Analysis
- max time kernel
120s - max time network
127s - platform
windows10_x64 - resource
win10 - 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 2 IoCs
- Executes dropped EXE 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 8 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⤵
- 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/3832-1-0x0000000000600000-0x0000000000601000-memory.dmp
memory/3832-3-0x0000000001020000-0x000000000102F000-memory.dmp
memory/3832-4-0x0000000005B40000-0x0000000005B41000-memory.dmp
memory/3832-5-0x0000000005720000-0x0000000005721000-memory.dmp
memory/3832-6-0x00000000051D0000-0x00000000051D3000-memory.dmp
memory/3832-0-0x0000000073AE0000-0x00000000741CE000-memory.dmp
memory/3908-11-0x0000000073AE0000-0x00000000741CE000-memory.dmp
memory/3908-12-0x0000000000160000-0x00000000001BA000-memory.dmp
memory/3908-15-0x0000000004A80000-0x0000000004A81000-memory.dmp
memory/3908-16-0x0000000004A60000-0x0000000004A61000-memory.dmp
memory/3908-17-0x0000000005630000-0x0000000005631000-memory.dmp
memory/3908-19-0x0000000005970000-0x0000000005971000-memory.dmp