healer | c6acd7bd12bd25fce3cf5aee3f4ac6ead7a3e8d0bcdcb330aab7e61f535e4e81

Windows Service

Disable or Modify Tools

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\DisableAntiSpyware = "1"	arO30Oe.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\DisableScanOnRealtimeEnable = "1"	arO30Oe.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	arO30Oe.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	arO30Oe.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	arO30Oe.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	arO30Oe.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	arO30Oe.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"	arO30Oe.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	arO30Oe.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender Security Center\Notifications\DisableNotifications = "1"	arO30Oe.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/2216-72-0x0000000004930000-0x0000000004976000-memory.dmp	family_redline
behavioral1/memory/2216-73-0x00000000049F0000-0x0000000004A34000-memory.dmp	family_redline
behavioral1/files/0x000a000000023d1e-75.dat	family_redline
behavioral1/memory/2216-95-0x00000000049F0000-0x0000000004A2E000-memory.dmp	family_redline
behavioral1/memory/2216-101-0x00000000049F0000-0x0000000004A2E000-memory.dmp	family_redline
behavioral1/memory/2216-105-0x00000000049F0000-0x0000000004A2E000-memory.dmp	family_redline
behavioral1/memory/3076-276-0x00000000005A0000-0x00000000005D2000-memory.dmp	family_redline
behavioral1/memory/2216-103-0x00000000049F0000-0x0000000004A2E000-memory.dmp	family_redline
behavioral1/memory/2216-99-0x00000000049F0000-0x0000000004A2E000-memory.dmp	family_redline
behavioral1/memory/2216-97-0x00000000049F0000-0x0000000004A2E000-memory.dmp	family_redline
behavioral1/memory/2216-93-0x00000000049F0000-0x0000000004A2E000-memory.dmp	family_redline
behavioral1/memory/2216-91-0x00000000049F0000-0x0000000004A2E000-memory.dmp	family_redline
behavioral1/memory/2216-89-0x00000000049F0000-0x0000000004A2E000-memory.dmp	family_redline
behavioral1/memory/2216-87-0x00000000049F0000-0x0000000004A2E000-memory.dmp	family_redline
behavioral1/memory/2216-85-0x00000000049F0000-0x0000000004A2E000-memory.dmp	family_redline
behavioral1/memory/2216-83-0x00000000049F0000-0x0000000004A2E000-memory.dmp	family_redline
behavioral1/memory/2216-81-0x00000000049F0000-0x0000000004A2E000-memory.dmp	family_redline
behavioral1/memory/2216-79-0x00000000049F0000-0x0000000004A2E000-memory.dmp	family_redline
behavioral1/memory/2216-76-0x00000000049F0000-0x0000000004A2E000-memory.dmp	family_redline
behavioral1/memory/2216-77-0x00000000049F0000-0x0000000004A2E000-memory.dmp	family_redline

Redline family
redline

Downloads MZ/PE file 1 IoCs

flow	pid	Process
41	5384	Process not Found

Executes dropped EXE 6 IoCs

pid	Process
2132	nrH64jK.exe
4960	nHh07ke.exe
3380	arO30Oe.exe
396	bhT46xU.exe
2216	bhT46xU.exe
3076	dcL31iB.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	arO30Oe.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	arO30Oe.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\\\""	c6acd7bd12bd25fce3cf5aee3f4ac6ead7a3e8d0bcdcb330aab7e61f535e4e81.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\\\""	nrH64jK.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\\\""	nHh07ke.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 396 set thread context of 2216	396	bhT46xU.exe	99

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3552	3380	WerFault.exe	87

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	nHh07ke.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	arO30Oe.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bhT46xU.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bhT46xU.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dcL31iB.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MicrosoftEdgeUpdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c6acd7bd12bd25fce3cf5aee3f4ac6ead7a3e8d0bcdcb330aab7e61f535e4e81.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nrH64jK.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
5188	MicrosoftEdgeUpdate.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3380	arO30Oe.exe
3380	arO30Oe.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3380	arO30Oe.exe
Token: SeDebugPrivilege	2216	bhT46xU.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 3960 wrote to memory of 2132	3960	c6acd7bd12bd25fce3cf5aee3f4ac6ead7a3e8d0bcdcb330aab7e61f535e4e81.exe	85
PID 3960 wrote to memory of 2132	3960	c6acd7bd12bd25fce3cf5aee3f4ac6ead7a3e8d0bcdcb330aab7e61f535e4e81.exe	85
PID 3960 wrote to memory of 2132	3960	c6acd7bd12bd25fce3cf5aee3f4ac6ead7a3e8d0bcdcb330aab7e61f535e4e81.exe	85
PID 2132 wrote to memory of 4960	2132	nrH64jK.exe	86
PID 2132 wrote to memory of 4960	2132	nrH64jK.exe	86
PID 2132 wrote to memory of 4960	2132	nrH64jK.exe	86
PID 4960 wrote to memory of 3380	4960	nHh07ke.exe	87
PID 4960 wrote to memory of 3380	4960	nHh07ke.exe	87
PID 4960 wrote to memory of 3380	4960	nHh07ke.exe	87
PID 4960 wrote to memory of 396	4960	nHh07ke.exe	98
PID 4960 wrote to memory of 396	4960	nHh07ke.exe	98
PID 4960 wrote to memory of 396	4960	nHh07ke.exe	98
PID 396 wrote to memory of 2216	396	bhT46xU.exe	99
PID 396 wrote to memory of 2216	396	bhT46xU.exe	99
PID 396 wrote to memory of 2216	396	bhT46xU.exe	99
PID 396 wrote to memory of 2216	396	bhT46xU.exe	99
PID 396 wrote to memory of 2216	396	bhT46xU.exe	99
PID 396 wrote to memory of 2216	396	bhT46xU.exe	99
PID 396 wrote to memory of 2216	396	bhT46xU.exe	99
PID 396 wrote to memory of 2216	396	bhT46xU.exe	99
PID 396 wrote to memory of 2216	396	bhT46xU.exe	99
PID 2132 wrote to memory of 3076	2132	nrH64jK.exe	100
PID 2132 wrote to memory of 3076	2132	nrH64jK.exe	100
PID 2132 wrote to memory of 3076	2132	nrH64jK.exe	100

C:\Users\Admin\AppData\Local\Temp\c6acd7bd12bd25fce3cf5aee3f4ac6ead7a3e8d0bcdcb330aab7e61f535e4e81.exe
"C:\Users\Admin\AppData\Local\Temp\c6acd7bd12bd25fce3cf5aee3f4ac6ead7a3e8d0bcdcb330aab7e61f535e4e81.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3960
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nrH64jK.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nrH64jK.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2132
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\nHh07ke.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\nHh07ke.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4960
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\arO30Oe.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\arO30Oe.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:3380
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3380 -s 1052
        5⤵
        Program crash
        
        PID:3552
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\bhT46xU.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\bhT46xU.exe
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:396
    - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\bhT46xU.exe
        
        C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\bhT46xU.exe
        5⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        Suspicious use of AdjustPrivilegeToken
        
        PID:2216
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dcL31iB.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dcL31iB.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3076

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3380 -ip 3380
1⤵
PID:3036

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz48cmVxdWVzdCBwcm90b2NvbD0iMy4wIiB1cGRhdGVyPSJPbWFoYSIgdXBkYXRlcnZlcnNpb249IjEuMy4xOTUuNDMiIHNoZWxsX3ZlcnNpb249IjEuMy4xOTUuNDMiIGlzbWFjaGluZT0iMSIgc2Vzc2lvbmlkPSJ7NzE1NTNEQzEtNDgxMi00NTc2LUE4Q0MtQUQzQTgwMDk5NUJFfSIgdXNlcmlkPSJ7MUI0RDY5Q0UtNjYzQS00RUNCLTkzQjMtMjRGREY1NzE3QTE5fSIgaW5zdGFsbHNvdXJjZT0ibGltaXRlZCIgcmVxdWVzdGlkPSJ7ODU4MjU5RUQtNjhFNi00MjNBLThGN0YtMkE5RTcxRTZCMjQ2fSIgZGVkdXA9ImNyIiBkb21haW5qb2luZWQ9IjAiPjxodyBsb2dpY2FsX2NwdXM9IjIiIHBoeXNtZW1vcnk9IjQiIGRpc2tfdHlwZT0iMiIgc3NlPSIxIiBzc2UyPSIxIiBzc2UzPSIxIiBzc3NlMz0iMSIgc3NlNDE9IjEiIHNzZTQyPSIxIiBhdng9IjEiLz48b3MgcGxhdGZvcm09IndpbiIgdmVyc2lvbj0iMTAuMC4xOTA0MS4xMjg4IiBzcD0iIiBhcmNoPSJ4NjQiIHByb2R1Y3RfdHlwZT0iNDgiIGlzX3dpcD0iMCIgaXNfaW5fbG9ja2Rvd25fbW9kZT0iMCIvPjxvZW0gcHJvZHVjdF9tYW51ZmFjdHVyZXI9IiIgcHJvZHVjdF9uYW1lPSIiLz48ZXhwIGV0YWc9IiZxdW90O0UreGJBejZZNnNVMTI4OWJTNnFsNFZSTGJramZCVUdUTUpzanJIcjQ0aUk9JnF1b3Q7Ii8-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSI1IiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDU5MjEiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxODE5ODA3NzAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1MTc3NzI3ODQ4Ii8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:5188

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