healer | 623d879734f42cab0cd23bf39e73f67d960d9969c17f9a4ec6813299e9f316f4

Windows Service

Disable or Modify Tools

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\DisableAntiSpyware = "1"	buEa09ZA24.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\Policies\Microsoft\Windows Defender\Real-Time Protection	buEa09ZA24.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	buEa09ZA24.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	buEa09ZA24.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	buEa09ZA24.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	buEa09ZA24.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	buEa09ZA24.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"	buEa09ZA24.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	buEa09ZA24.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender Security Center\Notifications\DisableNotifications = "1"	buEa09ZA24.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/5072-42-0x0000000004BA0000-0x0000000004BE6000-memory.dmp	family_redline
behavioral1/memory/5072-44-0x0000000007190000-0x00000000071D4000-memory.dmp	family_redline
behavioral1/memory/5072-54-0x0000000007190000-0x00000000071CE000-memory.dmp	family_redline
behavioral1/memory/5072-58-0x0000000007190000-0x00000000071CE000-memory.dmp	family_redline
behavioral1/memory/5072-108-0x0000000007190000-0x00000000071CE000-memory.dmp	family_redline
behavioral1/memory/5072-106-0x0000000007190000-0x00000000071CE000-memory.dmp	family_redline
behavioral1/memory/5072-104-0x0000000007190000-0x00000000071CE000-memory.dmp	family_redline
behavioral1/memory/5072-102-0x0000000007190000-0x00000000071CE000-memory.dmp	family_redline
behavioral1/memory/5072-100-0x0000000007190000-0x00000000071CE000-memory.dmp	family_redline
behavioral1/memory/5072-98-0x0000000007190000-0x00000000071CE000-memory.dmp	family_redline
behavioral1/memory/5072-96-0x0000000007190000-0x00000000071CE000-memory.dmp	family_redline
behavioral1/memory/5072-92-0x0000000007190000-0x00000000071CE000-memory.dmp	family_redline
behavioral1/memory/5072-90-0x0000000007190000-0x00000000071CE000-memory.dmp	family_redline
behavioral1/memory/5072-88-0x0000000007190000-0x00000000071CE000-memory.dmp	family_redline
behavioral1/memory/5072-86-0x0000000007190000-0x00000000071CE000-memory.dmp	family_redline
behavioral1/memory/5072-84-0x0000000007190000-0x00000000071CE000-memory.dmp	family_redline
behavioral1/memory/5072-82-0x0000000007190000-0x00000000071CE000-memory.dmp	family_redline
behavioral1/memory/5072-80-0x0000000007190000-0x00000000071CE000-memory.dmp	family_redline
behavioral1/memory/5072-78-0x0000000007190000-0x00000000071CE000-memory.dmp	family_redline
behavioral1/memory/5072-76-0x0000000007190000-0x00000000071CE000-memory.dmp	family_redline
behavioral1/memory/5072-72-0x0000000007190000-0x00000000071CE000-memory.dmp	family_redline
behavioral1/memory/5072-70-0x0000000007190000-0x00000000071CE000-memory.dmp	family_redline
behavioral1/memory/5072-68-0x0000000007190000-0x00000000071CE000-memory.dmp	family_redline
behavioral1/memory/5072-66-0x0000000007190000-0x00000000071CE000-memory.dmp	family_redline
behavioral1/memory/5072-64-0x0000000007190000-0x00000000071CE000-memory.dmp	family_redline
behavioral1/memory/5072-62-0x0000000007190000-0x00000000071CE000-memory.dmp	family_redline
behavioral1/memory/5072-60-0x0000000007190000-0x00000000071CE000-memory.dmp	family_redline
behavioral1/memory/5072-56-0x0000000007190000-0x00000000071CE000-memory.dmp	family_redline
behavioral1/memory/5072-52-0x0000000007190000-0x00000000071CE000-memory.dmp	family_redline
behavioral1/memory/5072-50-0x0000000007190000-0x00000000071CE000-memory.dmp	family_redline
behavioral1/memory/5072-94-0x0000000007190000-0x00000000071CE000-memory.dmp	family_redline
behavioral1/memory/5072-74-0x0000000007190000-0x00000000071CE000-memory.dmp	family_redline
behavioral1/memory/5072-48-0x0000000007190000-0x00000000071CE000-memory.dmp	family_redline
behavioral1/memory/5072-46-0x0000000007190000-0x00000000071CE000-memory.dmp	family_redline
behavioral1/memory/5072-45-0x0000000007190000-0x00000000071CE000-memory.dmp	family_redline

Redline family
redline

Downloads MZ/PE file 1 IoCs

flow	pid	Process
34	4836	Process not Found

Executes dropped EXE 6 IoCs

pid	Process
1996	plUq13Cd16.exe
4976	pleM37Qh78.exe
2460	plyr33LB00.exe
340	pldO82BE25.exe
2128	buEa09ZA24.exe
5072	caXv66kg14.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"	buEa09ZA24.exe

Adds Run key to start application 2 TTPs 5 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\\\""	623d879734f42cab0cd23bf39e73f67d960d9969c17f9a4ec6813299e9f316f4.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\\\""	plUq13Cd16.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\\\""	pleM37Qh78.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\\\""	plyr33LB00.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\\\""	pldO82BE25.exe

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	plUq13Cd16.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	pleM37Qh78.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	plyr33LB00.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	pldO82BE25.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MicrosoftEdgeUpdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	caXv66kg14.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	623d879734f42cab0cd23bf39e73f67d960d9969c17f9a4ec6813299e9f316f4.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
2192	MicrosoftEdgeUpdate.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2128	buEa09ZA24.exe
2128	buEa09ZA24.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2128	buEa09ZA24.exe
Token: SeDebugPrivilege	5072	caXv66kg14.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2916 wrote to memory of 1996	2916	623d879734f42cab0cd23bf39e73f67d960d9969c17f9a4ec6813299e9f316f4.exe	87
PID 2916 wrote to memory of 1996	2916	623d879734f42cab0cd23bf39e73f67d960d9969c17f9a4ec6813299e9f316f4.exe	87
PID 2916 wrote to memory of 1996	2916	623d879734f42cab0cd23bf39e73f67d960d9969c17f9a4ec6813299e9f316f4.exe	87
PID 1996 wrote to memory of 4976	1996	plUq13Cd16.exe	88
PID 1996 wrote to memory of 4976	1996	plUq13Cd16.exe	88
PID 1996 wrote to memory of 4976	1996	plUq13Cd16.exe	88
PID 4976 wrote to memory of 2460	4976	pleM37Qh78.exe	89
PID 4976 wrote to memory of 2460	4976	pleM37Qh78.exe	89
PID 4976 wrote to memory of 2460	4976	pleM37Qh78.exe	89
PID 2460 wrote to memory of 340	2460	plyr33LB00.exe	90
PID 2460 wrote to memory of 340	2460	plyr33LB00.exe	90
PID 2460 wrote to memory of 340	2460	plyr33LB00.exe	90
PID 340 wrote to memory of 2128	340	pldO82BE25.exe	91
PID 340 wrote to memory of 2128	340	pldO82BE25.exe	91
PID 340 wrote to memory of 5072	340	pldO82BE25.exe	95
PID 340 wrote to memory of 5072	340	pldO82BE25.exe	95
PID 340 wrote to memory of 5072	340	pldO82BE25.exe	95

C:\Users\Admin\AppData\Local\Temp\623d879734f42cab0cd23bf39e73f67d960d9969c17f9a4ec6813299e9f316f4.exe
"C:\Users\Admin\AppData\Local\Temp\623d879734f42cab0cd23bf39e73f67d960d9969c17f9a4ec6813299e9f316f4.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2916
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\plUq13Cd16.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\plUq13Cd16.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1996
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pleM37Qh78.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pleM37Qh78.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4976
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\plyr33LB00.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\plyr33LB00.exe
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2460
    - - C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\pldO82BE25.exe
        
        C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\pldO82BE25.exe
        5⤵
        Executes dropped EXE
        Adds Run key to start application
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:340
      - C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\buEa09ZA24.exe
        
        C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\buEa09ZA24.exe
        6⤵
        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:2128
      - C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\caXv66kg14.exe
        
        C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\caXv66kg14.exe
        6⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        Suspicious use of AdjustPrivilegeToken
        
        PID:5072

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSI1IiBpbnN0YWxsZGF0ZXRpbWU9IjE3MzkyODMzNzEiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4Mzc1NDE5Mjc1MzAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI0ODcxMjUwMzQ5Ii8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:2192

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