Behavioral task
behavioral1
Sample
2024-01-22_8cbc1bcee7ef4966eba8eee552412faa_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-22_8cbc1bcee7ef4966eba8eee552412faa_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-01-22_8cbc1bcee7ef4966eba8eee552412faa_cryptolocker
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Size
64KB
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MD5
8cbc1bcee7ef4966eba8eee552412faa
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SHA1
a6fdcc4d11d8c2ffda5955d5ed42e5fd1aafc559
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SHA256
405b35eba866f62e5dcca1a949da5b6b62553dc11a495a29b5c7443332acae69
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SHA512
af3a421b5e2959adcf632b31f76b3aad1750a8d95d01ef4097b63a6cca483a8b575b28c98bbcdeef6f9d31c51ff900a61b622baae0dd96653d3fd2dc3064aac2
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SSDEEP
768:T6LsoEEeegiZPvEhHSG+gxFum/kLyMro2GtOOtEvwDpjh:T6QFElP6n+gxwmddpMOtEvwDpj
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 2024-01-22_8cbc1bcee7ef4966eba8eee552412faa_cryptolocker
Files
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2024-01-22_8cbc1bcee7ef4966eba8eee552412faa_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_CODE
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