Analysis
- max time kernel
148s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
15/11/2024, 02:10
General
- Target 5c18981837fc6721301b98e3f096a76826e9f6480023ca20502356ec83aacb65.exe
- Size 761KB
- Sample241115-clx7laxapp
- SHA256 5c18981837fc6721301b98e3f096a76826e9f6480023ca20502356ec83aacb65
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.nusatek.com
-
Port
587
-
Username
-
Password
nusatek187753d
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Agenttesla family
- AgentTesla payload 1 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- 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.
- Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 3 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\5c18981837fc6721301b98e3f096a76826e9f6480023ca20502356ec83aacb65.exe"C:\Users\Admin\AppData\Local\Temp\5c18981837fc6721301b98e3f096a76826e9f6480023ca20502356ec83aacb65.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\akAUxlYY" /XML "C:\Users\Admin\AppData\Local\Temp\tmp940D.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Local\Temp\5c18981837fc6721301b98e3f096a76826e9f6480023ca20502356ec83aacb65.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
5Credentials In Files
4Credentials in Registry
1Replay Monitor
Loading Replay Monitor...
Downloads
5c18981837fc6721301b98e3f096a76826e9f6480023ca20502356ec83aacb65.exe.log
tmp940D.tmp
memory/2408-13-0x00000000749B0000-0x0000000074F61000-memory.dmp
memory/2408-17-0x00000000749B0000-0x0000000074F61000-memory.dmp
memory/2408-16-0x00000000749B0000-0x0000000074F61000-memory.dmp
memory/2408-15-0x00000000749B0000-0x0000000074F61000-memory.dmp
memory/2408-14-0x00000000749B0000-0x0000000074F61000-memory.dmp
memory/2408-8-0x0000000000400000-0x000000000043C000-memory.dmp
memory/2408-12-0x00000000749B0000-0x0000000074F61000-memory.dmp
memory/2884-3-0x00000000749B2000-0x00000000749B3000-memory.dmp
memory/2884-11-0x00000000749B0000-0x0000000074F61000-memory.dmp
memory/2884-4-0x00000000749B0000-0x0000000074F61000-memory.dmp
memory/2884-0-0x00000000749B2000-0x00000000749B3000-memory.dmp
memory/2884-2-0x00000000749B0000-0x0000000074F61000-memory.dmp
memory/2884-1-0x00000000749B0000-0x0000000074F61000-memory.dmp