Analysis
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max time kernel
169s -
max time network
180s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
25-11-2022 22:32
Behavioral task
behavioral1
Sample
2125b4daf06975026633bafe63074682b34fb82095a02ccce195dae6366c6220.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
2125b4daf06975026633bafe63074682b34fb82095a02ccce195dae6366c6220.exe
Resource
win10v2004-20220812-en
General
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Target
2125b4daf06975026633bafe63074682b34fb82095a02ccce195dae6366c6220.exe
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Size
112KB
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MD5
e89dd7ebedfaabffe9c5da548af40cf7
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SHA1
5194e471dac60d9c90a5395208fb674110c8ae7e
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SHA256
2125b4daf06975026633bafe63074682b34fb82095a02ccce195dae6366c6220
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SHA512
8087a2569e181ef3cacdf5531a0d9145d7ec2f024e49a4f6b3bb6134ca90a13746f89bcb01181fccb7e7d978dff6b1090ee1a306efada7265610ac36252ca68e
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SSDEEP
3072:vFQgWfhC4PdN8TAGkRzUNz7rtk3NfPeQi2K7VxRqkZ4raq:9QlE43eAGktm63hPwp7VxRq1rB
Malware Config
Signatures
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Sets DLL path for service in the registry 2 TTPs 1 IoCs
Processes:
2125b4daf06975026633bafe63074682b34fb82095a02ccce195dae6366c6220.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\IPv6NetBrowsSvc\Parameters\ServiceDll = "C:\\Windows\\IPv6NetBrowsSvc.dll" 2125b4daf06975026633bafe63074682b34fb82095a02ccce195dae6366c6220.exe -
Processes:
resource yara_rule behavioral2/memory/2092-132-0x00000000003B0000-0x00000000003E9000-memory.dmp vmprotect \??\c:\windows\ipv6netbrowssvc.dll vmprotect C:\Windows\IPv6NetBrowsSvc.dll vmprotect behavioral2/memory/4708-137-0x0000000075820000-0x0000000075859000-memory.dmp vmprotect behavioral2/memory/2092-139-0x00000000003B0000-0x00000000003E9000-memory.dmp vmprotect behavioral2/memory/4708-141-0x0000000075820000-0x0000000075859000-memory.dmp vmprotect -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
2125b4daf06975026633bafe63074682b34fb82095a02ccce195dae6366c6220.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation 2125b4daf06975026633bafe63074682b34fb82095a02ccce195dae6366c6220.exe -
Loads dropped DLL 1 IoCs
Processes:
svchost.exepid process 4708 svchost.exe -
Drops file in Windows directory 2 IoCs
Processes:
2125b4daf06975026633bafe63074682b34fb82095a02ccce195dae6366c6220.exedescription ioc process File created C:\Windows\IPv6NetBrowsSvc.dll 2125b4daf06975026633bafe63074682b34fb82095a02ccce195dae6366c6220.exe File opened for modification C:\Windows\IPv6NetBrowsSvc.dll 2125b4daf06975026633bafe63074682b34fb82095a02ccce195dae6366c6220.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious use of WriteProcessMemory 3 IoCs
Processes:
2125b4daf06975026633bafe63074682b34fb82095a02ccce195dae6366c6220.exedescription pid process target process PID 2092 wrote to memory of 5100 2092 2125b4daf06975026633bafe63074682b34fb82095a02ccce195dae6366c6220.exe cmd.exe PID 2092 wrote to memory of 5100 2092 2125b4daf06975026633bafe63074682b34fb82095a02ccce195dae6366c6220.exe cmd.exe PID 2092 wrote to memory of 5100 2092 2125b4daf06975026633bafe63074682b34fb82095a02ccce195dae6366c6220.exe cmd.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2125b4daf06975026633bafe63074682b34fb82095a02ccce195dae6366c6220.exe"C:\Users\Admin\AppData\Local\Temp\2125b4daf06975026633bafe63074682b34fb82095a02ccce195dae6366c6220.exe"1⤵
- Sets DLL path for service in the registry
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2092 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\240580453.bat" "2⤵PID:5100
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C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k ipv6srvs -s IPv6NetBrowsSvc1⤵
- Loads dropped DLL
PID:4708
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
239B
MD5ac7b10114de43e1b08690e991e36513a
SHA1434cf017c932fa144c6b7d43e2782d4b10de2cd4
SHA2563e9f56b98060d448fe2ca7026afae7c545216356677063215bf58f635837ed1f
SHA512a1a7ccd03be2bf846b64b13e440c024c1c8241328bf93c533914b1e4e6d31c12aee023c7646e61451992f2ffa8bcea889b982448ee6d2e6a16f9bb0876cc2c18
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Filesize
112KB
MD55e886d049a9f45e8b9de6c9b3f36c3c2
SHA111e3e58f76fbe87d4f4e806d5b1cce7d29d32ee5
SHA256284217c717da286f7f613c53e1f134808b7bba010ad945212b7ba6db3f01ca39
SHA512d97a26c235f6560b7ab8eca5e07082f04de55683454803c15bc405f8951ddeda31a85ccd4181adc0bdf19452f693e89174c68bee1a45d584bd4a710fa6c7890d
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Filesize
112KB
MD55e886d049a9f45e8b9de6c9b3f36c3c2
SHA111e3e58f76fbe87d4f4e806d5b1cce7d29d32ee5
SHA256284217c717da286f7f613c53e1f134808b7bba010ad945212b7ba6db3f01ca39
SHA512d97a26c235f6560b7ab8eca5e07082f04de55683454803c15bc405f8951ddeda31a85ccd4181adc0bdf19452f693e89174c68bee1a45d584bd4a710fa6c7890d