amadey | c75730e6ecdf31924dd7032a6d297977f7ed25cc132d94cb0b7661b28227c9cc

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	a3753455.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	a3753455.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	a3753455.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	a3753455.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	a3753455.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	a3753455.exe

RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
infostealer redline
SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader
Downloads MZ/PE file

Checks computer location settings 2 TTPs 3 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	b3326940.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\Control Panel\International\Geo\Nation	danke.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\Control Panel\International\Geo\Nation	E0E5.exe

Executes dropped EXE 11 IoCs

pid	Process
4144	v2567856.exe
3908	v3603994.exe
4768	a3753455.exe
1708	b3326940.exe
4184	danke.exe
3784	c9751406.exe
4716	d2788823.exe
4500	danke.exe
1976	danke.exe
1648	E0E5.exe
696	danke.exe

Loads dropped DLL 3 IoCs

pid	Process
1848	rundll32.exe
2632	rundll32.exe
2184	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"	a3753455.exe

Adds Run key to start application 2 TTPs 6 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_cleanup1 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP001.TMP\\\""	v2567856.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	v3603994.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\\\""	v3603994.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	c75730e6ecdf31924dd7032a6d297977f7ed25cc132d94cb0b7661b28227c9cc.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\\\""	c75730e6ecdf31924dd7032a6d297977f7ed25cc132d94cb0b7661b28227c9cc.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	v2567856.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{B80A1F2F-C56E-418A-89A4-B08D64F8BB4A}.catalogItem	svchost.exe

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

System Information Discovery
T1082

Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

Query Registry

Peripheral Device Discovery

T1120

System Information Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	c9751406.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	c9751406.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	c9751406.exe

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
2804	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 64 IoCs

pid	Process
4768	a3753455.exe
4768	a3753455.exe
3784	c9751406.exe
3784	c9751406.exe
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3168	Process not Found

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
3784	c9751406.exe

Suspicious use of AdjustPrivilegeToken 19 IoCs

description	pid	Process
Token: SeDebugPrivilege	4768	a3753455.exe
Token: SeShutdownPrivilege	3168	Process not Found
Token: SeCreatePagefilePrivilege	3168	Process not Found
Token: SeShutdownPrivilege	3168	Process not Found
Token: SeCreatePagefilePrivilege	3168	Process not Found
Token: SeShutdownPrivilege	3168	Process not Found
Token: SeCreatePagefilePrivilege	3168	Process not Found
Token: SeShutdownPrivilege	3168	Process not Found
Token: SeCreatePagefilePrivilege	3168	Process not Found
Token: SeShutdownPrivilege	3168	Process not Found
Token: SeCreatePagefilePrivilege	3168	Process not Found
Token: SeShutdownPrivilege	3168	Process not Found
Token: SeCreatePagefilePrivilege	3168	Process not Found
Token: SeShutdownPrivilege	3168	Process not Found
Token: SeCreatePagefilePrivilege	3168	Process not Found
Token: SeShutdownPrivilege	3168	Process not Found
Token: SeCreatePagefilePrivilege	3168	Process not Found
Token: SeShutdownPrivilege	3168	Process not Found
Token: SeCreatePagefilePrivilege	3168	Process not Found

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1708	b3326940.exe

Suspicious use of WriteProcessMemory 61 IoCs

description	pid	Process	procid_target
PID 3372 wrote to memory of 4144	3372	c75730e6ecdf31924dd7032a6d297977f7ed25cc132d94cb0b7661b28227c9cc.exe	81
PID 3372 wrote to memory of 4144	3372	c75730e6ecdf31924dd7032a6d297977f7ed25cc132d94cb0b7661b28227c9cc.exe	81
PID 3372 wrote to memory of 4144	3372	c75730e6ecdf31924dd7032a6d297977f7ed25cc132d94cb0b7661b28227c9cc.exe	81
PID 4144 wrote to memory of 3908	4144	v2567856.exe	82
PID 4144 wrote to memory of 3908	4144	v2567856.exe	82
PID 4144 wrote to memory of 3908	4144	v2567856.exe	82
PID 3908 wrote to memory of 4768	3908	v3603994.exe	83
PID 3908 wrote to memory of 4768	3908	v3603994.exe	83
PID 3908 wrote to memory of 1708	3908	v3603994.exe	94
PID 3908 wrote to memory of 1708	3908	v3603994.exe	94
PID 3908 wrote to memory of 1708	3908	v3603994.exe	94
PID 1708 wrote to memory of 4184	1708	b3326940.exe	96
PID 1708 wrote to memory of 4184	1708	b3326940.exe	96
PID 1708 wrote to memory of 4184	1708	b3326940.exe	96
PID 4144 wrote to memory of 3784	4144	v2567856.exe	97
PID 4144 wrote to memory of 3784	4144	v2567856.exe	97
PID 4144 wrote to memory of 3784	4144	v2567856.exe	97
PID 4184 wrote to memory of 2804	4184	danke.exe	98
PID 4184 wrote to memory of 2804	4184	danke.exe	98
PID 4184 wrote to memory of 2804	4184	danke.exe	98
PID 4184 wrote to memory of 2824	4184	danke.exe	100
PID 4184 wrote to memory of 2824	4184	danke.exe	100
PID 4184 wrote to memory of 2824	4184	danke.exe	100
PID 2824 wrote to memory of 1408	2824	cmd.exe	102
PID 2824 wrote to memory of 1408	2824	cmd.exe	102
PID 2824 wrote to memory of 1408	2824	cmd.exe	102
PID 2824 wrote to memory of 2332	2824	cmd.exe	103
PID 2824 wrote to memory of 2332	2824	cmd.exe	103
PID 2824 wrote to memory of 2332	2824	cmd.exe	103
PID 2824 wrote to memory of 3872	2824	cmd.exe	104
PID 2824 wrote to memory of 3872	2824	cmd.exe	104
PID 2824 wrote to memory of 3872	2824	cmd.exe	104
PID 2824 wrote to memory of 3108	2824	cmd.exe	105
PID 2824 wrote to memory of 3108	2824	cmd.exe	105
PID 2824 wrote to memory of 3108	2824	cmd.exe	105
PID 2824 wrote to memory of 4344	2824	cmd.exe	106
PID 2824 wrote to memory of 4344	2824	cmd.exe	106
PID 2824 wrote to memory of 4344	2824	cmd.exe	106
PID 2824 wrote to memory of 4028	2824	cmd.exe	107
PID 2824 wrote to memory of 4028	2824	cmd.exe	107
PID 2824 wrote to memory of 4028	2824	cmd.exe	107
PID 3372 wrote to memory of 4716	3372	c75730e6ecdf31924dd7032a6d297977f7ed25cc132d94cb0b7661b28227c9cc.exe	108
PID 3372 wrote to memory of 4716	3372	c75730e6ecdf31924dd7032a6d297977f7ed25cc132d94cb0b7661b28227c9cc.exe	108
PID 3372 wrote to memory of 4716	3372	c75730e6ecdf31924dd7032a6d297977f7ed25cc132d94cb0b7661b28227c9cc.exe	108
PID 4184 wrote to memory of 1848	4184	danke.exe	116
PID 4184 wrote to memory of 1848	4184	danke.exe	116
PID 4184 wrote to memory of 1848	4184	danke.exe	116
PID 3168 wrote to memory of 1648	3168	Process not Found	124
PID 3168 wrote to memory of 1648	3168	Process not Found	124
PID 3168 wrote to memory of 1648	3168	Process not Found	124
PID 1648 wrote to memory of 4144	1648	E0E5.exe	125
PID 1648 wrote to memory of 4144	1648	E0E5.exe	125
PID 1648 wrote to memory of 4144	1648	E0E5.exe	125
PID 4144 wrote to memory of 2632	4144	control.exe	126
PID 4144 wrote to memory of 2632	4144	control.exe	126
PID 4144 wrote to memory of 2632	4144	control.exe	126
PID 2632 wrote to memory of 1052	2632	rundll32.exe	129
PID 2632 wrote to memory of 1052	2632	rundll32.exe	129
PID 1052 wrote to memory of 2184	1052	RunDll32.exe	130
PID 1052 wrote to memory of 2184	1052	RunDll32.exe	130
PID 1052 wrote to memory of 2184	1052	RunDll32.exe	130

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\c75730e6ecdf31924dd7032a6d297977f7ed25cc132d94cb0b7661b28227c9cc.exe
"C:\Users\Admin\AppData\Local\Temp\c75730e6ecdf31924dd7032a6d297977f7ed25cc132d94cb0b7661b28227c9cc.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3372
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v2567856.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v2567856.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:4144
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v3603994.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v3603994.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious use of WriteProcessMemory
    PID:3908
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\a3753455.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\a3753455.exe
      4⤵
      Modifies Windows Defender Real-time Protection settings
      Executes dropped EXE
      Windows security modification
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:4768
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\b3326940.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\b3326940.exe
      4⤵
      Checks computer location settings
      Executes dropped EXE
      Suspicious use of FindShellTrayWindow
      Suspicious use of WriteProcessMemory
      PID:1708
    - - C:\Users\Admin\AppData\Local\Temp\3ec1f323b5\danke.exe
        
        "C:\Users\Admin\AppData\Local\Temp\3ec1f323b5\danke.exe"
        5⤵
        Checks computer location settings
        Executes dropped EXE
        Suspicious use of WriteProcessMemory
        
        PID:4184
      - 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
        6⤵
        Creates scheduled task(s)
        
        PID:2804
      - 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
        6⤵
        Suspicious use of WriteProcessMemory
        
        PID:2824
        
        C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\system32\cmd.exe /S /D /c" echo Y"
        7⤵
        
        PID:1408
        
        C:\Windows\SysWOW64\cacls.exe
        
        CACLS "danke.exe" /P "Admin:N"
        7⤵
        
        PID:2332
        
        C:\Windows\SysWOW64\cacls.exe
        
        CACLS "danke.exe" /P "Admin:R" /E
        7⤵
        
        PID:3872
        
        C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\system32\cmd.exe /S /D /c" echo Y"
        7⤵
        
        PID:3108
        
        C:\Windows\SysWOW64\cacls.exe
        
        CACLS "..\3ec1f323b5" /P "Admin:N"
        7⤵
        
        PID:4344
        
        C:\Windows\SysWOW64\cacls.exe
        
        CACLS "..\3ec1f323b5" /P "Admin:R" /E
        7⤵
        
        PID:4028
      - C:\Windows\SysWOW64\rundll32.exe
        
        "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\006700e5a2ab05\clip64.dll, Main
        6⤵
        Loads dropped DLL
        
        PID:1848
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\c9751406.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\c9751406.exe
    3⤵
    - Executes dropped EXE
    - Checks SCSI registry key(s)
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    PID:3784
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\d2788823.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\d2788823.exe
  2⤵
  - Executes dropped EXE
  PID:4716

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:1520

C:\Users\Admin\AppData\Local\Temp\3ec1f323b5\danke.exe
C:\Users\Admin\AppData\Local\Temp\3ec1f323b5\danke.exe
1⤵
- Executes dropped EXE
PID:4500

C:\Users\Admin\AppData\Local\Temp\3ec1f323b5\danke.exe
C:\Users\Admin\AppData\Local\Temp\3ec1f323b5\danke.exe
1⤵
- Executes dropped EXE
PID:1976

C:\Users\Admin\AppData\Local\Temp\E0E5.exe
C:\Users\Admin\AppData\Local\Temp\E0E5.exe
1⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1648
- C:\Windows\SysWOW64\control.exe
  "C:\Windows\System32\control.exe" .\TO0BIO.Oxm
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4144
- - C:\Windows\SysWOW64\rundll32.exe
    "C:\Windows\system32\rundll32.exe" Shell32.dll,Control_RunDLL .\TO0BIO.Oxm
    3⤵
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:2632
  - - C:\Windows\system32\RunDll32.exe
      C:\Windows\system32\RunDll32.exe Shell32.dll,Control_RunDLL .\TO0BIO.Oxm
      4⤵
      Suspicious use of WriteProcessMemory
      PID:1052
    - - C:\Windows\SysWOW64\rundll32.exe
        
        "C:\Windows\SysWOW64\rundll32.exe" "C:\Windows\SysWOW64\shell32.dll",#44 .\TO0BIO.Oxm
        5⤵
        Loads dropped DLL
        
        PID:2184

C:\Users\Admin\AppData\Local\Temp\3ec1f323b5\danke.exe
C:\Users\Admin\AppData\Local\Temp\3ec1f323b5\danke.exe
1⤵
- Executes dropped EXE
PID:696

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

Peripheral Device Discovery

T1120

Query Registry

System Information Discovery