healer | 634bdc1846e5d42da69f1b9644b3514fc816531ed2ebb226af273618bb118018

Windows Service

Disable or Modify Tools

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\DisableAntiSpyware = "1"	it014276.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\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	it014276.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	it014276.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	it014276.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	it014276.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	it014276.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	it014276.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"	it014276.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	it014276.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender Security Center\Notifications\DisableNotifications = "1"	it014276.exe

RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
infostealer redline

RedLine payload 5 IoCs

resource	yara_rule
behavioral1/memory/4564-2167-0x0000000005750000-0x0000000005782000-memory.dmp	family_redline
behavioral1/files/0x0009000000023e3b-2173.dat	family_redline
behavioral1/memory/5884-2180-0x0000000000050000-0x000000000007E000-memory.dmp	family_redline
behavioral1/files/0x0007000000023e34-2189.dat	family_redline
behavioral1/memory/3316-2191-0x0000000000810000-0x0000000000840000-memory.dmp	family_redline

Redline family
redline

Downloads MZ/PE file 1 IoCs

flow	pid	Process
41	3892	Process not Found

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1639772215-809007892-4072230623-1000\Control Panel\International\Geo\Nation	jr965566.exe

Executes dropped EXE 5 IoCs

pid	Process
4756	ziVJ1548.exe
1828	it014276.exe
4564	jr965566.exe
5884	1.exe
3316	kp848680.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"	it014276.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\\\""	634bdc1846e5d42da69f1b9644b3514fc816531ed2ebb226af273618bb118018N.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\\\""	ziVJ1548.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3828	4564	WerFault.exe	91

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	634bdc1846e5d42da69f1b9644b3514fc816531ed2ebb226af273618bb118018N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ziVJ1548.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jr965566.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	kp848680.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
5244	MicrosoftEdgeUpdate.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1828	it014276.exe
1828	it014276.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1828	it014276.exe
Token: SeDebugPrivilege	4564	jr965566.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2328 wrote to memory of 4756	2328	634bdc1846e5d42da69f1b9644b3514fc816531ed2ebb226af273618bb118018N.exe	87
PID 2328 wrote to memory of 4756	2328	634bdc1846e5d42da69f1b9644b3514fc816531ed2ebb226af273618bb118018N.exe	87
PID 2328 wrote to memory of 4756	2328	634bdc1846e5d42da69f1b9644b3514fc816531ed2ebb226af273618bb118018N.exe	87
PID 4756 wrote to memory of 1828	4756	ziVJ1548.exe	88
PID 4756 wrote to memory of 1828	4756	ziVJ1548.exe	88
PID 4756 wrote to memory of 4564	4756	ziVJ1548.exe	91
PID 4756 wrote to memory of 4564	4756	ziVJ1548.exe	91
PID 4756 wrote to memory of 4564	4756	ziVJ1548.exe	91
PID 4564 wrote to memory of 5884	4564	jr965566.exe	92
PID 4564 wrote to memory of 5884	4564	jr965566.exe	92
PID 4564 wrote to memory of 5884	4564	jr965566.exe	92
PID 2328 wrote to memory of 3316	2328	634bdc1846e5d42da69f1b9644b3514fc816531ed2ebb226af273618bb118018N.exe	96
PID 2328 wrote to memory of 3316	2328	634bdc1846e5d42da69f1b9644b3514fc816531ed2ebb226af273618bb118018N.exe	96
PID 2328 wrote to memory of 3316	2328	634bdc1846e5d42da69f1b9644b3514fc816531ed2ebb226af273618bb118018N.exe	96

C:\Users\Admin\AppData\Local\Temp\634bdc1846e5d42da69f1b9644b3514fc816531ed2ebb226af273618bb118018N.exe
"C:\Users\Admin\AppData\Local\Temp\634bdc1846e5d42da69f1b9644b3514fc816531ed2ebb226af273618bb118018N.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2328
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ziVJ1548.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ziVJ1548.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4756
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\it014276.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\it014276.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:1828
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\jr965566.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\jr965566.exe
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:4564
  - - C:\Windows\Temp\1.exe
      "C:\Windows\Temp\1.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:5884
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4564 -s 1380
      4⤵
      Program crash
      PID:3828
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\kp848680.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\kp848680.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3316

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4564 -ip 4564
1⤵
PID:6140

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIxIiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDY4ODkiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxOTM2NTgwOTAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1NDE2ODYzODc1Ii8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:5244

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