Behavioral task
behavioral1
Sample
2024-02-23_c38fac8e71a75d8d1bb29c63eb9e53b7_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-23_c38fac8e71a75d8d1bb29c63eb9e53b7_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-23_c38fac8e71a75d8d1bb29c63eb9e53b7_cryptolocker
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Size
57KB
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MD5
c38fac8e71a75d8d1bb29c63eb9e53b7
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SHA1
5b16a82da5cbe5e3b318ec99839a77c689be02ba
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SHA256
2cdaa9c495a5eb6f788c90d5197d76b2e97d46831b8788063a3cc34b3693d136
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SHA512
692b89a6c4d5a53989343d0565a5b2ca8796b96cacf0045bb34571d436d18f74edea2b3e073ad639bff5acb7b3e595ac9420ec837c8c6c147e9edb53e03ce637
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5appEKksOk:z6QFElP6n+gKmddpMOtEvwDpj9aYaF
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 2024-02-23_c38fac8e71a75d8d1bb29c63eb9e53b7_cryptolocker
Files
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2024-02-23_c38fac8e71a75d8d1bb29c63eb9e53b7_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