Analysis
- max time kernel
132s - max time network
139s - platform
windows10-2004_x64 - resource
win10v2004-20230915-en - resource tags
- submitted
15/09/2023, 10:36
General
- Target 23091560714.exe
- Size 631KB
- Sample230915-mm9bcsab7v
- SHA256 01fc4ee8bd9cd9c2ee70ccd486f4f3d1fdd42f40fffc6ab66e9f3973f2000e14
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.fiberton.com.tr
-
Port
587
-
Username
-
Password
X46mhrs1x.!
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.fiberton.com.tr
-
Port
587
-
Username
-
Password
X46mhrs1x.!
-
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 6 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\23091560714.exe"C:\Users\Admin\AppData\Local\Temp\23091560714.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\23091560714.exe"C:\Users\Admin\AppData\Local\Temp\23091560714.exe"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
23091560714.exe.log
memory/336-12-0x0000000000400000-0x0000000000444000-memory.dmp
memory/336-22-0x0000000004F00000-0x0000000004F10000-memory.dmp
memory/336-21-0x0000000074A80000-0x0000000075230000-memory.dmp
memory/336-20-0x0000000006650000-0x00000000066A0000-memory.dmp
memory/336-18-0x0000000004E90000-0x0000000004EF6000-memory.dmp
memory/336-17-0x0000000004F00000-0x0000000004F10000-memory.dmp
memory/336-15-0x0000000074A80000-0x0000000075230000-memory.dmp
memory/740-10-0x0000000006670000-0x00000000066EE000-memory.dmp
memory/740-9-0x0000000006270000-0x000000000627A000-memory.dmp
memory/740-0-0x00000000003D0000-0x0000000000474000-memory.dmp
memory/740-11-0x0000000008CD0000-0x0000000008D6C000-memory.dmp
memory/740-8-0x0000000004E00000-0x0000000004E10000-memory.dmp
memory/740-7-0x0000000074A80000-0x0000000075230000-memory.dmp
memory/740-6-0x0000000005420000-0x0000000005430000-memory.dmp
memory/740-16-0x0000000074A80000-0x0000000075230000-memory.dmp
memory/740-5-0x0000000004E40000-0x0000000004E4A000-memory.dmp
memory/740-4-0x0000000004E00000-0x0000000004E10000-memory.dmp
memory/740-3-0x0000000004E90000-0x0000000004F22000-memory.dmp
memory/740-2-0x0000000005440000-0x00000000059E4000-memory.dmp
memory/740-1-0x0000000074A80000-0x0000000075230000-memory.dmp