amadey | 39ad68db01cc791fbad110adf09907033e85711edee3f5b754bac27ecbbe3d8c

Modify Existing Service

T1031

Disabling Security Tools

T1089

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	h0217095.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	h0217095.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	h0217095.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	h0217095.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	h0217095.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	h0217095.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-1-5-21-1498570331-2313266200-788959944-1000\Control Panel\International\Geo\Nation	danke.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1498570331-2313266200-788959944-1000\Control Panel\International\Geo\Nation	g7524068.exe

Executes dropped EXE 7 IoCs

pid	Process
4752	x0170253.exe
2164	g7524068.exe
1408	danke.exe
4328	h0217095.exe
1464	j0834493.exe
4148	danke.exe
2340	danke.exe

Loads dropped DLL 1 IoCs

pid	Process
4216	rundll32.exe

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"	h0217095.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	39ad68db01cc791fbad110adf09907033e85711edee3f5b754bac27ecbbe3d8c.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\\\""	39ad68db01cc791fbad110adf09907033e85711edee3f5b754bac27ecbbe3d8c.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	x0170253.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\\\""	x0170253.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{6BF6D0C7-B89A-4139-AE22-6504B5C94B06}.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
2868	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
4328	h0217095.exe
4328	h0217095.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4328	h0217095.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2164	g7524068.exe

Suspicious use of WriteProcessMemory 41 IoCs

description	pid	Process	procid_target
PID 2160 wrote to memory of 4752	2160	39ad68db01cc791fbad110adf09907033e85711edee3f5b754bac27ecbbe3d8c.exe	88
PID 2160 wrote to memory of 4752	2160	39ad68db01cc791fbad110adf09907033e85711edee3f5b754bac27ecbbe3d8c.exe	88
PID 2160 wrote to memory of 4752	2160	39ad68db01cc791fbad110adf09907033e85711edee3f5b754bac27ecbbe3d8c.exe	88
PID 4752 wrote to memory of 2164	4752	x0170253.exe	90
PID 4752 wrote to memory of 2164	4752	x0170253.exe	90
PID 4752 wrote to memory of 2164	4752	x0170253.exe	90
PID 2164 wrote to memory of 1408	2164	g7524068.exe	92
PID 2164 wrote to memory of 1408	2164	g7524068.exe	92
PID 2164 wrote to memory of 1408	2164	g7524068.exe	92
PID 4752 wrote to memory of 4328	4752	x0170253.exe	93
PID 4752 wrote to memory of 4328	4752	x0170253.exe	93
PID 1408 wrote to memory of 2868	1408	danke.exe	94
PID 1408 wrote to memory of 2868	1408	danke.exe	94
PID 1408 wrote to memory of 2868	1408	danke.exe	94
PID 1408 wrote to memory of 3828	1408	danke.exe	96
PID 1408 wrote to memory of 3828	1408	danke.exe	96
PID 1408 wrote to memory of 3828	1408	danke.exe	96
PID 3828 wrote to memory of 3344	3828	cmd.exe	98
PID 3828 wrote to memory of 3344	3828	cmd.exe	98
PID 3828 wrote to memory of 3344	3828	cmd.exe	98
PID 3828 wrote to memory of 2652	3828	cmd.exe	99
PID 3828 wrote to memory of 2652	3828	cmd.exe	99
PID 3828 wrote to memory of 2652	3828	cmd.exe	99
PID 3828 wrote to memory of 4700	3828	cmd.exe	100
PID 3828 wrote to memory of 4700	3828	cmd.exe	100
PID 3828 wrote to memory of 4700	3828	cmd.exe	100
PID 3828 wrote to memory of 1848	3828	cmd.exe	101
PID 3828 wrote to memory of 1848	3828	cmd.exe	101
PID 3828 wrote to memory of 1848	3828	cmd.exe	101
PID 3828 wrote to memory of 4636	3828	cmd.exe	102
PID 3828 wrote to memory of 4636	3828	cmd.exe	102
PID 3828 wrote to memory of 4636	3828	cmd.exe	102
PID 3828 wrote to memory of 892	3828	cmd.exe	103
PID 3828 wrote to memory of 892	3828	cmd.exe	103
PID 3828 wrote to memory of 892	3828	cmd.exe	103
PID 2160 wrote to memory of 1464	2160	39ad68db01cc791fbad110adf09907033e85711edee3f5b754bac27ecbbe3d8c.exe	109
PID 2160 wrote to memory of 1464	2160	39ad68db01cc791fbad110adf09907033e85711edee3f5b754bac27ecbbe3d8c.exe	109
PID 2160 wrote to memory of 1464	2160	39ad68db01cc791fbad110adf09907033e85711edee3f5b754bac27ecbbe3d8c.exe	109
PID 1408 wrote to memory of 4216	1408	danke.exe	116
PID 1408 wrote to memory of 4216	1408	danke.exe	116
PID 1408 wrote to memory of 4216	1408	danke.exe	116

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\39ad68db01cc791fbad110adf09907033e85711edee3f5b754bac27ecbbe3d8c.exe
"C:\Users\Admin\AppData\Local\Temp\39ad68db01cc791fbad110adf09907033e85711edee3f5b754bac27ecbbe3d8c.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2160
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x0170253.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x0170253.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:4752
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\g7524068.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\g7524068.exe
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:2164
  - - 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:1408
    - - 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:2868
    - - 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:3828
      - C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\system32\cmd.exe /S /D /c" echo Y"
        6⤵
        
        PID:3344
      - C:\Windows\SysWOW64\cacls.exe
        
        CACLS "danke.exe" /P "Admin:N"
        6⤵
        
        PID:2652
      - C:\Windows\SysWOW64\cacls.exe
        
        CACLS "danke.exe" /P "Admin:R" /E
        6⤵
        
        PID:4700
      - C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\system32\cmd.exe /S /D /c" echo Y"
        6⤵
        
        PID:1848
      - C:\Windows\SysWOW64\cacls.exe
        
        CACLS "..\3ec1f323b5" /P "Admin:N"
        6⤵
        
        PID:4636
      - C:\Windows\SysWOW64\cacls.exe
        
        CACLS "..\3ec1f323b5" /P "Admin:R" /E
        6⤵
        
        PID:892
    - - C:\Windows\SysWOW64\rundll32.exe
        
        "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\006700e5a2ab05\clip64.dll, Main
        5⤵
        Loads dropped DLL
        
        PID:4216
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\h0217095.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\h0217095.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4328
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\j0834493.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\j0834493.exe
  2⤵
  - Executes dropped EXE
  PID:1464

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:5020

C:\Users\Admin\AppData\Local\Temp\3ec1f323b5\danke.exe
C:\Users\Admin\AppData\Local\Temp\3ec1f323b5\danke.exe
1⤵
- Executes dropped EXE
PID:4148

C:\Users\Admin\AppData\Local\Temp\3ec1f323b5\danke.exe
C:\Users\Admin\AppData\Local\Temp\3ec1f323b5\danke.exe
1⤵
- Executes dropped EXE
PID:2340

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

Discovery

Query Registry

System Information Discovery