Behavioral task
behavioral1
Sample
2024-02-22_528cba8832293c2b0284a9458cb43f6b_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-02-22_528cba8832293c2b0284a9458cb43f6b_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-22_528cba8832293c2b0284a9458cb43f6b_cryptolocker
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Size
81KB
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MD5
528cba8832293c2b0284a9458cb43f6b
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SHA1
37f3328010ac8a35517bf5d3ecbff51df099821b
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SHA256
5c3f8cc6e472e692f4de9581efc127a9458749754864232c2e497d800e9852d1
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SHA512
83b26992c253defaac1991ba25bf3311465348cd69d89cbe29fc465cabffa2dd4df33c3154e64ef737cf78b3e67746a812e047c89a8ce3c0633baa010fce4f28
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBd0nC:T6a+rdOOtEvwDpjNtx
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 2024-02-22_528cba8832293c2b0284a9458cb43f6b_cryptolocker
Files
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2024-02-22_528cba8832293c2b0284a9458cb43f6b_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