saintbot | eadc8b44e46603f78b5f84ad3ea350b71c5c32f0daf0f1d9cd978de2c7a76b78

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	9361a5a13c26bdba1ce006356706339272465f4fa25c75a008f0041b9b647b90.exe
Key value queried	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	WScript.exe
Key value queried	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	watchdog.exe

Drops startup file 3 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows Defender.lnk	9361a5a13c26bdba1ce006356706339272465f4fa25c75a008f0041b9b647b90.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\56191.exe	watchdog.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\56191.exe	56191.exe

Executes dropped EXE 4 IoCs

pid	Process
4320	watchdog.exe
2000	56191.exe
4700	Defender.exe
4896	Defender.exe

Loads dropped DLL 2 IoCs

pid	Process
2000	56191.exe
1092	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-1-5-21-940901362-3608833189-1915618603-1000\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	watchdog.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum	56191.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	56191.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	watchdog.exe

Drops file in System32 directory 1 IoCs

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

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/files/0x000a000000023b67-37.dat	upx
behavioral2/memory/4700-40-0x00007FF6C77C0000-0x00007FF6C95E0000-memory.dmp	upx

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 10 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	56191.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	cmd.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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9361a5a13c26bdba1ce006356706339272465f4fa25c75a008f0041b9b647b90.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WScript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	watchdog.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
4964	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

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000_Classes\Local Settings	9361a5a13c26bdba1ce006356706339272465f4fa25c75a008f0041b9b647b90.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4964	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
4652	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2000	56191.exe
2000	56191.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 4916 wrote to memory of 4460	4916	9361a5a13c26bdba1ce006356706339272465f4fa25c75a008f0041b9b647b90.exe	83
PID 4916 wrote to memory of 4460	4916	9361a5a13c26bdba1ce006356706339272465f4fa25c75a008f0041b9b647b90.exe	83
PID 4916 wrote to memory of 4460	4916	9361a5a13c26bdba1ce006356706339272465f4fa25c75a008f0041b9b647b90.exe	83
PID 4916 wrote to memory of 4320	4916	9361a5a13c26bdba1ce006356706339272465f4fa25c75a008f0041b9b647b90.exe	84
PID 4916 wrote to memory of 4320	4916	9361a5a13c26bdba1ce006356706339272465f4fa25c75a008f0041b9b647b90.exe	84
PID 4916 wrote to memory of 4320	4916	9361a5a13c26bdba1ce006356706339272465f4fa25c75a008f0041b9b647b90.exe	84
PID 4460 wrote to memory of 628	4460	WScript.exe	86
PID 4460 wrote to memory of 628	4460	WScript.exe	86
PID 4460 wrote to memory of 628	4460	WScript.exe	86
PID 4320 wrote to memory of 2000	4320	watchdog.exe	88
PID 4320 wrote to memory of 2000	4320	watchdog.exe	88
PID 4320 wrote to memory of 2000	4320	watchdog.exe	88
PID 4320 wrote to memory of 184	4320	watchdog.exe	89
PID 4320 wrote to memory of 184	4320	watchdog.exe	89
PID 4320 wrote to memory of 184	4320	watchdog.exe	89
PID 628 wrote to memory of 4700	628	cmd.exe	91
PID 628 wrote to memory of 4700	628	cmd.exe	91
PID 2000 wrote to memory of 1092	2000	56191.exe	92
PID 2000 wrote to memory of 1092	2000	56191.exe	92
PID 2000 wrote to memory of 1092	2000	56191.exe	92
PID 184 wrote to memory of 4964	184	cmd.exe	93
PID 184 wrote to memory of 4964	184	cmd.exe	93
PID 184 wrote to memory of 4964	184	cmd.exe	93
PID 2000 wrote to memory of 1092	2000	56191.exe	92
PID 184 wrote to memory of 4784	184	cmd.exe	94
PID 184 wrote to memory of 4784	184	cmd.exe	94
PID 184 wrote to memory of 4784	184	cmd.exe	94
PID 1092 wrote to memory of 4652	1092	dfrgui.exe	96
PID 1092 wrote to memory of 4652	1092	dfrgui.exe	96
PID 1092 wrote to memory of 4652	1092	dfrgui.exe	96
PID 628 wrote to memory of 4896	628	cmd.exe	99
PID 628 wrote to memory of 4896	628	cmd.exe	99

C:\Users\Admin\AppData\Local\Temp\9361a5a13c26bdba1ce006356706339272465f4fa25c75a008f0041b9b647b90.exe
"C:\Users\Admin\AppData\Local\Temp\9361a5a13c26bdba1ce006356706339272465f4fa25c75a008f0041b9b647b90.exe"
1⤵
- Checks computer location settings
- Drops startup file
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4916
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Admin\run.vbs"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4460
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c 5666.bat
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:628
  - - C:\Users\Admin\AppData\Local\Admin\Defender.exe
      Defender.exe
      4⤵
      Executes dropped EXE
      PID:4700
  - - C:\Users\Admin\AppData\Local\Admin\Defender.exe
      Defender.exe --algo ETHASH --pool eth.2miners.com:2020 --user 0xbFA6b56Ff31539269929C6913B7e68A45122847c.Worker
      4⤵
      Executes dropped EXE
      PID:4896
- C:\Users\Admin\AppData\Local\Admin\watchdog.exe
  "C:\Users\Admin\AppData\Local\Admin\watchdog.exe"
  2⤵
  - Checks computer location settings
  - Drops startup file
  - Executes dropped EXE
  - Maps connected drives based on registry
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4320
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\56191.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\56191.exe"
    3⤵
    - 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:2000
  - - C:\Windows\SysWOW64\dfrgui.exe
      "C:\Windows\system32\dfrgui.exe"
      4⤵
      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:1092
    - - 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
        5⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:4652
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Roaming\del.bat
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:184
  - - C:\Windows\SysWOW64\PING.EXE
      ping localhost -n 3
      4⤵
      System Location Discovery: System Language Discovery
      System Network Configuration Discovery: Internet Connection Discovery
      Runs ping.exe
      PID:4964
  - - C:\Windows\SysWOW64\cmd.exe
      cmd /c del "C:\Users\Admin\AppData\Roaming\del.bat"
      4⤵
      System Location Discovery: System Language Discovery
      PID:4784

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