quasar | 33c16415bb86e33f9c9b5e37a20b875df320cc40f5a1d8d7c067279f1ca04b4b

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	33c16415bb86e33f9c9b5e37a20b875df320cc40f5a1d8d7c067279f1ca04b4bN.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	RegAsm.exe

Drops startup file 2 IoCs

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

Executes dropped EXE 3 IoCs

pid	Process
2944	Sanyo.com
4584	RegAsm.exe
3188	RegAsm.exe

Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Enumerates processes with tasklist 1 TTPs 2 IoCs

discovery

Process Discovery

T1057

pid	Process
1924	tasklist.exe
2348	tasklist.exe

Drops file in Windows directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\UpdatesPlugins	33c16415bb86e33f9c9b5e37a20b875df320cc40f5a1d8d7c067279f1ca04b4bN.exe
File opened for modification	C:\Windows\RotationProperties	33c16415bb86e33f9c9b5e37a20b875df320cc40f5a1d8d7c067279f1ca04b4bN.exe
File opened for modification	C:\Windows\RelyUsually	33c16415bb86e33f9c9b5e37a20b875df320cc40f5a1d8d7c067279f1ca04b4bN.exe
File opened for modification	C:\Windows\TalentLeast	33c16415bb86e33f9c9b5e37a20b875df320cc40f5a1d8d7c067279f1ca04b4bN.exe
File opened for modification	C:\Windows\MouthDl	33c16415bb86e33f9c9b5e37a20b875df320cc40f5a1d8d7c067279f1ca04b4bN.exe
File opened for modification	C:\Windows\MotelGroove	33c16415bb86e33f9c9b5e37a20b875df320cc40f5a1d8d7c067279f1ca04b4bN.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 14 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	RegAsm.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	tasklist.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	33c16415bb86e33f9c9b5e37a20b875df320cc40f5a1d8d7c067279f1ca04b4bN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	findstr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Sanyo.com
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tasklist.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	findstr.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	choice.exe

Checks processor information in registry 2 TTPs 3 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\~MHz	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	WINWORD.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WINWORD.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	WINWORD.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	WINWORD.EXE

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000_Classes\Local Settings	RegAsm.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
1064	schtasks.exe

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
1508	WINWORD.EXE
1508	WINWORD.EXE

Suspicious behavior: EnumeratesProcesses 42 IoCs

pid	Process
2944	Sanyo.com
2944	Sanyo.com
2944	Sanyo.com
2944	Sanyo.com
2944	Sanyo.com
2944	Sanyo.com
2944	Sanyo.com
2944	Sanyo.com
2944	Sanyo.com
2944	Sanyo.com
2944	Sanyo.com
2944	Sanyo.com
2944	Sanyo.com
2944	Sanyo.com
2944	Sanyo.com
2944	Sanyo.com
2944	Sanyo.com
2944	Sanyo.com
2944	Sanyo.com
2944	Sanyo.com
2944	Sanyo.com
2944	Sanyo.com
2944	Sanyo.com
2944	Sanyo.com
2944	Sanyo.com
2944	Sanyo.com
2944	Sanyo.com
2944	Sanyo.com
2944	Sanyo.com
2944	Sanyo.com
2944	Sanyo.com
2944	Sanyo.com
2944	Sanyo.com
2944	Sanyo.com
2944	Sanyo.com
2944	Sanyo.com
2944	Sanyo.com
2944	Sanyo.com
2944	Sanyo.com
2944	Sanyo.com
2944	Sanyo.com
2944	Sanyo.com

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1924	tasklist.exe
Token: SeDebugPrivilege	2348	tasklist.exe
Token: SeDebugPrivilege	3188	RegAsm.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2944	Sanyo.com
2944	Sanyo.com
2944	Sanyo.com

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
2944	Sanyo.com
2944	Sanyo.com
2944	Sanyo.com

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
1508	WINWORD.EXE
1508	WINWORD.EXE
1508	WINWORD.EXE
1508	WINWORD.EXE
1508	WINWORD.EXE
3188	RegAsm.exe
1508	WINWORD.EXE
1508	WINWORD.EXE
1508	WINWORD.EXE
1508	WINWORD.EXE

Suspicious use of WriteProcessMemory 46 IoCs

description	pid	Process	procid_target
PID 4700 wrote to memory of 3364	4700	33c16415bb86e33f9c9b5e37a20b875df320cc40f5a1d8d7c067279f1ca04b4bN.exe	83
PID 4700 wrote to memory of 3364	4700	33c16415bb86e33f9c9b5e37a20b875df320cc40f5a1d8d7c067279f1ca04b4bN.exe	83
PID 4700 wrote to memory of 3364	4700	33c16415bb86e33f9c9b5e37a20b875df320cc40f5a1d8d7c067279f1ca04b4bN.exe	83
PID 3364 wrote to memory of 1924	3364	cmd.exe	88
PID 3364 wrote to memory of 1924	3364	cmd.exe	88
PID 3364 wrote to memory of 1924	3364	cmd.exe	88
PID 3364 wrote to memory of 1828	3364	cmd.exe	89
PID 3364 wrote to memory of 1828	3364	cmd.exe	89
PID 3364 wrote to memory of 1828	3364	cmd.exe	89
PID 3364 wrote to memory of 2348	3364	cmd.exe	92
PID 3364 wrote to memory of 2348	3364	cmd.exe	92
PID 3364 wrote to memory of 2348	3364	cmd.exe	92
PID 3364 wrote to memory of 3192	3364	cmd.exe	93
PID 3364 wrote to memory of 3192	3364	cmd.exe	93
PID 3364 wrote to memory of 3192	3364	cmd.exe	93
PID 3364 wrote to memory of 4532	3364	cmd.exe	96
PID 3364 wrote to memory of 4532	3364	cmd.exe	96
PID 3364 wrote to memory of 4532	3364	cmd.exe	96
PID 3364 wrote to memory of 1952	3364	cmd.exe	98
PID 3364 wrote to memory of 1952	3364	cmd.exe	98
PID 3364 wrote to memory of 1952	3364	cmd.exe	98
PID 3364 wrote to memory of 2944	3364	cmd.exe	99
PID 3364 wrote to memory of 2944	3364	cmd.exe	99
PID 3364 wrote to memory of 2944	3364	cmd.exe	99
PID 3364 wrote to memory of 2812	3364	cmd.exe	100
PID 3364 wrote to memory of 2812	3364	cmd.exe	100
PID 3364 wrote to memory of 2812	3364	cmd.exe	100
PID 2944 wrote to memory of 4720	2944	Sanyo.com	101
PID 2944 wrote to memory of 4720	2944	Sanyo.com	101
PID 2944 wrote to memory of 4720	2944	Sanyo.com	101
PID 4720 wrote to memory of 1064	4720	cmd.exe	103
PID 4720 wrote to memory of 1064	4720	cmd.exe	103
PID 4720 wrote to memory of 1064	4720	cmd.exe	103
PID 2944 wrote to memory of 452	2944	Sanyo.com	104
PID 2944 wrote to memory of 452	2944	Sanyo.com	104
PID 2944 wrote to memory of 452	2944	Sanyo.com	104
PID 2944 wrote to memory of 4584	2944	Sanyo.com	112
PID 2944 wrote to memory of 4584	2944	Sanyo.com	112
PID 2944 wrote to memory of 4584	2944	Sanyo.com	112
PID 2944 wrote to memory of 3188	2944	Sanyo.com	113
PID 2944 wrote to memory of 3188	2944	Sanyo.com	113
PID 2944 wrote to memory of 3188	2944	Sanyo.com	113
PID 2944 wrote to memory of 3188	2944	Sanyo.com	113
PID 2944 wrote to memory of 3188	2944	Sanyo.com	113
PID 3188 wrote to memory of 1508	3188	RegAsm.exe	114
PID 3188 wrote to memory of 1508	3188	RegAsm.exe	114

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3432
- C:\Users\Admin\AppData\Local\Temp\33c16415bb86e33f9c9b5e37a20b875df320cc40f5a1d8d7c067279f1ca04b4bN.exe
  "C:\Users\Admin\AppData\Local\Temp\33c16415bb86e33f9c9b5e37a20b875df320cc40f5a1d8d7c067279f1ca04b4bN.exe"
  2⤵
  - Checks computer location settings
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4700
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c copy Recording Recording.cmd && Recording.cmd
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3364
  - - C:\Windows\SysWOW64\tasklist.exe
      tasklist
      4⤵
      Enumerates processes with tasklist
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      PID:1924
  - - C:\Windows\SysWOW64\findstr.exe
      findstr /I "wrsa opssvc"
      4⤵
      System Location Discovery: System Language Discovery
      PID:1828
  - - C:\Windows\SysWOW64\tasklist.exe
      tasklist
      4⤵
      Enumerates processes with tasklist
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      PID:2348
  - - C:\Windows\SysWOW64\findstr.exe
      findstr "AvastUI AVGUI bdservicehost nsWscSvc ekrn SophosHealth"
      4⤵
      System Location Discovery: System Language Discovery
      PID:3192
  - - C:\Windows\SysWOW64\cmd.exe
      cmd /c md 483308
      4⤵
      System Location Discovery: System Language Discovery
      PID:4532
  - - C:\Windows\SysWOW64\cmd.exe
      cmd /c copy /b ..\Reliability + ..\Trick + ..\Spas + ..\Jose + ..\Integration + ..\Rap + ..\Animated + ..\Replace + ..\Electron + ..\Antique + ..\Twin + ..\Lows + ..\Citizenship + ..\Guru + ..\Donald + ..\Issn + ..\Shipments + ..\Specialist + ..\Riding + ..\Sum + ..\Central + ..\Fl + ..\September + ..\Dsl + ..\Rent + ..\Achievement + ..\Justice + ..\Cents + ..\Charlotte + ..\Florence + ..\Ip + ..\Wiley + ..\Facing + ..\Stating + ..\Patio + ..\Portal + ..\Nudity + ..\Airline + ..\Lauren + ..\Attacked + ..\Hurricane + ..\Amongst + ..\Coal + ..\Disable i
      4⤵
      System Location Discovery: System Language Discovery
      PID:1952
  - - C:\Users\Admin\AppData\Local\Temp\483308\Sanyo.com
      Sanyo.com i
      4⤵
      Suspicious use of NtCreateUserProcessOtherParentProcess
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of FindShellTrayWindow
      Suspicious use of SendNotifyMessage
      Suspicious use of WriteProcessMemory
      PID:2944
    - - C:\Users\Admin\AppData\Local\Temp\483308\RegAsm.exe
        
        C:\Users\Admin\AppData\Local\Temp\483308\RegAsm.exe
        5⤵
        Executes dropped EXE
        
        PID:4584
    - - C:\Users\Admin\AppData\Local\Temp\483308\RegAsm.exe
        
        C:\Users\Admin\AppData\Local\Temp\483308\RegAsm.exe
        5⤵
        Checks computer location settings
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        Modifies registry class
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of SetWindowsHookEx
        Suspicious use of WriteProcessMemory
        
        PID:3188
      - C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
        
        "C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\Переход на ПАК.docx" /o ""
        6⤵
        Checks processor information in registry
        Enumerates system info in registry
        Suspicious behavior: AddClipboardFormatListener
        Suspicious use of SetWindowsHookEx
        
        PID:1508
  - - C:\Windows\SysWOW64\choice.exe
      choice /d y /t 5
      4⤵
      System Location Discovery: System Language Discovery
      PID:2812
- C:\Windows\SysWOW64\cmd.exe
  cmd /c schtasks.exe /create /tn "Forgot" /tr "wscript //B 'C:\Users\Admin\AppData\Local\HealthHub Dynamics Inc\HealthHubX.js'" /sc minute /mo 5 /F
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4720
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks.exe /create /tn "Forgot" /tr "wscript //B 'C:\Users\Admin\AppData\Local\HealthHub Dynamics Inc\HealthHubX.js'" /sc minute /mo 5 /F
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1064
- C:\Windows\SysWOW64\cmd.exe
  cmd /k echo [InternetShortcut] > "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\HealthHubX.url" & echo URL="C:\Users\Admin\AppData\Local\HealthHub Dynamics Inc\HealthHubX.js" >> "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\HealthHubX.url" & exit
  2⤵
  - Drops startup file
  - System Location Discovery: System Language Discovery
  PID:452

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

Persistence

Scheduled Task/Job

T1053

Scheduled Task

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

Process Discovery

T1057

Query Registry

System Information Discovery