Analysis
- max time kernel
61s - max time network
114s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
- submitted
22/02/2023, 10:57
General
- Target DHL Express Documents.exe
- Size 925KB
- Sample230222-m2a24scg3x
- SHA256 6fdccf8fc50e57a15c14660871cfb0553bec062cf7a1b33f50393c82cd753eaa
Malware Config
Extracted
-
agenttesla
-
https://discord.com/api/webhooks/1077209796744314960/BKdIyTK-gBmc2Qt7dan4u_AaDMa3v876NHbolgitRBA8Ca6ZYlJPj98uLOkV_mZHZJ2m
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
- Adds Run key to start application 2 TTPs 1 IoCs
- Legitimate hosting services abused for malware hosting/C2 1 TTPs
- 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\DHL Express Documents.exe"C:\Users\Admin\AppData\Local\Temp\DHL Express Documents.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\DHL Express Documents.exe"C:\Users\Admin\AppData\Local\Temp\DHL Express Documents.exe"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- 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
DHL Express Documents.exe.log
memory/1660-134-0x0000000005590000-0x00000000055A0000-memory.dmp
memory/1660-135-0x0000000007920000-0x00000000079B2000-memory.dmp
memory/1660-136-0x0000000005590000-0x00000000055A0000-memory.dmp
memory/1660-137-0x00000000084F0000-0x0000000008A94000-memory.dmp
memory/1660-138-0x0000000007F40000-0x0000000007FDC000-memory.dmp
memory/1660-133-0x0000000000790000-0x000000000087E000-memory.dmp
memory/2600-139-0x0000000000400000-0x0000000000432000-memory.dmp
memory/2600-142-0x00000000054B0000-0x0000000005516000-memory.dmp
memory/2600-143-0x0000000005540000-0x0000000005550000-memory.dmp
memory/2600-146-0x0000000006F80000-0x0000000006F8A000-memory.dmp
memory/2600-147-0x0000000006FE0000-0x0000000007030000-memory.dmp
memory/2600-148-0x0000000007240000-0x0000000007402000-memory.dmp
memory/2600-155-0x0000000005540000-0x0000000005550000-memory.dmp