healer | d8e320833e90898006afdfcbf2f0ea784d3815edb432b386a5f55c446bbb2017

Windows Service

Disable or Modify Tools

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\DisableAntiSpyware = "1"	bu104248.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\DisableAntiSpyware = "1"	cor0864.exe

Modifies Windows Defender Real-time Protection settings 3 TTPs 12 IoCs

defense_evasion trojan

Modify Registry

Windows Service

Disable or Modify Tools

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	bu104248.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	cor0864.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	cor0864.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	bu104248.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	bu104248.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	bu104248.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	bu104248.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	cor0864.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	cor0864.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	cor0864.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	cor0864.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	bu104248.exe

Modifies Windows Defender TamperProtection settings 3 TTPs 2 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"	bu104248.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	cor0864.exe

Modifies Windows Defender notification settings 3 TTPs 4 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	bu104248.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender Security Center\Notifications\DisableNotifications = "1"	bu104248.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender Security Center\Notifications	cor0864.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender Security Center\Notifications\DisableNotifications = "1"	cor0864.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/3672-60-0x00000000049A0000-0x00000000049E6000-memory.dmp	family_redline
behavioral1/memory/3672-61-0x00000000071B0000-0x00000000071F4000-memory.dmp	family_redline
behavioral1/memory/3672-62-0x00000000071B0000-0x00000000071EF000-memory.dmp	family_redline
behavioral1/memory/3672-95-0x00000000071B0000-0x00000000071EF000-memory.dmp	family_redline
behavioral1/memory/3672-93-0x00000000071B0000-0x00000000071EF000-memory.dmp	family_redline
behavioral1/memory/3672-91-0x00000000071B0000-0x00000000071EF000-memory.dmp	family_redline
behavioral1/memory/3672-89-0x00000000071B0000-0x00000000071EF000-memory.dmp	family_redline
behavioral1/memory/3672-87-0x00000000071B0000-0x00000000071EF000-memory.dmp	family_redline
behavioral1/memory/3672-86-0x00000000071B0000-0x00000000071EF000-memory.dmp	family_redline
behavioral1/memory/3672-83-0x00000000071B0000-0x00000000071EF000-memory.dmp	family_redline
behavioral1/memory/3672-81-0x00000000071B0000-0x00000000071EF000-memory.dmp	family_redline
behavioral1/memory/3672-77-0x00000000071B0000-0x00000000071EF000-memory.dmp	family_redline
behavioral1/memory/3672-75-0x00000000071B0000-0x00000000071EF000-memory.dmp	family_redline
behavioral1/memory/3672-73-0x00000000071B0000-0x00000000071EF000-memory.dmp	family_redline
behavioral1/memory/3672-71-0x00000000071B0000-0x00000000071EF000-memory.dmp	family_redline
behavioral1/memory/3672-69-0x00000000071B0000-0x00000000071EF000-memory.dmp	family_redline
behavioral1/memory/3672-67-0x00000000071B0000-0x00000000071EF000-memory.dmp	family_redline
behavioral1/memory/3672-65-0x00000000071B0000-0x00000000071EF000-memory.dmp	family_redline
behavioral1/memory/3672-63-0x00000000071B0000-0x00000000071EF000-memory.dmp	family_redline
behavioral1/memory/3672-79-0x00000000071B0000-0x00000000071EF000-memory.dmp	family_redline

Redline family
redline

Downloads MZ/PE file 1 IoCs

flow	pid	Process
29	1644	Process not Found

Executes dropped EXE 4 IoCs

pid	Process
3952	kina6085.exe
4136	bu104248.exe
1844	cor0864.exe
3672	dMW83s71.exe

Windows security modification 2 TTPs 3 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"	bu104248.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	cor0864.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	cor0864.exe

Adds Run key to start application 2 TTPs 2 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\\\""	d8e320833e90898006afdfcbf2f0ea784d3815edb432b386a5f55c446bbb2017.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\\\""	kina6085.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3468	1844	WerFault.exe	91

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	d8e320833e90898006afdfcbf2f0ea784d3815edb432b386a5f55c446bbb2017.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	kina6085.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cor0864.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dMW83s71.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MicrosoftEdgeUpdate.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
440	MicrosoftEdgeUpdate.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4136	bu104248.exe
4136	bu104248.exe
1844	cor0864.exe
1844	cor0864.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4136	bu104248.exe
Token: SeDebugPrivilege	1844	cor0864.exe
Token: SeDebugPrivilege	3672	dMW83s71.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2460 wrote to memory of 3952	2460	d8e320833e90898006afdfcbf2f0ea784d3815edb432b386a5f55c446bbb2017.exe	86
PID 2460 wrote to memory of 3952	2460	d8e320833e90898006afdfcbf2f0ea784d3815edb432b386a5f55c446bbb2017.exe	86
PID 2460 wrote to memory of 3952	2460	d8e320833e90898006afdfcbf2f0ea784d3815edb432b386a5f55c446bbb2017.exe	86
PID 3952 wrote to memory of 4136	3952	kina6085.exe	87
PID 3952 wrote to memory of 4136	3952	kina6085.exe	87
PID 3952 wrote to memory of 1844	3952	kina6085.exe	91
PID 3952 wrote to memory of 1844	3952	kina6085.exe	91
PID 3952 wrote to memory of 1844	3952	kina6085.exe	91
PID 2460 wrote to memory of 3672	2460	d8e320833e90898006afdfcbf2f0ea784d3815edb432b386a5f55c446bbb2017.exe	96
PID 2460 wrote to memory of 3672	2460	d8e320833e90898006afdfcbf2f0ea784d3815edb432b386a5f55c446bbb2017.exe	96
PID 2460 wrote to memory of 3672	2460	d8e320833e90898006afdfcbf2f0ea784d3815edb432b386a5f55c446bbb2017.exe	96

C:\Users\Admin\AppData\Local\Temp\d8e320833e90898006afdfcbf2f0ea784d3815edb432b386a5f55c446bbb2017.exe
"C:\Users\Admin\AppData\Local\Temp\d8e320833e90898006afdfcbf2f0ea784d3815edb432b386a5f55c446bbb2017.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2460
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\kina6085.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\kina6085.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3952
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bu104248.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bu104248.exe
    3⤵
    - 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:4136
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\cor0864.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\cor0864.exe
    3⤵
    - 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:1844
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1844 -s 1076
      4⤵
      Program crash
      PID:3468
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dMW83s71.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dMW83s71.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:3672

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 1844 -ip 1844
1⤵
PID:3048

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIzIiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDY4MzAiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxOTE0Njg3NjAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1MDYzMTI3OTgwIi8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:440

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