healer | 0d3b033a15d9a368347b297bc6a862068e9470e3a8c197f872bd72a0a96e7fbb

Windows Service

Disable or Modify Tools

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\DisableAntiSpyware = "1"	aIb63VR.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\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	aIb63VR.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	aIb63VR.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	aIb63VR.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	aIb63VR.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	aIb63VR.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	aIb63VR.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\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	aIb63VR.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\WOW6432Node\Policies\Microsoft\Windows Defender Security Center\Notifications	aIb63VR.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender Security Center\Notifications\DisableNotifications = "1"	aIb63VR.exe

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

RedLine payload 20 IoCs

resource	yara_rule
behavioral1/memory/4952-67-0x0000000004AC0000-0x0000000004B06000-memory.dmp	family_redline
behavioral1/memory/4952-68-0x0000000004B40000-0x0000000004B84000-memory.dmp	family_redline
behavioral1/memory/4952-78-0x0000000004B40000-0x0000000004B7E000-memory.dmp	family_redline
behavioral1/memory/4952-82-0x0000000004B40000-0x0000000004B7E000-memory.dmp	family_redline
behavioral1/memory/4952-80-0x0000000004B40000-0x0000000004B7E000-memory.dmp	family_redline
behavioral1/memory/4952-76-0x0000000004B40000-0x0000000004B7E000-memory.dmp	family_redline
behavioral1/memory/4952-74-0x0000000004B40000-0x0000000004B7E000-memory.dmp	family_redline
behavioral1/memory/4952-98-0x0000000004B40000-0x0000000004B7E000-memory.dmp	family_redline
behavioral1/memory/4952-72-0x0000000004B40000-0x0000000004B7E000-memory.dmp	family_redline
behavioral1/memory/4952-70-0x0000000004B40000-0x0000000004B7E000-memory.dmp	family_redline
behavioral1/memory/4952-69-0x0000000004B40000-0x0000000004B7E000-memory.dmp	family_redline
behavioral1/memory/4952-102-0x0000000004B40000-0x0000000004B7E000-memory.dmp	family_redline
behavioral1/memory/4952-100-0x0000000004B40000-0x0000000004B7E000-memory.dmp	family_redline
behavioral1/memory/4952-96-0x0000000004B40000-0x0000000004B7E000-memory.dmp	family_redline
behavioral1/memory/4952-94-0x0000000004B40000-0x0000000004B7E000-memory.dmp	family_redline
behavioral1/memory/4952-92-0x0000000004B40000-0x0000000004B7E000-memory.dmp	family_redline
behavioral1/memory/4952-90-0x0000000004B40000-0x0000000004B7E000-memory.dmp	family_redline
behavioral1/memory/4952-88-0x0000000004B40000-0x0000000004B7E000-memory.dmp	family_redline
behavioral1/memory/4952-86-0x0000000004B40000-0x0000000004B7E000-memory.dmp	family_redline
behavioral1/memory/4952-84-0x0000000004B40000-0x0000000004B7E000-memory.dmp	family_redline

Redline family
redline

Downloads MZ/PE file 1 IoCs

flow	pid	Process
54	2452	Process not Found

Executes dropped EXE 5 IoCs

pid	Process
4668	nov07Vr.exe
352	nDc03cb.exe
1124	nlP46nz.exe
876	aIb63VR.exe
4952	bBh41Wa.exe

Windows security modification 2 TTPs 2 IoCs

defense_evasion trojan

Disable or Modify Tools

Modify Registry

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	aIb63VR.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	aIb63VR.exe

Adds Run key to start application 2 TTPs 4 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_cleanup1 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP001.TMP\\\""	nov07Vr.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\\\""	nDc03cb.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\\\""	nlP46nz.exe
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\\\""	0d3b033a15d9a368347b297bc6a862068e9470e3a8c197f872bd72a0a96e7fbb.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1412	876	WerFault.exe	90

System Location Discovery: System Language Discovery 1 TTPs 7 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	nov07Vr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nDc03cb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nlP46nz.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	aIb63VR.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bBh41Wa.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MicrosoftEdgeUpdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0d3b033a15d9a368347b297bc6a862068e9470e3a8c197f872bd72a0a96e7fbb.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
6064	MicrosoftEdgeUpdate.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
876	aIb63VR.exe
876	aIb63VR.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	876	aIb63VR.exe
Token: SeDebugPrivilege	4952	bBh41Wa.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1280 wrote to memory of 4668	1280	0d3b033a15d9a368347b297bc6a862068e9470e3a8c197f872bd72a0a96e7fbb.exe	87
PID 1280 wrote to memory of 4668	1280	0d3b033a15d9a368347b297bc6a862068e9470e3a8c197f872bd72a0a96e7fbb.exe	87
PID 1280 wrote to memory of 4668	1280	0d3b033a15d9a368347b297bc6a862068e9470e3a8c197f872bd72a0a96e7fbb.exe	87
PID 4668 wrote to memory of 352	4668	nov07Vr.exe	88
PID 4668 wrote to memory of 352	4668	nov07Vr.exe	88
PID 4668 wrote to memory of 352	4668	nov07Vr.exe	88
PID 352 wrote to memory of 1124	352	nDc03cb.exe	89
PID 352 wrote to memory of 1124	352	nDc03cb.exe	89
PID 352 wrote to memory of 1124	352	nDc03cb.exe	89
PID 1124 wrote to memory of 876	1124	nlP46nz.exe	90
PID 1124 wrote to memory of 876	1124	nlP46nz.exe	90
PID 1124 wrote to memory of 876	1124	nlP46nz.exe	90
PID 1124 wrote to memory of 4952	1124	nlP46nz.exe	99
PID 1124 wrote to memory of 4952	1124	nlP46nz.exe	99
PID 1124 wrote to memory of 4952	1124	nlP46nz.exe	99

C:\Users\Admin\AppData\Local\Temp\0d3b033a15d9a368347b297bc6a862068e9470e3a8c197f872bd72a0a96e7fbb.exe
"C:\Users\Admin\AppData\Local\Temp\0d3b033a15d9a368347b297bc6a862068e9470e3a8c197f872bd72a0a96e7fbb.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1280
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nov07Vr.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nov07Vr.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4668
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\nDc03cb.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\nDc03cb.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:352
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\nlP46nz.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\nlP46nz.exe
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:1124
    - - C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\aIb63VR.exe
        
        C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\aIb63VR.exe
        5⤵
        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
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:876
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 876 -s 1092
        6⤵
        Program crash
        
        PID:1412
    - - C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\bBh41Wa.exe
        
        C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\bBh41Wa.exe
        5⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        Suspicious use of AdjustPrivilegeToken
        
        PID:4952

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 876 -ip 876
1⤵
PID:1632

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSI4IiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDU5ODUiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxODQ0NDQzNjAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI0OTg0Njg4Mzc4Ii8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:6064

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