Analysis
- max time kernel
118s - max time network
119s - platform
windows7_x64 - resource
win7-20240221-en - resource tags
- submitted
21/05/2024, 02:05
General
- Target Maersk-BL-Ref0929339041333 47367282378722.scr
- Size 721KB
- Sample240521-ch5ghaef49
- SHA256 e369f5e2d53c77e48bcc4bfa80301fce6480ab8e59808ddba41b7bb97ddc0823
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.farm-valley.com
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Port
587
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Username
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Password
Businessvalley@2020
Extracted
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agenttesla
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Protocol
smtp
-
Host
mail.farm-valley.com
-
Port
587
-
Username
-
Password
Businessvalley@2020
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- 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.
- 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
- Modifies system certificate store 2 TTPs 2 IoCs
- Suspicious behavior: EnumeratesProcesses 6 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\Maersk-BL-Ref0929339041333 47367282378722.scr"C:\Users\Admin\AppData\Local\Temp\Maersk-BL-Ref0929339041333 47367282378722.scr" /S1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Maersk-BL-Ref0929339041333 47367282378722.scr"C:\Users\Admin\AppData\Local\Temp\Maersk-BL-Ref0929339041333 47367282378722.scr"2⤵
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C:\Users\Admin\AppData\Local\Temp\Maersk-BL-Ref0929339041333 47367282378722.scr"C:\Users\Admin\AppData\Local\Temp\Maersk-BL-Ref0929339041333 47367282378722.scr"2⤵
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C:\Users\Admin\AppData\Local\Temp\Maersk-BL-Ref0929339041333 47367282378722.scr"C:\Users\Admin\AppData\Local\Temp\Maersk-BL-Ref0929339041333 47367282378722.scr"2⤵
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/2308-0-0x00000000745BE000-0x00000000745BF000-memory.dmp
memory/2308-1-0x0000000000100000-0x00000000001BA000-memory.dmp
memory/2308-2-0x00000000745B0000-0x0000000074C9E000-memory.dmp
memory/2308-3-0x0000000000530000-0x0000000000552000-memory.dmp
memory/2308-4-0x00000000003A0000-0x00000000003AC000-memory.dmp
memory/2308-5-0x00000000004E0000-0x00000000004F0000-memory.dmp
memory/2308-6-0x00000000050A0000-0x0000000005124000-memory.dmp
memory/2308-19-0x00000000745B0000-0x0000000074C9E000-memory.dmp
memory/3000-7-0x0000000000400000-0x0000000000442000-memory.dmp
memory/3000-17-0x0000000000400000-0x0000000000442000-memory.dmp
memory/3000-15-0x0000000000400000-0x0000000000442000-memory.dmp
memory/3000-13-0x0000000000400000-0x0000000000442000-memory.dmp
memory/3000-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/3000-9-0x0000000000400000-0x0000000000442000-memory.dmp
memory/3000-10-0x0000000000400000-0x0000000000442000-memory.dmp
memory/3000-8-0x0000000000400000-0x0000000000442000-memory.dmp
memory/3000-18-0x00000000745B0000-0x0000000074C9E000-memory.dmp
memory/3000-20-0x00000000745B0000-0x0000000074C9E000-memory.dmp
memory/3000-21-0x00000000745B0000-0x0000000074C9E000-memory.dmp