Analysis Overview
SHA256
633defdc371a3cfd3641fd09c17ed6c0c9b8634ddb8d2de5c24a9393ac37e05a
Threat Level: Known bad
The file 633defdc371a3cfd3641fd09c17ed6c0c9b8634ddb8d2de5c24a9393ac37e05a.exe was found to be: Known bad.
Malicious Activity Summary
Formbook
Formbook payload
Suspicious use of SetThreadContext
AutoIT Executable
System Location Discovery: System Language Discovery
Program crash
Unsigned PE
Suspicious use of FindShellTrayWindow
Modifies registry class
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of SendNotifyMessage
Suspicious behavior: MapViewOfSection
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-29 15:21
Signatures
AutoIT Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-29 15:21
Reported
2024-08-29 15:23
Platform
win7-20240708-en
Max time kernel
140s
Max time network
17s
Command Line
Signatures
Formbook
Formbook 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 |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1048 set thread context of 2272 | N/A | C:\Users\Admin\AppData\Local\Temp\633defdc371a3cfd3641fd09c17ed6c0c9b8634ddb8d2de5c24a9393ac37e05a.exe | C:\Windows\SysWOW64\svchost.exe |
| PID 2272 set thread context of 1208 | N/A | C:\Windows\SysWOW64\svchost.exe | C:\Windows\Explorer.EXE |
| PID 2272 set thread context of 1208 | N/A | C:\Windows\SysWOW64\svchost.exe | C:\Windows\Explorer.EXE |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\msiexec.exe |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\633defdc371a3cfd3641fd09c17ed6c0c9b8634ddb8d2de5c24a9393ac37e05a.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\svchost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\msiexec.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\svchost.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\svchost.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\svchost.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\633defdc371a3cfd3641fd09c17ed6c0c9b8634ddb8d2de5c24a9393ac37e05a.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\svchost.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\svchost.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\svchost.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\svchost.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\svchost.exe | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\Explorer.EXE | N/A |
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Processes
C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
C:\Users\Admin\AppData\Local\Temp\633defdc371a3cfd3641fd09c17ed6c0c9b8634ddb8d2de5c24a9393ac37e05a.exe
"C:\Users\Admin\AppData\Local\Temp\633defdc371a3cfd3641fd09c17ed6c0c9b8634ddb8d2de5c24a9393ac37e05a.exe"
C:\Windows\SysWOW64\svchost.exe
"C:\Users\Admin\AppData\Local\Temp\633defdc371a3cfd3641fd09c17ed6c0c9b8634ddb8d2de5c24a9393ac37e05a.exe"
C:\Windows\SysWOW64\msiexec.exe
"C:\Windows\SysWOW64\msiexec.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2988 -s 268
Network
Files
memory/1048-11-0x0000000000240000-0x0000000000244000-memory.dmp
memory/2272-12-0x0000000000400000-0x000000000042F000-memory.dmp
memory/2272-13-0x0000000000760000-0x0000000000A63000-memory.dmp
memory/1208-17-0x00000000043D0000-0x000000000448C000-memory.dmp
memory/2272-16-0x00000000001D0000-0x00000000001E4000-memory.dmp
memory/2272-15-0x0000000000400000-0x000000000042F000-memory.dmp
memory/2272-20-0x0000000000260000-0x0000000000274000-memory.dmp
memory/2272-19-0x0000000000400000-0x000000000042F000-memory.dmp
memory/1208-21-0x0000000004FE0000-0x000000000516D000-memory.dmp
memory/1208-22-0x00000000043D0000-0x000000000448C000-memory.dmp
memory/2988-24-0x0000000000820000-0x0000000000834000-memory.dmp
memory/2988-23-0x0000000000820000-0x0000000000834000-memory.dmp
memory/2988-26-0x0000000000820000-0x0000000000834000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-29 15:21
Reported
2024-08-29 15:23
Platform
win10v2004-20240802-en
Max time kernel
149s
Max time network
148s
Command Line
Signatures
Formbook
Formbook 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 |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4276 set thread context of 772 | N/A | C:\Users\Admin\AppData\Local\Temp\633defdc371a3cfd3641fd09c17ed6c0c9b8634ddb8d2de5c24a9393ac37e05a.exe | C:\Windows\SysWOW64\svchost.exe |
| PID 772 set thread context of 3400 | N/A | C:\Windows\SysWOW64\svchost.exe | C:\Windows\Explorer.EXE |
| PID 772 set thread context of 3400 | N/A | C:\Windows\SysWOW64\svchost.exe | C:\Windows\Explorer.EXE |
| PID 8 set thread context of 3400 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\Explorer.EXE |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\cmd.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\633defdc371a3cfd3641fd09c17ed6c0c9b8634ddb8d2de5c24a9393ac37e05a.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\rundll32.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ | C:\Windows\Explorer.EXE | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ | C:\Windows\Explorer.EXE | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\633defdc371a3cfd3641fd09c17ed6c0c9b8634ddb8d2de5c24a9393ac37e05a.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\633defdc371a3cfd3641fd09c17ed6c0c9b8634ddb8d2de5c24a9393ac37e05a.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\svchost.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\svchost.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\svchost.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\svchost.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\svchost.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Explorer.EXE | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
C:\Users\Admin\AppData\Local\Temp\633defdc371a3cfd3641fd09c17ed6c0c9b8634ddb8d2de5c24a9393ac37e05a.exe
"C:\Users\Admin\AppData\Local\Temp\633defdc371a3cfd3641fd09c17ed6c0c9b8634ddb8d2de5c24a9393ac37e05a.exe"
C:\Windows\SysWOW64\svchost.exe
"C:\Users\Admin\AppData\Local\Temp\633defdc371a3cfd3641fd09c17ed6c0c9b8634ddb8d2de5c24a9393ac37e05a.exe"
C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\SysWOW64\rundll32.exe"
C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\SysWOW64\svchost.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 150.171.27.10:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 10.27.171.150.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 17.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | www.17tk555t.com | udp |
| HK | 43.198.117.70:80 | www.17tk555t.com | tcp |
| US | 8.8.8.8:53 | 70.117.198.43.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | www.koumimi.tech | udp |
| US | 8.8.8.8:53 | www.rovor.store | udp |
| US | 3.33.130.190:80 | www.rovor.store | tcp |
| US | 8.8.8.8:53 | 190.130.33.3.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | www.rtp1kenzototo.com | udp |
| US | 104.21.12.95:80 | www.rtp1kenzototo.com | tcp |
| US | 8.8.8.8:53 | 95.12.21.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | www.betbox2341.com | udp |
| US | 8.8.8.8:53 | www.per-watch.com | udp |
Files
memory/4276-11-0x00000000014F0000-0x00000000014F4000-memory.dmp
memory/772-12-0x0000000000640000-0x000000000066F000-memory.dmp
memory/772-15-0x0000000001000000-0x000000000134A000-memory.dmp
memory/772-16-0x0000000000640000-0x000000000066F000-memory.dmp
memory/772-17-0x0000000001530000-0x0000000001544000-memory.dmp
memory/3400-18-0x0000000008850000-0x00000000089B1000-memory.dmp
memory/3400-22-0x00000000078E0000-0x000000000799B000-memory.dmp
memory/772-21-0x0000000002E10000-0x0000000002E24000-memory.dmp
memory/772-20-0x0000000000640000-0x000000000066F000-memory.dmp
memory/8-23-0x0000000000820000-0x0000000000834000-memory.dmp
memory/3400-24-0x0000000008850000-0x00000000089B1000-memory.dmp
memory/8-26-0x0000000000820000-0x0000000000834000-memory.dmp
memory/8-27-0x00000000007B0000-0x00000000007DF000-memory.dmp
memory/3400-28-0x00000000078E0000-0x000000000799B000-memory.dmp
memory/3400-31-0x0000000008D00000-0x0000000008E3C000-memory.dmp
memory/3400-33-0x0000000008D00000-0x0000000008E3C000-memory.dmp
memory/3400-34-0x0000000008D00000-0x0000000008E3C000-memory.dmp