Behavioral task
behavioral1
Sample
2024-02-21_8b4526fc1650f7678f237ec04ab57b97_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-21_8b4526fc1650f7678f237ec04ab57b97_cryptolocker.exe
Resource
win10v2004-20240220-en
General
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Target
2024-02-21_8b4526fc1650f7678f237ec04ab57b97_cryptolocker
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Size
55KB
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MD5
8b4526fc1650f7678f237ec04ab57b97
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SHA1
e26085fb9634325301680dad7443781f8c47444b
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SHA256
ad2730ba1709573edf6d387005c1bd487079af6f9c85bdb68acca3e617b7bf05
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SHA512
a0559a43d749aaa3b80fc3115dcf2544c95c82eaa0abd9d780213f4bdfe23a6bf702f1588426bb422f4988de8029606ed4ba66702b4a3b4398ed1f82dfd4e8b1
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5axc+:z6QFElP6n+gKmddpMOtEvwDpj9aYav
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 2024-02-21_8b4526fc1650f7678f237ec04ab57b97_cryptolocker
Files
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2024-02-21_8b4526fc1650f7678f237ec04ab57b97_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