Analysis
- max time kernel
128s - max time network
133s - platform
windows10-2004_x64 - resource
win10v2004-20240611-en - resource tags
- submitted
13/06/2024, 02:15
General
- Target f6980a9e6283890897bc72182126cfc31622b285a7793f648e3a7d3cb350bf10.exe
- Size 315KB
- Sample240613-cpyyas1ckd
- SHA256 f6980a9e6283890897bc72182126cfc31622b285a7793f648e3a7d3cb350bf10
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.inovamuhendislik.net
-
Port
587
-
Username
-
Password
Rt8FWRev
-
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 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
- 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
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\f6980a9e6283890897bc72182126cfc31622b285a7793f648e3a7d3cb350bf10.exe"C:\Users\Admin\AppData\Local\Temp\f6980a9e6283890897bc72182126cfc31622b285a7793f648e3a7d3cb350bf10.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4120,i,11751898164297348119,13021661521765644467,262144 --variations-seed-version --mojo-platform-channel-handle=3928 /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
memory/2696-8-0x0000000000400000-0x0000000000440000-memory.dmp
memory/2696-15-0x0000000074C70000-0x0000000075420000-memory.dmp
memory/2696-14-0x0000000006CA0000-0x0000000006CF0000-memory.dmp
memory/2696-11-0x0000000005770000-0x00000000057D6000-memory.dmp
memory/2696-10-0x0000000074C70000-0x0000000075420000-memory.dmp
memory/2696-9-0x0000000074C70000-0x0000000075420000-memory.dmp
memory/3256-3-0x00000000050A0000-0x0000000005132000-memory.dmp
memory/3256-7-0x0000000005050000-0x000000000505A000-memory.dmp
memory/3256-6-0x0000000005080000-0x000000000508A000-memory.dmp
memory/3256-5-0x0000000074C70000-0x0000000075420000-memory.dmp
memory/3256-4-0x0000000004FA0000-0x0000000004FF0000-memory.dmp
memory/3256-0-0x0000000074C7E000-0x0000000074C7F000-memory.dmp
memory/3256-13-0x0000000074C70000-0x0000000075420000-memory.dmp
memory/3256-2-0x0000000005650000-0x0000000005BF4000-memory.dmp
memory/3256-1-0x0000000000580000-0x00000000005D6000-memory.dmp