Analysis Overview
SHA256
c69a9adf7333a5098d91be899802e6f0e77de4d1be8d11363dccd0fc830311c5
Threat Level: Known bad
The file ken.exe was found to be: Known bad.
Malicious Activity Summary
Buer
Modifies WinLogon for persistence
Buer Loader
Executes dropped EXE
Loads dropped DLL
Suspicious use of SetThreadContext
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2020-08-10 11:39
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2020-08-10 11:39
Reported
2020-08-10 11:42
Platform
win7
Max time kernel
127s
Max time network
70s
Command Line
Signatures
Buer
Buer Loader
| 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 |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\442665b0da518c45c03d\gennt.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ken.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ken.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 900 set thread context of 1864 | N/A | C:\Users\Admin\AppData\Local\Temp\ken.exe | C:\Users\Admin\AppData\Local\Temp\ken.exe |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\ken.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\ken.exe
"C:\Users\Admin\AppData\Local\Temp\ken.exe"
C:\Users\Admin\AppData\Local\Temp\ken.exe
C:\Users\Admin\AppData\Local\Temp\ken.exe
C:\ProgramData\442665b0da518c45c03d\gennt.exe
C:\ProgramData\442665b0da518c45c03d\gennt.exe "C:\Users\Admin\AppData\Local\Temp\ken.exe" ensgJJ
Network
Files
memory/1864-0-0x0000000040000000-0x000000004000C000-memory.dmp
memory/1864-1-0x0000000040003030-mapping.dmp
memory/1864-2-0x0000000040000000-0x000000004000C000-memory.dmp
\ProgramData\442665b0da518c45c03d\gennt.exe
| MD5 | 14e0e1a26f0e29171486cb2feb89fc3e |
| SHA1 | cb3f2b4e3f5060088c6158f4b6c5b6d627f68a20 |
| SHA256 | c69a9adf7333a5098d91be899802e6f0e77de4d1be8d11363dccd0fc830311c5 |
| SHA512 | 12ea8bb6bdcc809a2ba46a33cb69e4535af3a5ba9750179cf1a8f050ae1e3f0ea544000d504a2318c8d22e297eaa466f7977c593f3d00ec2c24276e66abd8430 |
\ProgramData\442665b0da518c45c03d\gennt.exe
| MD5 | 14e0e1a26f0e29171486cb2feb89fc3e |
| SHA1 | cb3f2b4e3f5060088c6158f4b6c5b6d627f68a20 |
| SHA256 | c69a9adf7333a5098d91be899802e6f0e77de4d1be8d11363dccd0fc830311c5 |
| SHA512 | 12ea8bb6bdcc809a2ba46a33cb69e4535af3a5ba9750179cf1a8f050ae1e3f0ea544000d504a2318c8d22e297eaa466f7977c593f3d00ec2c24276e66abd8430 |
memory/1536-5-0x0000000000000000-mapping.dmp
C:\ProgramData\442665b0da518c45c03d\gennt.exe
| MD5 | 14e0e1a26f0e29171486cb2feb89fc3e |
| SHA1 | cb3f2b4e3f5060088c6158f4b6c5b6d627f68a20 |
| SHA256 | c69a9adf7333a5098d91be899802e6f0e77de4d1be8d11363dccd0fc830311c5 |
| SHA512 | 12ea8bb6bdcc809a2ba46a33cb69e4535af3a5ba9750179cf1a8f050ae1e3f0ea544000d504a2318c8d22e297eaa466f7977c593f3d00ec2c24276e66abd8430 |
C:\ProgramData\442665b0da518c45c03d\gennt.exe
| MD5 | 14e0e1a26f0e29171486cb2feb89fc3e |
| SHA1 | cb3f2b4e3f5060088c6158f4b6c5b6d627f68a20 |
| SHA256 | c69a9adf7333a5098d91be899802e6f0e77de4d1be8d11363dccd0fc830311c5 |
| SHA512 | 12ea8bb6bdcc809a2ba46a33cb69e4535af3a5ba9750179cf1a8f050ae1e3f0ea544000d504a2318c8d22e297eaa466f7977c593f3d00ec2c24276e66abd8430 |
Analysis: behavioral2
Detonation Overview
Submitted
2020-08-10 11:39
Reported
2020-08-10 11:42
Platform
win10
Max time kernel
141s
Max time network
117s
Command Line
Signatures
Buer
Modifies WinLogon for persistence
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\ProgramData\\92c31ebae0ab671de163\\gennt.exe\"" | C:\ProgramData\92c31ebae0ab671de163\gennt.exe | N/A |
Buer Loader
| 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 |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\92c31ebae0ab671de163\gennt.exe | N/A |
| N/A | N/A | C:\ProgramData\92c31ebae0ab671de163\gennt.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3888 set thread context of 3820 | N/A | C:\Users\Admin\AppData\Local\Temp\ken.exe | C:\Users\Admin\AppData\Local\Temp\ken.exe |
| PID 3708 set thread context of 568 | N/A | C:\ProgramData\92c31ebae0ab671de163\gennt.exe | C:\ProgramData\92c31ebae0ab671de163\gennt.exe |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\ken.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\ProgramData\92c31ebae0ab671de163\gennt.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\ken.exe
"C:\Users\Admin\AppData\Local\Temp\ken.exe"
C:\Users\Admin\AppData\Local\Temp\ken.exe
C:\Users\Admin\AppData\Local\Temp\ken.exe
C:\ProgramData\92c31ebae0ab671de163\gennt.exe
C:\ProgramData\92c31ebae0ab671de163\gennt.exe "C:\Users\Admin\AppData\Local\Temp\ken.exe" ensgJJ
C:\ProgramData\92c31ebae0ab671de163\gennt.exe
C:\ProgramData\92c31ebae0ab671de163\gennt.exe
C:\Windows\SysWOW64\secinit.exe
C:\ProgramData\92c31ebae0ab671de163\gennt.exe
Network
Files
memory/3820-0-0x0000000040000000-0x000000004000C000-memory.dmp
memory/3820-1-0x0000000040003030-mapping.dmp
memory/3820-2-0x0000000040000000-0x000000004000C000-memory.dmp
memory/3708-3-0x0000000000000000-mapping.dmp
C:\ProgramData\92c31ebae0ab671de163\gennt.exe
| MD5 | 14e0e1a26f0e29171486cb2feb89fc3e |
| SHA1 | cb3f2b4e3f5060088c6158f4b6c5b6d627f68a20 |
| SHA256 | c69a9adf7333a5098d91be899802e6f0e77de4d1be8d11363dccd0fc830311c5 |
| SHA512 | 12ea8bb6bdcc809a2ba46a33cb69e4535af3a5ba9750179cf1a8f050ae1e3f0ea544000d504a2318c8d22e297eaa466f7977c593f3d00ec2c24276e66abd8430 |
C:\ProgramData\92c31ebae0ab671de163\gennt.exe
| MD5 | 14e0e1a26f0e29171486cb2feb89fc3e |
| SHA1 | cb3f2b4e3f5060088c6158f4b6c5b6d627f68a20 |
| SHA256 | c69a9adf7333a5098d91be899802e6f0e77de4d1be8d11363dccd0fc830311c5 |
| SHA512 | 12ea8bb6bdcc809a2ba46a33cb69e4535af3a5ba9750179cf1a8f050ae1e3f0ea544000d504a2318c8d22e297eaa466f7977c593f3d00ec2c24276e66abd8430 |
memory/568-7-0x0000000040003030-mapping.dmp
C:\ProgramData\92c31ebae0ab671de163\gennt.exe
| MD5 | 14e0e1a26f0e29171486cb2feb89fc3e |
| SHA1 | cb3f2b4e3f5060088c6158f4b6c5b6d627f68a20 |
| SHA256 | c69a9adf7333a5098d91be899802e6f0e77de4d1be8d11363dccd0fc830311c5 |
| SHA512 | 12ea8bb6bdcc809a2ba46a33cb69e4535af3a5ba9750179cf1a8f050ae1e3f0ea544000d504a2318c8d22e297eaa466f7977c593f3d00ec2c24276e66abd8430 |