saintbot | fa1bc7d6f03a49af50f7153814a078a32f24f353c9cb2b8e3f329888f2b37a6e

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\Control Panel\International\Geo\Nation	fa1bc7d6f03a49af50f7153814a078a32f24f353c9cb2b8e3f329888f2b37a6e.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\57284.exe	fa1bc7d6f03a49af50f7153814a078a32f24f353c9cb2b8e3f329888f2b37a6e.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\57284.exe	57284.exe

Executes dropped EXE 2 IoCs

pid	Process
3868	57284.exe
3148	57284.exe

Loads dropped DLL 2 IoCs

pid	Process
3148	57284.exe
4544	dfrgui.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ = "C:\\Users\\Admin\\AppData\\Local\\zzAdmin\\Admin.vbs"	dfrgui.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Maps connected drives based on registry 3 TTPs 6 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

Peripheral Device Discovery

T1120

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\start /b "" cmd /c del "%~f0"&exit /b	fa1bc7d6f03a49af50f7153814a078a32f24f353c9cb2b8e3f329888f2b37a6e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum	57284.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\start /b "" cmd /c del "%~f0"&exit /b	57284.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum	dfrgui.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\start /b "" cmd /c del "%~f0"&exit /b	dfrgui.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum	fa1bc7d6f03a49af50f7153814a078a32f24f353c9cb2b8e3f329888f2b37a6e.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\dfrgui.exe	dfrgui.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4420 set thread context of 2580	4420	fa1bc7d6f03a49af50f7153814a078a32f24f353c9cb2b8e3f329888f2b37a6e.exe	97
PID 3868 set thread context of 3148	3868	57284.exe	103

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	dfrgui.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	dfrgui.exe

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

pid	Process
1884	schtasks.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1836	PING.EXE

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
4420	fa1bc7d6f03a49af50f7153814a078a32f24f353c9cb2b8e3f329888f2b37a6e.exe
4420	fa1bc7d6f03a49af50f7153814a078a32f24f353c9cb2b8e3f329888f2b37a6e.exe
4420	fa1bc7d6f03a49af50f7153814a078a32f24f353c9cb2b8e3f329888f2b37a6e.exe
4420	fa1bc7d6f03a49af50f7153814a078a32f24f353c9cb2b8e3f329888f2b37a6e.exe
3868	57284.exe
3868	57284.exe
3868	57284.exe
3868	57284.exe
3148	57284.exe
3148	57284.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4420	fa1bc7d6f03a49af50f7153814a078a32f24f353c9cb2b8e3f329888f2b37a6e.exe
Token: SeDebugPrivilege	3868	57284.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 4420 wrote to memory of 2580	4420	fa1bc7d6f03a49af50f7153814a078a32f24f353c9cb2b8e3f329888f2b37a6e.exe	97
PID 4420 wrote to memory of 2580	4420	fa1bc7d6f03a49af50f7153814a078a32f24f353c9cb2b8e3f329888f2b37a6e.exe	97
PID 4420 wrote to memory of 2580	4420	fa1bc7d6f03a49af50f7153814a078a32f24f353c9cb2b8e3f329888f2b37a6e.exe	97
PID 4420 wrote to memory of 2580	4420	fa1bc7d6f03a49af50f7153814a078a32f24f353c9cb2b8e3f329888f2b37a6e.exe	97
PID 4420 wrote to memory of 2580	4420	fa1bc7d6f03a49af50f7153814a078a32f24f353c9cb2b8e3f329888f2b37a6e.exe	97
PID 4420 wrote to memory of 2580	4420	fa1bc7d6f03a49af50f7153814a078a32f24f353c9cb2b8e3f329888f2b37a6e.exe	97
PID 4420 wrote to memory of 2580	4420	fa1bc7d6f03a49af50f7153814a078a32f24f353c9cb2b8e3f329888f2b37a6e.exe	97
PID 4420 wrote to memory of 2580	4420	fa1bc7d6f03a49af50f7153814a078a32f24f353c9cb2b8e3f329888f2b37a6e.exe	97
PID 4420 wrote to memory of 2580	4420	fa1bc7d6f03a49af50f7153814a078a32f24f353c9cb2b8e3f329888f2b37a6e.exe	97
PID 4420 wrote to memory of 2580	4420	fa1bc7d6f03a49af50f7153814a078a32f24f353c9cb2b8e3f329888f2b37a6e.exe	97
PID 2580 wrote to memory of 3868	2580	fa1bc7d6f03a49af50f7153814a078a32f24f353c9cb2b8e3f329888f2b37a6e.exe	98
PID 2580 wrote to memory of 3868	2580	fa1bc7d6f03a49af50f7153814a078a32f24f353c9cb2b8e3f329888f2b37a6e.exe	98
PID 2580 wrote to memory of 3868	2580	fa1bc7d6f03a49af50f7153814a078a32f24f353c9cb2b8e3f329888f2b37a6e.exe	98
PID 2580 wrote to memory of 4764	2580	fa1bc7d6f03a49af50f7153814a078a32f24f353c9cb2b8e3f329888f2b37a6e.exe	99
PID 2580 wrote to memory of 4764	2580	fa1bc7d6f03a49af50f7153814a078a32f24f353c9cb2b8e3f329888f2b37a6e.exe	99
PID 2580 wrote to memory of 4764	2580	fa1bc7d6f03a49af50f7153814a078a32f24f353c9cb2b8e3f329888f2b37a6e.exe	99
PID 4764 wrote to memory of 1836	4764	cmd.exe	101
PID 4764 wrote to memory of 1836	4764	cmd.exe	101
PID 4764 wrote to memory of 1836	4764	cmd.exe	101
PID 4764 wrote to memory of 4656	4764	cmd.exe	102
PID 4764 wrote to memory of 4656	4764	cmd.exe	102
PID 4764 wrote to memory of 4656	4764	cmd.exe	102
PID 3868 wrote to memory of 3148	3868	57284.exe	103
PID 3868 wrote to memory of 3148	3868	57284.exe	103
PID 3868 wrote to memory of 3148	3868	57284.exe	103
PID 3868 wrote to memory of 3148	3868	57284.exe	103
PID 3868 wrote to memory of 3148	3868	57284.exe	103
PID 3868 wrote to memory of 3148	3868	57284.exe	103
PID 3868 wrote to memory of 3148	3868	57284.exe	103
PID 3868 wrote to memory of 3148	3868	57284.exe	103
PID 3868 wrote to memory of 3148	3868	57284.exe	103
PID 3868 wrote to memory of 3148	3868	57284.exe	103
PID 3148 wrote to memory of 4544	3148	57284.exe	104
PID 3148 wrote to memory of 4544	3148	57284.exe	104
PID 3148 wrote to memory of 4544	3148	57284.exe	104
PID 3148 wrote to memory of 4544	3148	57284.exe	104
PID 4544 wrote to memory of 1884	4544	dfrgui.exe	105
PID 4544 wrote to memory of 1884	4544	dfrgui.exe	105
PID 4544 wrote to memory of 1884	4544	dfrgui.exe	105

C:\Users\Admin\AppData\Local\Temp\fa1bc7d6f03a49af50f7153814a078a32f24f353c9cb2b8e3f329888f2b37a6e.exe
"C:\Users\Admin\AppData\Local\Temp\fa1bc7d6f03a49af50f7153814a078a32f24f353c9cb2b8e3f329888f2b37a6e.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4420
- C:\Users\Admin\AppData\Local\Temp\fa1bc7d6f03a49af50f7153814a078a32f24f353c9cb2b8e3f329888f2b37a6e.exe
  "C:\Users\Admin\AppData\Local\Temp\fa1bc7d6f03a49af50f7153814a078a32f24f353c9cb2b8e3f329888f2b37a6e.exe"
  2⤵
  - Checks computer location settings
  - Drops startup file
  - Maps connected drives based on registry
  - Suspicious use of WriteProcessMemory
  PID:2580
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\57284.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\57284.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:3868
  - - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\57284.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\57284.exe"
      4⤵
      Drops startup file
      Executes dropped EXE
      Loads dropped DLL
      Maps connected drives based on registry
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of WriteProcessMemory
      PID:3148
    - - C:\Windows\SysWOW64\dfrgui.exe
        
        "C:\Windows\system32\dfrgui.exe"
        5⤵
        Loads dropped DLL
        Adds Run key to start application
        Maps connected drives based on registry
        Drops file in System32 directory
        Checks processor information in registry
        Suspicious use of WriteProcessMemory
        
        PID:4544
      - C:\Windows\SysWOW64\schtasks.exe
        
        "C:\Windows\System32\schtasks.exe" /create /sc minute /mo 5 /tn "Update" /tr "%SYSTEMDRIVE%\Users\%USERNAME%\AppData\Local\zz%USERNAME%\%USERNAME%.vbs" /F
        6⤵
        Creates scheduled task(s)
        
        PID:1884
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Roaming\del.bat
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4764
  - - C:\Windows\SysWOW64\PING.EXE
      ping localhost -n 3
      4⤵
      Runs ping.exe
      PID:1836
  - - C:\Windows\SysWOW64\cmd.exe
      cmd /c del "C:\Users\Admin\AppData\Roaming\del.bat"
      4⤵
      PID:4656

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

Remote System Discovery

T1018

System Information Discovery