amadey | 1d01c9024a0eaa028a08b5e060be9ae0dea169a46c10e975f8dd30d37c16e1c3

Windows Service

T1543.003

Disable or Modify Tools

T1562.001

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	g2009052.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	g2009052.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	g2009052.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	g2009052.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	g2009052.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	g2009052.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-1-5-21-642304425-1816607141-2958861556-1000\Control Panel\International\Geo\Nation	h3985281.exe
Key value queried	\REGISTRY\USER\S-1-5-21-642304425-1816607141-2958861556-1000\Control Panel\International\Geo\Nation	saves.exe

Executes dropped EXE 9 IoCs

pid	Process
4408	x6815788.exe
3600	x6738016.exe
4196	x4785823.exe
5040	g2009052.exe
5032	h3985281.exe
4416	saves.exe
4168	i7454895.exe
4044	saves.exe
564	saves.exe

Loads dropped DLL 1 IoCs

pid	Process
2368	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"	g2009052.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_cleanup3 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP003.TMP\\\""	x4785823.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\\\""	1d01c9024a0eaa028a08b5e060be9ae0dea169a46c10e975f8dd30d37c16e1c3.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\\\""	x6815788.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\\\""	x6738016.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{4F5CB766-408E-4E86-B9EE-EAA128B6C6A4}.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
2540	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
5040	g2009052.exe
5040	g2009052.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5040	g2009052.exe

Suspicious use of WriteProcessMemory 47 IoCs

description	pid	Process	procid_target
PID 1900 wrote to memory of 4408	1900	1d01c9024a0eaa028a08b5e060be9ae0dea169a46c10e975f8dd30d37c16e1c3.exe	85
PID 1900 wrote to memory of 4408	1900	1d01c9024a0eaa028a08b5e060be9ae0dea169a46c10e975f8dd30d37c16e1c3.exe	85
PID 1900 wrote to memory of 4408	1900	1d01c9024a0eaa028a08b5e060be9ae0dea169a46c10e975f8dd30d37c16e1c3.exe	85
PID 4408 wrote to memory of 3600	4408	x6815788.exe	86
PID 4408 wrote to memory of 3600	4408	x6815788.exe	86
PID 4408 wrote to memory of 3600	4408	x6815788.exe	86
PID 3600 wrote to memory of 4196	3600	x6738016.exe	87
PID 3600 wrote to memory of 4196	3600	x6738016.exe	87
PID 3600 wrote to memory of 4196	3600	x6738016.exe	87
PID 4196 wrote to memory of 5040	4196	x4785823.exe	89
PID 4196 wrote to memory of 5040	4196	x4785823.exe	89
PID 4196 wrote to memory of 5032	4196	x4785823.exe	91
PID 4196 wrote to memory of 5032	4196	x4785823.exe	91
PID 4196 wrote to memory of 5032	4196	x4785823.exe	91
PID 5032 wrote to memory of 4416	5032	h3985281.exe	92
PID 5032 wrote to memory of 4416	5032	h3985281.exe	92
PID 5032 wrote to memory of 4416	5032	h3985281.exe	92
PID 3600 wrote to memory of 4168	3600	x6738016.exe	93
PID 3600 wrote to memory of 4168	3600	x6738016.exe	93
PID 3600 wrote to memory of 4168	3600	x6738016.exe	93
PID 4416 wrote to memory of 2540	4416	saves.exe	94
PID 4416 wrote to memory of 2540	4416	saves.exe	94
PID 4416 wrote to memory of 2540	4416	saves.exe	94
PID 4416 wrote to memory of 3536	4416	saves.exe	96
PID 4416 wrote to memory of 3536	4416	saves.exe	96
PID 4416 wrote to memory of 3536	4416	saves.exe	96
PID 3536 wrote to memory of 4672	3536	cmd.exe	98
PID 3536 wrote to memory of 4672	3536	cmd.exe	98
PID 3536 wrote to memory of 4672	3536	cmd.exe	98
PID 3536 wrote to memory of 3184	3536	cmd.exe	99
PID 3536 wrote to memory of 3184	3536	cmd.exe	99
PID 3536 wrote to memory of 3184	3536	cmd.exe	99
PID 3536 wrote to memory of 2064	3536	cmd.exe	100
PID 3536 wrote to memory of 2064	3536	cmd.exe	100
PID 3536 wrote to memory of 2064	3536	cmd.exe	100
PID 3536 wrote to memory of 220	3536	cmd.exe	101
PID 3536 wrote to memory of 220	3536	cmd.exe	101
PID 3536 wrote to memory of 220	3536	cmd.exe	101
PID 3536 wrote to memory of 216	3536	cmd.exe	102
PID 3536 wrote to memory of 216	3536	cmd.exe	102
PID 3536 wrote to memory of 216	3536	cmd.exe	102
PID 3536 wrote to memory of 3576	3536	cmd.exe	103
PID 3536 wrote to memory of 3576	3536	cmd.exe	103
PID 3536 wrote to memory of 3576	3536	cmd.exe	103
PID 4416 wrote to memory of 2368	4416	saves.exe	106
PID 4416 wrote to memory of 2368	4416	saves.exe	106
PID 4416 wrote to memory of 2368	4416	saves.exe	106

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\1d01c9024a0eaa028a08b5e060be9ae0dea169a46c10e975f8dd30d37c16e1c3.exe
"C:\Users\Admin\AppData\Local\Temp\1d01c9024a0eaa028a08b5e060be9ae0dea169a46c10e975f8dd30d37c16e1c3.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1900
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x6815788.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x6815788.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:4408
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x6738016.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x6738016.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious use of WriteProcessMemory
    PID:3600
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\x4785823.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\x4785823.exe
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      Suspicious use of WriteProcessMemory
      PID:4196
    - - C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\g2009052.exe
        
        C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\g2009052.exe
        5⤵
        Modifies Windows Defender Real-time Protection settings
        Executes dropped EXE
        Windows security modification
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:5040
    - - C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\h3985281.exe
        
        C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\h3985281.exe
        5⤵
        Checks computer location settings
        Executes dropped EXE
        Suspicious use of WriteProcessMemory
        
        PID:5032
      - 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
        Suspicious use of WriteProcessMemory
        
        PID:4416
        
        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⤵
        Creates scheduled task(s)
        
        PID:2540
        
        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⤵
        Suspicious use of WriteProcessMemory
        
        PID:3536
        
        C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\system32\cmd.exe /S /D /c" echo Y"
        8⤵
        
        PID:4672
        
        C:\Windows\SysWOW64\cacls.exe
        
        CACLS "saves.exe" /P "Admin:N"
        8⤵
        
        PID:3184
        
        C:\Windows\SysWOW64\cacls.exe
        
        CACLS "saves.exe" /P "Admin:R" /E
        8⤵
        
        PID:2064
        
        C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\system32\cmd.exe /S /D /c" echo Y"
        8⤵
        
        PID:220
        
        C:\Windows\SysWOW64\cacls.exe
        
        CACLS "..\b40d11255d" /P "Admin:N"
        8⤵
        
        PID:216
        
        C:\Windows\SysWOW64\cacls.exe
        
        CACLS "..\b40d11255d" /P "Admin:R" /E
        8⤵
        
        PID:3576
        
        C:\Windows\SysWOW64\rundll32.exe
        
        "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\006700e5a2ab05\clip64.dll, Main
        7⤵
        Loads dropped DLL
        
        PID:2368
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i7454895.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i7454895.exe
      4⤵
      Executes dropped EXE
      PID:4168

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:4132

C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
1⤵
- Executes dropped EXE
PID:4044

C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
1⤵
- Executes dropped EXE
PID:564

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