Analysis Overview
SHA256
1e35254abf2093f39899b09689d0a17d1bf70829dbae10356a2596eceb85c4c4
Threat Level: Known bad
The file O00000000876965439.PDF.exe was found to be: Known bad.
Malicious Activity Summary
HawkEye
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
Uses the VBS compiler for execution
Looks up external IP address via web service
Accesses Microsoft Outlook accounts
Suspicious use of SetThreadContext
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-07-29 05:14
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-07-29 05:14
Reported
2022-07-29 05:17
Platform
win7-20220718-en
Max time kernel
84s
Max time network
87s
Command Line
Signatures
HawkEye
NirSoft MailPassView
| Description | Indicator | Process | Target |
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NirSoft WebBrowserPassView
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
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Nirsoft
| Description | Indicator | Process | Target |
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Uses the VBS compiler for execution
Accesses Microsoft Outlook accounts
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-4084403625-2215941253-1760665084-1000\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 1876 set thread context of 1704 | N/A | C:\Users\Admin\AppData\Local\Temp\O00000000876965439.PDF.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe |
| PID 1704 set thread context of 304 | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe |
| PID 1704 set thread context of 1104 | 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 | 104.16.154.36:80 | whatismyipaddress.com | tcp |
| US | 104.16.155.36:80 | whatismyipaddress.com | tcp |
| US | 8.8.8.8:53 | ftp.trambaohanhelectroluxhn.com | udp |
| VN | 202.92.4.33:21 | ftp.trambaohanhelectroluxhn.com | tcp |
| VN | 202.92.4.33:49820 | ftp.trambaohanhelectroluxhn.com | tcp |
Files
memory/1876-54-0x0000000000140000-0x00000000001F0000-memory.dmp
memory/1876-55-0x0000000004970000-0x0000000004A0E000-memory.dmp
memory/1876-56-0x0000000004CF0000-0x0000000004D82000-memory.dmp
memory/1704-57-0x0000000000400000-0x0000000000488000-memory.dmp
memory/1704-58-0x0000000000400000-0x0000000000488000-memory.dmp
memory/1704-60-0x0000000000400000-0x0000000000488000-memory.dmp
memory/1704-62-0x0000000000400000-0x0000000000488000-memory.dmp
memory/1704-63-0x0000000000400000-0x0000000000488000-memory.dmp
memory/1704-64-0x0000000000480C1E-mapping.dmp
memory/1704-66-0x0000000000400000-0x0000000000488000-memory.dmp
memory/1704-68-0x0000000000400000-0x0000000000488000-memory.dmp
memory/1704-69-0x0000000075DC1000-0x0000000075DC3000-memory.dmp
memory/1704-70-0x0000000002535000-0x0000000002546000-memory.dmp
memory/1704-71-0x0000000002535000-0x0000000002546000-memory.dmp
memory/1704-72-0x0000000000550000-0x0000000000558000-memory.dmp
memory/304-73-0x0000000000400000-0x000000000041B000-memory.dmp
memory/304-74-0x0000000000411654-mapping.dmp
memory/304-77-0x0000000000400000-0x000000000041B000-memory.dmp
memory/304-78-0x0000000000400000-0x000000000041B000-memory.dmp
memory/304-79-0x0000000000400000-0x000000000041B000-memory.dmp
memory/1104-80-0x0000000000400000-0x0000000000458000-memory.dmp
memory/1104-81-0x0000000000442628-mapping.dmp
memory/1104-84-0x0000000000400000-0x0000000000458000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\holderwb.txt
| MD5 | f3b25701fe362ec84616a93a45ce9998 |
| SHA1 | d62636d8caec13f04e28442a0a6fa1afeb024bbb |
| SHA256 | b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209 |
| SHA512 | 98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84 |
memory/1104-86-0x0000000000400000-0x0000000000458000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-07-29 05:14
Reported
2022-07-29 05:17
Platform
win10v2004-20220721-en
Max time kernel
178s
Max time network
188s
Command Line
Signatures
HawkEye
NirSoft MailPassView
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
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NirSoft WebBrowserPassView
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
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Nirsoft
| Description | Indicator | Process | Target |
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Uses the VBS compiler for execution
Accesses Microsoft Outlook accounts
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-1101907861-274115917-2188613224-1000\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 4336 set thread context of 4776 | N/A | C:\Users\Admin\AppData\Local\Temp\O00000000876965439.PDF.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe |
| PID 4776 set thread context of 2732 | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe |
| PID 4776 set thread context of 5052 | 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 | 8.238.21.254:80 | tcp | |
| US | 8.238.21.254:80 | tcp | |
| US | 8.238.21.254:80 | tcp | |
| FR | 2.18.109.224:443 | tcp | |
| NL | 178.79.208.1:80 | tcp | |
| NL | 178.79.208.1:80 | tcp | |
| 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 | ftp.trambaohanhelectroluxhn.com | udp |
| VN | 202.92.4.33:21 | ftp.trambaohanhelectroluxhn.com | tcp |
| VN | 202.92.4.33:57055 | ftp.trambaohanhelectroluxhn.com | tcp |
Files
memory/4336-130-0x0000000000F40000-0x0000000000FF0000-memory.dmp
memory/4336-131-0x0000000005E80000-0x0000000006424000-memory.dmp
memory/4336-132-0x00000000059D0000-0x00000000059F2000-memory.dmp
memory/4776-133-0x0000000000000000-mapping.dmp
memory/4776-134-0x0000000000400000-0x0000000000488000-memory.dmp
memory/4776-135-0x0000000004F40000-0x0000000004FDC000-memory.dmp
memory/4776-136-0x0000000005110000-0x00000000051A2000-memory.dmp
memory/4776-137-0x0000000004F30000-0x0000000004F3A000-memory.dmp
memory/4776-138-0x0000000005070000-0x00000000050C6000-memory.dmp
memory/4776-139-0x00000000081A0000-0x0000000008206000-memory.dmp
memory/2732-140-0x0000000000000000-mapping.dmp
memory/2732-141-0x0000000000400000-0x000000000041B000-memory.dmp
memory/2732-143-0x0000000000400000-0x000000000041B000-memory.dmp
memory/2732-144-0x0000000000400000-0x000000000041B000-memory.dmp
memory/2732-145-0x0000000000400000-0x000000000041B000-memory.dmp
memory/5052-146-0x0000000000000000-mapping.dmp
memory/5052-147-0x0000000000400000-0x0000000000458000-memory.dmp
memory/5052-149-0x0000000000400000-0x0000000000458000-memory.dmp
memory/5052-150-0x0000000000400000-0x0000000000458000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\holderwb.txt
| MD5 | f94dc819ca773f1e3cb27abbc9e7fa27 |
| SHA1 | 9a7700efadc5ea09ab288544ef1e3cd876255086 |
| SHA256 | a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92 |
| SHA512 | 72a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196 |
memory/5052-152-0x0000000000400000-0x0000000000458000-memory.dmp