Behavioral task
behavioral1
Sample
2024-03-19_aa40a10f9234a27dce773a6f82ebdffd_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-19_aa40a10f9234a27dce773a6f82ebdffd_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-19_aa40a10f9234a27dce773a6f82ebdffd_cryptolocker
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Size
57KB
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MD5
aa40a10f9234a27dce773a6f82ebdffd
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SHA1
512777bc448ebee49d63b560b6f5d2fcbe8d0461
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SHA256
e8b502f09dc71b041608cdd8b404a26f7c01c5ce9873a2bd2a3c66f7eb1dba4c
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SHA512
dfc157e25c5ca7624e79e1ba015ec8359103fdc2c11cdedb3b307141b5d07fb409054bab3c27d826c73da7e37de48d0c7481f46b56d30bd5ec182910ed91a081
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5ax84QrPev:z6QFElP6n+gKmddpMOtEvwDpj9aYaMev
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 2024-03-19_aa40a10f9234a27dce773a6f82ebdffd_cryptolocker
Files
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2024-03-19_aa40a10f9234a27dce773a6f82ebdffd_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_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