Analysis Overview
SHA256
1e35254abf2093f39899b09689d0a17d1bf70829dbae10356a2596eceb85c4c4
Threat Level: Known bad
The file O00000000876965439.PDF.exe was found to be: Known bad.
Malicious Activity Summary
HawkEye
Nirsoft
NirSoft WebBrowserPassView
NirSoft MailPassView
Uses the VBS compiler for execution
Accesses Microsoft Outlook accounts
Looks up external IP address via web service
Suspicious use of SetThreadContext
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-07-29 05:14
Signatures
Analysis: behavioral2
Detonation Overview
Submitted
2022-07-29 05:14
Reported
2022-07-29 05:16
Platform
win10v2004-20220721-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 |
| 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 |
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| 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 |
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Uses the VBS compiler for execution
Accesses Microsoft Outlook accounts
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000\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 |
| N/A | whatismyipaddress.com | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4752 set thread context of 4456 | N/A | C:\Users\Admin\AppData\Local\Temp\O00000000876965439.PDF.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe |
| PID 4456 set thread context of 2684 | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe |
| PID 4456 set thread context of 2032 | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.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\O00000000876965439.PDF.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\O00000000876965439.PDF.exe | N/A |
| 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:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\O00000000876965439.PDF.exe
"C:\Users\Admin\AppData\Local\Temp\O00000000876965439.PDF.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.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 | 8.8.8.8:53 | ftp.trambaohanhelectroluxhn.com | udp |
| VN | 202.92.4.33:21 | ftp.trambaohanhelectroluxhn.com | tcp |
| VN | 202.92.4.33:50173 | ftp.trambaohanhelectroluxhn.com | tcp |
| US | 104.208.16.88:443 | tcp | |
| US | 209.197.3.8:80 | tcp | |
| US | 209.197.3.8:80 | tcp |
Files
memory/4752-130-0x0000000000410000-0x00000000004C0000-memory.dmp
memory/4752-131-0x00000000054D0000-0x0000000005A74000-memory.dmp
memory/4752-132-0x0000000004FE0000-0x0000000005002000-memory.dmp
memory/4456-133-0x0000000000000000-mapping.dmp
memory/4456-134-0x0000000000400000-0x0000000000488000-memory.dmp
memory/4456-135-0x0000000004DE0000-0x0000000004E7C000-memory.dmp
memory/4456-136-0x0000000004F40000-0x0000000004FD2000-memory.dmp
memory/4456-137-0x0000000004DD0000-0x0000000004DDA000-memory.dmp
memory/4456-138-0x0000000004FE0000-0x0000000005036000-memory.dmp
memory/4456-139-0x0000000008040000-0x00000000080A6000-memory.dmp
memory/2684-140-0x0000000000000000-mapping.dmp
memory/2684-141-0x0000000000400000-0x000000000041B000-memory.dmp
memory/2684-143-0x0000000000400000-0x000000000041B000-memory.dmp
memory/2684-144-0x0000000000400000-0x000000000041B000-memory.dmp
memory/2032-145-0x0000000000000000-mapping.dmp
memory/2032-146-0x0000000000400000-0x0000000000458000-memory.dmp
memory/2032-148-0x0000000000400000-0x0000000000458000-memory.dmp
memory/2032-149-0x0000000000400000-0x0000000000458000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\holderwb.txt
| MD5 | f94dc819ca773f1e3cb27abbc9e7fa27 |
| SHA1 | 9a7700efadc5ea09ab288544ef1e3cd876255086 |
| SHA256 | a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92 |
| SHA512 | 72a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196 |
memory/2032-151-0x0000000000400000-0x0000000000458000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2022-07-29 05:14
Reported
2022-07-29 05:16
Platform
win7-20220715-en
Max time kernel
60s
Max time network
135s
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 |
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| 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 |
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| 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 |
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Uses the VBS compiler for execution
Accesses Microsoft Outlook accounts
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\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 |
| N/A | whatismyipaddress.com | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1096 set thread context of 1288 | N/A | C:\Users\Admin\AppData\Local\Temp\O00000000876965439.PDF.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe |
| PID 1288 set thread context of 656 | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe |
| PID 1288 set thread context of 1900 | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.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\O00000000876965439.PDF.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\O00000000876965439.PDF.exe
"C:\Users\Admin\AppData\Local\Temp\O00000000876965439.PDF.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.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 | 8.8.8.8:53 | ftp.trambaohanhelectroluxhn.com | udp |
| VN | 202.92.4.33:21 | ftp.trambaohanhelectroluxhn.com | tcp |
| VN | 202.92.4.33:58161 | ftp.trambaohanhelectroluxhn.com | tcp |
Files
memory/1096-54-0x0000000001370000-0x0000000001420000-memory.dmp
memory/1096-55-0x0000000004990000-0x0000000004A2E000-memory.dmp
memory/1096-56-0x0000000000600000-0x0000000000692000-memory.dmp
memory/1288-57-0x0000000000400000-0x0000000000488000-memory.dmp
memory/1288-58-0x0000000000400000-0x0000000000488000-memory.dmp
memory/1288-60-0x0000000000400000-0x0000000000488000-memory.dmp
memory/1288-62-0x0000000000400000-0x0000000000488000-memory.dmp
memory/1288-63-0x0000000000400000-0x0000000000488000-memory.dmp
memory/1288-64-0x0000000000480C1E-mapping.dmp
memory/1288-66-0x0000000000400000-0x0000000000488000-memory.dmp
memory/1288-68-0x0000000000400000-0x0000000000488000-memory.dmp
memory/1288-69-0x0000000074F61000-0x0000000074F63000-memory.dmp
memory/1288-70-0x0000000000945000-0x0000000000956000-memory.dmp
memory/1288-71-0x0000000000920000-0x0000000000928000-memory.dmp
memory/656-73-0x0000000000411654-mapping.dmp
memory/656-72-0x0000000000400000-0x000000000041B000-memory.dmp
memory/656-76-0x0000000000400000-0x000000000041B000-memory.dmp
memory/656-77-0x0000000000400000-0x000000000041B000-memory.dmp
memory/1288-78-0x0000000000945000-0x0000000000956000-memory.dmp
memory/656-79-0x0000000000400000-0x000000000041B000-memory.dmp
memory/1900-80-0x0000000000400000-0x0000000000458000-memory.dmp
memory/1900-81-0x0000000000442628-mapping.dmp
memory/1900-84-0x0000000000400000-0x0000000000458000-memory.dmp
memory/1900-85-0x0000000000400000-0x0000000000458000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\holderwb.txt
| MD5 | f3b25701fe362ec84616a93a45ce9998 |
| SHA1 | d62636d8caec13f04e28442a0a6fa1afeb024bbb |
| SHA256 | b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209 |
| SHA512 | 98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84 |
memory/1900-87-0x0000000000400000-0x0000000000458000-memory.dmp