Analysis
- max time kernel
146s - max time network
19s - platform
windows7_x64 - resource
win7v200722 - submitted
07/08/2020, 13:22
General
- Target Offer10089885_BMElectricalWholesaleLtd_08_06_2020.exe
- Size 772KB
- Sample200807-b53asbhfgn
- SHA256 5b22e67e78286d02af1eda50011ede35eb6fc63454b7f4ee234eb714250c365f
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.safigroup.com.tr
-
Port
587
-
Username
-
Password
akman472
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 4 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.
- Adds Run key to start application 2 TTPs 1 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 5 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Offer10089885_BMElectricalWholesaleLtd_08_06_2020.exe"C:\Users\Admin\AppData\Local\Temp\Offer10089885_BMElectricalWholesaleLtd_08_06_2020.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\AddInProcess32.exe"C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- 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/1620-0-0x0000000074650000-0x0000000074D3E000-memory.dmp
memory/1620-1-0x00000000008C0000-0x00000000008C1000-memory.dmp
memory/1620-3-0x0000000000240000-0x000000000024F000-memory.dmp
memory/1620-4-0x00000000003C0000-0x00000000003C3000-memory.dmp
memory/1832-6-0x0000000000400000-0x000000000045A000-memory.dmp
memory/1832-9-0x0000000000400000-0x000000000045A000-memory.dmp
memory/1832-10-0x0000000000400000-0x000000000045A000-memory.dmp
memory/1832-12-0x0000000074650000-0x0000000074D3E000-memory.dmp