Analysis
- max time kernel
64s - max time network
120s - platform
windows7_x64 - resource
win7-20230220-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 9 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
CabF55A.tmp
memory/468-66-0x0000000000400000-0x0000000000430000-memory.dmp
memory/468-70-0x0000000000400000-0x0000000000430000-memory.dmp
memory/468-88-0x0000000004E20000-0x0000000004E60000-memory.dmp
memory/468-71-0x0000000004E20000-0x0000000004E60000-memory.dmp
memory/468-65-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/468-68-0x0000000000400000-0x0000000000430000-memory.dmp
memory/468-61-0x0000000000400000-0x0000000000430000-memory.dmp
memory/468-62-0x0000000000400000-0x0000000000430000-memory.dmp
memory/468-63-0x0000000000400000-0x0000000000430000-memory.dmp
memory/468-64-0x0000000000400000-0x0000000000430000-memory.dmp
memory/1340-56-0x0000000004D70000-0x0000000004DB0000-memory.dmp
memory/1340-54-0x0000000000A70000-0x0000000000B5C000-memory.dmp
memory/1340-60-0x0000000000370000-0x00000000003A2000-memory.dmp
memory/1340-59-0x00000000077A0000-0x000000000785A000-memory.dmp
memory/1340-58-0x00000000004F0000-0x00000000004FC000-memory.dmp
memory/1340-55-0x0000000000410000-0x0000000000426000-memory.dmp
memory/1340-57-0x0000000004D70000-0x0000000004DB0000-memory.dmp