Analysis Overview
SHA256
ac0aa1fc56d492e81b4a71a9ab06fe35df42c8dd6fcccafa51591fa185d42927
Threat Level: Known bad
The file 4bea978951b9452de6ebbce207371089 was found to be: Known bad.
Malicious Activity Summary
HawkEye
Nirsoft
NirSoft MailPassView
NirSoft WebBrowserPassView
UPX packed file
Uses the VBS compiler for execution
Looks up external IP address via web service
Accesses Microsoft Outlook accounts
Adds Run key to start application
Suspicious use of SetThreadContext
AutoIT Executable
Unsigned PE
Suspicious use of WriteProcessMemory
Suspicious use of SendNotifyMessage
Suspicious behavior: EnumeratesProcesses
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-01-08 16:29
Signatures
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
AutoIT Executable
| 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 |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-01-08 16:29
Reported
2024-01-08 16:32
Platform
win7-20231215-en
Max time kernel
145s
Max time network
131s
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 |
| 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 |
| 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 |
UPX packed file
| Description | Indicator | Process | Target |
| 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-1-5-21-3427588347-1492276948-3422228430-1000\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-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update = "C:\\Users\\Admin\\AppData\\Roaming\\WindowsUpdate.exe" | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.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 |
AutoIT Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2652 set thread context of 2760 | N/A | C:\Users\Admin\AppData\Local\Temp\4bea978951b9452de6ebbce207371089.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe |
| PID 2760 set thread context of 2588 | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe |
| PID 2760 set thread context of 2056 | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.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\RegSvcs.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4bea978951b9452de6ebbce207371089.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4bea978951b9452de6ebbce207371089.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4bea978951b9452de6ebbce207371089.exe | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4bea978951b9452de6ebbce207371089.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4bea978951b9452de6ebbce207371089.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4bea978951b9452de6ebbce207371089.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\4bea978951b9452de6ebbce207371089.exe
"C:\Users\Admin\AppData\Local\Temp\4bea978951b9452de6ebbce207371089.exe"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.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.yandex.com | udp |
| RU | 77.88.21.158:587 | smtp.yandex.com | tcp |
Files
memory/2652-0-0x0000000000CF0000-0x0000000000E9F000-memory.dmp
memory/2652-1-0x0000000000120000-0x0000000000121000-memory.dmp
memory/2760-2-0x0000000000400000-0x0000000000488000-memory.dmp
memory/2760-3-0x0000000000400000-0x0000000000488000-memory.dmp
memory/2760-7-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2760-9-0x0000000000400000-0x0000000000488000-memory.dmp
memory/2760-10-0x0000000000400000-0x0000000000488000-memory.dmp
memory/2652-11-0x0000000000CF0000-0x0000000000E9F000-memory.dmp
memory/2760-12-0x00000000740B0000-0x000000007465B000-memory.dmp
memory/2760-13-0x00000000740B0000-0x000000007465B000-memory.dmp
memory/2760-14-0x00000000003C0000-0x0000000000400000-memory.dmp
memory/2760-15-0x00000000003C0000-0x0000000000400000-memory.dmp
memory/2588-20-0x0000000000400000-0x000000000041B000-memory.dmp
memory/2760-23-0x00000000003C0000-0x0000000000400000-memory.dmp
memory/2588-22-0x0000000000400000-0x000000000041B000-memory.dmp
memory/2588-24-0x0000000000400000-0x000000000041B000-memory.dmp
memory/2588-26-0x0000000000400000-0x000000000041B000-memory.dmp
memory/2760-27-0x00000000740B0000-0x000000007465B000-memory.dmp
memory/2056-28-0x0000000000400000-0x0000000000458000-memory.dmp
memory/2056-30-0x0000000000400000-0x0000000000458000-memory.dmp
memory/2056-32-0x0000000000400000-0x0000000000458000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\holderwb.txt
| MD5 | f3b25701fe362ec84616a93a45ce9998 |
| SHA1 | d62636d8caec13f04e28442a0a6fa1afeb024bbb |
| SHA256 | b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209 |
| SHA512 | 98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84 |
memory/2760-33-0x00000000740B0000-0x000000007465B000-memory.dmp
memory/2760-35-0x00000000003C0000-0x0000000000400000-memory.dmp
memory/2760-36-0x00000000003C0000-0x0000000000400000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-01-08 16:29
Reported
2024-01-08 16:33
Platform
win10v2004-20231215-en
Max time kernel
162s
Max time network
172s
Command Line
Signatures
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 |
Nirsoft
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
UPX packed file
| 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 |
AutoIT Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3244 set thread context of 1352 | N/A | C:\Users\Admin\AppData\Local\Temp\4bea978951b9452de6ebbce207371089.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4bea978951b9452de6ebbce207371089.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4bea978951b9452de6ebbce207371089.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4bea978951b9452de6ebbce207371089.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4bea978951b9452de6ebbce207371089.exe | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4bea978951b9452de6ebbce207371089.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4bea978951b9452de6ebbce207371089.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4bea978951b9452de6ebbce207371089.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4bea978951b9452de6ebbce207371089.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3244 wrote to memory of 1352 | N/A | C:\Users\Admin\AppData\Local\Temp\4bea978951b9452de6ebbce207371089.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe |
| PID 3244 wrote to memory of 1352 | N/A | C:\Users\Admin\AppData\Local\Temp\4bea978951b9452de6ebbce207371089.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe |
| PID 3244 wrote to memory of 1352 | N/A | C:\Users\Admin\AppData\Local\Temp\4bea978951b9452de6ebbce207371089.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe |
| PID 3244 wrote to memory of 1352 | N/A | C:\Users\Admin\AppData\Local\Temp\4bea978951b9452de6ebbce207371089.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe |
| PID 3244 wrote to memory of 1352 | N/A | C:\Users\Admin\AppData\Local\Temp\4bea978951b9452de6ebbce207371089.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\4bea978951b9452de6ebbce207371089.exe
"C:\Users\Admin\AppData\Local\Temp\4bea978951b9452de6ebbce207371089.exe"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 21.53.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 208.194.73.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 202.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 199.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 6.181.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 59.128.231.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 204.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 211.143.182.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 146.78.124.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
Files
memory/3244-0-0x0000000000EF0000-0x000000000109F000-memory.dmp
memory/3244-1-0x0000000000EF0000-0x000000000109F000-memory.dmp
memory/3244-4-0x0000000000EF0000-0x000000000109F000-memory.dmp
memory/3244-5-0x0000000021810000-0x0000000021811000-memory.dmp
memory/1352-6-0x0000000000400000-0x0000000000488000-memory.dmp
memory/3244-11-0x0000000000EF0000-0x000000000109F000-memory.dmp
memory/1352-13-0x0000000075390000-0x0000000075941000-memory.dmp
memory/1352-14-0x0000000000BB0000-0x0000000000BC0000-memory.dmp
memory/1352-15-0x0000000075390000-0x0000000075941000-memory.dmp
memory/1352-16-0x0000000075390000-0x0000000075941000-memory.dmp
memory/1352-17-0x0000000000BB0000-0x0000000000BC0000-memory.dmp
memory/1352-18-0x0000000075390000-0x0000000075941000-memory.dmp