saintbot | 7984d01b7f0f39f4ff52e2c4f77f029fc78bb23e8cd33ce17d3e8dbaaea8eb96

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	a383ea34fabbe16ef42b5d492f2ec61638419c76d504fe4aa39472485a312f92.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsoft Windows Desktop Runtime - 8.0.2 (x64).exe	a383ea34fabbe16ef42b5d492f2ec61638419c76d504fe4aa39472485a312f92.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsoft Windows Desktop Runtime - 8.0.2 (x64).exe	Microsoft Windows Desktop Runtime - 8.0.2 (x64).exe

Executes dropped EXE 1 IoCs

pid	Process
3100	Microsoft Windows Desktop Runtime - 8.0.2 (x64).exe

Loads dropped DLL 2 IoCs

pid	Process
3100	Microsoft Windows Desktop Runtime - 8.0.2 (x64).exe
4972	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-1-5-21-2045521122-590294423-3465680274-1000\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
Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004

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\0	Microsoft Windows Desktop Runtime - 8.0.2 (x64).exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum	dfrgui.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	dfrgui.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum	a383ea34fabbe16ef42b5d492f2ec61638419c76d504fe4aa39472485a312f92.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	a383ea34fabbe16ef42b5d492f2ec61638419c76d504fe4aa39472485a312f92.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum	Microsoft Windows Desktop Runtime - 8.0.2 (x64).exe

Drops file in System32 directory 1 IoCs

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

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Microsoft Windows Desktop Runtime - 8.0.2 (x64).exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dfrgui.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a383ea34fabbe16ef42b5d492f2ec61638419c76d504fe4aa39472485a312f92.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
1808	PING.EXE

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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1808	PING.EXE

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

persistence execution

Scheduled Task

pid	Process
4052	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3100	Microsoft Windows Desktop Runtime - 8.0.2 (x64).exe
3100	Microsoft Windows Desktop Runtime - 8.0.2 (x64).exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2880 wrote to memory of 3100	2880	a383ea34fabbe16ef42b5d492f2ec61638419c76d504fe4aa39472485a312f92.exe	83
PID 2880 wrote to memory of 3100	2880	a383ea34fabbe16ef42b5d492f2ec61638419c76d504fe4aa39472485a312f92.exe	83
PID 2880 wrote to memory of 3100	2880	a383ea34fabbe16ef42b5d492f2ec61638419c76d504fe4aa39472485a312f92.exe	83
PID 2880 wrote to memory of 3124	2880	a383ea34fabbe16ef42b5d492f2ec61638419c76d504fe4aa39472485a312f92.exe	84
PID 2880 wrote to memory of 3124	2880	a383ea34fabbe16ef42b5d492f2ec61638419c76d504fe4aa39472485a312f92.exe	84
PID 2880 wrote to memory of 3124	2880	a383ea34fabbe16ef42b5d492f2ec61638419c76d504fe4aa39472485a312f92.exe	84
PID 3100 wrote to memory of 4972	3100	Microsoft Windows Desktop Runtime - 8.0.2 (x64).exe	86
PID 3100 wrote to memory of 4972	3100	Microsoft Windows Desktop Runtime - 8.0.2 (x64).exe	86
PID 3100 wrote to memory of 4972	3100	Microsoft Windows Desktop Runtime - 8.0.2 (x64).exe	86
PID 3124 wrote to memory of 1808	3124	cmd.exe	87
PID 3124 wrote to memory of 1808	3124	cmd.exe	87
PID 3124 wrote to memory of 1808	3124	cmd.exe	87
PID 3100 wrote to memory of 4972	3100	Microsoft Windows Desktop Runtime - 8.0.2 (x64).exe	86
PID 3124 wrote to memory of 4756	3124	cmd.exe	89
PID 3124 wrote to memory of 4756	3124	cmd.exe	89
PID 3124 wrote to memory of 4756	3124	cmd.exe	89
PID 4972 wrote to memory of 4052	4972	dfrgui.exe	93
PID 4972 wrote to memory of 4052	4972	dfrgui.exe	93
PID 4972 wrote to memory of 4052	4972	dfrgui.exe	93

C:\Users\Admin\AppData\Local\Temp\a383ea34fabbe16ef42b5d492f2ec61638419c76d504fe4aa39472485a312f92.exe
"C:\Users\Admin\AppData\Local\Temp\a383ea34fabbe16ef42b5d492f2ec61638419c76d504fe4aa39472485a312f92.exe"
1⤵
- Checks computer location settings
- Drops startup file
- Maps connected drives based on registry
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2880
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsoft Windows Desktop Runtime - 8.0.2 (x64).exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsoft Windows Desktop Runtime - 8.0.2 (x64).exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Loads dropped DLL
  - Maps connected drives based on registry
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:3100
- - C:\Windows\SysWOW64\dfrgui.exe
    "C:\Windows\system32\dfrgui.exe"
    3⤵
    - Loads dropped DLL
    - Adds Run key to start application
    - Maps connected drives based on registry
    - Drops file in System32 directory
    - System Location Discovery: System Language Discovery
    - Checks processor information in registry
    - Suspicious use of WriteProcessMemory
    PID:4972
  - - 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
      4⤵
      System Location Discovery: System Language Discovery
      Scheduled Task/Job: Scheduled Task
      PID:4052
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Roaming\del.bat
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3124
- - C:\Windows\SysWOW64\PING.EXE
    ping localhost -n 3
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:1808
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c del "C:\Users\Admin\AppData\Roaming\del.bat"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4756

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

Defense Evasion

Indicator Removal

T1070

File Deletion

T1070.004

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

Remote System Discovery

T1018

System Information Discovery