healer | 0d0eb08455475de62de9365a288f4b0810a5b5f3ac2e29618b8c4252bc8f15ca

Windows Service

Disable or Modify Tools

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\DisableAntiSpyware = "1"	pr615589.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\DisableRealtimeMonitoring = "1"	pr615589.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	pr615589.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	pr615589.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	pr615589.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	pr615589.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	pr615589.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"	pr615589.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	pr615589.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender Security Center\Notifications\DisableNotifications = "1"	pr615589.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/2004-64-0x0000000002420000-0x0000000002466000-memory.dmp	family_redline
behavioral1/memory/2004-65-0x0000000004B00000-0x0000000004B44000-memory.dmp	family_redline
behavioral1/memory/2004-77-0x0000000004B00000-0x0000000004B3F000-memory.dmp	family_redline
behavioral1/memory/2004-81-0x0000000004B00000-0x0000000004B3F000-memory.dmp	family_redline
behavioral1/memory/2004-99-0x0000000004B00000-0x0000000004B3F000-memory.dmp	family_redline
behavioral1/memory/2004-97-0x0000000004B00000-0x0000000004B3F000-memory.dmp	family_redline
behavioral1/memory/2004-95-0x0000000004B00000-0x0000000004B3F000-memory.dmp	family_redline
behavioral1/memory/2004-93-0x0000000004B00000-0x0000000004B3F000-memory.dmp	family_redline
behavioral1/memory/2004-91-0x0000000004B00000-0x0000000004B3F000-memory.dmp	family_redline
behavioral1/memory/2004-89-0x0000000004B00000-0x0000000004B3F000-memory.dmp	family_redline
behavioral1/memory/2004-87-0x0000000004B00000-0x0000000004B3F000-memory.dmp	family_redline
behavioral1/memory/2004-85-0x0000000004B00000-0x0000000004B3F000-memory.dmp	family_redline
behavioral1/memory/2004-83-0x0000000004B00000-0x0000000004B3F000-memory.dmp	family_redline
behavioral1/memory/2004-79-0x0000000004B00000-0x0000000004B3F000-memory.dmp	family_redline
behavioral1/memory/2004-75-0x0000000004B00000-0x0000000004B3F000-memory.dmp	family_redline
behavioral1/memory/2004-73-0x0000000004B00000-0x0000000004B3F000-memory.dmp	family_redline
behavioral1/memory/2004-71-0x0000000004B00000-0x0000000004B3F000-memory.dmp	family_redline
behavioral1/memory/2004-69-0x0000000004B00000-0x0000000004B3F000-memory.dmp	family_redline
behavioral1/memory/2004-67-0x0000000004B00000-0x0000000004B3F000-memory.dmp	family_redline
behavioral1/memory/2004-66-0x0000000004B00000-0x0000000004B3F000-memory.dmp	family_redline

Redline family
redline

Downloads MZ/PE file 1 IoCs

flow	pid	Process
67	1116	Process not Found

Executes dropped EXE 4 IoCs

pid	Process
2608	un247162.exe
4848	un929212.exe
1056	pr615589.exe
2004	qu975997.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	pr615589.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	pr615589.exe

Adds Run key to start application 2 TTPs 3 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_cleanup2 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP002.TMP\\\""	un929212.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\\\""	0d0eb08455475de62de9365a288f4b0810a5b5f3ac2e29618b8c4252bc8f15ca.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\\\""	un247162.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3812	1056	WerFault.exe	90

System Location Discovery: System Language Discovery 1 TTPs 6 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	qu975997.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MicrosoftEdgeUpdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0d0eb08455475de62de9365a288f4b0810a5b5f3ac2e29618b8c4252bc8f15ca.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	un247162.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	un929212.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	pr615589.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
6676	MicrosoftEdgeUpdate.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1056	pr615589.exe
1056	pr615589.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1056	pr615589.exe
Token: SeDebugPrivilege	2004	qu975997.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 408 wrote to memory of 2608	408	0d0eb08455475de62de9365a288f4b0810a5b5f3ac2e29618b8c4252bc8f15ca.exe	86
PID 408 wrote to memory of 2608	408	0d0eb08455475de62de9365a288f4b0810a5b5f3ac2e29618b8c4252bc8f15ca.exe	86
PID 408 wrote to memory of 2608	408	0d0eb08455475de62de9365a288f4b0810a5b5f3ac2e29618b8c4252bc8f15ca.exe	86
PID 2608 wrote to memory of 4848	2608	un247162.exe	88
PID 2608 wrote to memory of 4848	2608	un247162.exe	88
PID 2608 wrote to memory of 4848	2608	un247162.exe	88
PID 4848 wrote to memory of 1056	4848	un929212.exe	90
PID 4848 wrote to memory of 1056	4848	un929212.exe	90
PID 4848 wrote to memory of 1056	4848	un929212.exe	90
PID 4848 wrote to memory of 2004	4848	un929212.exe	95
PID 4848 wrote to memory of 2004	4848	un929212.exe	95
PID 4848 wrote to memory of 2004	4848	un929212.exe	95

C:\Users\Admin\AppData\Local\Temp\0d0eb08455475de62de9365a288f4b0810a5b5f3ac2e29618b8c4252bc8f15ca.exe
"C:\Users\Admin\AppData\Local\Temp\0d0eb08455475de62de9365a288f4b0810a5b5f3ac2e29618b8c4252bc8f15ca.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:408
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un247162.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un247162.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2608
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\un929212.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\un929212.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4848
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\pr615589.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\pr615589.exe
      4⤵
      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:1056
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1056 -s 1096
        5⤵
        Program crash
        
        PID:3812
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\qu975997.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\qu975997.exe
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      PID:2004

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1056 -ip 1056
1⤵
PID:4024

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSI0IiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDY0MzMiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxODc1OTU2NTAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1MDcwMDk2NjU1Ii8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:6676

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