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 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
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 05:13
Signatures
Analysis: behavioral2
Detonation Overview
Submitted
2022-07-29 05:13
Reported
2022-07-29 05:16
Platform
win10v2004-20220721-en
Max time kernel
146s
Max time network
148s
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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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-1-5-21-1101907861-274115917-2188613224-1000\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 3460 set thread context of 1344 | N/A | C:\Users\Admin\AppData\Local\Temp\O00000000876965439.PDF.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe |
| PID 1344 set thread context of 2352 | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe |
| PID 1344 set thread context of 820 | 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 | 93.184.221.240:80 | tcp | |
| US | 93.184.221.240:80 | tcp | |
| US | 93.184.221.240:80 | 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 | 209.197.3.8:80 | tcp | |
| US | 8.8.8.8:53 | ftp.trambaohanhelectroluxhn.com | udp |
| VN | 202.92.4.33:21 | ftp.trambaohanhelectroluxhn.com | tcp |
| US | 52.242.97.97:443 | tcp | |
| GB | 51.104.15.253:443 | tcp | |
| US | 8.8.8.8:53 | 164.2.77.40.in-addr.arpa | udp |
| US | 93.184.221.240:80 | tcp | |
| US | 93.184.221.240:80 | tcp | |
| US | 93.184.221.240:80 | tcp | |
| US | 204.79.197.203:80 | tcp | |
| US | 8.8.8.8:53 | 106.89.54.20.in-addr.arpa | udp |
Files
memory/3460-130-0x0000000000880000-0x0000000000930000-memory.dmp
memory/3460-131-0x00000000059C0000-0x0000000005F64000-memory.dmp
memory/3460-132-0x00000000053C0000-0x00000000053E2000-memory.dmp
memory/1344-133-0x0000000000000000-mapping.dmp
memory/1344-134-0x0000000000400000-0x0000000000488000-memory.dmp
memory/1344-135-0x0000000005370000-0x000000000540C000-memory.dmp
memory/1344-136-0x00000000054B0000-0x0000000005542000-memory.dmp
memory/1344-137-0x0000000005420000-0x000000000542A000-memory.dmp
memory/1344-138-0x0000000005550000-0x00000000055A6000-memory.dmp
memory/1344-139-0x00000000085E0000-0x0000000008646000-memory.dmp
memory/2352-140-0x0000000000000000-mapping.dmp
memory/2352-141-0x0000000000400000-0x000000000041B000-memory.dmp
memory/2352-143-0x0000000000400000-0x000000000041B000-memory.dmp
memory/2352-144-0x0000000000400000-0x000000000041B000-memory.dmp
memory/820-145-0x0000000000000000-mapping.dmp
memory/820-146-0x0000000000400000-0x0000000000458000-memory.dmp
memory/820-148-0x0000000000400000-0x0000000000458000-memory.dmp
memory/820-149-0x0000000000400000-0x0000000000458000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\holderwb.txt
| MD5 | f94dc819ca773f1e3cb27abbc9e7fa27 |
| SHA1 | 9a7700efadc5ea09ab288544ef1e3cd876255086 |
| SHA256 | a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92 |
| SHA512 | 72a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196 |
memory/820-151-0x0000000000400000-0x0000000000458000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2022-07-29 05:13
Reported
2022-07-29 05:16
Platform
win7-20220718-en
Max time kernel
135s
Max time network
117s
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 |
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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-1-5-21-3762437355-3468409815-1164039494-1000\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 1816 set thread context of 1492 | N/A | C:\Users\Admin\AppData\Local\Temp\O00000000876965439.PDF.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe |
| PID 1492 set thread context of 1828 | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe |
| PID 1492 set thread context of 2020 | 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 | 104.16.154.36:443 | whatismyipaddress.com | tcp |
| US | 8.8.8.8:53 | ftp.trambaohanhelectroluxhn.com | udp |
| VN | 202.92.4.33:21 | ftp.trambaohanhelectroluxhn.com | tcp |
| VN | 202.92.4.33:51929 | ftp.trambaohanhelectroluxhn.com | tcp |
Files
memory/1816-54-0x0000000000250000-0x0000000000300000-memory.dmp
memory/1816-55-0x0000000001FF0000-0x000000000208E000-memory.dmp
memory/1816-56-0x00000000048E0000-0x0000000004972000-memory.dmp
memory/1492-57-0x0000000000400000-0x0000000000488000-memory.dmp
memory/1492-58-0x0000000000400000-0x0000000000488000-memory.dmp
memory/1492-60-0x0000000000400000-0x0000000000488000-memory.dmp
memory/1492-62-0x0000000000400000-0x0000000000488000-memory.dmp
memory/1492-64-0x0000000000480C1E-mapping.dmp
memory/1492-63-0x0000000000400000-0x0000000000488000-memory.dmp
memory/1492-66-0x0000000000400000-0x0000000000488000-memory.dmp
memory/1492-68-0x0000000000400000-0x0000000000488000-memory.dmp
memory/1492-69-0x0000000076091000-0x0000000076093000-memory.dmp
memory/1492-70-0x00000000008F5000-0x0000000000906000-memory.dmp
memory/1492-71-0x00000000005D0000-0x00000000005D8000-memory.dmp
memory/1828-72-0x0000000000400000-0x000000000041B000-memory.dmp
memory/1828-73-0x0000000000411654-mapping.dmp
memory/1828-76-0x0000000000400000-0x000000000041B000-memory.dmp
memory/1828-77-0x0000000000400000-0x000000000041B000-memory.dmp
memory/1492-78-0x00000000008F5000-0x0000000000906000-memory.dmp
memory/1828-79-0x0000000000400000-0x000000000041B000-memory.dmp
memory/2020-80-0x0000000000400000-0x0000000000458000-memory.dmp
memory/2020-81-0x0000000000442628-mapping.dmp
memory/2020-84-0x0000000000400000-0x0000000000458000-memory.dmp
memory/2020-85-0x0000000000400000-0x0000000000458000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\holderwb.txt
| MD5 | f3b25701fe362ec84616a93a45ce9998 |
| SHA1 | d62636d8caec13f04e28442a0a6fa1afeb024bbb |
| SHA256 | b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209 |
| SHA512 | 98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84 |
memory/2020-87-0x0000000000400000-0x0000000000458000-memory.dmp