Analysis Overview
SHA256
6be42b803f6df9a6520608ac4b4c91437ccf640c42c37650e83f864ceb48950b
Threat Level: Known bad
The file 6be42b803f6df9a6520608ac4b4c91437ccf640c42c37650e83f864ceb48950b was found to be: Known bad.
Malicious Activity Summary
Nirsoft
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 SetWindowsHookEx
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-03-10 02:55
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 02:55
Reported
2022-03-10 02:58
Platform
win7-20220223-en
Max time kernel
4294208s
Max time network
121s
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\6be42b803f6df9a6520608ac4b4c91437ccf640c42c37650e83f864ceb48950b.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 964 set thread context of 444 | N/A | C:\Users\Admin\AppData\Local\Temp\6be42b803f6df9a6520608ac4b4c91437ccf640c42c37650e83f864ceb48950b.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe |
| PID 964 set thread context of 1604 | N/A | C:\Users\Admin\AppData\Local\Temp\6be42b803f6df9a6520608ac4b4c91437ccf640c42c37650e83f864ceb48950b.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\6be42b803f6df9a6520608ac4b4c91437ccf640c42c37650e83f864ceb48950b.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\6be42b803f6df9a6520608ac4b4c91437ccf640c42c37650e83f864ceb48950b.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\6be42b803f6df9a6520608ac4b4c91437ccf640c42c37650e83f864ceb48950b.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\6be42b803f6df9a6520608ac4b4c91437ccf640c42c37650e83f864ceb48950b.exe
"C:\Users\Admin\AppData\Local\Temp\6be42b803f6df9a6520608ac4b4c91437ccf640c42c37650e83f864ceb48950b.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"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
dw20.exe -x -s 448
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.live.com | udp |
| US | 204.79.197.212:587 | smtp.live.com | tcp |
Files
memory/964-54-0x0000000075131000-0x0000000075133000-memory.dmp
memory/964-55-0x00000000746C0000-0x0000000074C6B000-memory.dmp
memory/964-56-0x0000000002150000-0x0000000002151000-memory.dmp
memory/444-57-0x0000000000400000-0x000000000041B000-memory.dmp
memory/964-61-0x0000000002155000-0x0000000002166000-memory.dmp
memory/444-60-0x0000000000400000-0x000000000041B000-memory.dmp
memory/1604-62-0x0000000000400000-0x0000000000458000-memory.dmp
memory/1604-65-0x0000000000400000-0x0000000000458000-memory.dmp
memory/964-66-0x0000000002166000-0x0000000002167000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\holderwb.txt
| MD5 | f3b25701fe362ec84616a93a45ce9998 |
| SHA1 | d62636d8caec13f04e28442a0a6fa1afeb024bbb |
| SHA256 | b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209 |
| SHA512 | 98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84 |
memory/828-69-0x00000000005C0000-0x00000000005C1000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-03-10 02:55
Reported
2022-03-10 02:58
Platform
win10v2004-en-20220113
Max time kernel
121s
Max time network
146s
Command Line
Signatures
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3356 wrote to memory of 4064 | N/A | C:\Users\Admin\AppData\Local\Temp\6be42b803f6df9a6520608ac4b4c91437ccf640c42c37650e83f864ceb48950b.exe | C:\Windows\SysWOW64\fondue.exe |
| PID 3356 wrote to memory of 4064 | N/A | C:\Users\Admin\AppData\Local\Temp\6be42b803f6df9a6520608ac4b4c91437ccf640c42c37650e83f864ceb48950b.exe | C:\Windows\SysWOW64\fondue.exe |
| PID 3356 wrote to memory of 4064 | N/A | C:\Users\Admin\AppData\Local\Temp\6be42b803f6df9a6520608ac4b4c91437ccf640c42c37650e83f864ceb48950b.exe | C:\Windows\SysWOW64\fondue.exe |
| PID 4064 wrote to memory of 2696 | N/A | C:\Windows\SysWOW64\fondue.exe | C:\Windows\system32\FonDUE.EXE |
| PID 4064 wrote to memory of 2696 | N/A | C:\Windows\SysWOW64\fondue.exe | C:\Windows\system32\FonDUE.EXE |
Processes
C:\Users\Admin\AppData\Local\Temp\6be42b803f6df9a6520608ac4b4c91437ccf640c42c37650e83f864ceb48950b.exe
"C:\Users\Admin\AppData\Local\Temp\6be42b803f6df9a6520608ac4b4c91437ccf640c42c37650e83f864ceb48950b.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