quasar | 282d6f5ddc83351dab51e6decc1293b078638f0cfd0baca4673afc8246fd32bd

System Information Discovery

Processes:

Client.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-870806430-2618236806-3023919190-1000\Control Panel\International\Geo\Nation	Client.exe

Executes dropped EXE 2 IoCs

Processes:

kreo q zi.exeClient.exe

pid	Process
5088	kreo q zi.exe
1884	Client.exe

Enumerates connected drives 3 TTPs 46 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

Peripheral Device Discovery

T1120

System Information Discovery

Processes:

wmplayer.exeunregmp2.exe

description	ioc	Process
File opened (read-only)	\??\Q:	wmplayer.exe
File opened (read-only)	\??\Q:	unregmp2.exe
File opened (read-only)	\??\I:	wmplayer.exe
File opened (read-only)	\??\M:	wmplayer.exe
File opened (read-only)	\??\U:	unregmp2.exe
File opened (read-only)	\??\H:	wmplayer.exe
File opened (read-only)	\??\I:	unregmp2.exe
File opened (read-only)	\??\M:	unregmp2.exe
File opened (read-only)	\??\P:	unregmp2.exe
File opened (read-only)	\??\S:	unregmp2.exe
File opened (read-only)	\??\V:	unregmp2.exe
File opened (read-only)	\??\E:	wmplayer.exe
File opened (read-only)	\??\B:	unregmp2.exe
File opened (read-only)	\??\H:	unregmp2.exe
File opened (read-only)	\??\N:	wmplayer.exe
File opened (read-only)	\??\Y:	wmplayer.exe
File opened (read-only)	\??\K:	wmplayer.exe
File opened (read-only)	\??\L:	wmplayer.exe
File opened (read-only)	\??\W:	unregmp2.exe
File opened (read-only)	\??\Y:	unregmp2.exe
File opened (read-only)	\??\S:	wmplayer.exe
File opened (read-only)	\??\U:	wmplayer.exe
File opened (read-only)	\??\W:	wmplayer.exe
File opened (read-only)	\??\X:	wmplayer.exe
File opened (read-only)	\??\O:	unregmp2.exe
File opened (read-only)	\??\T:	unregmp2.exe
File opened (read-only)	\??\Z:	wmplayer.exe
File opened (read-only)	\??\R:	unregmp2.exe
File opened (read-only)	\??\Z:	unregmp2.exe
File opened (read-only)	\??\T:	wmplayer.exe
File opened (read-only)	\??\J:	unregmp2.exe
File opened (read-only)	\??\K:	unregmp2.exe
File opened (read-only)	\??\P:	wmplayer.exe
File opened (read-only)	\??\V:	wmplayer.exe
File opened (read-only)	\??\L:	unregmp2.exe
File opened (read-only)	\??\G:	wmplayer.exe
File opened (read-only)	\??\N:	unregmp2.exe
File opened (read-only)	\??\X:	unregmp2.exe
File opened (read-only)	\??\A:	wmplayer.exe
File opened (read-only)	\??\J:	wmplayer.exe
File opened (read-only)	\??\O:	wmplayer.exe
File opened (read-only)	\??\R:	wmplayer.exe
File opened (read-only)	\??\A:	unregmp2.exe
File opened (read-only)	\??\G:	unregmp2.exe
File opened (read-only)	\??\E:	unregmp2.exe
File opened (read-only)	\??\B:	wmplayer.exe

Drops file in Windows directory 3 IoCs

Processes:

mspaint.exesvchost.exemspaint.exe

description	ioc	Process
File opened for modification	C:\Windows\Debug\WIA\wiatrace.log	mspaint.exe
File created	C:\Windows\ServiceProfiles\LocalService\AppData\Roaming\Microsoft\UPnP Device Host\upnphost\udhisapi.dll	svchost.exe
File opened for modification	C:\Windows\Debug\WIA\wiatrace.log	mspaint.exe

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217
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 4 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

Processes:

wmplayer.exeunregmp2.exeIEXPLORE.EXEIEXPLORE.EXE

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wmplayer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	unregmp2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEXPLORE.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEXPLORE.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

System Information Discovery

Processes:

msedge.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	msedge.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	msedge.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	msedge.exe

Modifies Internet Explorer settings 1 TTPs 15 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeIEXPLORE.EXEIEXPLORE.EXE

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-870806430-2618236806-3023919190-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-870806430-2618236806-3023919190-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{EBE3D1F0-9B98-11EF-9FCE-62680AF28EC1} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-870806430-2618236806-3023919190-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-870806430-2618236806-3023919190-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-870806430-2618236806-3023919190-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-870806430-2618236806-3023919190-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-870806430-2618236806-3023919190-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-870806430-2618236806-3023919190-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-870806430-2618236806-3023919190-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-870806430-2618236806-3023919190-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-870806430-2618236806-3023919190-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-870806430-2618236806-3023919190-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-870806430-2618236806-3023919190-1000\SOFTWARE\Microsoft\Internet Explorer\GPU\AdapterInfo = "vendorId=\"0x10de\",deviceID=\"0x8c\",subSysID=\"0x0\",revision=\"0x0\",version=\"10.0.19041.4355\"hypervisor=\"No Hypervisor (No SLAT)\""	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-870806430-2618236806-3023919190-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-870806430-2618236806-3023919190-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff3e0000003e000000c4040000a3020000	iexplore.exe

Modifies registry class 8 IoCs

Processes:

OpenWith.exeOpenWith.exeClient.exeOpenWith.exeOpenWith.exeOpenWith.exeOpenWith.exeOpenWith.exe

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-870806430-2618236806-3023919190-1000_Classes\Local Settings	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-870806430-2618236806-3023919190-1000_Classes\Local Settings	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-870806430-2618236806-3023919190-1000_Classes\Local Settings	Client.exe
Key created	\REGISTRY\USER\S-1-5-21-870806430-2618236806-3023919190-1000_Classes\Local Settings	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-870806430-2618236806-3023919190-1000_Classes\Local Settings	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-870806430-2618236806-3023919190-1000_Classes\Local Settings	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-870806430-2618236806-3023919190-1000_Classes\Local Settings	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-870806430-2618236806-3023919190-1000_Classes\Local Settings	OpenWith.exe

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

Processes:

NOTEPAD.EXE

pid	Process
444	NOTEPAD.EXE

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

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

persistence execution

Scheduled Task

Processes:

schtasks.exeschtasks.exe

pid	Process
188	schtasks.exe
2108	schtasks.exe

Suspicious behavior: AddClipboardFormatListener 3 IoCs

Processes:

vlc.exeWINWORD.EXE

pid	Process
4324	vlc.exe
5780	WINWORD.EXE
5780	WINWORD.EXE

Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

mspaint.exemsedge.exemsedge.exemspaint.exeClient.exe

pid	Process
2088	mspaint.exe
2088	mspaint.exe
1796	msedge.exe
1796	msedge.exe
4248	msedge.exe
4248	msedge.exe
4784	mspaint.exe
4784	mspaint.exe
1884	Client.exe
1884	Client.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

Processes:

7zFM.exevlc.exe

pid	Process
4936	7zFM.exe
4324	vlc.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 IoCs

Processes:

msedge.exe

pid	Process
4248	msedge.exe
4248	msedge.exe
4248	msedge.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

Processes:

7zFM.exekreo q zi.exeClient.exewmplayer.exeunregmp2.exe

description	pid	Process
Token: SeRestorePrivilege	4936	7zFM.exe
Token: 35	4936	7zFM.exe
Token: SeSecurityPrivilege	4936	7zFM.exe
Token: SeDebugPrivilege	5088	kreo q zi.exe
Token: SeDebugPrivilege	1884	Client.exe
Token: SeShutdownPrivilege	3056	wmplayer.exe
Token: SeCreatePagefilePrivilege	3056	wmplayer.exe
Token: SeShutdownPrivilege	2156	unregmp2.exe
Token: SeCreatePagefilePrivilege	2156	unregmp2.exe

Suspicious use of FindShellTrayWindow 31 IoCs

Processes:

7zFM.exewmplayer.exemsedge.exevlc.exeiexplore.exe

pid	Process
4936	7zFM.exe
4936	7zFM.exe
4936	7zFM.exe
3056	wmplayer.exe
4248	msedge.exe
4324	vlc.exe
4324	vlc.exe
4324	vlc.exe
4324	vlc.exe
4324	vlc.exe
4324	vlc.exe
4324	vlc.exe
4324	vlc.exe
4324	vlc.exe
4320	iexplore.exe
4324	vlc.exe
4324	vlc.exe
4324	vlc.exe
4324	vlc.exe
4324	vlc.exe
4324	vlc.exe
4324	vlc.exe
4324	vlc.exe
4324	vlc.exe
4324	vlc.exe
4320	iexplore.exe
4324	vlc.exe
4324	vlc.exe
4324	vlc.exe
4324	vlc.exe
4324	vlc.exe

Suspicious use of SendNotifyMessage 23 IoCs

Processes:

vlc.exe

pid	Process
4324	vlc.exe
4324	vlc.exe
4324	vlc.exe
4324	vlc.exe
4324	vlc.exe
4324	vlc.exe
4324	vlc.exe
4324	vlc.exe
4324	vlc.exe
4324	vlc.exe
4324	vlc.exe
4324	vlc.exe
4324	vlc.exe
4324	vlc.exe
4324	vlc.exe
4324	vlc.exe
4324	vlc.exe
4324	vlc.exe
4324	vlc.exe
4324	vlc.exe
4324	vlc.exe
4324	vlc.exe
4324	vlc.exe

Suspicious use of SetWindowsHookEx 30 IoCs

Processes:

Client.exemspaint.exeOpenWith.exevlc.exeOpenWith.exeiexplore.exeIEXPLORE.EXEmspaint.exeOpenWith.exeOpenWith.exeIEXPLORE.EXEOpenWith.exeOpenWith.exeWINWORD.EXEOpenWith.exe

pid	Process
1884	Client.exe
2088	mspaint.exe
2088	mspaint.exe
2088	mspaint.exe
2088	mspaint.exe
3300	OpenWith.exe
4324	vlc.exe
1180	OpenWith.exe
4320	iexplore.exe
4320	iexplore.exe
440	IEXPLORE.EXE
440	IEXPLORE.EXE
4784	mspaint.exe
4784	mspaint.exe
4784	mspaint.exe
4784	mspaint.exe
4736	OpenWith.exe
440	IEXPLORE.EXE
5032	OpenWith.exe
4320	iexplore.exe
4320	iexplore.exe
5396	IEXPLORE.EXE
5396	IEXPLORE.EXE
5396	IEXPLORE.EXE
5704	OpenWith.exe
5808	OpenWith.exe
5780	WINWORD.EXE
5780	WINWORD.EXE
5992	OpenWith.exe
5780	WINWORD.EXE

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

kreo q zi.exeClient.exewmplayer.exeunregmp2.exemsedge.exe

description	pid	Process	procid_target
PID 5088 wrote to memory of 188	5088	kreo q zi.exe	92
PID 5088 wrote to memory of 188	5088	kreo q zi.exe	92
PID 5088 wrote to memory of 1884	5088	kreo q zi.exe	94
PID 5088 wrote to memory of 1884	5088	kreo q zi.exe	94
PID 1884 wrote to memory of 2108	1884	Client.exe	96
PID 1884 wrote to memory of 2108	1884	Client.exe	96
PID 1884 wrote to memory of 2088	1884	Client.exe	100
PID 1884 wrote to memory of 2088	1884	Client.exe	100
PID 3056 wrote to memory of 2616	3056	wmplayer.exe	105
PID 3056 wrote to memory of 2616	3056	wmplayer.exe	105
PID 3056 wrote to memory of 2616	3056	wmplayer.exe	105
PID 2616 wrote to memory of 2156	2616	unregmp2.exe	106
PID 2616 wrote to memory of 2156	2616	unregmp2.exe	106
PID 1884 wrote to memory of 4248	1884	Client.exe	110
PID 1884 wrote to memory of 4248	1884	Client.exe	110
PID 4248 wrote to memory of 3336	4248	msedge.exe	111
PID 4248 wrote to memory of 3336	4248	msedge.exe	111
PID 4248 wrote to memory of 1224	4248	msedge.exe	112
PID 4248 wrote to memory of 1224	4248	msedge.exe	112
PID 4248 wrote to memory of 1224	4248	msedge.exe	112
PID 4248 wrote to memory of 1224	4248	msedge.exe	112
PID 4248 wrote to memory of 1224	4248	msedge.exe	112
PID 4248 wrote to memory of 1224	4248	msedge.exe	112
PID 4248 wrote to memory of 1224	4248	msedge.exe	112
PID 4248 wrote to memory of 1224	4248	msedge.exe	112
PID 4248 wrote to memory of 1224	4248	msedge.exe	112
PID 4248 wrote to memory of 1224	4248	msedge.exe	112
PID 4248 wrote to memory of 1224	4248	msedge.exe	112
PID 4248 wrote to memory of 1224	4248	msedge.exe	112
PID 4248 wrote to memory of 1224	4248	msedge.exe	112
PID 4248 wrote to memory of 1224	4248	msedge.exe	112
PID 4248 wrote to memory of 1224	4248	msedge.exe	112
PID 4248 wrote to memory of 1224	4248	msedge.exe	112
PID 4248 wrote to memory of 1224	4248	msedge.exe	112
PID 4248 wrote to memory of 1224	4248	msedge.exe	112
PID 4248 wrote to memory of 1224	4248	msedge.exe	112
PID 4248 wrote to memory of 1224	4248	msedge.exe	112
PID 4248 wrote to memory of 1224	4248	msedge.exe	112
PID 4248 wrote to memory of 1224	4248	msedge.exe	112
PID 4248 wrote to memory of 1224	4248	msedge.exe	112
PID 4248 wrote to memory of 1224	4248	msedge.exe	112
PID 4248 wrote to memory of 1224	4248	msedge.exe	112
PID 4248 wrote to memory of 1224	4248	msedge.exe	112
PID 4248 wrote to memory of 1224	4248	msedge.exe	112
PID 4248 wrote to memory of 1224	4248	msedge.exe	112
PID 4248 wrote to memory of 1224	4248	msedge.exe	112
PID 4248 wrote to memory of 1224	4248	msedge.exe	112
PID 4248 wrote to memory of 1224	4248	msedge.exe	112
PID 4248 wrote to memory of 1224	4248	msedge.exe	112
PID 4248 wrote to memory of 1224	4248	msedge.exe	112
PID 4248 wrote to memory of 1224	4248	msedge.exe	112
PID 4248 wrote to memory of 1224	4248	msedge.exe	112
PID 4248 wrote to memory of 1224	4248	msedge.exe	112
PID 4248 wrote to memory of 1224	4248	msedge.exe	112
PID 4248 wrote to memory of 1224	4248	msedge.exe	112
PID 4248 wrote to memory of 1224	4248	msedge.exe	112
PID 4248 wrote to memory of 1224	4248	msedge.exe	112
PID 4248 wrote to memory of 1796	4248	msedge.exe	113
PID 4248 wrote to memory of 1796	4248	msedge.exe	113
PID 4248 wrote to memory of 3828	4248	msedge.exe	114
PID 4248 wrote to memory of 3828	4248	msedge.exe	114
PID 4248 wrote to memory of 3828	4248	msedge.exe	114
PID 4248 wrote to memory of 3828	4248	msedge.exe	114
PID 4248 wrote to memory of 3828	4248	msedge.exe	114

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Program Files\7-Zip\7zFM.exe
"C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\kreo q zi.7z"
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:4936

C:\Users\Admin\Desktop\kreo q zi.exe
"C:\Users\Admin\Desktop\kreo q zi.exe"
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5088
- C:\Windows\SYSTEM32\schtasks.exe
  "schtasks" /create /tn "Quasar Client Startup" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:188
- C:\Users\Admin\AppData\Roaming\SubDir\Client.exe
  "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1884
- - C:\Windows\SYSTEM32\schtasks.exe
    "schtasks" /create /tn "Quasar Client Startup" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:2108
- - C:\Windows\system32\mspaint.exe
    "C:\Windows\system32\mspaint.exe" "C:\Users\Admin\AppData\Roaming\HideSubmit.jpeg"
    3⤵
    - Drops file in Windows directory
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of SetWindowsHookEx
    PID:2088
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument C:\Users\Admin\AppData\Roaming\BackupUninstall.html
    3⤵
    - Enumerates system info in registry
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:4248
  - - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0xa4,0x124,0x148,0x44,0x14c,0x7ff9910646f8,0x7ff991064708,0x7ff991064718
      4⤵
      PID:3336
  - - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2116,646199790045207012,13095336218121478636,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2124 /prefetch:2
      4⤵
      PID:1224
  - - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=2116,646199790045207012,13095336218121478636,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2232 /prefetch:3
      4⤵
      Suspicious behavior: EnumeratesProcesses
      PID:1796
  - - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=2116,646199790045207012,13095336218121478636,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2824 /prefetch:8
      4⤵
      PID:3828
  - - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,646199790045207012,13095336218121478636,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3504 /prefetch:1
      4⤵
      PID:4988
  - - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,646199790045207012,13095336218121478636,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3516 /prefetch:1
      4⤵
      PID:4360
  - - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,646199790045207012,13095336218121478636,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3172 /prefetch:1
      4⤵
      PID:5644
  - - C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe" --configure-user-settings --verbose-logging --system-level --msedge --force-configure-user-settings
      4⤵
      PID:5940
    - - C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe
        
        "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe" --type=crashpad-handler /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Windows\TEMP\MsEdgeCrashpad --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0x264,0x268,0x26c,0x240,0x270,0x7ff7e0165460,0x7ff7e0165470,0x7ff7e0165480
        5⤵
        
        PID:5952
  - - C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2116,646199790045207012,13095336218121478636,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5656 /prefetch:8
      4⤵
      PID:6016
  - - C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2116,646199790045207012,13095336218121478636,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5656 /prefetch:8
      4⤵
      PID:5860
  - - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,646199790045207012,13095336218121478636,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5768 /prefetch:1
      4⤵
      PID:5932
  - - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,646199790045207012,13095336218121478636,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5784 /prefetch:1
      4⤵
      PID:5900
  - - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,646199790045207012,13095336218121478636,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6204 /prefetch:1
      4⤵
      PID:6200
  - - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,646199790045207012,13095336218121478636,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6164 /prefetch:1
      4⤵
      PID:6208
- - C:\Program Files\VideoLAN\VLC\vlc.exe
    "C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\AppData\Roaming\ConvertFromImport.m1v"
    3⤵
    - Suspicious behavior: AddClipboardFormatListener
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SendNotifyMessage
    - Suspicious use of SetWindowsHookEx
    PID:4324
- - C:\Program Files\VideoLAN\VLC\vlc.exe
    "C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\AppData\Roaming\DenyRepair.asf"
    3⤵
    PID:4904
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\DisconnectSet.bat" "
    3⤵
    PID:4296
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe" -nohome
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SetWindowsHookEx
    PID:4320
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4320 CREDAT:17410 /prefetch:2
      4⤵
      System Location Discovery: System Language Discovery
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:440
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4320 CREDAT:17418 /prefetch:2
      4⤵
      System Location Discovery: System Language Discovery
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:5396
- - C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\GroupReset.vbe"
    3⤵
    PID:700
- - C:\Windows\system32\mspaint.exe
    "C:\Windows\system32\mspaint.exe" "C:\Users\Admin\AppData\Roaming\HideSubmit.jpeg"
    3⤵
    - Drops file in Windows directory
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of SetWindowsHookEx
    PID:4784
- - C:\Windows\system32\NOTEPAD.EXE
    "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Roaming\InitializeUnprotect.ini
    3⤵
    - Opens file in notepad (likely ransom note)
    PID:444
- - C:\Program Files\VideoLAN\VLC\vlc.exe
    "C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\AppData\Roaming\ReceiveWait.m1v"
    3⤵
    PID:5208
- - C:\Program Files\VideoLAN\VLC\vlc.exe
    "C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\AppData\Roaming\RenameConvertFrom.ogg"
    3⤵
    PID:5236
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument C:\Users\Admin\AppData\Roaming\SelectAdd.mht
    3⤵
    PID:5464
  - - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0x144,0x148,0x14c,0x120,0x150,0x7ff9910646f8,0x7ff991064708,0x7ff991064718
      4⤵
      PID:5488
- - C:\Program Files\VideoLAN\VLC\vlc.exe
    "C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\AppData\Roaming\SelectPush.mpeg2"
    3⤵
    PID:5532
- - C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Roaming\StopComplete.docm" /o ""
    3⤵
    - Suspicious behavior: AddClipboardFormatListener
    - Suspicious use of SetWindowsHookEx
    PID:5780
- - C:\Program Files\VideoLAN\VLC\vlc.exe
    "C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\AppData\Roaming\TracePush.au"
    3⤵
    PID:5896
- - C:\Program Files\VideoLAN\VLC\vlc.exe
    "C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\AppData\Roaming\WriteStop.aif"
    3⤵
    PID:5284

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s DeviceAssociationService
1⤵
PID:2684

C:\Program Files (x86)\Windows Media Player\wmplayer.exe
"C:\Program Files (x86)\Windows Media Player\wmplayer.exe" /Play -Embedding
1⤵
- Enumerates connected drives
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3056
- C:\Windows\SysWOW64\unregmp2.exe
  "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2616
- - C:\Windows\system32\unregmp2.exe
    "C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
    3⤵
    - Enumerates connected drives
    - Suspicious use of AdjustPrivilegeToken
    PID:2156

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p -s upnphost
1⤵
- Drops file in Windows directory
PID:5072

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:3300

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4576

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:948

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:1180

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x46c 0x2f8
1⤵
PID:4580

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:4736

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:5032

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:5704

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:5808

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:5992

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

Modify Registry

T1112

Credential Access

Discovery

Browser Information Discovery

T1217

Peripheral Device Discovery

T1120

Query Registry

System Information Discovery