Analysis
- max time kernel
95s - max time network
110s - platform
windows10_x64 - resource
win10v20201028 - submitted
09/11/2020, 20:56
General
- Target Ch2sZ3JEobY0pea.exe
- Size 413KB
- Sample201109-8ws46pd2ma
- SHA256 3f8c2a8d34d7d3f61451ea1beb9d9671cc50aa2cbe39d700a08d0215b8b7163b
Malware Config
Extracted
-
Protocol
smtp
-
Host
smtp.lettu.us
-
Port
587
-
Username
-
Password
western2020@
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 2 IoCs
- rezer0 1 IoCs
Detects ReZer0, a packer with multiple versions used in various campaigns.
- 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.
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Ch2sZ3JEobY0pea.exe"C:\Users\Admin\AppData\Local\Temp\Ch2sZ3JEobY0pea.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Ch2sZ3JEobY0pea.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/1056-4-0x0000000002DE0000-0x0000000002DEB000-memory.dmp
memory/1056-3-0x00000000052E0000-0x00000000052E1000-memory.dmp
memory/1056-0-0x0000000073BE0000-0x00000000742CE000-memory.dmp
memory/1056-5-0x0000000005420000-0x0000000005421000-memory.dmp
memory/1056-6-0x0000000005990000-0x00000000059DE000-memory.dmp
memory/1056-7-0x0000000006160000-0x0000000006161000-memory.dmp
memory/1056-1-0x0000000000A90000-0x0000000000A91000-memory.dmp
memory/2720-8-0x0000000000400000-0x000000000044C000-memory.dmp
memory/2720-11-0x0000000073BF0000-0x00000000742DE000-memory.dmp
memory/2720-16-0x00000000059C0000-0x00000000059C1000-memory.dmp
memory/2720-17-0x0000000005FA0000-0x0000000005FA1000-memory.dmp
memory/2720-19-0x0000000006740000-0x0000000006741000-memory.dmp