Analysis
- max time kernel
94s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20230221-en - resource tags
- submitted
22/02/2023, 11:04
General
- Target 1a2e5a8d92c3850682c46fd943f67fa5.exe
- Size 920KB
- Sample230222-m6abdaba52
- SHA256 102fd6ec47edeeb5e28e561c51b9e175a8ecd1de62e8afb73167a16b171a2694
Malware Config
Extracted
-
agenttesla
-
https://discord.com/api/webhooks/1075887334303748266/u8Nrxb0SNd0-_hLZmle74zb3s1_g7nazO4AFHWQ-xeAnmWLI8dX4hffXPdxsWEWxdEMM
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- 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
- 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
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\1a2e5a8d92c3850682c46fd943f67fa5.exe"C:\Users\Admin\AppData\Local\Temp\1a2e5a8d92c3850682c46fd943f67fa5.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\1a2e5a8d92c3850682c46fd943f67fa5.exe"C:\Users\Admin\AppData\Local\Temp\1a2e5a8d92c3850682c46fd943f67fa5.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
1a2e5a8d92c3850682c46fd943f67fa5.exe.log
memory/1044-143-0x0000000005140000-0x0000000005150000-memory.dmp
memory/1044-139-0x0000000000400000-0x0000000000430000-memory.dmp
memory/1044-142-0x00000000051C0000-0x0000000005226000-memory.dmp
memory/1044-144-0x0000000006CC0000-0x0000000006CCA000-memory.dmp
memory/1044-145-0x0000000006D40000-0x0000000006D90000-memory.dmp
memory/1044-146-0x0000000006F60000-0x0000000007122000-memory.dmp
memory/1044-147-0x0000000005140000-0x0000000005150000-memory.dmp
memory/3652-135-0x00000000053F0000-0x0000000005400000-memory.dmp
memory/3652-136-0x00000000053F0000-0x0000000005400000-memory.dmp
memory/3652-137-0x0000000008760000-0x0000000008D04000-memory.dmp
memory/3652-138-0x00000000081B0000-0x000000000824C000-memory.dmp
memory/3652-134-0x0000000007B40000-0x0000000007BD2000-memory.dmp
memory/3652-133-0x0000000000A40000-0x0000000000B2C000-memory.dmp