Behavioral task
behavioral1
Sample
2024-03-19_a37787f2fc2fbcdf2bf7813927c26333_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-19_a37787f2fc2fbcdf2bf7813927c26333_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-19_a37787f2fc2fbcdf2bf7813927c26333_cryptolocker
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Size
71KB
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MD5
a37787f2fc2fbcdf2bf7813927c26333
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SHA1
60a9924d05ac7def3f29f3f65e75c379f62ec1db
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SHA256
a57f07722291eb2ec328792923533035ac8022501984135e5d9865e94ae80344
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SHA512
2fda872ccf5bd8329504f4a661809974045158f00333ee845ebb61a8a6836ee100c70c4451d7e81c3fa618696988a0d4c5f03a68b61b58a1f1e1d90ed540090c
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj9aYaFAeB3:z6a+CdOOtEvwDpjQl
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 2024-03-19_a37787f2fc2fbcdf2bf7813927c26333_cryptolocker
Files
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2024-03-19_a37787f2fc2fbcdf2bf7813927c26333_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