Analysis
- max time kernel
141s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20231020-en - resource tags
- submitted
24/10/2023, 08:58
General
- Target Payment Copy (Swift-TT).xls.exe
- Size 2.8MB
- Sample231024-kw59ysdf74
- SHA256 04f59143e6d05f2b94cd081c398b7e4dc6ab486fa83e67194b13582faaa8727a
Malware Config
Extracted
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agenttesla
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https://discord.com/api/webhooks/1165348161691320490/owiChq8K990TdqTmlmA_Y6ZHsEa8e8a55mSy2tkQsil_4MaYV8CLebSWMiPwv5n5mlnc
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- 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.
- Adds Run key to start application 2 TTPs 1 IoCs
- Legitimate hosting services abused for malware hosting/C2 1 TTPs
- Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Gathers network information 2 TTPs 2 IoCs
Uses commandline utility to view network configuration.
- Suspicious behavior: EnumeratesProcesses 8 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 29 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\Payment Copy (Swift-TT).xls.exe"C:\Users\Admin\AppData\Local\Temp\Payment Copy (Swift-TT).xls.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ipconfig /release2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\ipconfig.exeipconfig /release3⤵
- Gathers network information
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ipconfig /renew2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\ipconfig.exeipconfig /renew3⤵
- Gathers network information
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C:\Users\Admin\AppData\Local\Temp\Payment Copy (Swift-TT).xls.exe"C:\Users\Admin\AppData\Local\Temp\Payment Copy (Swift-TT).xls.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\Payment Copy (Swift-TT).xls.exe"C:\Users\Admin\AppData\Local\Temp\Payment Copy (Swift-TT).xls.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\Payment Copy (Swift-TT).xls.exe"C:\Users\Admin\AppData\Local\Temp\Payment Copy (Swift-TT).xls.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\Payment Copy (Swift-TT).xls.exe"C:\Users\Admin\AppData\Local\Temp\Payment Copy (Swift-TT).xls.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
Payment Copy (Swift-TT).xls.exe.log
memory/3688-14-0x0000000074D10000-0x00000000754C0000-memory.dmp
memory/3688-1-0x0000000074D10000-0x00000000754C0000-memory.dmp
memory/3688-2-0x0000000005800000-0x0000000005892000-memory.dmp
memory/3688-3-0x0000000005980000-0x0000000005990000-memory.dmp
memory/3688-4-0x0000000005C30000-0x0000000005C8A000-memory.dmp
memory/3688-5-0x0000000005920000-0x0000000005962000-memory.dmp
memory/3688-6-0x0000000005C90000-0x0000000005CD0000-memory.dmp
memory/3688-7-0x0000000005D20000-0x0000000005D6C000-memory.dmp
memory/3688-8-0x0000000074D10000-0x00000000754C0000-memory.dmp
memory/3688-9-0x0000000006EA0000-0x0000000007444000-memory.dmp
memory/3688-0-0x0000000000BA0000-0x0000000000E6A000-memory.dmp
memory/3808-10-0x0000000000400000-0x0000000000442000-memory.dmp
memory/3808-13-0x0000000074D10000-0x00000000754C0000-memory.dmp
memory/3808-15-0x0000000005BD0000-0x0000000005BE0000-memory.dmp
memory/3808-16-0x0000000005B20000-0x0000000005B86000-memory.dmp
memory/3808-19-0x00000000071A0000-0x00000000071F0000-memory.dmp
memory/3808-20-0x0000000007290000-0x000000000732C000-memory.dmp
memory/3808-21-0x0000000007360000-0x000000000736A000-memory.dmp
memory/3808-22-0x0000000074D10000-0x00000000754C0000-memory.dmp
memory/3808-23-0x0000000005BD0000-0x0000000005BE0000-memory.dmp