Behavioral task
behavioral1
Sample
2024-02-18_2ebfaa373f2e47f6a5708a48a80e9d5b_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-02-18_2ebfaa373f2e47f6a5708a48a80e9d5b_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-18_2ebfaa373f2e47f6a5708a48a80e9d5b_cryptolocker
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Size
55KB
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MD5
2ebfaa373f2e47f6a5708a48a80e9d5b
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SHA1
b418cc817bbaf998294807c490657ee71a044899
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SHA256
63176b2806ae40aab3c05a8741d5107c4a1ad33428b3b4ec916a0a9e39aebbbd
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SHA512
c7ec2a75710e6143eba706050d4c34ad8385cf46556f71bf56e4827dbc89add3bc4c8bb6e0af7eb9802fefea84489df71d27063c90c8ba2c56358ba8355baf2c
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5axcm:z6QFElP6n+gKmddpMOtEvwDpj9aYaH
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 2024-02-18_2ebfaa373f2e47f6a5708a48a80e9d5b_cryptolocker
Files
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2024-02-18_2ebfaa373f2e47f6a5708a48a80e9d5b_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