Behavioral task
behavioral1
Sample
2024-02-12_d66dbb23cd85300be68ababbae5e6283_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-12_d66dbb23cd85300be68ababbae5e6283_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-12_d66dbb23cd85300be68ababbae5e6283_cryptolocker
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Size
55KB
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MD5
d66dbb23cd85300be68ababbae5e6283
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SHA1
cb0a89296a2093118f1508c6eea61c8c74e2b066
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SHA256
c5197ca96e95a1f4e793b7786ea7ddf2f10dd22cff01aa7ff3b6a3868b21517d
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SHA512
b4d2b94fbd3a1e104cd4f04e55bd47cd9907379c566cb5093449e533b18e194434edb0c1daf8849f7565b95fde0877316d8720170f5d1c7338fd0e2726fe75ef
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5ax84QK:z6QFElP6n+gKmddpMOtEvwDpj9aYar
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 2024-02-12_d66dbb23cd85300be68ababbae5e6283_cryptolocker
Files
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2024-02-12_d66dbb23cd85300be68ababbae5e6283_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