Behavioral task
behavioral1
Sample
2024-02-18_5818f0faa33ab9b4d60e5226f579aa91_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-02-18_5818f0faa33ab9b4d60e5226f579aa91_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-18_5818f0faa33ab9b4d60e5226f579aa91_cryptolocker
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Size
80KB
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MD5
5818f0faa33ab9b4d60e5226f579aa91
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SHA1
cb773943608f513bf72b08a646da422e1903f535
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SHA256
271f92c56d84c090bc2335e7c0492f129bfab15ebf4cd67bcfd7b174718d0dfc
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SHA512
990c34d6212c9d316c188163554ab7b74680094f225bdd2fc0a89449c0cf2b6a52203f0d94b934612415fc457ea8e6b5ed6e575501700b0fa73d5cb060b08f93
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBd0x:T6a+rdOOtEvwDpjNtC
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 2024-02-18_5818f0faa33ab9b4d60e5226f579aa91_cryptolocker
Files
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2024-02-18_5818f0faa33ab9b4d60e5226f579aa91_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