Behavioral task
behavioral1
Sample
2024-02-04_641b8849091189c2e788403bb4ec2d7d_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-04_641b8849091189c2e788403bb4ec2d7d_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-04_641b8849091189c2e788403bb4ec2d7d_cryptolocker
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Size
117KB
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MD5
641b8849091189c2e788403bb4ec2d7d
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SHA1
b767fa7decd6ac1efe8c3e44585cec7529c16979
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SHA256
0e9d31ee1a630def99b9d8c07904b4da137311a76f348dea2f3d7cf610498fed
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SHA512
edc5fc7b97ec4cce9f1d34a55821f7614a0d778e106dd2bb7b31873766a1dd35af97b93b955775ee2ba36dedfd22e919a9d0043c49c98f482ed3decadfbcd4a9
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp01Qaa6:z6a+CdOOtEvwDpjczj
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 2024-02-04_641b8849091189c2e788403bb4ec2d7d_cryptolocker
Files
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2024-02-04_641b8849091189c2e788403bb4ec2d7d_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