Analysis
- max time kernel
142s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20230703-en - resource tags
- submitted
18/07/2023, 13:22
General
- Target 474cfa5848c8b1d403994eba41fbda21.exe
- Size 589KB
- Sample230718-ql8j8abe3v
- SHA256 dffd7160962de91f0859e87eba3e6d2ea8cbd3f4ecdc7e27d2db556e027d6173
Malware Config
Extracted
-
agenttesla
-
https://api.telegram.org/bot5806691582:AAH6u3QmlmdvCPddcnWF_1vIYT8ymbk2K8M/
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 behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 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\474cfa5848c8b1d403994eba41fbda21.exe"C:\Users\Admin\AppData\Local\Temp\474cfa5848c8b1d403994eba41fbda21.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\474cfa5848c8b1d403994eba41fbda21.exe"C:\Users\Admin\AppData\Local\Temp\474cfa5848c8b1d403994eba41fbda21.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
474cfa5848c8b1d403994eba41fbda21.exe.log
memory/4376-142-0x0000000000400000-0x0000000000430000-memory.dmp
memory/4376-152-0x0000000005320000-0x0000000005330000-memory.dmp
memory/4376-151-0x00000000746F0000-0x0000000074EA0000-memory.dmp
memory/4376-150-0x0000000006CD0000-0x0000000006E92000-memory.dmp
memory/4376-149-0x0000000006AB0000-0x0000000006B00000-memory.dmp
memory/4376-148-0x0000000005330000-0x0000000005396000-memory.dmp
memory/4376-147-0x0000000005320000-0x0000000005330000-memory.dmp
memory/4376-145-0x00000000746F0000-0x0000000074EA0000-memory.dmp
memory/4624-141-0x0000000009220000-0x00000000092BC000-memory.dmp
memory/4624-134-0x00000000746F0000-0x0000000074EA0000-memory.dmp
memory/4624-140-0x00000000053C0000-0x00000000053D0000-memory.dmp
memory/4624-146-0x00000000746F0000-0x0000000074EA0000-memory.dmp
memory/4624-139-0x00000000746F0000-0x0000000074EA0000-memory.dmp
memory/4624-138-0x00000000054D0000-0x00000000054DA000-memory.dmp
memory/4624-137-0x00000000053C0000-0x00000000053D0000-memory.dmp
memory/4624-136-0x0000000005400000-0x0000000005492000-memory.dmp
memory/4624-135-0x00000000059B0000-0x0000000005F54000-memory.dmp
memory/4624-133-0x0000000000980000-0x0000000000A18000-memory.dmp