Analysis Overview
SHA256
f6ad655c296fae949e0b5bf9c659f52aa6fd01b39eb7c6306ff15c921f43978b
Threat Level: Known bad
The file f6ad655c296fae949e0b5bf9c659f52aa6fd01b39eb7c6306ff15c921f43978b was found to be: Known bad.
Malicious Activity Summary
HawkEye
Nirsoft
NirSoft MailPassView
Nirsoft
NirSoft WebBrowserPassView
Uses the VBS compiler for execution
Reads user/profile data of web browsers
Accesses Microsoft Outlook accounts
Adds Run key to start application
Looks up external IP address via web service
Suspicious use of SetThreadContext
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-10-01 22:00
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
2022-10-01 22:00
Reported
2022-10-01 23:54
Platform
win7-20220901-en
Max time kernel
131s
Max time network
116s
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 |
| N/A | N/A | N/A | N/A |
| 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 |
| N/A | N/A | N/A | N/A |
| 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 |
| 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 |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Reads user/profile data of web browsers
Uses the VBS compiler for execution
Accesses Microsoft Outlook accounts
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\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-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update = "C:\\Users\\Admin\\AppData\\Roaming\\WindowsUpdate.exe" | C:\Users\Admin\AppData\Local\Temp\f6ad655c296fae949e0b5bf9c659f52aa6fd01b39eb7c6306ff15c921f43978b.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 1288 set thread context of 1864 | N/A | C:\Users\Admin\AppData\Local\Temp\f6ad655c296fae949e0b5bf9c659f52aa6fd01b39eb7c6306ff15c921f43978b.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe |
| PID 1288 set thread context of 1444 | N/A | C:\Users\Admin\AppData\Local\Temp\f6ad655c296fae949e0b5bf9c659f52aa6fd01b39eb7c6306ff15c921f43978b.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\f6ad655c296fae949e0b5bf9c659f52aa6fd01b39eb7c6306ff15c921f43978b.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\f6ad655c296fae949e0b5bf9c659f52aa6fd01b39eb7c6306ff15c921f43978b.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\f6ad655c296fae949e0b5bf9c659f52aa6fd01b39eb7c6306ff15c921f43978b.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\f6ad655c296fae949e0b5bf9c659f52aa6fd01b39eb7c6306ff15c921f43978b.exe
"C:\Users\Admin\AppData\Local\Temp\f6ad655c296fae949e0b5bf9c659f52aa6fd01b39eb7c6306ff15c921f43978b.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\holdermail.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.bengroupco.in | udp |
Files
memory/1288-54-0x0000000075FE1000-0x0000000075FE3000-memory.dmp
memory/1288-55-0x00000000745E0000-0x0000000074B8B000-memory.dmp
memory/1864-56-0x0000000000400000-0x000000000041B000-memory.dmp
memory/1864-57-0x0000000000411654-mapping.dmp
memory/1864-60-0x0000000000400000-0x000000000041B000-memory.dmp
memory/1864-61-0x0000000000400000-0x000000000041B000-memory.dmp
memory/1288-62-0x00000000745E0000-0x0000000074B8B000-memory.dmp
memory/1864-63-0x0000000000400000-0x000000000041B000-memory.dmp
memory/1444-64-0x0000000000400000-0x0000000000458000-memory.dmp
memory/1444-65-0x0000000000442628-mapping.dmp
memory/1444-68-0x0000000000400000-0x0000000000458000-memory.dmp
memory/1444-69-0x0000000000400000-0x0000000000458000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\holdermail.txt
| MD5 | f3b25701fe362ec84616a93a45ce9998 |
| SHA1 | d62636d8caec13f04e28442a0a6fa1afeb024bbb |
| SHA256 | b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209 |
| SHA512 | 98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84 |
memory/1444-71-0x0000000000400000-0x0000000000458000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-10-01 22:00
Reported
2022-10-01 23:54
Platform
win10v2004-20220901-en
Max time kernel
145s
Max time network
144s
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 |
| 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 |
| N/A | N/A | N/A | N/A |
| 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 |
| 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 |
| N/A | N/A | N/A | N/A |
Reads user/profile data of web browsers
Uses the VBS compiler for execution
Accesses Microsoft Outlook accounts
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\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-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Update = "C:\\Users\\Admin\\AppData\\Roaming\\WindowsUpdate.exe" | C:\Users\Admin\AppData\Local\Temp\f6ad655c296fae949e0b5bf9c659f52aa6fd01b39eb7c6306ff15c921f43978b.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 |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2332 set thread context of 756 | N/A | C:\Users\Admin\AppData\Local\Temp\f6ad655c296fae949e0b5bf9c659f52aa6fd01b39eb7c6306ff15c921f43978b.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe |
| PID 2332 set thread context of 3868 | N/A | C:\Users\Admin\AppData\Local\Temp\f6ad655c296fae949e0b5bf9c659f52aa6fd01b39eb7c6306ff15c921f43978b.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\f6ad655c296fae949e0b5bf9c659f52aa6fd01b39eb7c6306ff15c921f43978b.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\f6ad655c296fae949e0b5bf9c659f52aa6fd01b39eb7c6306ff15c921f43978b.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\f6ad655c296fae949e0b5bf9c659f52aa6fd01b39eb7c6306ff15c921f43978b.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\f6ad655c296fae949e0b5bf9c659f52aa6fd01b39eb7c6306ff15c921f43978b.exe
"C:\Users\Admin\AppData\Local\Temp\f6ad655c296fae949e0b5bf9c659f52aa6fd01b39eb7c6306ff15c921f43978b.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\holdermail.txt"
Network
| Country | Destination | Domain | Proto |
| US | 93.184.220.29:80 | tcp | |
| US | 8.8.8.8:53 | whatismyipaddress.com | udp |
| US | 104.16.155.36:80 | whatismyipaddress.com | tcp |
| US | 104.16.155.36:443 | whatismyipaddress.com | tcp |
| US | 8.8.8.8:53 | smtp.bengroupco.in | udp |
| IE | 52.109.77.0:443 | tcp | |
| US | 20.189.173.15:443 | tcp | |
| US | 8.8.8.8:53 | smtp.bengroupco.in | udp |
| FR | 2.18.109.224:443 | tcp |
Files
memory/2332-132-0x00000000753C0000-0x0000000075971000-memory.dmp
memory/756-133-0x0000000000000000-mapping.dmp
memory/756-134-0x0000000000400000-0x000000000041B000-memory.dmp
memory/756-136-0x0000000000400000-0x000000000041B000-memory.dmp
memory/756-137-0x0000000000400000-0x000000000041B000-memory.dmp
memory/2332-138-0x00000000753C0000-0x0000000075971000-memory.dmp
memory/3868-139-0x0000000000000000-mapping.dmp
memory/3868-140-0x0000000000400000-0x0000000000458000-memory.dmp
memory/3868-142-0x0000000000400000-0x0000000000458000-memory.dmp
memory/3868-143-0x0000000000400000-0x0000000000458000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\holdermail.txt
| MD5 | f94dc819ca773f1e3cb27abbc9e7fa27 |
| SHA1 | 9a7700efadc5ea09ab288544ef1e3cd876255086 |
| SHA256 | a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92 |
| SHA512 | 72a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196 |
memory/3868-145-0x0000000000400000-0x0000000000458000-memory.dmp