Analysis
- max time kernel
125s - max time network
51s - platform
windows10-2004_x64 - resource
win10v2004-20231130-en - resource tags
- submitted
06/12/2023, 03:09
General
- Target Nghgisxtb.exe
- Size 407KB
- Sample231206-dny3caaf43
- SHA256 8879bff7f26b389b8d375928fc6095a3847f8602e00822e3f2f67705e2d85cc0
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.asiaparadisehotel.com
-
Port
587
-
Username
-
Password
^b2ycDldex$@
-
Email to
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.
- Adds Run key to start application 2 TTPs 2 IoCs
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 3 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Nghgisxtb.exe"C:\Users\Admin\AppData\Local\Temp\Nghgisxtb.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Nghgisxtb.exeC:\Users\Admin\AppData\Local\Temp\Nghgisxtb.exe2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Nghgisxtb.exe.log
memory/1120-8-0x0000000005C40000-0x0000000005C80000-memory.dmp
memory/1120-14-0x0000000075140000-0x00000000758F0000-memory.dmp
memory/1120-3-0x00000000059A0000-0x0000000005A32000-memory.dmp
memory/1120-4-0x0000000005990000-0x00000000059A0000-memory.dmp
memory/1120-5-0x0000000005940000-0x000000000594A000-memory.dmp
memory/1120-6-0x0000000005AB0000-0x0000000005B0A000-memory.dmp
memory/1120-7-0x0000000005950000-0x0000000005990000-memory.dmp
memory/1120-0-0x0000000000EF0000-0x0000000000F5C000-memory.dmp
memory/1120-2-0x0000000005EB0000-0x0000000006454000-memory.dmp
memory/1120-9-0x0000000005C80000-0x0000000005CCC000-memory.dmp
memory/1120-1-0x0000000075140000-0x00000000758F0000-memory.dmp
memory/4288-15-0x0000000075140000-0x00000000758F0000-memory.dmp
memory/4288-11-0x0000000000400000-0x0000000000442000-memory.dmp
memory/4288-17-0x0000000004D60000-0x0000000004D70000-memory.dmp
memory/4288-16-0x0000000004F40000-0x0000000004FA6000-memory.dmp
memory/4288-19-0x0000000006610000-0x0000000006660000-memory.dmp
memory/4288-20-0x0000000006700000-0x000000000679C000-memory.dmp
memory/4288-21-0x0000000075140000-0x00000000758F0000-memory.dmp