amadey | 86a14d756da20b1d207158b2ab192593231808106e275caadebc72738192703a

Windows Service

T1543.003

Disable or Modify Tools

T1562.001

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	h7186164.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	h7186164.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	h7186164.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	h7186164.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	h7186164.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	h7186164.exe

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

Checks computer location settings 2 TTPs 2 IoCs

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

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\Control Panel\International\Geo\Nation	g6522107.exe
Key value queried	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\Control Panel\International\Geo\Nation	danke.exe

Executes dropped EXE 8 IoCs

pid	Process
3292	x3394423.exe
1256	g6522107.exe
5036	danke.exe
1876	h7186164.exe
3676	j9033370.exe
4428	danke.exe
832	danke.exe
396	danke.exe

Loads dropped DLL 1 IoCs

pid	Process
4052	rundll32.exe

Windows security modification 2 TTPs 1 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0"	h7186164.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	86a14d756da20b1d207158b2ab192593231808106e275caadebc72738192703a.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\\\""	86a14d756da20b1d207158b2ab192593231808106e275caadebc72738192703a.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	x3394423.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\\\""	x3394423.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{49F98B72-B8AE-469A-9A2B-14538191290D}.catalogItem	svchost.exe

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

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

System Information Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	svchost.exe

Creates scheduled task(s) 1 TTPs 1 IoCs

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

persistence

Scheduled Task/Job

pid	Process
2876	schtasks.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

System Information Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	svchost.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1876	h7186164.exe
1876	h7186164.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1876	h7186164.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1256	g6522107.exe

Suspicious use of WriteProcessMemory 41 IoCs

description	pid	Process	procid_target
PID 4856 wrote to memory of 3292	4856	86a14d756da20b1d207158b2ab192593231808106e275caadebc72738192703a.exe	85
PID 4856 wrote to memory of 3292	4856	86a14d756da20b1d207158b2ab192593231808106e275caadebc72738192703a.exe	85
PID 4856 wrote to memory of 3292	4856	86a14d756da20b1d207158b2ab192593231808106e275caadebc72738192703a.exe	85
PID 3292 wrote to memory of 1256	3292	x3394423.exe	86
PID 3292 wrote to memory of 1256	3292	x3394423.exe	86
PID 3292 wrote to memory of 1256	3292	x3394423.exe	86
PID 1256 wrote to memory of 5036	1256	g6522107.exe	88
PID 1256 wrote to memory of 5036	1256	g6522107.exe	88
PID 1256 wrote to memory of 5036	1256	g6522107.exe	88
PID 3292 wrote to memory of 1876	3292	x3394423.exe	89
PID 3292 wrote to memory of 1876	3292	x3394423.exe	89
PID 5036 wrote to memory of 2876	5036	danke.exe	90
PID 5036 wrote to memory of 2876	5036	danke.exe	90
PID 5036 wrote to memory of 2876	5036	danke.exe	90
PID 5036 wrote to memory of 3824	5036	danke.exe	92
PID 5036 wrote to memory of 3824	5036	danke.exe	92
PID 5036 wrote to memory of 3824	5036	danke.exe	92
PID 3824 wrote to memory of 4972	3824	cmd.exe	94
PID 3824 wrote to memory of 4972	3824	cmd.exe	94
PID 3824 wrote to memory of 4972	3824	cmd.exe	94
PID 3824 wrote to memory of 1900	3824	cmd.exe	95
PID 3824 wrote to memory of 1900	3824	cmd.exe	95
PID 3824 wrote to memory of 1900	3824	cmd.exe	95
PID 3824 wrote to memory of 1860	3824	cmd.exe	96
PID 3824 wrote to memory of 1860	3824	cmd.exe	96
PID 3824 wrote to memory of 1860	3824	cmd.exe	96
PID 3824 wrote to memory of 4560	3824	cmd.exe	97
PID 3824 wrote to memory of 4560	3824	cmd.exe	97
PID 3824 wrote to memory of 4560	3824	cmd.exe	97
PID 3824 wrote to memory of 668	3824	cmd.exe	98
PID 3824 wrote to memory of 668	3824	cmd.exe	98
PID 3824 wrote to memory of 668	3824	cmd.exe	98
PID 3824 wrote to memory of 2448	3824	cmd.exe	99
PID 3824 wrote to memory of 2448	3824	cmd.exe	99
PID 3824 wrote to memory of 2448	3824	cmd.exe	99
PID 4856 wrote to memory of 3676	4856	86a14d756da20b1d207158b2ab192593231808106e275caadebc72738192703a.exe	106
PID 4856 wrote to memory of 3676	4856	86a14d756da20b1d207158b2ab192593231808106e275caadebc72738192703a.exe	106
PID 4856 wrote to memory of 3676	4856	86a14d756da20b1d207158b2ab192593231808106e275caadebc72738192703a.exe	106
PID 5036 wrote to memory of 4052	5036	danke.exe	119
PID 5036 wrote to memory of 4052	5036	danke.exe	119
PID 5036 wrote to memory of 4052	5036	danke.exe	119

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p
1⤵
- Drops file in System32 directory
- Checks processor information in registry
- Enumerates system info in registry
PID:3096

C:\Users\Admin\AppData\Local\Temp\86a14d756da20b1d207158b2ab192593231808106e275caadebc72738192703a.exe
"C:\Users\Admin\AppData\Local\Temp\86a14d756da20b1d207158b2ab192593231808106e275caadebc72738192703a.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4856
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x3394423.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x3394423.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:3292
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\g6522107.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\g6522107.exe
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:1256
  - - C:\Users\Admin\AppData\Local\Temp\3ec1f323b5\danke.exe
      "C:\Users\Admin\AppData\Local\Temp\3ec1f323b5\danke.exe"
      4⤵
      Checks computer location settings
      Executes dropped EXE
      Suspicious use of WriteProcessMemory
      PID:5036
    - - C:\Windows\SysWOW64\schtasks.exe
        
        "C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN danke.exe /TR "C:\Users\Admin\AppData\Local\Temp\3ec1f323b5\danke.exe" /F
        5⤵
        Creates scheduled task(s)
        
        PID:2876
    - - C:\Windows\SysWOW64\cmd.exe
        
        "C:\Windows\System32\cmd.exe" /k echo Y|CACLS "danke.exe" /P "Admin:N"&&CACLS "danke.exe" /P "Admin:R" /E&&echo Y|CACLS "..\3ec1f323b5" /P "Admin:N"&&CACLS "..\3ec1f323b5" /P "Admin:R" /E&&Exit
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:3824
      - C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\system32\cmd.exe /S /D /c" echo Y"
        6⤵
        
        PID:4972
      - C:\Windows\SysWOW64\cacls.exe
        
        CACLS "danke.exe" /P "Admin:N"
        6⤵
        
        PID:1900
      - C:\Windows\SysWOW64\cacls.exe
        
        CACLS "danke.exe" /P "Admin:R" /E
        6⤵
        
        PID:1860
      - C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\system32\cmd.exe /S /D /c" echo Y"
        6⤵
        
        PID:4560
      - C:\Windows\SysWOW64\cacls.exe
        
        CACLS "..\3ec1f323b5" /P "Admin:N"
        6⤵
        
        PID:668
      - C:\Windows\SysWOW64\cacls.exe
        
        CACLS "..\3ec1f323b5" /P "Admin:R" /E
        6⤵
        
        PID:2448
    - - C:\Windows\SysWOW64\rundll32.exe
        
        "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\006700e5a2ab05\clip64.dll, Main
        5⤵
        Loads dropped DLL
        
        PID:4052
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\h7186164.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\h7186164.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1876
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\j9033370.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\j9033370.exe
  2⤵
  - Executes dropped EXE
  PID:3676

C:\Users\Admin\AppData\Local\Temp\3ec1f323b5\danke.exe
C:\Users\Admin\AppData\Local\Temp\3ec1f323b5\danke.exe
1⤵
- Executes dropped EXE
PID:4428

C:\Users\Admin\AppData\Local\Temp\3ec1f323b5\danke.exe
C:\Users\Admin\AppData\Local\Temp\3ec1f323b5\danke.exe
1⤵
- Executes dropped EXE
PID:832

C:\Users\Admin\AppData\Local\Temp\3ec1f323b5\danke.exe
C:\Users\Admin\AppData\Local\Temp\3ec1f323b5\danke.exe
1⤵
- Executes dropped EXE
PID:396

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Scheduled Task/Job

Defense Evasion

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

Credential Access

Discovery

Query Registry

System Information Discovery