Analysis
- max time kernel
143s - max time network
138s - platform
windows7_x64 - resource
win7 - submitted
14/10/2020, 00:48
General
- Target TT No. 00189330982.exe
- Size 773KB
- Sample201014-hstrc6znw6
- SHA256 ffbc4a39ad58fc82025ec9dd1abcba049dc7c66a1ccb8b71fe2171e65f41b526
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.hudsouexports.com
-
Port
587
-
Username
-
Password
yLx%Bxg0_e3:
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 4 IoCs
- Drops file in Drivers directory 1 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 1 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\TT No. 00189330982.exe"C:\Users\Admin\AppData\Local\Temp\TT No. 00189330982.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\TT No. 00189330982.exe"{path}"2⤵
- Drops file in Drivers directory
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1044-0-0x0000000073A20000-0x000000007410E000-memory.dmp
memory/1044-1-0x0000000001000000-0x0000000001001000-memory.dmp
memory/1044-3-0x00000000003F0000-0x00000000003F4000-memory.dmp
memory/1044-4-0x00000000052D0000-0x0000000005348000-memory.dmp
memory/1044-5-0x0000000000970000-0x00000000009E2000-memory.dmp
memory/1848-6-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1848-8-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1848-9-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1848-10-0x0000000073A20000-0x000000007410E000-memory.dmp