amadey | 001ece20ef94c85e55ef0a6f365b452dca11fbec2cac6f2a4df55b4c890e3375

Windows Service

Disable or Modify Tools

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\DisableAntiSpyware = "1"	a6239898.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"	a6239898.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	a6239898.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	a6239898.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	a6239898.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	a6239898.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	a6239898.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"	a6239898.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	a6239898.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender Security Center\Notifications\DisableNotifications = "1"	a6239898.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/0x0007000000024287-48.dat	family_redline
behavioral1/memory/4884-50-0x0000000000580000-0x00000000005B0000-memory.dmp	family_redline

Redline family
redline
SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader
Smokeloader family
smokeloader

Checks computer location settings 2 TTPs 2 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-1-5-21-308834014-1004923324-1191300197-1000\Control Panel\International\Geo\Nation	b1350157.exe
Key value queried	\REGISTRY\USER\S-1-5-21-308834014-1004923324-1191300197-1000\Control Panel\International\Geo\Nation	saves.exe

Executes dropped EXE 10 IoCs

pid	Process
1512	v3099591.exe
3972	v9232368.exe
6124	v5307313.exe
228	a6239898.exe
4748	b1350157.exe
2664	saves.exe
4716	c2452410.exe
4884	d5731805.exe
4368	saves.exe
5976	saves.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"	a6239898.exe

Adds Run key to start application 2 TTPs 4 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\\\""	001ece20ef94c85e55ef0a6f365b452dca11fbec2cac6f2a4df55b4c890e3375.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\\\""	v3099591.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\\\""	v9232368.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup3 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP003.TMP\\\""	v5307313.exe

Launches sc.exe 1 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
368	sc.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 16 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	c2452410.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	cacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	001ece20ef94c85e55ef0a6f365b452dca11fbec2cac6f2a4df55b4c890e3375.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	v3099591.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	v5307313.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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	v9232368.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b1350157.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d5731805.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	saves.exe

Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	c2452410.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	c2452410.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	c2452410.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
1308	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
228	a6239898.exe
228	a6239898.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	228	a6239898.exe

Suspicious use of WriteProcessMemory 47 IoCs

description	pid	Process	procid_target
PID 6068 wrote to memory of 1512	6068	001ece20ef94c85e55ef0a6f365b452dca11fbec2cac6f2a4df55b4c890e3375.exe	86
PID 6068 wrote to memory of 1512	6068	001ece20ef94c85e55ef0a6f365b452dca11fbec2cac6f2a4df55b4c890e3375.exe	86
PID 6068 wrote to memory of 1512	6068	001ece20ef94c85e55ef0a6f365b452dca11fbec2cac6f2a4df55b4c890e3375.exe	86
PID 1512 wrote to memory of 3972	1512	v3099591.exe	87
PID 1512 wrote to memory of 3972	1512	v3099591.exe	87
PID 1512 wrote to memory of 3972	1512	v3099591.exe	87
PID 3972 wrote to memory of 6124	3972	v9232368.exe	88
PID 3972 wrote to memory of 6124	3972	v9232368.exe	88
PID 3972 wrote to memory of 6124	3972	v9232368.exe	88
PID 6124 wrote to memory of 228	6124	v5307313.exe	90
PID 6124 wrote to memory of 228	6124	v5307313.exe	90
PID 6124 wrote to memory of 4748	6124	v5307313.exe	97
PID 6124 wrote to memory of 4748	6124	v5307313.exe	97
PID 6124 wrote to memory of 4748	6124	v5307313.exe	97
PID 4748 wrote to memory of 2664	4748	b1350157.exe	98
PID 4748 wrote to memory of 2664	4748	b1350157.exe	98
PID 4748 wrote to memory of 2664	4748	b1350157.exe	98
PID 3972 wrote to memory of 4716	3972	v9232368.exe	99
PID 3972 wrote to memory of 4716	3972	v9232368.exe	99
PID 3972 wrote to memory of 4716	3972	v9232368.exe	99
PID 1512 wrote to memory of 4884	1512	v3099591.exe	100
PID 1512 wrote to memory of 4884	1512	v3099591.exe	100
PID 1512 wrote to memory of 4884	1512	v3099591.exe	100
PID 2664 wrote to memory of 1308	2664	saves.exe	101
PID 2664 wrote to memory of 1308	2664	saves.exe	101
PID 2664 wrote to memory of 1308	2664	saves.exe	101
PID 2664 wrote to memory of 2340	2664	saves.exe	103
PID 2664 wrote to memory of 2340	2664	saves.exe	103
PID 2664 wrote to memory of 2340	2664	saves.exe	103
PID 2340 wrote to memory of 4940	2340	cmd.exe	105
PID 2340 wrote to memory of 4940	2340	cmd.exe	105
PID 2340 wrote to memory of 4940	2340	cmd.exe	105
PID 2340 wrote to memory of 6036	2340	cmd.exe	106
PID 2340 wrote to memory of 6036	2340	cmd.exe	106
PID 2340 wrote to memory of 6036	2340	cmd.exe	106
PID 2340 wrote to memory of 2724	2340	cmd.exe	107
PID 2340 wrote to memory of 2724	2340	cmd.exe	107
PID 2340 wrote to memory of 2724	2340	cmd.exe	107
PID 2340 wrote to memory of 5852	2340	cmd.exe	108
PID 2340 wrote to memory of 5852	2340	cmd.exe	108
PID 2340 wrote to memory of 5852	2340	cmd.exe	108
PID 2340 wrote to memory of 976	2340	cmd.exe	109
PID 2340 wrote to memory of 976	2340	cmd.exe	109
PID 2340 wrote to memory of 976	2340	cmd.exe	109
PID 2340 wrote to memory of 2908	2340	cmd.exe	110
PID 2340 wrote to memory of 2908	2340	cmd.exe	110
PID 2340 wrote to memory of 2908	2340	cmd.exe	110

C:\Users\Admin\AppData\Local\Temp\001ece20ef94c85e55ef0a6f365b452dca11fbec2cac6f2a4df55b4c890e3375.exe
"C:\Users\Admin\AppData\Local\Temp\001ece20ef94c85e55ef0a6f365b452dca11fbec2cac6f2a4df55b4c890e3375.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:6068
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v3099591.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v3099591.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1512
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v9232368.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v9232368.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3972
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v5307313.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v5307313.exe
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:6124
    - - C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\a6239898.exe
        
        C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\a6239898.exe
        5⤵
        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:228
    - - C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\b1350157.exe
        
        C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\b1350157.exe
        5⤵
        Checks computer location settings
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:4748
      - C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
        
        "C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe"
        6⤵
        Checks computer location settings
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:2664
        
        C:\Windows\SysWOW64\schtasks.exe
        
        "C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN saves.exe /TR "C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe" /F
        7⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:1308
        
        C:\Windows\SysWOW64\cmd.exe
        
        "C:\Windows\System32\cmd.exe" /k echo Y|CACLS "saves.exe" /P "Admin:N"&&CACLS "saves.exe" /P "Admin:R" /E&&echo Y|CACLS "..\b40d11255d" /P "Admin:N"&&CACLS "..\b40d11255d" /P "Admin:R" /E&&Exit
        7⤵
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:2340
        
        C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\system32\cmd.exe /S /D /c" echo Y"
        8⤵
        System Location Discovery: System Language Discovery
        
        PID:4940
        
        C:\Windows\SysWOW64\cacls.exe
        
        CACLS "saves.exe" /P "Admin:N"
        8⤵
        System Location Discovery: System Language Discovery
        
        PID:6036
        
        C:\Windows\SysWOW64\cacls.exe
        
        CACLS "saves.exe" /P "Admin:R" /E
        8⤵
        System Location Discovery: System Language Discovery
        
        PID:2724
        
        C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\system32\cmd.exe /S /D /c" echo Y"
        8⤵
        System Location Discovery: System Language Discovery
        
        PID:5852
        
        C:\Windows\SysWOW64\cacls.exe
        
        CACLS "..\b40d11255d" /P "Admin:N"
        8⤵
        System Location Discovery: System Language Discovery
        
        PID:976
        
        C:\Windows\SysWOW64\cacls.exe
        
        CACLS "..\b40d11255d" /P "Admin:R" /E
        8⤵
        System Location Discovery: System Language Discovery
        
        PID:2908
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\c2452410.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\c2452410.exe
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Checks SCSI registry key(s)
      PID:4716
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\d5731805.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\d5731805.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:4884

C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
1⤵
- Executes dropped EXE
PID:4368

C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
1⤵
- Executes dropped EXE
PID:5976

C:\Windows\system32\sc.exe
C:\Windows\system32\sc.exe start wuauserv
1⤵
- Launches sc.exe
PID:368

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