Analysis
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max time kernel
148s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20240220-en -
resource tags
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submitted
21/04/2024, 16:44
General
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Target
2024-04-21_f6652f1f2daf38885aa91de1075532d9_cryptolocker.exe
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Size
87KB
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MD5
f6652f1f2daf38885aa91de1075532d9
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SHA1
48441373afc5cbc3a0b3d1fb50bc5627b871a307
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SHA256
1a274a8b523c2605a14f9e1ae1cdb4ea8686ec097634554693a1beaf414a78da
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SHA512
c287413549ef26e75f308fbd983a8bec45142355f6f618fb093ebfb9a4f350b698b35be06fa0a1376e61b85ba518fc6e634237566956d18fe1fb76e4b9ed1a8e
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SSDEEP
768:qkmnjFom/kLyMro2GtOOtEvwDpjeY10Y/YMsvlMdwPK80GQuchoIgtIODc:qkmnpomddpMOtEvwDpjJGYQbN/PKwMg+
Malware Config
Signatures
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Detection of CryptoLocker Variants 5 IoCs
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Detection of Cryptolocker Samples 5 IoCs
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UPX dump on OEP (original entry point) 5 IoCs
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Executes dropped EXE 1 IoCs
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Loads dropped DLL 1 IoCs
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UPX packed file 5 IoCs
Detects executables packed with UPX/modified UPX open source packer.
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of WriteProcessMemory 4 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-04-21_f6652f1f2daf38885aa91de1075532d9_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-21_f6652f1f2daf38885aa91de1075532d9_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
87KB
MD5352e409fea435d1dc81a0bb77eb9e752
SHA1ab18ea6cda8121fa72185faa06def32d3d86691a
SHA25687bf18723b8dcf9fe37d06aab6d6dcb212e4bd1fafe4198809150040fc85c52f
SHA512e3010acb9585444f34fa58475bc839aece5245105f1274c1971e29c0eaa3e660d0e9d6ec7c3d440208ef6e652cadd077ae2627d9114e7e7fb4263434c6b52091
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Filesize
60KB
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Filesize
24KB
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Filesize
24KB
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Filesize
60KB
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Filesize
60KB
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Filesize
24KB
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Filesize
24KB
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Filesize
24KB
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Filesize
60KB