Analysis
- max time kernel
150s - max time network
151s - platform
windows7_x64 - resource
win7v20201028 - submitted
06/03/2021, 00:25
General
- Target MV. HH PIONEER - HONGDA.exe
- Size 955KB
- Sample210306-2hvhee24qa
- SHA256 a8acff53e54f7454fd6dec6954f1505ec159f549f878a79f35d4cd5f512c09fd
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.hyshippingcn.com
-
Port
587
-
Username
-
Password
e*u@qkS4
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 3 IoCs
- Executes dropped EXE 1 IoCs
- Loads dropped DLL 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.
- Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 12 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\MV. HH PIONEER - HONGDA.exe"C:\Users\Admin\AppData\Local\Temp\MV. HH PIONEER - HONGDA.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/368-13-0x0000000000400000-0x000000000043C000-memory.dmp
memory/368-21-0x0000000001F41000-0x0000000001F42000-memory.dmp
memory/368-20-0x0000000001F40000-0x0000000001F41000-memory.dmp
memory/368-18-0x0000000000400000-0x000000000043C000-memory.dmp
memory/368-17-0x0000000073D30000-0x000000007441E000-memory.dmp
memory/892-8-0x0000000000990000-0x0000000000991000-memory.dmp
memory/892-12-0x0000000004B41000-0x0000000004B42000-memory.dmp
memory/892-10-0x0000000004520000-0x0000000004521000-memory.dmp
memory/892-9-0x0000000004120000-0x000000000412B000-memory.dmp
memory/892-2-0x0000000073D30000-0x000000007441E000-memory.dmp
memory/892-7-0x0000000000930000-0x000000000094E000-memory.dmp
memory/892-5-0x0000000004B40000-0x0000000004B41000-memory.dmp
memory/892-3-0x00000000009C0000-0x00000000009C1000-memory.dmp