Analysis
- max time kernel
122s - max time network
125s - platform
windows7_x64 - resource
win7-20231025-en - resource tags
- submitted
24/11/2023, 14:55
General
- Target QUOTATIO.EXE.exe
- Size 498KB
- Sample231124-saffeach4t
- SHA256 61fb5f6fc20352e348f5546cee051a153310470b220df048b1b101bfb60454d5
Malware Config
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Executes dropped EXE 3 IoCs
- Loads dropped DLL 4 IoCs
- 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
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious behavior: MapViewOfSection 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 13 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\QUOTATIO.EXE.exe"C:\Users\Admin\AppData\Local\Temp\QUOTATIO.EXE.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\pgxfpwy.exe"C:\Users\Admin\AppData\Local\Temp\pgxfpwy.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\pgxfpwy.exe"C:\Users\Admin\AppData\Local\Temp\pgxfpwy.exe"3⤵
- Executes dropped EXE
-
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C:\Users\Admin\AppData\Local\Temp\pgxfpwy.exe"C:\Users\Admin\AppData\Local\Temp\pgxfpwy.exe"3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
jnsvjqjwbdh.nd
pgxfpwy.exe
pgxfpwy.exe
pgxfpwy.exe
pgxfpwy.exe
pgxfpwy.exe
pgxfpwy.exe
pgxfpwy.exe
pgxfpwy.exe
pgxfpwy.exe
memory/1164-15-0x0000000000400000-0x0000000000452000-memory.dmp
memory/1164-18-0x0000000000400000-0x0000000000452000-memory.dmp
memory/1164-19-0x0000000000400000-0x0000000000452000-memory.dmp
memory/1164-20-0x0000000073F10000-0x00000000745FE000-memory.dmp
memory/1164-21-0x00000000003A0000-0x00000000003E2000-memory.dmp
memory/1164-22-0x0000000004A10000-0x0000000004A50000-memory.dmp
memory/1164-23-0x0000000004A10000-0x0000000004A50000-memory.dmp
memory/1164-24-0x0000000073F10000-0x00000000745FE000-memory.dmp
memory/1984-9-0x00000000000E0000-0x00000000000E2000-memory.dmp