healer | 64f4c7d7ba229f8634e454adb0af4965717f769288ef48e2f0f7f95b404164fb

Windows Service

Disable or Modify Tools

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\DisableAntiSpyware = "1"	iHH71nh.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
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	iHH71nh.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	iHH71nh.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	iHH71nh.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	iHH71nh.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	iHH71nh.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	iHH71nh.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"	iHH71nh.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	iHH71nh.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender Security Center\Notifications\DisableNotifications = "1"	iHH71nh.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/5108-60-0x0000000002530000-0x0000000002576000-memory.dmp	family_redline
behavioral1/memory/5108-61-0x00000000026F0000-0x0000000002734000-memory.dmp	family_redline
behavioral1/memory/5108-75-0x00000000026F0000-0x000000000272E000-memory.dmp	family_redline
behavioral1/memory/5108-79-0x00000000026F0000-0x000000000272E000-memory.dmp	family_redline
behavioral1/memory/5108-95-0x00000000026F0000-0x000000000272E000-memory.dmp	family_redline
behavioral1/memory/5108-93-0x00000000026F0000-0x000000000272E000-memory.dmp	family_redline
behavioral1/memory/5108-89-0x00000000026F0000-0x000000000272E000-memory.dmp	family_redline
behavioral1/memory/5108-87-0x00000000026F0000-0x000000000272E000-memory.dmp	family_redline
behavioral1/memory/5108-85-0x00000000026F0000-0x000000000272E000-memory.dmp	family_redline
behavioral1/memory/5108-83-0x00000000026F0000-0x000000000272E000-memory.dmp	family_redline
behavioral1/memory/5108-81-0x00000000026F0000-0x000000000272E000-memory.dmp	family_redline
behavioral1/memory/5108-77-0x00000000026F0000-0x000000000272E000-memory.dmp	family_redline
behavioral1/memory/5108-73-0x00000000026F0000-0x000000000272E000-memory.dmp	family_redline
behavioral1/memory/5108-71-0x00000000026F0000-0x000000000272E000-memory.dmp	family_redline
behavioral1/memory/5108-69-0x00000000026F0000-0x000000000272E000-memory.dmp	family_redline
behavioral1/memory/5108-67-0x00000000026F0000-0x000000000272E000-memory.dmp	family_redline
behavioral1/memory/5108-91-0x00000000026F0000-0x000000000272E000-memory.dmp	family_redline
behavioral1/memory/5108-65-0x00000000026F0000-0x000000000272E000-memory.dmp	family_redline
behavioral1/memory/5108-63-0x00000000026F0000-0x000000000272E000-memory.dmp	family_redline
behavioral1/memory/5108-62-0x00000000026F0000-0x000000000272E000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 4 IoCs

pid	Process
4156	sEo98tH.exe
2128	slp02vc.exe
4348	iHH71nh.exe
5108	kfB24An.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	iHH71nh.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	iHH71nh.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_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	64f4c7d7ba229f8634e454adb0af4965717f769288ef48e2f0f7f95b404164fb.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\\\""	sEo98tH.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\\\""	slp02vc.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1860	4348	WerFault.exe	89

System Location Discovery: System Language Discovery 1 TTPs 5 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	iHH71nh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	kfB24An.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	64f4c7d7ba229f8634e454adb0af4965717f769288ef48e2f0f7f95b404164fb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sEo98tH.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	slp02vc.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4348	iHH71nh.exe
4348	iHH71nh.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4348	iHH71nh.exe
Token: SeDebugPrivilege	5108	kfB24An.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 352 wrote to memory of 4156	352	64f4c7d7ba229f8634e454adb0af4965717f769288ef48e2f0f7f95b404164fb.exe	86
PID 352 wrote to memory of 4156	352	64f4c7d7ba229f8634e454adb0af4965717f769288ef48e2f0f7f95b404164fb.exe	86
PID 352 wrote to memory of 4156	352	64f4c7d7ba229f8634e454adb0af4965717f769288ef48e2f0f7f95b404164fb.exe	86
PID 4156 wrote to memory of 2128	4156	sEo98tH.exe	88
PID 4156 wrote to memory of 2128	4156	sEo98tH.exe	88
PID 4156 wrote to memory of 2128	4156	sEo98tH.exe	88
PID 2128 wrote to memory of 4348	2128	slp02vc.exe	89
PID 2128 wrote to memory of 4348	2128	slp02vc.exe	89
PID 2128 wrote to memory of 4348	2128	slp02vc.exe	89
PID 2128 wrote to memory of 5108	2128	slp02vc.exe	95
PID 2128 wrote to memory of 5108	2128	slp02vc.exe	95
PID 2128 wrote to memory of 5108	2128	slp02vc.exe	95

C:\Users\Admin\AppData\Local\Temp\64f4c7d7ba229f8634e454adb0af4965717f769288ef48e2f0f7f95b404164fb.exe
"C:\Users\Admin\AppData\Local\Temp\64f4c7d7ba229f8634e454adb0af4965717f769288ef48e2f0f7f95b404164fb.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:352
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sEo98tH.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sEo98tH.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4156
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\slp02vc.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\slp02vc.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2128
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\iHH71nh.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\iHH71nh.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:4348
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4348 -s 1080
        5⤵
        Program crash
        
        PID:1860
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\kfB24An.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\kfB24An.exe
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      PID:5108

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4348 -ip 4348
1⤵
PID:4912

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