Analysis
- max time kernel
117s - max time network
127s - platform
windows7_x64 - resource
win7-20231025-en - resource tags
- submitted
30/10/2023, 12:31
General
- Target Proforma.exe
- Size 627KB
- Sample231030-pp2emsch7x
- SHA256 c7be1564aa359a6b4e5053520738086c66577fdf38fd773fe76cc5a34bd53e40
Malware Config
Extracted
-
Protocol
smtp
-
Host
webmail.euroschool-bg.com
-
Port
587
-
Username
-
Password
Miha002!
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
webmail.euroschool-bg.com
-
Port
587
-
Username
-
Password
Miha002!
-
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 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 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Proforma.exe"C:\Users\Admin\AppData\Local\Temp\Proforma.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Proforma.exe"C:\Users\Admin\AppData\Local\Temp\Proforma.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
memory/1052-0-0x0000000000AB0000-0x0000000000B52000-memory.dmp
memory/1052-1-0x0000000074880000-0x0000000074F6E000-memory.dmp
memory/1052-2-0x0000000004B00000-0x0000000004B40000-memory.dmp
memory/1052-3-0x00000000002D0000-0x00000000002E0000-memory.dmp
memory/1052-4-0x0000000074880000-0x0000000074F6E000-memory.dmp
memory/1052-5-0x0000000004B00000-0x0000000004B40000-memory.dmp
memory/1052-6-0x0000000000440000-0x0000000000446000-memory.dmp
memory/1052-7-0x0000000000450000-0x000000000045A000-memory.dmp
memory/1052-8-0x0000000004BC0000-0x0000000004C3E000-memory.dmp
memory/1052-22-0x0000000074880000-0x0000000074F6E000-memory.dmp
memory/2152-10-0x0000000000400000-0x0000000000444000-memory.dmp
memory/2152-11-0x0000000000400000-0x0000000000444000-memory.dmp
memory/2152-13-0x0000000000400000-0x0000000000444000-memory.dmp
memory/2152-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2152-17-0x0000000000400000-0x0000000000444000-memory.dmp
memory/2152-19-0x0000000000400000-0x0000000000444000-memory.dmp
memory/2152-21-0x0000000000400000-0x0000000000444000-memory.dmp
memory/2152-9-0x0000000000400000-0x0000000000444000-memory.dmp
memory/2152-23-0x0000000074880000-0x0000000074F6E000-memory.dmp
memory/2152-24-0x0000000004850000-0x0000000004890000-memory.dmp
memory/2152-26-0x0000000074880000-0x0000000074F6E000-memory.dmp
memory/2152-27-0x0000000004850000-0x0000000004890000-memory.dmp