Analysis
- max time kernel
148s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20231020-en - resource tags
- submitted
22/10/2023, 09:48
General
- Target defender.exe
- Size 360KB
- Sample231022-ls8fksfc8y
- SHA256 c8ff2c61350321ebc15ff18879d2c54ea0023b4b2018580cbb3e49c867eb949d
Malware Config
Extracted
-
agenttesla
-
https://api.telegram.org/bot6591478762:AAE-_VP0FwQWZvFbj-BKv49vXNRy5_07mHE/
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- 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 1 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\defender.exe"C:\Users\Admin\AppData\Local\Temp\defender.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\defender.exeC:\Users\Admin\AppData\Local\Temp\defender.exe2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
defender.exe.log
memory/3616-17-0x0000000006400000-0x0000000006450000-memory.dmp
memory/3616-14-0x0000000074DE0000-0x0000000075590000-memory.dmp
memory/3616-21-0x0000000003220000-0x0000000003230000-memory.dmp
memory/3616-20-0x0000000074DE0000-0x0000000075590000-memory.dmp
memory/3616-19-0x0000000006DD0000-0x0000000006DDA000-memory.dmp
memory/3616-10-0x0000000000400000-0x0000000000440000-memory.dmp
memory/3616-18-0x00000000064F0000-0x000000000658C000-memory.dmp
memory/3616-16-0x0000000005740000-0x00000000057A6000-memory.dmp
memory/3616-15-0x0000000003220000-0x0000000003230000-memory.dmp
memory/4000-6-0x0000000006FC0000-0x0000000007000000-memory.dmp
memory/4000-4-0x0000000006B20000-0x0000000006B78000-memory.dmp
memory/4000-13-0x0000000074DE0000-0x0000000075590000-memory.dmp
memory/4000-2-0x00000000057E0000-0x0000000005872000-memory.dmp
memory/4000-8-0x0000000007740000-0x0000000007CE4000-memory.dmp
memory/4000-0-0x0000000000D70000-0x0000000000DCE000-memory.dmp
memory/4000-7-0x0000000007100000-0x000000000714C000-memory.dmp
memory/4000-5-0x0000000006E80000-0x0000000006EC0000-memory.dmp
memory/4000-1-0x0000000074DE0000-0x0000000075590000-memory.dmp
memory/4000-3-0x00000000059E0000-0x00000000059F0000-memory.dmp