Behavioral task
behavioral1
Sample
2024-03-18_b3b3441ca95af2f3114b711b9c7b22b5_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-18_b3b3441ca95af2f3114b711b9c7b22b5_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-18_b3b3441ca95af2f3114b711b9c7b22b5_cryptolocker
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Size
99KB
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MD5
b3b3441ca95af2f3114b711b9c7b22b5
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SHA1
4907fcfb0029d2310ef8b1d58fa9248fee4c7870
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SHA256
05e8adea3505258bc7dacfcf88cef22986d0d7fc395f0df57f0c291313421196
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SHA512
b212b28ce4b041c71a8169cc61f31c802fb53bc17aad0e773700c24dc6f56178cc6b114503d4737a1c53194ab41636420ed1157fdf45b962f5538ff5541fe4f7
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbbr/BKiXa6cLh:z6a+CdOOtEvwDpjcU
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 2024-03-18_b3b3441ca95af2f3114b711b9c7b22b5_cryptolocker
Files
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2024-03-18_b3b3441ca95af2f3114b711b9c7b22b5_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