Analysis
- max time kernel
120s - max time network
120s - platform
windows7_x64 - resource
win7-20240508-en - resource tags
- submitted
22/05/2024, 03:53
General
- Target 65ea5594ddf4968baa26cc3dddfa0db0_JaffaCakes118.exe
- Size 1.6MB
- Sample240522-efx1rabc39
- SHA256 1334290e2e59bc9e53b20732cd9403a683aadce734ca1c5db4030309b74adae0
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.weltwietagri.com
-
Port
587
-
Username
-
Password
aFoijG*0
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla payload 3 IoCs
- 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 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of FindShellTrayWindow 3 IoCs
- Suspicious use of SendNotifyMessage 3 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\65ea5594ddf4968baa26cc3dddfa0db0_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\65ea5594ddf4968baa26cc3dddfa0db0_JaffaCakes118.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
-
C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v2.0.50727\\\\RegAsm.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/2392-0-0x0000000000260000-0x00000000002A7000-memory.dmp
memory/2392-1-0x00000000006B0000-0x00000000006F7000-memory.dmp
memory/2892-2-0x0000000000400000-0x000000000044C000-memory.dmp
memory/2892-6-0x0000000000400000-0x000000000044C000-memory.dmp
memory/2892-4-0x0000000000400000-0x000000000044C000-memory.dmp
memory/2892-7-0x0000000074A22000-0x0000000074A24000-memory.dmp
memory/2892-8-0x0000000074A22000-0x0000000074A24000-memory.dmp