amadey | 3eef3f989e4db0c3dbc03c93a1a7e982d9d64c0ba194180ad971aa887bc428e0

Windows Service

Disable or Modify Tools

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\DisableAntiSpyware = "1"	h5898239.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\DisableScanOnRealtimeEnable = "1"	h5898239.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	h5898239.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	h5898239.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	h5898239.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	h5898239.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	h5898239.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"	h5898239.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	h5898239.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender Security Center\Notifications\DisableNotifications = "1"	h5898239.exe

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

RedLine payload 2 IoCs

resource	yara_rule
behavioral1/files/0x001900000002ab8e-38.dat	family_redline
behavioral1/memory/2288-40-0x0000000000470000-0x00000000004A0000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 7 IoCs

pid	Process
4868	x9208802.exe
5012	x8622372.exe
4144	g0999631.exe
4780	pdates.exe
3332	h5898239.exe
1712	pdates.exe
2288	i3235254.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"	h5898239.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_cleanup1 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP001.TMP\\\""	x9208802.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\\\""	x8622372.exe
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\\\""	9cbfd633768db6b033e6844e5457e1f36fe6d815be40b3ce2e6b0b8e45d75090.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 14 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	x9208802.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	pdates.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	i3235254.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9cbfd633768db6b033e6844e5457e1f36fe6d815be40b3ce2e6b0b8e45d75090.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	g0999631.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	x8622372.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

pid	Process
1032	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3332	h5898239.exe
3332	h5898239.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3332	h5898239.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4144	g0999631.exe

Suspicious use of WriteProcessMemory 41 IoCs

description	pid	Process	procid_target
PID 4928 wrote to memory of 4868	4928	9cbfd633768db6b033e6844e5457e1f36fe6d815be40b3ce2e6b0b8e45d75090.exe	77
PID 4928 wrote to memory of 4868	4928	9cbfd633768db6b033e6844e5457e1f36fe6d815be40b3ce2e6b0b8e45d75090.exe	77
PID 4928 wrote to memory of 4868	4928	9cbfd633768db6b033e6844e5457e1f36fe6d815be40b3ce2e6b0b8e45d75090.exe	77
PID 4868 wrote to memory of 5012	4868	x9208802.exe	78
PID 4868 wrote to memory of 5012	4868	x9208802.exe	78
PID 4868 wrote to memory of 5012	4868	x9208802.exe	78
PID 5012 wrote to memory of 4144	5012	x8622372.exe	79
PID 5012 wrote to memory of 4144	5012	x8622372.exe	79
PID 5012 wrote to memory of 4144	5012	x8622372.exe	79
PID 4144 wrote to memory of 4780	4144	g0999631.exe	80
PID 4144 wrote to memory of 4780	4144	g0999631.exe	80
PID 4144 wrote to memory of 4780	4144	g0999631.exe	80
PID 5012 wrote to memory of 3332	5012	x8622372.exe	81
PID 5012 wrote to memory of 3332	5012	x8622372.exe	81
PID 4780 wrote to memory of 1032	4780	pdates.exe	82
PID 4780 wrote to memory of 1032	4780	pdates.exe	82
PID 4780 wrote to memory of 1032	4780	pdates.exe	82
PID 4780 wrote to memory of 3120	4780	pdates.exe	84
PID 4780 wrote to memory of 3120	4780	pdates.exe	84
PID 4780 wrote to memory of 3120	4780	pdates.exe	84
PID 3120 wrote to memory of 3336	3120	cmd.exe	86
PID 3120 wrote to memory of 3336	3120	cmd.exe	86
PID 3120 wrote to memory of 3336	3120	cmd.exe	86
PID 3120 wrote to memory of 2500	3120	cmd.exe	87
PID 3120 wrote to memory of 2500	3120	cmd.exe	87
PID 3120 wrote to memory of 2500	3120	cmd.exe	87
PID 3120 wrote to memory of 2192	3120	cmd.exe	88
PID 3120 wrote to memory of 2192	3120	cmd.exe	88
PID 3120 wrote to memory of 2192	3120	cmd.exe	88
PID 3120 wrote to memory of 2876	3120	cmd.exe	89
PID 3120 wrote to memory of 2876	3120	cmd.exe	89
PID 3120 wrote to memory of 2876	3120	cmd.exe	89
PID 3120 wrote to memory of 4760	3120	cmd.exe	90
PID 3120 wrote to memory of 4760	3120	cmd.exe	90
PID 3120 wrote to memory of 4760	3120	cmd.exe	90
PID 3120 wrote to memory of 1344	3120	cmd.exe	91
PID 3120 wrote to memory of 1344	3120	cmd.exe	91
PID 3120 wrote to memory of 1344	3120	cmd.exe	91
PID 4868 wrote to memory of 2288	4868	x9208802.exe	93
PID 4868 wrote to memory of 2288	4868	x9208802.exe	93
PID 4868 wrote to memory of 2288	4868	x9208802.exe	93

C:\Users\Admin\AppData\Local\Temp\9cbfd633768db6b033e6844e5457e1f36fe6d815be40b3ce2e6b0b8e45d75090.exe
"C:\Users\Admin\AppData\Local\Temp\9cbfd633768db6b033e6844e5457e1f36fe6d815be40b3ce2e6b0b8e45d75090.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4928
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x9208802.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x9208802.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4868
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x8622372.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x8622372.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:5012
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g0999631.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g0999631.exe
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of FindShellTrayWindow
      Suspicious use of WriteProcessMemory
      PID:4144
    - - C:\Users\Admin\AppData\Local\Temp\925e7e99c5\pdates.exe
        
        "C:\Users\Admin\AppData\Local\Temp\925e7e99c5\pdates.exe"
        5⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:4780
      - C:\Windows\SysWOW64\schtasks.exe
        
        "C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN pdates.exe /TR "C:\Users\Admin\AppData\Local\Temp\925e7e99c5\pdates.exe" /F
        6⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:1032
      - C:\Windows\SysWOW64\cmd.exe
        
        "C:\Windows\System32\cmd.exe" /k echo Y|CACLS "pdates.exe" /P "Admin:N"&&CACLS "pdates.exe" /P "Admin:R" /E&&echo Y|CACLS "..\925e7e99c5" /P "Admin:N"&&CACLS "..\925e7e99c5" /P "Admin:R" /E&&Exit
        6⤵
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:3120
        
        C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\system32\cmd.exe /S /D /c" echo Y"
        7⤵
        System Location Discovery: System Language Discovery
        
        PID:3336
        
        C:\Windows\SysWOW64\cacls.exe
        
        CACLS "pdates.exe" /P "Admin:N"
        7⤵
        System Location Discovery: System Language Discovery
        
        PID:2500
        
        C:\Windows\SysWOW64\cacls.exe
        
        CACLS "pdates.exe" /P "Admin:R" /E
        7⤵
        System Location Discovery: System Language Discovery
        
        PID:2192
        
        C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\system32\cmd.exe /S /D /c" echo Y"
        7⤵
        System Location Discovery: System Language Discovery
        
        PID:2876
        
        C:\Windows\SysWOW64\cacls.exe
        
        CACLS "..\925e7e99c5" /P "Admin:N"
        7⤵
        System Location Discovery: System Language Discovery
        
        PID:4760
        
        C:\Windows\SysWOW64\cacls.exe
        
        CACLS "..\925e7e99c5" /P "Admin:R" /E
        7⤵
        System Location Discovery: System Language Discovery
        
        PID:1344
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\h5898239.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\h5898239.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
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:3332
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\i3235254.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\i3235254.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2288

C:\Users\Admin\AppData\Local\Temp\925e7e99c5\pdates.exe
C:\Users\Admin\AppData\Local\Temp\925e7e99c5\pdates.exe
1⤵
- Executes dropped EXE
PID:1712

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

Scheduled Task/Job

T1053

Scheduled Task

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

Scheduled Task/Job

T1053

Scheduled Task

Defense Evasion

Impair Defenses

T1562

Disable or Modify Tools

Modify Registry