Analysis
- max time kernel
122s - max time network
151s - platform
windows10_x64 - resource
win10 - submitted
18/08/2020, 11:47
General
- Target hY7METwPlF7Yk8p.exe
- Size 603KB
- Sample200818-5p2fcf7kve
- SHA256 b762913bb02e0e7f3b2dd7be4b813923fbb0389e699d2b6f846bfecad6c8c72a
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 3 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.
- 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 11 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\hY7METwPlF7Yk8p.exe"C:\Users\Admin\AppData\Local\Temp\hY7METwPlF7Yk8p.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\hY7METwPlF7Yk8p.exe"C:\Users\Admin\AppData\Local\Temp\hY7METwPlF7Yk8p.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\hY7METwPlF7Yk8p.exe"C:\Users\Admin\AppData\Local\Temp\hY7METwPlF7Yk8p.exe"2⤵
- 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/3892-5-0x0000000005690000-0x0000000005691000-memory.dmp
memory/3892-9-0x0000000006410000-0x000000000648F000-memory.dmp
memory/3892-4-0x0000000005B90000-0x0000000005B91000-memory.dmp
memory/3892-0-0x0000000073BA0000-0x000000007428E000-memory.dmp
memory/3892-6-0x0000000005590000-0x0000000005591000-memory.dmp
memory/3892-7-0x0000000005880000-0x0000000005881000-memory.dmp
memory/3892-3-0x00000000055F0000-0x00000000055F1000-memory.dmp
memory/3892-1-0x0000000000CE0000-0x0000000000CE1000-memory.dmp
memory/3892-8-0x00000000055E0000-0x00000000055E3000-memory.dmp
memory/3892-10-0x0000000006490000-0x00000000064E7000-memory.dmp
memory/3928-11-0x0000000000400000-0x000000000044C000-memory.dmp
memory/3928-14-0x0000000073BA0000-0x000000007428E000-memory.dmp
memory/3928-19-0x0000000005170000-0x0000000005171000-memory.dmp
memory/3928-20-0x0000000005D40000-0x0000000005D41000-memory.dmp