Analysis
- max time kernel
108s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20220414-en - submitted
17/05/2022, 13:22
General
- Target Product specification manual Mp4.exe
- Size 743KB
- Sample220517-ql79fsfadk
- SHA256 7d6d2955cb741cef4fc04a58dcade355450ebcc27003afcd93f17a9df1ea810d
Malware Config
Extracted
-
Protocol
smtp
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Host
mail.scorpius.com.sg
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Port
587
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Username
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Password
gp@ssw0rd
Extracted
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agenttesla
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Protocol
smtp
-
Host
mail.scorpius.com.sg
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Port
587
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Username
-
Password
gp@ssw0rd
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- UAC bypass 3 TTPs
- Windows security bypass 2 TTPs
- suricata: ET MALWARE AgentTesla Exfil Via SMTP
suricata: ET MALWARE AgentTesla Exfil Via SMTP
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Windows security modification 2 TTPs 6 IoCs
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Adds Run key to start application 2 TTPs 3 IoCs
- Checks whether UAC is enabled 1 TTPs 2 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Drops file in Program Files directory 2 IoCs
- Drops file in Windows directory 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious behavior: EnumeratesProcesses 33 IoCs
- Suspicious use of AdjustPrivilegeToken 8 IoCs
- Suspicious use of WriteProcessMemory 32 IoCs
- System policy modification 1 TTPs 1 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\Product specification manual Mp4.exe"C:\Users\Admin\AppData\Local\Temp\Product specification manual Mp4.exe"1⤵
- Checks computer location settings
- Windows security modification
- Adds Run key to start application
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Program Files\Common Files\System\73b7cf1bf173fd3\svchost.exe" -Force2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Program Files\Common Files\System\73b7cf1bf173fd3\svchost.exe" -Force2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Product specification manual Mp4.exe" -Force2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Product specification manual Mp4.exe" -Force2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionExtension "exe" -Force2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Product specification manual Mp4.exe" -Force2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\Product specification manual Mp4.exe"C:\Users\Admin\AppData\Local\Temp\Product specification manual Mp4.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\Product specification manual Mp4.exe"C:\Users\Admin\AppData\Local\Temp\Product specification manual Mp4.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\Product specification manual Mp4.exe"C:\Users\Admin\AppData\Local\Temp\Product specification manual Mp4.exe"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
powershell.exe.log
powershell.exe.log
StartupProfileData-NonInteractive
StartupProfileData-NonInteractive
StartupProfileData-NonInteractive
StartupProfileData-NonInteractive
StartupProfileData-NonInteractive
memory/1596-163-0x00000000079A0000-0x0000000007A36000-memory.dmp
memory/1596-157-0x00000000075C0000-0x00000000075DE000-memory.dmp
memory/1596-141-0x0000000005CA0000-0x0000000005D06000-memory.dmp
memory/1596-152-0x0000000075180000-0x00000000751CC000-memory.dmp
memory/2084-131-0x00000000027E0000-0x000000000287C000-memory.dmp
memory/2084-140-0x0000000007300000-0x000000000730A000-memory.dmp
memory/2084-132-0x00000000077F0000-0x0000000007D94000-memory.dmp
memory/2084-137-0x0000000007320000-0x00000000073B2000-memory.dmp
memory/2084-130-0x00000000001A0000-0x0000000000260000-memory.dmp
memory/2140-165-0x00000000070D0000-0x00000000070DE000-memory.dmp
memory/2140-139-0x0000000004BC0000-0x0000000004BE2000-memory.dmp
memory/2140-142-0x0000000005530000-0x0000000005596000-memory.dmp
memory/2140-162-0x0000000006F10000-0x0000000006F1A000-memory.dmp
memory/2140-159-0x00000000074E0000-0x0000000007B5A000-memory.dmp
memory/2140-154-0x0000000075180000-0x00000000751CC000-memory.dmp
memory/2140-151-0x0000000006B30000-0x0000000006B62000-memory.dmp
memory/2828-155-0x0000000075180000-0x00000000751CC000-memory.dmp
memory/3056-158-0x0000000075180000-0x00000000751CC000-memory.dmp
memory/4380-153-0x0000000075180000-0x00000000751CC000-memory.dmp
memory/4380-167-0x0000000007D20000-0x0000000007D28000-memory.dmp
memory/4380-160-0x0000000007A00000-0x0000000007A1A000-memory.dmp
memory/4420-166-0x0000000007DF0000-0x0000000007E0A000-memory.dmp
memory/4420-138-0x0000000005A60000-0x0000000006088000-memory.dmp
memory/4420-161-0x0000000007B10000-0x0000000007B1A000-memory.dmp
memory/4420-136-0x0000000002E70000-0x0000000002EA6000-memory.dmp
memory/4420-156-0x0000000075180000-0x00000000751CC000-memory.dmp
memory/4420-150-0x00000000055A0000-0x00000000055BE000-memory.dmp
memory/4612-149-0x0000000000400000-0x000000000043A000-memory.dmp
memory/4612-164-0x0000000006580000-0x00000000065D0000-memory.dmp