healer | 8d7c8d63b8ad88342580aa221757ae1117136cd7a617ab2fbd7e4a18ca0feddb

Windows Service

Disable or Modify Tools

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\DisableAntiSpyware = "1"	bedr33UG91.exe

Modifies Windows Defender Real-time Protection settings 3 TTPs 6 IoCs

defense_evasion trojan

Modify Registry

Windows Service

Disable or Modify Tools

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	bedr33UG91.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	bedr33UG91.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	bedr33UG91.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	bedr33UG91.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	bedr33UG91.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	bedr33UG91.exe

Modifies Windows Defender TamperProtection settings 3 TTPs 1 IoCs

evasion trojan

Modify Registry

Windows Service

Disable or Modify Tools

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0"	bedr33UG91.exe

Modifies Windows Defender notification settings 3 TTPs 2 IoCs

defense_evasion trojan

Windows Service

Modify Registry

Disable or Modify Tools

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender Security Center\Notifications	bedr33UG91.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender Security Center\Notifications\DisableNotifications = "1"	bedr33UG91.exe

RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
infostealer redline

RedLine payload 35 IoCs

resource	yara_rule
behavioral1/memory/4876-48-0x0000000004C20000-0x0000000004C66000-memory.dmp	family_redline
behavioral1/memory/4876-50-0x0000000004EC0000-0x0000000004F04000-memory.dmp	family_redline
behavioral1/memory/4876-54-0x0000000004EC0000-0x0000000004EFE000-memory.dmp	family_redline
behavioral1/memory/4876-68-0x0000000004EC0000-0x0000000004EFE000-memory.dmp	family_redline
behavioral1/memory/4876-114-0x0000000004EC0000-0x0000000004EFE000-memory.dmp	family_redline
behavioral1/memory/4876-112-0x0000000004EC0000-0x0000000004EFE000-memory.dmp	family_redline
behavioral1/memory/4876-108-0x0000000004EC0000-0x0000000004EFE000-memory.dmp	family_redline
behavioral1/memory/4876-106-0x0000000004EC0000-0x0000000004EFE000-memory.dmp	family_redline
behavioral1/memory/4876-104-0x0000000004EC0000-0x0000000004EFE000-memory.dmp	family_redline
behavioral1/memory/4876-102-0x0000000004EC0000-0x0000000004EFE000-memory.dmp	family_redline
behavioral1/memory/4876-100-0x0000000004EC0000-0x0000000004EFE000-memory.dmp	family_redline
behavioral1/memory/4876-98-0x0000000004EC0000-0x0000000004EFE000-memory.dmp	family_redline
behavioral1/memory/4876-96-0x0000000004EC0000-0x0000000004EFE000-memory.dmp	family_redline
behavioral1/memory/4876-94-0x0000000004EC0000-0x0000000004EFE000-memory.dmp	family_redline
behavioral1/memory/4876-92-0x0000000004EC0000-0x0000000004EFE000-memory.dmp	family_redline
behavioral1/memory/4876-88-0x0000000004EC0000-0x0000000004EFE000-memory.dmp	family_redline
behavioral1/memory/4876-86-0x0000000004EC0000-0x0000000004EFE000-memory.dmp	family_redline
behavioral1/memory/4876-85-0x0000000004EC0000-0x0000000004EFE000-memory.dmp	family_redline
behavioral1/memory/4876-82-0x0000000004EC0000-0x0000000004EFE000-memory.dmp	family_redline
behavioral1/memory/4876-80-0x0000000004EC0000-0x0000000004EFE000-memory.dmp	family_redline
behavioral1/memory/4876-78-0x0000000004EC0000-0x0000000004EFE000-memory.dmp	family_redline
behavioral1/memory/4876-76-0x0000000004EC0000-0x0000000004EFE000-memory.dmp	family_redline
behavioral1/memory/4876-74-0x0000000004EC0000-0x0000000004EFE000-memory.dmp	family_redline
behavioral1/memory/4876-72-0x0000000004EC0000-0x0000000004EFE000-memory.dmp	family_redline
behavioral1/memory/4876-66-0x0000000004EC0000-0x0000000004EFE000-memory.dmp	family_redline
behavioral1/memory/4876-64-0x0000000004EC0000-0x0000000004EFE000-memory.dmp	family_redline
behavioral1/memory/4876-62-0x0000000004EC0000-0x0000000004EFE000-memory.dmp	family_redline
behavioral1/memory/4876-60-0x0000000004EC0000-0x0000000004EFE000-memory.dmp	family_redline
behavioral1/memory/4876-58-0x0000000004EC0000-0x0000000004EFE000-memory.dmp	family_redline
behavioral1/memory/4876-56-0x0000000004EC0000-0x0000000004EFE000-memory.dmp	family_redline
behavioral1/memory/4876-110-0x0000000004EC0000-0x0000000004EFE000-memory.dmp	family_redline
behavioral1/memory/4876-90-0x0000000004EC0000-0x0000000004EFE000-memory.dmp	family_redline
behavioral1/memory/4876-70-0x0000000004EC0000-0x0000000004EFE000-memory.dmp	family_redline
behavioral1/memory/4876-52-0x0000000004EC0000-0x0000000004EFE000-memory.dmp	family_redline
behavioral1/memory/4876-51-0x0000000004EC0000-0x0000000004EFE000-memory.dmp	family_redline

Redline family
redline

Downloads MZ/PE file 1 IoCs

flow	pid	Process
31	3976	Process not Found

Executes dropped EXE 7 IoCs

pid	Process
756	ptuh4353dI.exe
1220	ptvZ1967Yv.exe
1512	ptHy2388YZ.exe
396	ptVM3522rs.exe
1892	ptsj3429xv.exe
5104	bedr33UG91.exe
4876	cuPW84kC76.exe

Windows security modification 2 TTPs 1 IoCs

defense_evasion trojan

Disable or Modify Tools

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0"	bedr33UG91.exe

Adds Run key to start application 2 TTPs 6 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	8d7c8d63b8ad88342580aa221757ae1117136cd7a617ab2fbd7e4a18ca0feddbN.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup1 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP001.TMP\\\""	ptuh4353dI.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup2 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP002.TMP\\\""	ptvZ1967Yv.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup3 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP003.TMP\\\""	ptHy2388YZ.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup4 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP004.TMP\\\""	ptVM3522rs.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup5 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP005.TMP\\\""	ptsj3429xv.exe

System Location Discovery: System Language Discovery 1 TTPs 8 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	ptHy2388YZ.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ptVM3522rs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ptsj3429xv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cuPW84kC76.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MicrosoftEdgeUpdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8d7c8d63b8ad88342580aa221757ae1117136cd7a617ab2fbd7e4a18ca0feddbN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ptuh4353dI.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ptvZ1967Yv.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
556	MicrosoftEdgeUpdate.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5104	bedr33UG91.exe
5104	bedr33UG91.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	5104	bedr33UG91.exe
Token: SeDebugPrivilege	4876	cuPW84kC76.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 4072 wrote to memory of 756	4072	8d7c8d63b8ad88342580aa221757ae1117136cd7a617ab2fbd7e4a18ca0feddbN.exe	87
PID 4072 wrote to memory of 756	4072	8d7c8d63b8ad88342580aa221757ae1117136cd7a617ab2fbd7e4a18ca0feddbN.exe	87
PID 4072 wrote to memory of 756	4072	8d7c8d63b8ad88342580aa221757ae1117136cd7a617ab2fbd7e4a18ca0feddbN.exe	87
PID 756 wrote to memory of 1220	756	ptuh4353dI.exe	88
PID 756 wrote to memory of 1220	756	ptuh4353dI.exe	88
PID 756 wrote to memory of 1220	756	ptuh4353dI.exe	88
PID 1220 wrote to memory of 1512	1220	ptvZ1967Yv.exe	89
PID 1220 wrote to memory of 1512	1220	ptvZ1967Yv.exe	89
PID 1220 wrote to memory of 1512	1220	ptvZ1967Yv.exe	89
PID 1512 wrote to memory of 396	1512	ptHy2388YZ.exe	90
PID 1512 wrote to memory of 396	1512	ptHy2388YZ.exe	90
PID 1512 wrote to memory of 396	1512	ptHy2388YZ.exe	90
PID 396 wrote to memory of 1892	396	ptVM3522rs.exe	92
PID 396 wrote to memory of 1892	396	ptVM3522rs.exe	92
PID 396 wrote to memory of 1892	396	ptVM3522rs.exe	92
PID 1892 wrote to memory of 5104	1892	ptsj3429xv.exe	93
PID 1892 wrote to memory of 5104	1892	ptsj3429xv.exe	93
PID 1892 wrote to memory of 4876	1892	ptsj3429xv.exe	99
PID 1892 wrote to memory of 4876	1892	ptsj3429xv.exe	99
PID 1892 wrote to memory of 4876	1892	ptsj3429xv.exe	99

C:\Users\Admin\AppData\Local\Temp\8d7c8d63b8ad88342580aa221757ae1117136cd7a617ab2fbd7e4a18ca0feddbN.exe
"C:\Users\Admin\AppData\Local\Temp\8d7c8d63b8ad88342580aa221757ae1117136cd7a617ab2fbd7e4a18ca0feddbN.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4072
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ptuh4353dI.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ptuh4353dI.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:756
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ptvZ1967Yv.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ptvZ1967Yv.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1220
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\ptHy2388YZ.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\ptHy2388YZ.exe
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:1512
    - - C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\ptVM3522rs.exe
        
        C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\ptVM3522rs.exe
        5⤵
        Executes dropped EXE
        Adds Run key to start application
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:396
      - C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\ptsj3429xv.exe
        
        C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\ptsj3429xv.exe
        6⤵
        Executes dropped EXE
        Adds Run key to start application
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:1892
        
        C:\Users\Admin\AppData\Local\Temp\IXP005.TMP\bedr33UG91.exe
        
        C:\Users\Admin\AppData\Local\Temp\IXP005.TMP\bedr33UG91.exe
        7⤵
        Modifies Windows Defender DisableAntiSpyware settings
        Modifies Windows Defender Real-time Protection settings
        Modifies Windows Defender TamperProtection settings
        Modifies Windows Defender notification settings
        Executes dropped EXE
        Windows security modification
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:5104
        
        C:\Users\Admin\AppData\Local\Temp\IXP005.TMP\cuPW84kC76.exe
        
        C:\Users\Admin\AppData\Local\Temp\IXP005.TMP\cuPW84kC76.exe
        7⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        Suspicious use of AdjustPrivilegeToken
        
        PID:4876

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSI4IiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDU5MjEiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxODE5ODA3NzAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1MTAxOTM5NDUzIi8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:556

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

Defense Evasion

Impair Defenses

T1562

Disable or Modify Tools

Modify Registry