Analysis Overview
SHA256
6b5994a02ff1f1240ca314dd04a6331b472161d6db540258c8cdb0b40ab6de92
Threat Level: Known bad
The file 6b5994a02ff1f1240ca314dd04a6331b472161d6db540258c8cdb0b40ab6de92 was found to be: Known bad.
Malicious Activity Summary
HawkEye
NirSoft MailPassView
Nirsoft
NirSoft WebBrowserPassView
Uses the VBS compiler for execution
Looks up external IP address via web service
Adds Run key to start application
Accesses Microsoft Outlook accounts
Suspicious use of SetThreadContext
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: GetForegroundWindowSpam
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-03-10 03:05
Signatures
Analysis: behavioral2
Detonation Overview
Submitted
2022-03-10 03:05
Reported
2022-03-10 03:07
Platform
win10v2004-en-20220113
Max time kernel
133s
Max time network
137s
Command Line
Signatures
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2440 wrote to memory of 2964 | N/A | C:\Users\Admin\AppData\Local\Temp\6b5994a02ff1f1240ca314dd04a6331b472161d6db540258c8cdb0b40ab6de92.exe | C:\Windows\SysWOW64\fondue.exe |
| PID 2440 wrote to memory of 2964 | N/A | C:\Users\Admin\AppData\Local\Temp\6b5994a02ff1f1240ca314dd04a6331b472161d6db540258c8cdb0b40ab6de92.exe | C:\Windows\SysWOW64\fondue.exe |
| PID 2440 wrote to memory of 2964 | N/A | C:\Users\Admin\AppData\Local\Temp\6b5994a02ff1f1240ca314dd04a6331b472161d6db540258c8cdb0b40ab6de92.exe | C:\Windows\SysWOW64\fondue.exe |
| PID 2964 wrote to memory of 3252 | N/A | C:\Windows\SysWOW64\fondue.exe | C:\Windows\system32\FonDUE.EXE |
| PID 2964 wrote to memory of 3252 | N/A | C:\Windows\SysWOW64\fondue.exe | C:\Windows\system32\FonDUE.EXE |
Processes
C:\Users\Admin\AppData\Local\Temp\6b5994a02ff1f1240ca314dd04a6331b472161d6db540258c8cdb0b40ab6de92.exe
"C:\Users\Admin\AppData\Local\Temp\6b5994a02ff1f1240ca314dd04a6331b472161d6db540258c8cdb0b40ab6de92.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
Network
| Country | Destination | Domain | Proto |
| US | 209.197.3.8:80 | tcp | |
| US | 209.197.3.8:80 | tcp | |
| US | 209.197.3.8:80 | tcp | |
| US | 52.109.8.21:443 | tcp | |
| NL | 178.79.208.1:80 | tcp | |
| NL | 178.79.208.1:80 | tcp |
Files
Analysis: behavioral1
Detonation Overview
Submitted
2022-03-10 03:05
Reported
2022-03-10 03:07
Platform
win7-20220223-en
Max time kernel
4294191s
Max time network
123s
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-1-5-21-1405931862-909307831-4085185274-1000\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-1-5-21-1405931862-909307831-4085185274-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update = "C:\\Users\\Admin\\AppData\\Roaming\\WindowsUpdate.exe" | C:\Users\Admin\AppData\Local\Temp\6b5994a02ff1f1240ca314dd04a6331b472161d6db540258c8cdb0b40ab6de92.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 1780 set thread context of 1564 | N/A | C:\Users\Admin\AppData\Local\Temp\6b5994a02ff1f1240ca314dd04a6331b472161d6db540258c8cdb0b40ab6de92.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe |
| PID 1780 set thread context of 1832 | N/A | C:\Users\Admin\AppData\Local\Temp\6b5994a02ff1f1240ca314dd04a6331b472161d6db540258c8cdb0b40ab6de92.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\6b5994a02ff1f1240ca314dd04a6331b472161d6db540258c8cdb0b40ab6de92.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\6b5994a02ff1f1240ca314dd04a6331b472161d6db540258c8cdb0b40ab6de92.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\6b5994a02ff1f1240ca314dd04a6331b472161d6db540258c8cdb0b40ab6de92.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\6b5994a02ff1f1240ca314dd04a6331b472161d6db540258c8cdb0b40ab6de92.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\6b5994a02ff1f1240ca314dd04a6331b472161d6db540258c8cdb0b40ab6de92.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\6b5994a02ff1f1240ca314dd04a6331b472161d6db540258c8cdb0b40ab6de92.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\6b5994a02ff1f1240ca314dd04a6331b472161d6db540258c8cdb0b40ab6de92.exe
"C:\Users\Admin\AppData\Local\Temp\6b5994a02ff1f1240ca314dd04a6331b472161d6db540258c8cdb0b40ab6de92.exe"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
dw20.exe -x -s 1720
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.com | udp |
| US | 74.208.5.15:587 | smtp.mail.com | tcp |
| US | 74.208.5.15:587 | smtp.mail.com | tcp |
Files
memory/1780-54-0x0000000076761000-0x0000000076763000-memory.dmp
memory/1780-56-0x0000000000500000-0x0000000000501000-memory.dmp
memory/1780-55-0x0000000074A90000-0x000000007503B000-memory.dmp
memory/1780-57-0x0000000074A90000-0x000000007503B000-memory.dmp
memory/1780-59-0x0000000000516000-0x0000000000517000-memory.dmp
memory/1096-60-0x0000000001E80000-0x0000000001E81000-memory.dmp
memory/1564-61-0x0000000000400000-0x000000000041B000-memory.dmp
memory/1564-64-0x0000000000400000-0x000000000041B000-memory.dmp
memory/1832-65-0x0000000000400000-0x0000000000458000-memory.dmp
memory/1832-68-0x0000000000400000-0x0000000000458000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\holderwb.txt
| MD5 | f3b25701fe362ec84616a93a45ce9998 |
| SHA1 | d62636d8caec13f04e28442a0a6fa1afeb024bbb |
| SHA256 | b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209 |
| SHA512 | 98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84 |