quasar | 4fa2387a8a7d3c19888b5a07b5897f344be8e4364d5f5130f257715ad2a97fca

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	RegAsm.exe

Drops startup file 2 IoCs

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

Executes dropped EXE 2 IoCs

pid	Process
2612	Interviews.com
3536	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
2640	tasklist.exe
4356	tasklist.exe

Drops file in Windows directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SoundsReturn	.exe
File opened for modification	C:\Windows\ProgrammesFw	.exe
File opened for modification	C:\Windows\CarbonMainland	.exe
File opened for modification	C:\Windows\ApparelPreserve	.exe
File opened for modification	C:\Windows\GloryEars	.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 15 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	.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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe
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	Interviews.com
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	findstr.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	tasklist.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 opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	WINWORD.EXE

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000_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
4676	schtasks.exe

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
2660	WINWORD.EXE
2660	WINWORD.EXE

Suspicious behavior: EnumeratesProcesses 38 IoCs

pid	Process
2612	Interviews.com
2612	Interviews.com
2612	Interviews.com
2612	Interviews.com
2612	Interviews.com
2612	Interviews.com
2612	Interviews.com
2612	Interviews.com
2612	Interviews.com
2612	Interviews.com
2612	Interviews.com
2612	Interviews.com
2612	Interviews.com
2612	Interviews.com
2612	Interviews.com
2612	Interviews.com
2612	Interviews.com
2612	Interviews.com
2612	Interviews.com
2612	Interviews.com
2612	Interviews.com
2612	Interviews.com
2612	Interviews.com
2612	Interviews.com
2612	Interviews.com
2612	Interviews.com
2612	Interviews.com
2612	Interviews.com
2612	Interviews.com
2612	Interviews.com
2612	Interviews.com
2612	Interviews.com
2612	Interviews.com
2612	Interviews.com
2612	Interviews.com
2612	Interviews.com
2612	Interviews.com
2612	Interviews.com

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2640	tasklist.exe
Token: SeDebugPrivilege	4356	tasklist.exe
Token: SeDebugPrivilege	3536	RegAsm.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2612	Interviews.com
2612	Interviews.com
2612	Interviews.com

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
2612	Interviews.com
2612	Interviews.com
2612	Interviews.com

Suspicious use of SetWindowsHookEx 11 IoCs

pid	Process
2660	WINWORD.EXE
2660	WINWORD.EXE
2660	WINWORD.EXE
2660	WINWORD.EXE
3536	RegAsm.exe
2660	WINWORD.EXE
2660	WINWORD.EXE
2660	WINWORD.EXE
2660	WINWORD.EXE
2660	WINWORD.EXE
2660	WINWORD.EXE

Suspicious use of WriteProcessMemory 46 IoCs

description	pid	Process	procid_target
PID 4504 wrote to memory of 1188	4504	.exe	82
PID 4504 wrote to memory of 1188	4504	.exe	82
PID 4504 wrote to memory of 1188	4504	.exe	82
PID 1188 wrote to memory of 2640	1188	cmd.exe	84
PID 1188 wrote to memory of 2640	1188	cmd.exe	84
PID 1188 wrote to memory of 2640	1188	cmd.exe	84
PID 1188 wrote to memory of 3864	1188	cmd.exe	85
PID 1188 wrote to memory of 3864	1188	cmd.exe	85
PID 1188 wrote to memory of 3864	1188	cmd.exe	85
PID 1188 wrote to memory of 4356	1188	cmd.exe	87
PID 1188 wrote to memory of 4356	1188	cmd.exe	87
PID 1188 wrote to memory of 4356	1188	cmd.exe	87
PID 1188 wrote to memory of 1644	1188	cmd.exe	88
PID 1188 wrote to memory of 1644	1188	cmd.exe	88
PID 1188 wrote to memory of 1644	1188	cmd.exe	88
PID 1188 wrote to memory of 1116	1188	cmd.exe	89
PID 1188 wrote to memory of 1116	1188	cmd.exe	89
PID 1188 wrote to memory of 1116	1188	cmd.exe	89
PID 1188 wrote to memory of 3632	1188	cmd.exe	90
PID 1188 wrote to memory of 3632	1188	cmd.exe	90
PID 1188 wrote to memory of 3632	1188	cmd.exe	90
PID 1188 wrote to memory of 3024	1188	cmd.exe	91
PID 1188 wrote to memory of 3024	1188	cmd.exe	91
PID 1188 wrote to memory of 3024	1188	cmd.exe	91
PID 1188 wrote to memory of 2612	1188	cmd.exe	92
PID 1188 wrote to memory of 2612	1188	cmd.exe	92
PID 1188 wrote to memory of 2612	1188	cmd.exe	92
PID 1188 wrote to memory of 4540	1188	cmd.exe	93
PID 1188 wrote to memory of 4540	1188	cmd.exe	93
PID 1188 wrote to memory of 4540	1188	cmd.exe	93
PID 2612 wrote to memory of 3284	2612	Interviews.com	94
PID 2612 wrote to memory of 3284	2612	Interviews.com	94
PID 2612 wrote to memory of 3284	2612	Interviews.com	94
PID 2612 wrote to memory of 4856	2612	Interviews.com	96
PID 2612 wrote to memory of 4856	2612	Interviews.com	96
PID 2612 wrote to memory of 4856	2612	Interviews.com	96
PID 3284 wrote to memory of 4676	3284	cmd.exe	98
PID 3284 wrote to memory of 4676	3284	cmd.exe	98
PID 3284 wrote to memory of 4676	3284	cmd.exe	98
PID 2612 wrote to memory of 3536	2612	Interviews.com	106
PID 2612 wrote to memory of 3536	2612	Interviews.com	106
PID 2612 wrote to memory of 3536	2612	Interviews.com	106
PID 2612 wrote to memory of 3536	2612	Interviews.com	106
PID 2612 wrote to memory of 3536	2612	Interviews.com	106
PID 3536 wrote to memory of 2660	3536	RegAsm.exe	108
PID 3536 wrote to memory of 2660	3536	RegAsm.exe	108

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3392
- C:\Users\Admin\AppData\Local\Temp\.exe
  "C:\Users\Admin\AppData\Local\Temp\.exe"
  2⤵
  - Checks computer location settings
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4504
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c copy Clear Clear.cmd && Clear.cmd
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1188
  - - C:\Windows\SysWOW64\tasklist.exe
      tasklist
      4⤵
      Enumerates processes with tasklist
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      PID:2640
  - - C:\Windows\SysWOW64\findstr.exe
      findstr /I "wrsa opssvc"
      4⤵
      System Location Discovery: System Language Discovery
      PID:3864
  - - C:\Windows\SysWOW64\tasklist.exe
      tasklist
      4⤵
      Enumerates processes with tasklist
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      PID:4356
  - - C:\Windows\SysWOW64\findstr.exe
      findstr "AvastUI AVGUI bdservicehost nsWscSvc ekrn SophosHealth"
      4⤵
      System Location Discovery: System Language Discovery
      PID:1644
  - - C:\Windows\SysWOW64\cmd.exe
      cmd /c md 638390
      4⤵
      System Location Discovery: System Language Discovery
      PID:1116
  - - C:\Windows\SysWOW64\findstr.exe
      findstr /V "fightcountedsummermiccoursesreviewalignmentprobe" Disputes
      4⤵
      System Location Discovery: System Language Discovery
      PID:3632
  - - C:\Windows\SysWOW64\cmd.exe
      cmd /c copy /b ..\Live + ..\Tales + ..\Wrestling + ..\Probe + ..\Maiden + ..\Becomes + ..\Revolution + ..\Solved + ..\Jesus + ..\Occasional + ..\Aluminum + ..\Cited + ..\Shades + ..\Increased + ..\Constitutional + ..\Camel + ..\Margaret + ..\Diana + ..\Similarly + ..\Attachment + ..\Curves + ..\Beginners + ..\Meaning + ..\Searchcom + ..\Counties + ..\Hammer + ..\Relevance + ..\Arg + ..\Hydraulic + ..\Prot + ..\Router + ..\Photographic + ..\Water + ..\Caution + ..\Plants + ..\Market + ..\Worlds + ..\Countries + ..\Tool U
      4⤵
      System Location Discovery: System Language Discovery
      PID:3024
  - - C:\Users\Admin\AppData\Local\Temp\638390\Interviews.com
      Interviews.com U
      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:2612
    - - C:\Users\Admin\AppData\Local\Temp\638390\RegAsm.exe
        
        C:\Users\Admin\AppData\Local\Temp\638390\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:3536
      - 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\Долговая нагрузка.docx" /o ""
        6⤵
        Checks processor information in registry
        Enumerates system info in registry
        Suspicious behavior: AddClipboardFormatListener
        Suspicious use of SetWindowsHookEx
        
        PID:2660
  - - C:\Windows\SysWOW64\choice.exe
      choice /d y /t 5
      4⤵
      System Location Discovery: System Language Discovery
      PID:4540
- C:\Windows\SysWOW64\cmd.exe
  cmd /c schtasks.exe /create /tn "Aluminium" /tr "wscript //B 'C:\Users\Admin\AppData\Local\SecureInno Technologies Co\InnoSecureX.js'" /sc minute /mo 5 /F
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3284
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks.exe /create /tn "Aluminium" /tr "wscript //B 'C:\Users\Admin\AppData\Local\SecureInno Technologies Co\InnoSecureX.js'" /sc minute /mo 5 /F
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4676
- C:\Windows\SysWOW64\cmd.exe
  cmd /k echo [InternetShortcut] > "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\InnoSecureX.url" & echo URL="C:\Users\Admin\AppData\Local\SecureInno Technologies Co\InnoSecureX.js" >> "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\InnoSecureX.url" & exit
  2⤵
  - Drops startup file
  - System Location Discovery: System Language Discovery
  PID:4856

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