Analysis Overview
SHA256
bbfd3959ef22e9fa18ed11cbc9b8f31ac36e86f0d055d2c57b81ee19f9c54175
Threat Level: Known bad
The file duk (3).exe was found to be: Known bad.
Malicious Activity Summary
Snakebot family
CoreEntity .NET Packer
NanoCore
AgentTesla
rezer0
AgentTesla Payload
Contains SnakeBOT related strings
Drops file in Drivers directory
Disables Task Manager via registry modification
Suspicious use of SetThreadContext
Program crash
Suspicious use of SetWindowsHookEx
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Modifies registry key
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2020-11-09 19:37
Signatures
Snakebot family
Contains SnakeBOT related strings
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2020-11-09 19:37
Reported
2020-11-09 22:06
Platform
win7v20201028
Max time kernel
55s
Max time network
24s
Command Line
Signatures
AgentTesla
CoreEntity .NET Packer
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
AgentTesla Payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
rezer0
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Disables Task Manager via registry modification
Drops file in Drivers directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\system32\drivers\etc\hosts | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 596 set thread context of 1708 | N/A | C:\Users\Admin\AppData\Local\Temp\duk (3).exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe |
Modifies registry key
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\REG.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\duk (3).exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\duk (3).exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\duk (3).exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\duk (3).exe
"C:\Users\Admin\AppData\Local\Temp\duk (3).exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
C:\Windows\SysWOW64\REG.exe
REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableTaskMgr /t REG_DWORD /d 1 /f
C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
Network
Files
memory/596-0-0x0000000074CC0000-0x00000000753AE000-memory.dmp
memory/596-1-0x0000000000B80000-0x0000000000B81000-memory.dmp
memory/1960-3-0x000007FEF7E50000-0x000007FEF80CA000-memory.dmp
memory/596-4-0x0000000000890000-0x0000000000893000-memory.dmp
memory/596-5-0x0000000008080000-0x00000000080D1000-memory.dmp
memory/1708-6-0x0000000000400000-0x0000000000450000-memory.dmp
memory/1708-7-0x000000000044AC5E-mapping.dmp
memory/1708-8-0x0000000000400000-0x0000000000450000-memory.dmp
memory/1708-9-0x0000000000400000-0x0000000000450000-memory.dmp
memory/1708-10-0x0000000074CC0000-0x00000000753AE000-memory.dmp
memory/616-13-0x0000000000000000-mapping.dmp
memory/1624-14-0x0000000000000000-mapping.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2020-11-09 19:37
Reported
2020-11-09 22:06
Platform
win10v20201028
Max time kernel
66s
Max time network
128s
Command Line
Signatures
AgentTesla
CoreEntity .NET Packer
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
NanoCore
AgentTesla Payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
rezer0
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Disables Task Manager via registry modification
Drops file in Drivers directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\system32\drivers\etc\hosts | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1100 set thread context of 2448 | N/A | C:\Users\Admin\AppData\Local\Temp\duk (3).exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe |
Modifies registry key
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\REG.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\duk (3).exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
| Token: SeRestorePrivilege | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| Token: SeBackupPrivilege | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\duk (3).exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\duk (3).exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\duk (3).exe
"C:\Users\Admin\AppData\Local\Temp\duk (3).exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
C:\Windows\SysWOW64\REG.exe
REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableTaskMgr /t REG_DWORD /d 1 /f
C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2448 -s 1524
Network
| Country | Destination | Domain | Proto |
| N/A | 8.8.8.8:53 | www.google.com.br | udp |
| N/A | 172.217.19.195:443 | www.google.com.br | tcp |
| N/A | 13.107.4.52:80 | www.msftconnecttest.com | tcp |
Files
memory/1100-0-0x0000000073CB0000-0x000000007439E000-memory.dmp
memory/1100-1-0x0000000000020000-0x0000000000021000-memory.dmp
memory/1100-3-0x0000000007260000-0x0000000007261000-memory.dmp
memory/1100-4-0x0000000006E00000-0x0000000006E01000-memory.dmp
memory/1100-5-0x0000000006DB0000-0x0000000006DB1000-memory.dmp
memory/1100-6-0x0000000002350000-0x0000000002353000-memory.dmp
memory/1100-7-0x000000000A5D0000-0x000000000A621000-memory.dmp
memory/1100-8-0x000000000A6E0000-0x000000000A6E1000-memory.dmp
memory/2448-9-0x0000000000400000-0x0000000000450000-memory.dmp
memory/2448-10-0x000000000044AC5E-mapping.dmp
memory/2448-11-0x0000000073CB0000-0x000000007439E000-memory.dmp
memory/2448-16-0x0000000004E00000-0x0000000004E01000-memory.dmp
memory/2448-17-0x00000000059D0000-0x00000000059D1000-memory.dmp
memory/1124-18-0x0000000000000000-mapping.dmp
memory/3100-19-0x0000000000000000-mapping.dmp
memory/3052-20-0x0000000004550000-0x0000000004551000-memory.dmp
memory/2448-22-0x000000000044AC5E-mapping.dmp
memory/2448-21-0x000000000044AC5E-mapping.dmp
memory/2448-23-0x000000000044AC5E-mapping.dmp
memory/2448-25-0x000000000044AC5E-mapping.dmp
memory/2448-24-0x000000000044AC5E-mapping.dmp
memory/2448-26-0x000000000044AC5E-mapping.dmp
memory/2448-33-0x000000000044AC5E-mapping.dmp
memory/2448-32-0x000000000044AC5E-mapping.dmp
memory/2448-31-0x000000000044AC5E-mapping.dmp
memory/2448-30-0x000000000044AC5E-mapping.dmp
memory/2448-34-0x000000000044AC5E-mapping.dmp
memory/2448-29-0x000000000044AC5E-mapping.dmp
memory/2448-28-0x000000000044AC5E-mapping.dmp
memory/2448-27-0x000000000044AC5E-mapping.dmp
memory/3052-35-0x0000000004D80000-0x0000000004D81000-memory.dmp