Behavioral task
behavioral1
Sample
2024-02-21_4e42d0a61a73b44354769356a27e375c_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-21_4e42d0a61a73b44354769356a27e375c_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-21_4e42d0a61a73b44354769356a27e375c_cryptolocker
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Size
68KB
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MD5
4e42d0a61a73b44354769356a27e375c
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SHA1
73fd3868d2eec337110e9d38a49c444d492d6665
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SHA256
b8c6e994fef6ba5706a64b627589ec12e37e53b4683e5e18d6f00e4104ea8e37
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SHA512
8d350f8fedec4e2642d87e1fe396c8b101e02775b62736489fbdc40327a129cea1441cb4a8c777264d04b7aba265d8bf9c06ee80ffd9f7247fbb52da2559737f
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj9aYaFAeBA:z6a+CdOOtEvwDpjQe
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_4e42d0a61a73b44354769356a27e375c_cryptolocker
Files
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2024-02-21_4e42d0a61a73b44354769356a27e375c_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