Analysis
- max time kernel
139s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20231023-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 6 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Proforma.exe"C:\Users\Admin\AppData\Local\Temp\Proforma.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Proforma.exe"C:\Users\Admin\AppData\Local\Temp\Proforma.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\Proforma.exe"C:\Users\Admin\AppData\Local\Temp\Proforma.exe"2⤵
-
-
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
Proforma.exe.log
memory/4516-13-0x0000000000400000-0x0000000000444000-memory.dmp
memory/4516-23-0x0000000004DD0000-0x0000000004DE0000-memory.dmp
memory/4516-22-0x0000000074970000-0x0000000075120000-memory.dmp
memory/4516-21-0x00000000065A0000-0x00000000065F0000-memory.dmp
memory/4516-19-0x0000000005080000-0x00000000050E6000-memory.dmp
memory/4516-17-0x0000000004DD0000-0x0000000004DE0000-memory.dmp
memory/4516-16-0x0000000074970000-0x0000000075120000-memory.dmp
memory/5036-5-0x00000000055F0000-0x00000000055FA000-memory.dmp
memory/5036-6-0x00000000055E0000-0x00000000055F0000-memory.dmp
memory/5036-10-0x0000000005630000-0x000000000563A000-memory.dmp
memory/5036-11-0x0000000005A20000-0x0000000005A9E000-memory.dmp
memory/5036-12-0x0000000005B50000-0x0000000005BEC000-memory.dmp
memory/5036-8-0x0000000005550000-0x0000000005560000-memory.dmp
memory/5036-7-0x0000000074970000-0x0000000075120000-memory.dmp
memory/5036-9-0x0000000005620000-0x0000000005626000-memory.dmp
memory/5036-18-0x0000000074970000-0x0000000075120000-memory.dmp
memory/5036-0-0x0000000074970000-0x0000000075120000-memory.dmp
memory/5036-4-0x0000000005550000-0x0000000005560000-memory.dmp
memory/5036-3-0x0000000005670000-0x0000000005702000-memory.dmp
memory/5036-2-0x0000000005C20000-0x00000000061C4000-memory.dmp
memory/5036-1-0x0000000000B50000-0x0000000000BF2000-memory.dmp