Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
16/05/2024, 08:50
General
- Target PO240448.exe
- Size 782KB
- Sample240516-krksfsdb96
- SHA256 e967eb5ff57e890dc8aa2bfc44a97c5016fd2c514590be458e21cfff334df6fb
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.mbarieservicesltd.com
-
Port
587
-
Username
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Password
*o9H+18Q4%;M
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Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
- 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.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 6 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\PO240448.exe"C:\Users\Admin\AppData\Local\Temp\PO240448.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
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\PO240448.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- 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\Roaming\phTNJBlXo.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\phTNJBlXo" /XML "C:\Users\Admin\AppData\Local\Temp\tmp762A.tmp"2⤵
- Creates scheduled task(s)
-
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C:\Users\Admin\AppData\Local\Temp\PO240448.exe"C:\Users\Admin\AppData\Local\Temp\PO240448.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
powershell.exe.log
StartupProfileData-NonInteractive
__PSScriptPolicyTest_mbu20oos.kri.ps1
tmp762A.tmp
memory/1560-80-0x00000000064C0000-0x0000000006682000-memory.dmp
memory/1560-78-0x0000000006240000-0x0000000006290000-memory.dmp
memory/1560-46-0x0000000000400000-0x0000000000430000-memory.dmp
memory/2040-76-0x00000000070E0000-0x00000000070EA000-memory.dmp
memory/2040-24-0x0000000004EA0000-0x0000000004EC2000-memory.dmp
memory/2040-90-0x0000000074FF0000-0x00000000757A0000-memory.dmp
memory/2040-84-0x0000000007390000-0x0000000007398000-memory.dmp
memory/2040-15-0x0000000002440000-0x0000000002476000-memory.dmp
memory/2040-16-0x0000000074FF0000-0x00000000757A0000-memory.dmp
memory/2040-17-0x0000000004F50000-0x0000000005578000-memory.dmp
memory/2040-18-0x0000000074FF0000-0x00000000757A0000-memory.dmp
memory/2040-83-0x00000000073B0000-0x00000000073CA000-memory.dmp
memory/2040-79-0x0000000007270000-0x0000000007281000-memory.dmp
memory/2040-21-0x0000000074FF0000-0x00000000757A0000-memory.dmp
memory/2040-77-0x00000000072F0000-0x0000000007386000-memory.dmp
memory/2040-25-0x0000000005580000-0x00000000055E6000-memory.dmp
memory/2040-64-0x00000000758A0000-0x00000000758EC000-memory.dmp
memory/2040-31-0x0000000005660000-0x00000000056C6000-memory.dmp
memory/2516-50-0x0000000006900000-0x000000000694C000-memory.dmp
memory/2516-75-0x0000000007C20000-0x0000000007C3A000-memory.dmp
memory/2516-45-0x0000000006400000-0x0000000006754000-memory.dmp
memory/2516-91-0x0000000074FF0000-0x00000000757A0000-memory.dmp
memory/2516-19-0x0000000074FF0000-0x00000000757A0000-memory.dmp
memory/2516-49-0x00000000068D0000-0x00000000068EE000-memory.dmp
memory/2516-82-0x0000000007E60000-0x0000000007E74000-memory.dmp
memory/2516-62-0x00000000078C0000-0x00000000078DE000-memory.dmp
memory/2516-52-0x00000000758A0000-0x00000000758EC000-memory.dmp
memory/2516-51-0x00000000078E0000-0x0000000007912000-memory.dmp
memory/2516-63-0x0000000007920000-0x00000000079C3000-memory.dmp
memory/2516-81-0x0000000007E50000-0x0000000007E5E000-memory.dmp
memory/2516-74-0x0000000008260000-0x00000000088DA000-memory.dmp
memory/2516-20-0x0000000074FF0000-0x00000000757A0000-memory.dmp
memory/2516-22-0x0000000074FF0000-0x00000000757A0000-memory.dmp
memory/4524-0-0x0000000074FFE000-0x0000000074FFF000-memory.dmp
memory/4524-4-0x00000000051A0000-0x00000000051AA000-memory.dmp
memory/4524-6-0x0000000006800000-0x0000000006892000-memory.dmp
memory/4524-3-0x00000000051B0000-0x0000000005242000-memory.dmp
memory/4524-7-0x0000000006890000-0x00000000068AE000-memory.dmp
memory/4524-8-0x0000000006470000-0x0000000006480000-memory.dmp
memory/4524-48-0x0000000074FF0000-0x00000000757A0000-memory.dmp
memory/4524-10-0x0000000008E70000-0x0000000008F0C000-memory.dmp
memory/4524-2-0x00000000056C0000-0x0000000005C64000-memory.dmp
memory/4524-1-0x00000000006D0000-0x000000000079A000-memory.dmp
memory/4524-5-0x0000000074FF0000-0x00000000757A0000-memory.dmp
memory/4524-9-0x0000000006730000-0x00000000067A2000-memory.dmp