documents.exe
787KB
21-05-2022 15:02
behavioral2
c2a0577aead47c20d54918758c471247
ffc6087cc7e098e74bd5efb3f6971342d5c1f12b
0918c0111b97f8a25e9717e9b74a96c85e9f3801e2922bb050e8024edf9adff0
1024c14e1fe279887e80b2f4d4b4423ef943bf6355f762b3a24cd6964e2350e77a2e0c43c0478a37fe46a8253f5866e4793dfd7225066e716e6165d623b4c84a
Extracted
| Credentials |
Protocol: smtp Host: mail.subnet-group.com Port: 587 Username: edna@subnet-group.com Password: cr0cksh1t |
Extracted
| Family | agenttesla |
| Credentials | Protocol: smtp Host: mail.subnet-group.com Port: 587 Username: edna@subnet-group.com Password: cr0cksh1t Email To: eh746746@gmail.com |
Filter: none
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AgentTesla
Description
Agent Tesla is a remote access tool (RAT) written in visual basic.
Tags
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suricata: ET MALWARE AgentTesla Exfil Via SMTP
Description
suricata: ET MALWARE AgentTesla Exfil Via SMTP
Tags
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Drops file in Drivers directoryRegSvcs.exe
Reported IOCs
description ioc process File opened for modification C:\Windows\system32\drivers\etc\hosts RegSvcs.exe -
Checks computer location settingsdocuments.exe
Description
Looks up country code configured in the registry, likely geofence.
TTPs
Reported IOCs
description ioc process Key value queried \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation documents.exe -
Accesses Microsoft Outlook profilesRegSvcs.exe
Tags
TTPs
Reported IOCs
description ioc process Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
Adds Run key to start applicationRegSvcs.exe
Tags
TTPs
Reported IOCs
description ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Tnpak = "C:\\Users\\Admin\\AppData\\Roaming\\Tnpak\\Tnpak.exe" RegSvcs.exe -
Suspicious use of SetThreadContextdocuments.exe
Reported IOCs
description pid process target process PID 3704 set thread context of 5052 3704 documents.exe RegSvcs.exe -
Enumerates physical storage devices
Description
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
TTPs
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Creates scheduled task(s)schtasks.exe
Description
Schtasks is often used by malware for persistence or to perform post-infection execution.
Tags
TTPs
Reported IOCs
pid process 3568 schtasks.exe -
Suspicious behavior: EnumeratesProcessesdocuments.exepowershell.exeRegSvcs.exe
Reported IOCs
pid process 3704 documents.exe 3704 documents.exe 3204 powershell.exe 5052 RegSvcs.exe 5052 RegSvcs.exe 3204 powershell.exe -
Suspicious use of AdjustPrivilegeTokendocuments.exepowershell.exeRegSvcs.exe
Reported IOCs
description pid process Token: SeDebugPrivilege 3704 documents.exe Token: SeDebugPrivilege 3204 powershell.exe Token: SeDebugPrivilege 5052 RegSvcs.exe -
Suspicious use of WriteProcessMemorydocuments.exe
Reported IOCs
description pid process target process PID 3704 wrote to memory of 3204 3704 documents.exe powershell.exe PID 3704 wrote to memory of 3204 3704 documents.exe powershell.exe PID 3704 wrote to memory of 3204 3704 documents.exe powershell.exe PID 3704 wrote to memory of 3568 3704 documents.exe schtasks.exe PID 3704 wrote to memory of 3568 3704 documents.exe schtasks.exe PID 3704 wrote to memory of 3568 3704 documents.exe schtasks.exe PID 3704 wrote to memory of 5052 3704 documents.exe RegSvcs.exe PID 3704 wrote to memory of 5052 3704 documents.exe RegSvcs.exe PID 3704 wrote to memory of 5052 3704 documents.exe RegSvcs.exe PID 3704 wrote to memory of 5052 3704 documents.exe RegSvcs.exe PID 3704 wrote to memory of 5052 3704 documents.exe RegSvcs.exe PID 3704 wrote to memory of 5052 3704 documents.exe RegSvcs.exe PID 3704 wrote to memory of 5052 3704 documents.exe RegSvcs.exe PID 3704 wrote to memory of 5052 3704 documents.exe RegSvcs.exe -
outlook_office_pathRegSvcs.exe
Reported IOCs
description ioc process Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
outlook_win_pathRegSvcs.exe
Reported IOCs
description ioc process Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
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C:\Users\Admin\AppData\Local\Temp\documents.exePID:3704"C:\Users\Admin\AppData\Local\Temp\documents.exe"Checks computer location settingsSuspicious use of SetThreadContextSuspicious behavior: EnumeratesProcessesSuspicious use of AdjustPrivilegeTokenSuspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exePID:3204"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\BJmpFHZrxap.exe"Suspicious behavior: EnumeratesProcessesSuspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\schtasks.exePID:3568"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BJmpFHZrxap" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDDB.tmp"Creates scheduled task(s)
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exePID:5052"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"Drops file in Drivers directoryAccesses Microsoft Outlook profilesAdds Run key to start applicationSuspicious behavior: EnumeratesProcessesSuspicious use of AdjustPrivilegeTokenoutlook_office_pathoutlook_win_path
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C:\Users\Admin\AppData\Local\Temp\tmpDDB.tmp
MD510c946a0a5d67c18931e274f942f3c29
SHA15791ff96438e2ac58d6f0e6069e645661cf5a9d5
SHA2569ac9786e61058a774d7323ca160dcf91beb04b0a6ff67e6f494a191919a37eda
SHA5129b68c48208de5bb0a66c8e3949ff122995a35d03739dc1257bc508c5c62eb616168c8e54c0139ecb39319a2a22310fa3a8f49670cbe8ab488fa278d62262da21
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memory/3204-146-0x0000000007800000-0x0000000007832000-memory.dmp
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memory/3204-154-0x0000000007BC0000-0x0000000007BCE000-memory.dmp
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memory/3204-152-0x0000000007C10000-0x0000000007CA6000-memory.dmp
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memory/3204-151-0x0000000007A00000-0x0000000007A0A000-memory.dmp
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memory/3204-150-0x0000000007990000-0x00000000079AA000-memory.dmp
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memory/3204-136-0x0000000000000000-mapping.dmp
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memory/3204-149-0x0000000007FD0000-0x000000000864A000-memory.dmp
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memory/3204-138-0x0000000002D90000-0x0000000002DC6000-memory.dmp
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memory/3204-155-0x0000000007CD0000-0x0000000007CEA000-memory.dmp
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memory/3204-141-0x0000000005970000-0x0000000005F98000-memory.dmp
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memory/3204-148-0x0000000006C30000-0x0000000006C4E000-memory.dmp
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memory/3204-147-0x00000000704A0000-0x00000000704EC000-memory.dmp
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memory/3204-143-0x00000000055B0000-0x00000000055D2000-memory.dmp
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memory/3204-144-0x0000000005850000-0x00000000058B6000-memory.dmp
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memory/3204-145-0x0000000006680000-0x000000000669E000-memory.dmp
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memory/3204-156-0x0000000007CB0000-0x0000000007CB8000-memory.dmp
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memory/3568-137-0x0000000000000000-mapping.dmp
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memory/3704-132-0x0000000006F40000-0x0000000006FD2000-memory.dmp
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memory/3704-135-0x0000000009C70000-0x0000000009CD6000-memory.dmp
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memory/3704-134-0x0000000007280000-0x000000000731C000-memory.dmp
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memory/3704-133-0x0000000006FE0000-0x0000000006FEA000-memory.dmp
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memory/3704-131-0x0000000007430000-0x00000000079D4000-memory.dmp
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memory/3704-130-0x0000000000010000-0x00000000000DA000-memory.dmp
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memory/5052-142-0x0000000000400000-0x000000000043A000-memory.dmp
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memory/5052-153-0x0000000006D10000-0x0000000006D60000-memory.dmp
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memory/5052-140-0x0000000000000000-mapping.dmp