amadey | 0f1342cc3b53840e629c9c4155bbfc4920da11808f855f91a9237a5d8bb13636

Modify Existing Service

T1031

Disabling Security Tools

T1089

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	i2738449.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	i2738449.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	i2738449.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	i2738449.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	i2738449.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	i2738449.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-1-5-21-1722984668-1829624581-3022101259-1000\Control Panel\International\Geo\Nation	g9845812.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\Control Panel\International\Geo\Nation	danke.exe

Executes dropped EXE 7 IoCs

pid	Process
2516	x8228832.exe
4812	f3071446.exe
2328	g9845812.exe
1316	danke.exe
2964	i2738449.exe
2832	danke.exe
2560	danke.exe

Loads dropped DLL 1 IoCs

pid	Process
2064	rundll32.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Windows security modification 2 TTPs 1 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0"	i2738449.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	3c1df94d49d377cb4eb41a40d07e4f31.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\\\""	3c1df94d49d377cb4eb41a40d07e4f31.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	x8228832.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\\\""	x8228832.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{1033070A-C663-47E4-B13B-C39F0337C721}.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

pid	Process
3912	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 4 IoCs

pid	Process
4812	f3071446.exe
4812	f3071446.exe
2964	i2738449.exe
2964	i2738449.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4812	f3071446.exe
Token: SeDebugPrivilege	2964	i2738449.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2328	g9845812.exe

Suspicious use of WriteProcessMemory 41 IoCs

description	pid	Process	procid_target
PID 3692 wrote to memory of 2516	3692	3c1df94d49d377cb4eb41a40d07e4f31.exe	80
PID 3692 wrote to memory of 2516	3692	3c1df94d49d377cb4eb41a40d07e4f31.exe	80
PID 3692 wrote to memory of 2516	3692	3c1df94d49d377cb4eb41a40d07e4f31.exe	80
PID 2516 wrote to memory of 4812	2516	x8228832.exe	81
PID 2516 wrote to memory of 4812	2516	x8228832.exe	81
PID 2516 wrote to memory of 4812	2516	x8228832.exe	81
PID 2516 wrote to memory of 2328	2516	x8228832.exe	91
PID 2516 wrote to memory of 2328	2516	x8228832.exe	91
PID 2516 wrote to memory of 2328	2516	x8228832.exe	91
PID 2328 wrote to memory of 1316	2328	g9845812.exe	92
PID 2328 wrote to memory of 1316	2328	g9845812.exe	92
PID 2328 wrote to memory of 1316	2328	g9845812.exe	92
PID 3692 wrote to memory of 2964	3692	3c1df94d49d377cb4eb41a40d07e4f31.exe	93
PID 3692 wrote to memory of 2964	3692	3c1df94d49d377cb4eb41a40d07e4f31.exe	93
PID 1316 wrote to memory of 3912	1316	danke.exe	94
PID 1316 wrote to memory of 3912	1316	danke.exe	94
PID 1316 wrote to memory of 3912	1316	danke.exe	94
PID 1316 wrote to memory of 1868	1316	danke.exe	96
PID 1316 wrote to memory of 1868	1316	danke.exe	96
PID 1316 wrote to memory of 1868	1316	danke.exe	96
PID 1868 wrote to memory of 4404	1868	cmd.exe	98
PID 1868 wrote to memory of 4404	1868	cmd.exe	98
PID 1868 wrote to memory of 4404	1868	cmd.exe	98
PID 1868 wrote to memory of 2824	1868	cmd.exe	99
PID 1868 wrote to memory of 2824	1868	cmd.exe	99
PID 1868 wrote to memory of 2824	1868	cmd.exe	99
PID 1868 wrote to memory of 5044	1868	cmd.exe	100
PID 1868 wrote to memory of 5044	1868	cmd.exe	100
PID 1868 wrote to memory of 5044	1868	cmd.exe	100
PID 1868 wrote to memory of 1648	1868	cmd.exe	101
PID 1868 wrote to memory of 1648	1868	cmd.exe	101
PID 1868 wrote to memory of 1648	1868	cmd.exe	101
PID 1868 wrote to memory of 5020	1868	cmd.exe	102
PID 1868 wrote to memory of 5020	1868	cmd.exe	102
PID 1868 wrote to memory of 5020	1868	cmd.exe	102
PID 1868 wrote to memory of 2332	1868	cmd.exe	103
PID 1868 wrote to memory of 2332	1868	cmd.exe	103
PID 1868 wrote to memory of 2332	1868	cmd.exe	103
PID 1316 wrote to memory of 2064	1316	danke.exe	107
PID 1316 wrote to memory of 2064	1316	danke.exe	107
PID 1316 wrote to memory of 2064	1316	danke.exe	107

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:\Users\Admin\AppData\Local\Temp\3c1df94d49d377cb4eb41a40d07e4f31.exe
"C:\Users\Admin\AppData\Local\Temp\3c1df94d49d377cb4eb41a40d07e4f31.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3692
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x8228832.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x8228832.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:2516
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\f3071446.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\f3071446.exe
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4812
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\g9845812.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\g9845812.exe
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:2328
  - - 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:1316
    - - 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:3912
    - - 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:1868
      - C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\system32\cmd.exe /S /D /c" echo Y"
        6⤵
        
        PID:4404
      - C:\Windows\SysWOW64\cacls.exe
        
        CACLS "danke.exe" /P "Admin:N"
        6⤵
        
        PID:2824
      - C:\Windows\SysWOW64\cacls.exe
        
        CACLS "danke.exe" /P "Admin:R" /E
        6⤵
        
        PID:5044
      - C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\system32\cmd.exe /S /D /c" echo Y"
        6⤵
        
        PID:1648
      - C:\Windows\SysWOW64\cacls.exe
        
        CACLS "..\3ec1f323b5" /P "Admin:N"
        6⤵
        
        PID:5020
      - C:\Windows\SysWOW64\cacls.exe
        
        CACLS "..\3ec1f323b5" /P "Admin:R" /E
        6⤵
        
        PID:2332
    - - C:\Windows\SysWOW64\rundll32.exe
        
        "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\006700e5a2ab05\clip64.dll, Main
        5⤵
        Loads dropped DLL
        
        PID:2064
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\i2738449.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\i2738449.exe
  2⤵
  - Modifies Windows Defender Real-time Protection settings
  - Executes dropped EXE
  - Windows security modification
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2964

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:3368

C:\Users\Admin\AppData\Local\Temp\3ec1f323b5\danke.exe
C:\Users\Admin\AppData\Local\Temp\3ec1f323b5\danke.exe
1⤵
- Executes dropped EXE
PID:2832

C:\Users\Admin\AppData\Local\Temp\3ec1f323b5\danke.exe
C:\Users\Admin\AppData\Local\Temp\3ec1f323b5\danke.exe
1⤵
- Executes dropped EXE
PID:2560

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

Persistence

Modify Existing Service

T1031

Registry Run Keys / Startup Folder

T1060

Scheduled Task

Privilege Escalation

Scheduled Task

Defense Evasion

Disabling Security Tools

T1089

Modify Registry

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

System Information Discovery