Analysis
- max time kernel
149s - max time network
143s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
10/08/2026, 14:58
General
- Target 3aa519838c38d7b056b5cc2da23cd0dc26883b8100414b09942af1885a1aa57c.exe
- Size 994KB
- Sample260810-schnjs1eqa
- SHA256 3aa519838c38d7b056b5cc2da23cd0dc26883b8100414b09942af1885a1aa57c
Malware Config
Extracted
-
Protocol
ftp
-
Host
ftp.holzbrenzii.com
-
Port
21
-
Username
-
Password
boygirl123456
Extracted
-
agenttesla
-
Protocol
ftp
-
Host
ftp://ftp.holzbrenzii.com
-
Port
21
-
Username
-
Password
boygirl123456
Signatures
- Family: AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
- 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 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs
- Looks up external IP address via web service 1 TTPs 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 6 IoCs
- outlook_office_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\3aa519838c38d7b056b5cc2da23cd0dc26883b8100414b09942af1885a1aa57c.exe"C:\Users\Admin\AppData\Local\Temp\3aa519838c38d7b056b5cc2da23cd0dc26883b8100414b09942af1885a1aa57c.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\3aa519838c38d7b056b5cc2da23cd0dc26883b8100414b09942af1885a1aa57c.exe"C:\Users\Admin\AppData\Local\Temp\3aa519838c38d7b056b5cc2da23cd0dc26883b8100414b09942af1885a1aa57c.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\3aa519838c38d7b056b5cc2da23cd0dc26883b8100414b09942af1885a1aa57c.exe"C:\Users\Admin\AppData\Local\Temp\3aa519838c38d7b056b5cc2da23cd0dc26883b8100414b09942af1885a1aa57c.exe"2⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
-
Network
MITRE ATT&CK Enterprise v16
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
4Credentials In Files
3Credentials in Registry
1Replay Monitor
Loading Replay Monitor...
Downloads
3aa519838c38d7b056b5cc2da23cd0dc26883b8100414b09942af1885a1aa57c.exe.log
memory/4128-10-0x0000000000400000-0x0000000000442000-memory.dmp
memory/4128-16-0x00000000070A0000-0x00000000070F0000-memory.dmp
memory/4128-15-0x0000000005680000-0x0000000005690000-memory.dmp
memory/4128-14-0x0000000005800000-0x0000000005866000-memory.dmp
memory/4128-13-0x0000000005680000-0x0000000005690000-memory.dmp
memory/4332-4-0x0000000005420000-0x0000000005430000-memory.dmp
memory/4332-7-0x0000000007680000-0x000000000769C000-memory.dmp
memory/4332-8-0x0000000005420000-0x0000000005430000-memory.dmp
memory/4332-9-0x0000000006D40000-0x0000000006E18000-memory.dmp
memory/4332-6-0x0000000006060000-0x00000000060FC000-memory.dmp
memory/4332-5-0x00000000059D0000-0x00000000059DA000-memory.dmp
memory/4332-0-0x0000000000990000-0x0000000000A8E000-memory.dmp
memory/4332-3-0x0000000005500000-0x0000000005854000-memory.dmp
memory/4332-2-0x0000000005460000-0x00000000054F2000-memory.dmp
memory/4332-1-0x0000000005A10000-0x0000000005FB4000-memory.dmp