Analysis Overview
SHA256
6b6a9dae491fda4b6ff3ed1e7fe3330a54c7602e53bb84148698b781e891179b
Threat Level: Known bad
The file 6b6a9dae491fda4b6ff3ed1e7fe3330a54c7602e53bb84148698b781e891179b was found to be: Known bad.
Malicious Activity Summary
HawkEye
Nirsoft
Nirsoft
NirSoft MailPassView
NirSoft WebBrowserPassView
Uses the VBS compiler for execution
Adds Run key to start application
Accesses Microsoft Outlook accounts
Looks up external IP address via web service
Suspicious use of SetThreadContext
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Modifies system certificate store
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-03-10 03:04
Signatures
Nirsoft
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
NirSoft MailPassView
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
NirSoft WebBrowserPassView
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2022-03-10 03:04
Reported
2022-03-10 03:06
Platform
win7-en-20211208
Max time kernel
148s
Max time network
128s
Command Line
Signatures
HawkEye
NirSoft MailPassView
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
NirSoft WebBrowserPassView
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Nirsoft
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Uses the VBS compiler for execution
Accesses Microsoft Outlook accounts
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts | C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update = "C:\\Users\\Admin\\AppData\\Roaming\\WindowsUpdate.exe" | C:\Users\Admin\AppData\Local\Temp\6b6a9dae491fda4b6ff3ed1e7fe3330a54c7602e53bb84148698b781e891179b.exe | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | whatismyipaddress.com | N/A | N/A |
| N/A | whatismyipaddress.com | N/A | N/A |
| N/A | whatismyipaddress.com | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1628 set thread context of 1080 | N/A | C:\Users\Admin\AppData\Local\Temp\6b6a9dae491fda4b6ff3ed1e7fe3330a54c7602e53bb84148698b781e891179b.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe |
| PID 1628 set thread context of 1100 | N/A | C:\Users\Admin\AppData\Local\Temp\6b6a9dae491fda4b6ff3ed1e7fe3330a54c7602e53bb84148698b781e891179b.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe |
Modifies system certificate store
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436 | C:\Users\Admin\AppData\Local\Temp\6b6a9dae491fda4b6ff3ed1e7fe3330a54c7602e53bb84148698b781e891179b.exe | N/A |
| Set value (data) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436\Blob = 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 | C:\Users\Admin\AppData\Local\Temp\6b6a9dae491fda4b6ff3ed1e7fe3330a54c7602e53bb84148698b781e891179b.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\6b6a9dae491fda4b6ff3ed1e7fe3330a54c7602e53bb84148698b781e891179b.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\6b6a9dae491fda4b6ff3ed1e7fe3330a54c7602e53bb84148698b781e891179b.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\6b6a9dae491fda4b6ff3ed1e7fe3330a54c7602e53bb84148698b781e891179b.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\6b6a9dae491fda4b6ff3ed1e7fe3330a54c7602e53bb84148698b781e891179b.exe
"C:\Users\Admin\AppData\Local\Temp\6b6a9dae491fda4b6ff3ed1e7fe3330a54c7602e53bb84148698b781e891179b.exe"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holdermail.txt"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holderwb.txt"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | whatismyipaddress.com | udp |
| US | 104.16.154.36:80 | whatismyipaddress.com | tcp |
| US | 104.16.154.36:443 | whatismyipaddress.com | tcp |
| US | 104.16.154.36:443 | whatismyipaddress.com | tcp |
| US | 8.8.8.8:53 | smtp.mail.ru | udp |
| RU | 217.69.139.160:587 | smtp.mail.ru | tcp |
| RU | 217.69.139.160:587 | smtp.mail.ru | tcp |
Files
memory/1628-54-0x0000000075801000-0x0000000075803000-memory.dmp
memory/1628-56-0x0000000000C10000-0x0000000000C11000-memory.dmp
memory/1628-55-0x0000000074C80000-0x000000007522B000-memory.dmp
memory/1628-57-0x0000000000C26000-0x0000000000C27000-memory.dmp
memory/1080-58-0x0000000000400000-0x000000000041B000-memory.dmp
memory/1080-61-0x0000000000400000-0x000000000041B000-memory.dmp
memory/1100-62-0x0000000000400000-0x0000000000458000-memory.dmp
memory/1100-65-0x0000000000400000-0x0000000000458000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\holderwb.txt
| MD5 | f3b25701fe362ec84616a93a45ce9998 |
| SHA1 | d62636d8caec13f04e28442a0a6fa1afeb024bbb |
| SHA256 | b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209 |
| SHA512 | 98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84 |
Analysis: behavioral2
Detonation Overview
Submitted
2022-03-10 03:04
Reported
2022-03-10 03:06
Platform
win10v2004-en-20220113
Max time kernel
133s
Max time network
150s
Command Line
Signatures
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1164 wrote to memory of 1436 | N/A | C:\Users\Admin\AppData\Local\Temp\6b6a9dae491fda4b6ff3ed1e7fe3330a54c7602e53bb84148698b781e891179b.exe | C:\Windows\SysWOW64\fondue.exe |
| PID 1164 wrote to memory of 1436 | N/A | C:\Users\Admin\AppData\Local\Temp\6b6a9dae491fda4b6ff3ed1e7fe3330a54c7602e53bb84148698b781e891179b.exe | C:\Windows\SysWOW64\fondue.exe |
| PID 1164 wrote to memory of 1436 | N/A | C:\Users\Admin\AppData\Local\Temp\6b6a9dae491fda4b6ff3ed1e7fe3330a54c7602e53bb84148698b781e891179b.exe | C:\Windows\SysWOW64\fondue.exe |
| PID 1436 wrote to memory of 1728 | N/A | C:\Windows\SysWOW64\fondue.exe | C:\Windows\system32\FonDUE.EXE |
| PID 1436 wrote to memory of 1728 | N/A | C:\Windows\SysWOW64\fondue.exe | C:\Windows\system32\FonDUE.EXE |
Processes
C:\Users\Admin\AppData\Local\Temp\6b6a9dae491fda4b6ff3ed1e7fe3330a54c7602e53bb84148698b781e891179b.exe
"C:\Users\Admin\AppData\Local\Temp\6b6a9dae491fda4b6ff3ed1e7fe3330a54c7602e53bb84148698b781e891179b.exe"
C:\Windows\SysWOW64\fondue.exe
"C:\Windows\system32\fondue.exe" /enable-feature:NetFx3 /caller-name:mscoreei.dll
C:\Windows\system32\FonDUE.EXE
"C:\Windows\sysnative\FonDUE.EXE" /enable-feature:NetFx3 /caller-name:mscoreei.dll