Analysis
- max time kernel
120s - max time network
159s - platform
windows10-2004_x64 - resource
win10v2004-20230703-en - resource tags
- submitted
29/08/2023, 08:36
General
- Target eb6a2478f1702c959b4fa10f4e41a7eacad94b23996244b43e5fca8e16981cc4.exe
- Size 455KB
- Sample230829-khs3gabc97
- SHA256 eb6a2478f1702c959b4fa10f4e41a7eacad94b23996244b43e5fca8e16981cc4
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.gskm.com.my
-
Port
587
-
Username
-
Password
GSKM11051996
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.gskm.com.my
-
Port
587
-
Username
-
Password
GSKM11051996
-
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 1 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 behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\eb6a2478f1702c959b4fa10f4e41a7eacad94b23996244b43e5fca8e16981cc4.exe"C:\Users\Admin\AppData\Local\Temp\eb6a2478f1702c959b4fa10f4e41a7eacad94b23996244b43e5fca8e16981cc4.exe"1⤵
- 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
memory/4776-0-0x0000000000E70000-0x0000000000EE8000-memory.dmp
memory/4776-1-0x0000000074420000-0x0000000074BD0000-memory.dmp
memory/4776-2-0x0000000006080000-0x0000000006624000-memory.dmp
memory/4776-3-0x0000000005AC0000-0x0000000005AD0000-memory.dmp
memory/4776-4-0x0000000005A10000-0x0000000005A76000-memory.dmp
memory/4776-5-0x0000000074420000-0x0000000074BD0000-memory.dmp
memory/4776-6-0x0000000005AC0000-0x0000000005AD0000-memory.dmp
memory/4776-8-0x00000000072E0000-0x0000000007330000-memory.dmp
memory/4776-9-0x00000000073D0000-0x000000000746C000-memory.dmp
memory/4776-10-0x0000000007610000-0x00000000076A2000-memory.dmp
memory/4776-11-0x0000000007570000-0x000000000757A000-memory.dmp