Analysis Overview
SHA256
c9a312abbd66dde9695cdbc60963b2dd16289538289ba9af0a8d9e2e9c809f71
Threat Level: Known bad
The file 18f79ddfd56e5beb86dfdd7cf7dfa8a72be614c2a434cd8327a7a487272b1a6d.exe.zip was found to be: Known bad.
Malicious Activity Summary
HawkEye
Nirsoft
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
Uses the VBS compiler for execution
Accesses Microsoft Outlook accounts
Looks up external IP address via web service
Adds Run key to start application
Suspicious use of SetThreadContext
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2023-12-01 15:18
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 |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-12-01 15:18
Reported
2023-12-01 17:13
Platform
win7-20231020-en
Max time kernel
180s
Max time network
163s
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 |
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 |
Uses the VBS compiler for execution
Accesses Microsoft Outlook accounts
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-2084844033-2744876406-2053742436-1000\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-1-5-21-2084844033-2744876406-2053742436-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update = "C:\\Users\\Admin\\AppData\\Roaming\\WindowsUpdate.exe" | C:\Users\Admin\AppData\Local\Temp\18f79ddfd56e5beb86dfdd7cf7dfa8a72be614c2a434cd8327a7a487272b1a6d.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 2824 set thread context of 3024 | N/A | C:\Users\Admin\AppData\Local\Temp\18f79ddfd56e5beb86dfdd7cf7dfa8a72be614c2a434cd8327a7a487272b1a6d.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe |
| PID 2824 set thread context of 2792 | N/A | C:\Users\Admin\AppData\Local\Temp\18f79ddfd56e5beb86dfdd7cf7dfa8a72be614c2a434cd8327a7a487272b1a6d.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\18f79ddfd56e5beb86dfdd7cf7dfa8a72be614c2a434cd8327a7a487272b1a6d.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\18f79ddfd56e5beb86dfdd7cf7dfa8a72be614c2a434cd8327a7a487272b1a6d.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\18f79ddfd56e5beb86dfdd7cf7dfa8a72be614c2a434cd8327a7a487272b1a6d.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\18f79ddfd56e5beb86dfdd7cf7dfa8a72be614c2a434cd8327a7a487272b1a6d.exe
"C:\Users\Admin\AppData\Local\Temp\18f79ddfd56e5beb86dfdd7cf7dfa8a72be614c2a434cd8327a7a487272b1a6d.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 | 104.16.155.36:80 | whatismyipaddress.com | tcp |
| US | 104.16.155.36:443 | whatismyipaddress.com | tcp |
| US | 104.16.155.36:443 | whatismyipaddress.com | tcp |
| US | 8.8.8.8:53 | mail.westphaleninc.com | udp |
Files
memory/2824-0-0x0000000074370000-0x000000007491B000-memory.dmp
memory/2824-1-0x0000000074370000-0x000000007491B000-memory.dmp
memory/2824-2-0x0000000000120000-0x0000000000160000-memory.dmp
memory/2824-7-0x0000000000120000-0x0000000000160000-memory.dmp
memory/3024-8-0x0000000000400000-0x000000000041B000-memory.dmp
memory/3024-10-0x0000000000400000-0x000000000041B000-memory.dmp
memory/3024-11-0x0000000000400000-0x000000000041B000-memory.dmp
memory/2824-12-0x0000000074370000-0x000000007491B000-memory.dmp
memory/3024-14-0x0000000000400000-0x000000000041B000-memory.dmp
memory/2824-15-0x0000000074370000-0x000000007491B000-memory.dmp
memory/2792-16-0x0000000000400000-0x0000000000458000-memory.dmp
memory/2792-18-0x0000000000400000-0x0000000000458000-memory.dmp
memory/2792-20-0x0000000000400000-0x0000000000458000-memory.dmp
memory/2824-19-0x0000000000120000-0x0000000000160000-memory.dmp
memory/2792-23-0x0000000000400000-0x0000000000458000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\holderwb.txt
| MD5 | f3b25701fe362ec84616a93a45ce9998 |
| SHA1 | d62636d8caec13f04e28442a0a6fa1afeb024bbb |
| SHA256 | b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209 |
| SHA512 | 98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84 |
memory/2824-24-0x0000000000120000-0x0000000000160000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-12-01 15:18
Reported
2023-12-01 17:10
Platform
win10v2004-20231127-en
Max time kernel
142s
Max time network
153s
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 |
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 |
Uses the VBS compiler for execution
Accesses Microsoft Outlook accounts
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-2037190880-819243489-950462038-1000\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-1-5-21-2037190880-819243489-950462038-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Update = "C:\\Users\\Admin\\AppData\\Roaming\\WindowsUpdate.exe" | C:\Users\Admin\AppData\Local\Temp\18f79ddfd56e5beb86dfdd7cf7dfa8a72be614c2a434cd8327a7a487272b1a6d.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 2468 set thread context of 3272 | N/A | C:\Users\Admin\AppData\Local\Temp\18f79ddfd56e5beb86dfdd7cf7dfa8a72be614c2a434cd8327a7a487272b1a6d.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe |
| PID 2468 set thread context of 3144 | N/A | C:\Users\Admin\AppData\Local\Temp\18f79ddfd56e5beb86dfdd7cf7dfa8a72be614c2a434cd8327a7a487272b1a6d.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\18f79ddfd56e5beb86dfdd7cf7dfa8a72be614c2a434cd8327a7a487272b1a6d.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\18f79ddfd56e5beb86dfdd7cf7dfa8a72be614c2a434cd8327a7a487272b1a6d.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\18f79ddfd56e5beb86dfdd7cf7dfa8a72be614c2a434cd8327a7a487272b1a6d.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\18f79ddfd56e5beb86dfdd7cf7dfa8a72be614c2a434cd8327a7a487272b1a6d.exe
"C:\Users\Admin\AppData\Local\Temp\18f79ddfd56e5beb86dfdd7cf7dfa8a72be614c2a434cd8327a7a487272b1a6d.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 | 20.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| 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 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.1.85.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 36.155.16.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | mail.westphaleninc.com | udp |
| US | 8.8.8.8:53 | 58.252.72.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | mail.westphaleninc.com | udp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 170.117.168.52.in-addr.arpa | udp |
Files
memory/2468-0-0x0000000074CD0000-0x0000000075281000-memory.dmp
memory/2468-1-0x0000000074CD0000-0x0000000075281000-memory.dmp
memory/2468-2-0x0000000001A10000-0x0000000001A20000-memory.dmp
memory/2468-3-0x0000000001A10000-0x0000000001A20000-memory.dmp
memory/2468-6-0x0000000074CD0000-0x0000000075281000-memory.dmp
memory/3272-9-0x0000000000400000-0x000000000041B000-memory.dmp
memory/3272-11-0x0000000000400000-0x000000000041B000-memory.dmp
memory/3272-12-0x0000000000400000-0x000000000041B000-memory.dmp
memory/3272-13-0x0000000000420000-0x00000000004E9000-memory.dmp
memory/3272-14-0x0000000000400000-0x000000000041B000-memory.dmp
memory/2468-15-0x0000000001A10000-0x0000000001A20000-memory.dmp
memory/3144-16-0x0000000000400000-0x0000000000458000-memory.dmp
memory/3144-18-0x0000000000400000-0x0000000000458000-memory.dmp
memory/3144-19-0x0000000000400000-0x0000000000458000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\holderwb.txt
| MD5 | f94dc819ca773f1e3cb27abbc9e7fa27 |
| SHA1 | 9a7700efadc5ea09ab288544ef1e3cd876255086 |
| SHA256 | a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92 |
| SHA512 | 72a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196 |
memory/3144-26-0x0000000000400000-0x0000000000458000-memory.dmp