Analysis
- max time kernel
147s - max time network
124s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
07/06/2024, 01:40
General
- Target 5e86cc7463e90fb10d4c7f10858869e96ea3c50aca9f61dd50eeb5fd629da053.exe
- Size 635KB
- Sample240607-b3mlrafe3v
- SHA256 5e86cc7463e90fb10d4c7f10858869e96ea3c50aca9f61dd50eeb5fd629da053
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.serrania.eu
-
Port
587
-
Username
-
Password
Serrania86
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs
- Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
- Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 1 IoCs
- Detects executables packed with or use KoiVM 1 IoCs
- Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
- Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs
- Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs
- Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs
- Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\5e86cc7463e90fb10d4c7f10858869e96ea3c50aca9f61dd50eeb5fd629da053.exe"C:\Users\Admin\AppData\Local\Temp\5e86cc7463e90fb10d4c7f10858869e96ea3c50aca9f61dd50eeb5fd629da053.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
memory/1860-12-0x00007FFE57C20000-0x00007FFE586E1000-memory.dmp
memory/1860-1-0x00007FFE57C23000-0x00007FFE57C25000-memory.dmp
memory/1860-2-0x00000171F24C0000-0x00000171F2536000-memory.dmp
memory/1860-3-0x00000171D9BE0000-0x00000171D9BFE000-memory.dmp
memory/1860-4-0x00007FFE57C20000-0x00007FFE586E1000-memory.dmp
memory/1860-5-0x00000171D83F0000-0x00000171D83F6000-memory.dmp
memory/1860-6-0x00000171F2540000-0x00000171F25D4000-memory.dmp
memory/1860-0-0x00000171D8030000-0x00000171D8042000-memory.dmp
memory/2516-10-0x0000000004F00000-0x0000000004F66000-memory.dmp
memory/2516-8-0x0000000074D5E000-0x0000000074D5F000-memory.dmp
memory/2516-9-0x00000000054B0000-0x0000000005A54000-memory.dmp
memory/2516-11-0x0000000074D50000-0x0000000075500000-memory.dmp
memory/2516-7-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2516-13-0x0000000006500000-0x0000000006550000-memory.dmp
memory/2516-14-0x00000000065F0000-0x0000000006682000-memory.dmp
memory/2516-15-0x0000000006580000-0x000000000658A000-memory.dmp
memory/2516-16-0x0000000074D5E000-0x0000000074D5F000-memory.dmp
memory/2516-17-0x0000000074D50000-0x0000000075500000-memory.dmp