-04_76cb22d845f61b134dccf99e71f635f6_cryptolocker
Files
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2024-04-04_76cb22d845f61b134dccf99e71f635f6_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