Behavioral task
behavioral1
Sample
2024-01-25_5b550969af1d5ac02ff403c7aa291914_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-25_5b550969af1d5ac02ff403c7aa291914_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-01-25_5b550969af1d5ac02ff403c7aa291914_cryptolocker
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Size
57KB
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MD5
5b550969af1d5ac02ff403c7aa291914
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SHA1
e9ffdcc879ba0767f979563ad8e8e9daa974d298
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SHA256
ea23fad66093cea70a77b58b677038f8c72bbe9b1d9a546d6ec95647b5a5a7ca
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SHA512
7a8d6f8b9763e4fedafe056526d313a52af43e553a86455c02a957f2940dbf255349da9a0726e25bdea6b84ece750de9c37b03a2940b560f7a34a38afba660cf
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5appgcmU:z6QFElP6n+gKmddpMOtEvwDpj9aYaQ3U
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 2024-01-25_5b550969af1d5ac02ff403c7aa291914_cryptolocker
Files
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2024-01-25_5b550969af1d5ac02ff403c7aa291914_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