Analysis
- max time kernel
183s - max time network
226s - platform
windows10-2004_x64 - resource
win10v2004-20231020-en - resource tags
- submitted
22/10/2023, 07:41
General
- Target Mt036790r6.exe
- Size 652KB
- Sample231022-jh57csec2y
- SHA256 76f7e2ea6dc4dccb78c4d28107d8b9c83ca352a4bb977fd7ed17341a7ca126ca
Malware Config
Extracted
-
agenttesla
-
https://api.telegram.org/bot6626640232:AAEQxzyvdYu9h-oiXylbNPSGuaDK1G4JLjk/
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
- 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\Mt036790r6.exe"C:\Users\Admin\AppData\Local\Temp\Mt036790r6.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Mt036790r6.exe"C:\Users\Admin\AppData\Local\Temp\Mt036790r6.exe"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Mt036790r6.exe.log
memory/1852-10-0x0000000007C00000-0x0000000007C7C000-memory.dmp
memory/1852-2-0x00000000051D0000-0x0000000005774000-memory.dmp
memory/1852-3-0x0000000075070000-0x0000000075820000-memory.dmp
memory/1852-4-0x0000000004B10000-0x0000000004BA2000-memory.dmp
memory/1852-5-0x0000000004B00000-0x0000000004B10000-memory.dmp
memory/1852-6-0x0000000004BE0000-0x0000000004BEA000-memory.dmp
memory/1852-7-0x00000000067F0000-0x0000000006802000-memory.dmp
memory/1852-8-0x0000000004B00000-0x0000000004B10000-memory.dmp
memory/1852-1-0x0000000075070000-0x0000000075820000-memory.dmp
memory/1852-9-0x0000000005D90000-0x0000000005DA0000-memory.dmp
memory/1852-0-0x00000000000A0000-0x0000000000148000-memory.dmp
memory/1852-16-0x0000000075070000-0x0000000075820000-memory.dmp
memory/1852-11-0x0000000006060000-0x00000000060FC000-memory.dmp
memory/3076-15-0x0000000075070000-0x0000000075820000-memory.dmp
memory/3076-12-0x0000000000400000-0x0000000000442000-memory.dmp
memory/3076-17-0x0000000005060000-0x0000000005070000-memory.dmp
memory/3076-18-0x0000000004FE0000-0x0000000005046000-memory.dmp
memory/3076-19-0x0000000075070000-0x0000000075820000-memory.dmp
memory/3076-20-0x0000000005060000-0x0000000005070000-memory.dmp
memory/3076-23-0x0000000006630000-0x0000000006680000-memory.dmp