Analysis Overview
SHA256
9b1db1e91a89dbca9fd67f2796c1fd46111381a98c661382a25186d0c870bfde
Threat Level: Known bad
The file 11998669374.zip was found to be: Known bad.
Malicious Activity Summary
Nirsoft
HawkEye
Nirsoft
NirSoft MailPassView
NirSoft WebBrowserPassView
Uses the VBS compiler for execution
Accesses Microsoft Outlook accounts
Looks up external IP address via web service
Suspicious use of SetThreadContext
Unsigned PE
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2023-09-27 08:03
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: behavioral2
Detonation Overview
Submitted
2023-09-27 08:03
Reported
2023-09-27 08:05
Platform
win10v2004-20230915-en
Max time kernel
146s
Max time network
151s
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-1-5-21-919254492-3979293997-764407192-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts | C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | whatismyipaddress.com | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 5116 set thread context of 1044 | N/A | C:\Users\Admin\AppData\Local\Temp\6e4fa5f776b899d3d3d0cc1da69ff6165aefafd46f70ddb55399c73ba6f965cd.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe |
| PID 5116 set thread context of 4928 | N/A | C:\Users\Admin\AppData\Local\Temp\6e4fa5f776b899d3d3d0cc1da69ff6165aefafd46f70ddb55399c73ba6f965cd.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\6e4fa5f776b899d3d3d0cc1da69ff6165aefafd46f70ddb55399c73ba6f965cd.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\6e4fa5f776b899d3d3d0cc1da69ff6165aefafd46f70ddb55399c73ba6f965cd.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\6e4fa5f776b899d3d3d0cc1da69ff6165aefafd46f70ddb55399c73ba6f965cd.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\6e4fa5f776b899d3d3d0cc1da69ff6165aefafd46f70ddb55399c73ba6f965cd.exe
"C:\Users\Admin\AppData\Local\Temp\6e4fa5f776b899d3d3d0cc1da69ff6165aefafd46f70ddb55399c73ba6f965cd.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 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 234.112.116.100.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.99.103.100.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 1.142.97.100.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 3.238.107.100.in-addr.arpa | udp |
| US | 8.8.8.8:53 | whatismyipaddress.com | udp |
| N/A | 100.100.43.19:80 | whatismyipaddress.com | tcp |
| US | 8.8.8.8:53 | 52.7.127.100.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 19.43.100.100.in-addr.arpa | udp |
| US | 8.8.8.8:53 | www.deceptiveengineering.com | udp |
| N/A | 100.86.231.99:80 | www.deceptiveengineering.com | tcp |
| US | 8.8.8.8:53 | 99.231.86.100.in-addr.arpa | udp |
| N/A | 100.86.231.99:80 | www.deceptiveengineering.com | tcp |
| US | 8.8.8.8:53 | 51.220.74.100.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 24.176.118.100.in-addr.arpa | udp |
Files
memory/5116-0-0x0000000074A20000-0x0000000074FD1000-memory.dmp
memory/5116-1-0x0000000074A20000-0x0000000074FD1000-memory.dmp
memory/5116-2-0x0000000000C40000-0x0000000000C50000-memory.dmp
memory/5116-3-0x0000000000C40000-0x0000000000C50000-memory.dmp
memory/1044-6-0x0000000000400000-0x000000000041B000-memory.dmp
memory/1044-8-0x0000000000400000-0x000000000041B000-memory.dmp
memory/1044-9-0x0000000000400000-0x000000000041B000-memory.dmp
memory/1044-11-0x0000000000400000-0x000000000041B000-memory.dmp
memory/5116-12-0x0000000074A20000-0x0000000074FD1000-memory.dmp
memory/5116-13-0x0000000074A20000-0x0000000074FD1000-memory.dmp
memory/5116-14-0x0000000000C40000-0x0000000000C50000-memory.dmp
memory/4928-15-0x0000000000400000-0x0000000000458000-memory.dmp
memory/4928-17-0x0000000000400000-0x0000000000458000-memory.dmp
memory/4928-18-0x0000000000400000-0x0000000000458000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\holderwb.txt
| MD5 | f94dc819ca773f1e3cb27abbc9e7fa27 |
| SHA1 | 9a7700efadc5ea09ab288544ef1e3cd876255086 |
| SHA256 | a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92 |
| SHA512 | 72a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196 |
memory/4928-24-0x0000000000460000-0x0000000000529000-memory.dmp
memory/4928-25-0x0000000000400000-0x0000000000458000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2023-09-27 08:03
Reported
2023-09-27 08:05
Platform
win7-20230831-en
Max time kernel
130s
Max time network
120s
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 |
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-1-5-21-3185155662-718608226-894467740-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts | C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | whatismyipaddress.com | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2252 set thread context of 2540 | N/A | C:\Users\Admin\AppData\Local\Temp\6e4fa5f776b899d3d3d0cc1da69ff6165aefafd46f70ddb55399c73ba6f965cd.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe |
| PID 2252 set thread context of 2444 | N/A | C:\Users\Admin\AppData\Local\Temp\6e4fa5f776b899d3d3d0cc1da69ff6165aefafd46f70ddb55399c73ba6f965cd.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\6e4fa5f776b899d3d3d0cc1da69ff6165aefafd46f70ddb55399c73ba6f965cd.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\6e4fa5f776b899d3d3d0cc1da69ff6165aefafd46f70ddb55399c73ba6f965cd.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\6e4fa5f776b899d3d3d0cc1da69ff6165aefafd46f70ddb55399c73ba6f965cd.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\6e4fa5f776b899d3d3d0cc1da69ff6165aefafd46f70ddb55399c73ba6f965cd.exe
"C:\Users\Admin\AppData\Local\Temp\6e4fa5f776b899d3d3d0cc1da69ff6165aefafd46f70ddb55399c73ba6f965cd.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 |
| N/A | 100.119.96.246:80 | whatismyipaddress.com | tcp |
| US | 8.8.8.8:53 | www.deceptiveengineering.com | udp |
| N/A | 100.83.214.108:80 | www.deceptiveengineering.com | tcp |
| N/A | 100.83.214.108:80 | www.deceptiveengineering.com | tcp |
Files
memory/2252-0-0x00000000748D0000-0x0000000074E7B000-memory.dmp
memory/2252-1-0x00000000748D0000-0x0000000074E7B000-memory.dmp
memory/2252-2-0x0000000002050000-0x0000000002090000-memory.dmp
memory/2252-5-0x00000000748D0000-0x0000000074E7B000-memory.dmp
memory/2252-6-0x00000000748D0000-0x0000000074E7B000-memory.dmp
memory/2252-7-0x0000000002050000-0x0000000002090000-memory.dmp
memory/2540-8-0x0000000000400000-0x000000000041B000-memory.dmp
memory/2252-9-0x0000000002050000-0x0000000002090000-memory.dmp
memory/2540-11-0x0000000000400000-0x000000000041B000-memory.dmp
memory/2540-12-0x0000000000400000-0x000000000041B000-memory.dmp
memory/2444-13-0x0000000000400000-0x0000000000458000-memory.dmp
memory/2444-15-0x0000000000400000-0x0000000000458000-memory.dmp
memory/2540-16-0x0000000000400000-0x000000000041B000-memory.dmp
memory/2444-20-0x0000000000400000-0x0000000000458000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\holderwb.txt
| MD5 | f3b25701fe362ec84616a93a45ce9998 |
| SHA1 | d62636d8caec13f04e28442a0a6fa1afeb024bbb |
| SHA256 | b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209 |
| SHA512 | 98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84 |
memory/2444-18-0x0000000000460000-0x00000000004C7000-memory.dmp
memory/2540-23-0x0000000000400000-0x000000000041B000-memory.dmp
memory/2252-24-0x0000000002050000-0x0000000002090000-memory.dmp
memory/2252-25-0x0000000002050000-0x0000000002090000-memory.dmp