Analysis
- max time kernel
150s - max time network
14s - platform
windows7_x64 - resource
win7v20210408 - submitted
02/08/2021, 13:36
General
- Target PO#2042020.exe
- Size 1.4MB
- Sample210802-31ex7e2cnn
- SHA256 807414adf7f3cb81f4b34edbe8c2ef5643c6f1dd780cefceedf07acad0989f8e
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
us2.smtp.mailhostbox.com
-
Port
587
-
Username
-
Password
22june1969
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 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\PO#2042020.exe"C:\Users\Admin\AppData\Local\Temp\PO#2042020.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\PO#2042020.exe"C:\Users\Admin\AppData\Local\Temp\PO#2042020.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1028-66-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1028-68-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1028-70-0x0000000000AE0000-0x0000000000AE1000-memory.dmp
memory/1028-71-0x0000000000AE1000-0x0000000000AE2000-memory.dmp
memory/1652-60-0x0000000001170000-0x0000000001171000-memory.dmp
memory/1652-62-0x00000000010C0000-0x00000000010C1000-memory.dmp
memory/1652-63-0x00000000008D0000-0x00000000008DD000-memory.dmp
memory/1652-64-0x0000000008FF0000-0x0000000009087000-memory.dmp
memory/1652-65-0x0000000001060000-0x0000000001098000-memory.dmp