Analysis
- max time kernel
137s - max time network
137s - platform
windows7_x64 - resource
win7v20201028 - submitted
30/11/2020, 15:03
General
- Target SecuriteInfo.com.Generic.mg.4ac30adb1e287eb9.10153.exe
- Size 398KB
- Sample201130-tm2sjh2sha
- SHA256 366ec72f3e385fffc76a6750312ef73abb87afb3e9f04d0930c5053fe793f0d6
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.impresstilecleaners.com.au
-
Port
587
-
Username
-
Password
Smith@222
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 4 IoCs
- 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.
- Adds Run key to start application 2 TTPs 2 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 4 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 13 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Generic.mg.4ac30adb1e287eb9.10153.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Generic.mg.4ac30adb1e287eb9.10153.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Generic.mg.4ac30adb1e287eb9.10153.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Generic.mg.4ac30adb1e287eb9.10153.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Generic.mg.4ac30adb1e287eb9.10153.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Generic.mg.4ac30adb1e287eb9.10153.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/316-7-0x0000000000400000-0x000000000043C000-memory.dmp
memory/316-10-0x0000000000400000-0x000000000043C000-memory.dmp
memory/316-9-0x0000000000400000-0x000000000043C000-memory.dmp
memory/316-11-0x0000000073E00000-0x00000000744EE000-memory.dmp
memory/1204-2-0x0000000073E00000-0x00000000744EE000-memory.dmp
memory/1204-3-0x00000000013C0000-0x00000000013C1000-memory.dmp
memory/1204-5-0x0000000001290000-0x00000000012E5000-memory.dmp
memory/1204-6-0x0000000000C40000-0x0000000000C56000-memory.dmp