Analysis
- max time kernel
121s - max time network
124s - platform
windows7_x64 - resource
win7-20231020-en - resource tags
- submitted
23/11/2023, 12:35
General
- Target SecuriteInfo.com.MSIL.Kryptik.AKEC.tr.31431.29608.exe
- Size 743KB
- Sample231123-psby6aae91
- SHA256 2dfbf85c26d893e4dae9ca72d6677f00789c7f69ada570b93ccfccc1f37f5225
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
ssl0.ovh.net
-
Port
587
-
Username
-
Password
PSF70acsi
-
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.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- 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
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.MSIL.Kryptik.AKEC.tr.31431.29608.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.MSIL.Kryptik.AKEC.tr.31431.29608.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.MSIL.Kryptik.AKEC.tr.31431.29608.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.MSIL.Kryptik.AKEC.tr.31431.29608.exe"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
memory/2192-0-0x0000000000180000-0x0000000000240000-memory.dmp
memory/2192-1-0x0000000074080000-0x000000007476E000-memory.dmp
memory/2192-2-0x0000000004D70000-0x0000000004DB0000-memory.dmp
memory/2192-3-0x0000000000670000-0x0000000000688000-memory.dmp
memory/2192-4-0x00000000004C0000-0x00000000004C6000-memory.dmp
memory/2192-5-0x0000000000590000-0x000000000059A000-memory.dmp
memory/2192-6-0x000000000D210000-0x000000000D298000-memory.dmp
memory/2192-17-0x0000000074080000-0x000000007476E000-memory.dmp
memory/2360-8-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2360-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2360-13-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2360-10-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2360-9-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2360-15-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2360-7-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2360-18-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2360-19-0x0000000074080000-0x000000007476E000-memory.dmp
memory/2360-20-0x00000000049C0000-0x0000000004A00000-memory.dmp
memory/2360-23-0x0000000074080000-0x000000007476E000-memory.dmp