4bcbb8983fe7425976c5a1789deff73fb138e80981f5ebfef1f835bcc6757760

Windows Service

Disable or Modify Tools

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\DisableAntiSpyware = "1"	f846950431f463a0a7e663ea7003e31c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\DisableAntiSpyware = "1"	srxy1wyf.bat

Modifies Windows Defender Real-time Protection settings 3 TTPs 7 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\DisableOnAccessProtection = "1"	srxy1wyf.bat
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	srxy1wyf.bat
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	f846950431f463a0a7e663ea7003e31c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	f846950431f463a0a7e663ea7003e31c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	f846950431f463a0a7e663ea7003e31c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	f846950431f463a0a7e663ea7003e31c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	srxy1wyf.bat

Modifies Windows Defender TamperProtection settings 3 TTPs 2 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"	f846950431f463a0a7e663ea7003e31c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0"	srxy1wyf.bat

Stops running service(s) 4 TTPs
defense_evasion execution

Windows Service
T1543.003

Impair Defenses
T1562

Service Stop
T1489

Service Execution
T1569.002

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-1-5-21-1279544337-3716153908-718418795-1000\Control Panel\International\Geo\Nation	f846950431f463a0a7e663ea7003e31c.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1279544337-3716153908-718418795-1000\Control Panel\International\Geo\Nation	srxy1wyf.bat

Executes dropped EXE 1 IoCs

pid	Process
2252	srxy1wyf.bat

Windows security modification 2 TTPs 2 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"	srxy1wyf.bat
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0"	f846950431f463a0a7e663ea7003e31c.exe

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
32	api.ipify.org
33	api.ipify.org

Launches sc.exe 14 IoCs

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

pid	Process
2636	sc.exe
5848	sc.exe
4688	sc.exe
2320	sc.exe
5604	sc.exe
3484	sc.exe
5244	sc.exe
3932	sc.exe
5408	sc.exe
8	sc.exe
4724	sc.exe
2816	sc.exe
4040	sc.exe
5860	sc.exe

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

System Information Discovery
T1082

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
4836	timeout.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1279544337-3716153908-718418795-1000_Classes\Local Settings	f846950431f463a0a7e663ea7003e31c.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1260	f846950431f463a0a7e663ea7003e31c.exe
1260	f846950431f463a0a7e663ea7003e31c.exe
2252	srxy1wyf.bat
2252	srxy1wyf.bat
2252	srxy1wyf.bat
2252	srxy1wyf.bat
2252	srxy1wyf.bat
2252	srxy1wyf.bat
2252	srxy1wyf.bat
2252	srxy1wyf.bat
2252	srxy1wyf.bat
2252	srxy1wyf.bat
2252	srxy1wyf.bat
2252	srxy1wyf.bat
2252	srxy1wyf.bat
2252	srxy1wyf.bat
2252	srxy1wyf.bat
2252	srxy1wyf.bat
2252	srxy1wyf.bat
2252	srxy1wyf.bat
2252	srxy1wyf.bat
2252	srxy1wyf.bat
2252	srxy1wyf.bat
2252	srxy1wyf.bat
2252	srxy1wyf.bat
2252	srxy1wyf.bat
2252	srxy1wyf.bat
2252	srxy1wyf.bat
2252	srxy1wyf.bat
2252	srxy1wyf.bat
2252	srxy1wyf.bat
2252	srxy1wyf.bat
2252	srxy1wyf.bat
2252	srxy1wyf.bat
2252	srxy1wyf.bat
2252	srxy1wyf.bat
2252	srxy1wyf.bat
2252	srxy1wyf.bat
2252	srxy1wyf.bat
2252	srxy1wyf.bat
2252	srxy1wyf.bat
2252	srxy1wyf.bat
2252	srxy1wyf.bat
2252	srxy1wyf.bat
2252	srxy1wyf.bat
2252	srxy1wyf.bat
2252	srxy1wyf.bat
2252	srxy1wyf.bat
2252	srxy1wyf.bat
2252	srxy1wyf.bat
2252	srxy1wyf.bat
2252	srxy1wyf.bat
2252	srxy1wyf.bat
2252	srxy1wyf.bat
2252	srxy1wyf.bat
2252	srxy1wyf.bat
2252	srxy1wyf.bat
2252	srxy1wyf.bat
2252	srxy1wyf.bat
2252	srxy1wyf.bat
2252	srxy1wyf.bat
2252	srxy1wyf.bat
2252	srxy1wyf.bat
2252	srxy1wyf.bat

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	1260	f846950431f463a0a7e663ea7003e31c.exe
Token: SeDebugPrivilege	2252	srxy1wyf.bat
Token: SeSecurityPrivilege	3052	wevtutil.exe
Token: SeBackupPrivilege	3052	wevtutil.exe
Token: SeDebugPrivilege	3460	powershell.exe
Token: SeDebugPrivilege	1020	powershell.exe

Suspicious use of WriteProcessMemory 62 IoCs

description	pid	Process	procid_target
PID 1260 wrote to memory of 5408	1260	f846950431f463a0a7e663ea7003e31c.exe	86
PID 1260 wrote to memory of 5408	1260	f846950431f463a0a7e663ea7003e31c.exe	86
PID 1260 wrote to memory of 8	1260	f846950431f463a0a7e663ea7003e31c.exe	88
PID 1260 wrote to memory of 8	1260	f846950431f463a0a7e663ea7003e31c.exe	88
PID 1260 wrote to memory of 2252	1260	f846950431f463a0a7e663ea7003e31c.exe	92
PID 1260 wrote to memory of 2252	1260	f846950431f463a0a7e663ea7003e31c.exe	92
PID 1260 wrote to memory of 3380	1260	f846950431f463a0a7e663ea7003e31c.exe	93
PID 1260 wrote to memory of 3380	1260	f846950431f463a0a7e663ea7003e31c.exe	93
PID 2252 wrote to memory of 4688	2252	srxy1wyf.bat	95
PID 2252 wrote to memory of 4688	2252	srxy1wyf.bat	95
PID 2252 wrote to memory of 4724	2252	srxy1wyf.bat	96
PID 2252 wrote to memory of 4724	2252	srxy1wyf.bat	96
PID 3380 wrote to memory of 4592	3380	cmd.exe	99
PID 3380 wrote to memory of 4592	3380	cmd.exe	99
PID 3380 wrote to memory of 4784	3380	cmd.exe	101
PID 3380 wrote to memory of 4784	3380	cmd.exe	101
PID 3380 wrote to memory of 4836	3380	cmd.exe	102
PID 3380 wrote to memory of 4836	3380	cmd.exe	102
PID 2252 wrote to memory of 944	2252	srxy1wyf.bat	104
PID 2252 wrote to memory of 944	2252	srxy1wyf.bat	104
PID 2252 wrote to memory of 2816	2252	srxy1wyf.bat	106
PID 2252 wrote to memory of 2816	2252	srxy1wyf.bat	106
PID 944 wrote to memory of 4040	944	cmd.exe	108
PID 944 wrote to memory of 4040	944	cmd.exe	108
PID 2252 wrote to memory of 3912	2252	srxy1wyf.bat	109
PID 2252 wrote to memory of 3912	2252	srxy1wyf.bat	109
PID 2252 wrote to memory of 5860	2252	srxy1wyf.bat	111
PID 2252 wrote to memory of 5860	2252	srxy1wyf.bat	111
PID 3912 wrote to memory of 5848	3912	cmd.exe	113
PID 3912 wrote to memory of 5848	3912	cmd.exe	113
PID 2252 wrote to memory of 1088	2252	srxy1wyf.bat	114
PID 2252 wrote to memory of 1088	2252	srxy1wyf.bat	114
PID 1088 wrote to memory of 2636	1088	cmd.exe	116
PID 1088 wrote to memory of 2636	1088	cmd.exe	116
PID 3380 wrote to memory of 2056	3380	cmd.exe	117
PID 3380 wrote to memory of 2056	3380	cmd.exe	117
PID 3380 wrote to memory of 3052	3380	cmd.exe	118
PID 3380 wrote to memory of 3052	3380	cmd.exe	118
PID 2252 wrote to memory of 2320	2252	srxy1wyf.bat	119
PID 2252 wrote to memory of 2320	2252	srxy1wyf.bat	119
PID 2252 wrote to memory of 5172	2252	srxy1wyf.bat	124
PID 2252 wrote to memory of 5172	2252	srxy1wyf.bat	124
PID 5172 wrote to memory of 5604	5172	cmd.exe	126
PID 5172 wrote to memory of 5604	5172	cmd.exe	126
PID 2252 wrote to memory of 5584	2252	srxy1wyf.bat	127
PID 2252 wrote to memory of 5584	2252	srxy1wyf.bat	127
PID 5584 wrote to memory of 3484	5584	cmd.exe	129
PID 5584 wrote to memory of 3484	5584	cmd.exe	129
PID 3380 wrote to memory of 4352	3380	cmd.exe	130
PID 3380 wrote to memory of 4352	3380	cmd.exe	130
PID 2252 wrote to memory of 3460	2252	srxy1wyf.bat	132
PID 2252 wrote to memory of 3460	2252	srxy1wyf.bat	132
PID 2252 wrote to memory of 1020	2252	srxy1wyf.bat	134
PID 2252 wrote to memory of 1020	2252	srxy1wyf.bat	134
PID 2252 wrote to memory of 3464	2252	srxy1wyf.bat	136
PID 2252 wrote to memory of 3464	2252	srxy1wyf.bat	136
PID 2252 wrote to memory of 5936	2252	srxy1wyf.bat	138
PID 2252 wrote to memory of 5936	2252	srxy1wyf.bat	138
PID 3464 wrote to memory of 3932	3464	cmd.exe	140
PID 3464 wrote to memory of 3932	3464	cmd.exe	140
PID 5936 wrote to memory of 5244	5936	cmd.exe	141
PID 5936 wrote to memory of 5244	5936	cmd.exe	141

Views/modifies file attributes 1 TTPs 3 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
4592	attrib.exe
2056	attrib.exe
4352	attrib.exe

C:\Users\Admin\AppData\Local\Temp\f846950431f463a0a7e663ea7003e31c.exe
"C:\Users\Admin\AppData\Local\Temp\f846950431f463a0a7e663ea7003e31c.exe"
1⤵
- Modifies Windows Defender DisableAntiSpyware settings
- Modifies Windows Defender Real-time Protection settings
- Modifies Windows Defender TamperProtection settings
- Checks computer location settings
- Windows security modification
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1260
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config wdfilter start=disabled
  2⤵
  - Launches sc.exe
  PID:5408
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config WerSvc start=disabled
  2⤵
  - Launches sc.exe
  PID:8
- C:\Users\Admin\AppData\Local\Temp\srxy1wyf.bat
  "C:\Users\Admin\AppData\Local\Temp\srxy1wyf.bat" ok
  2⤵
  - Modifies Windows Defender DisableAntiSpyware settings
  - Modifies Windows Defender Real-time Protection settings
  - Modifies Windows Defender TamperProtection settings
  - Checks computer location settings
  - Executes dropped EXE
  - Windows security modification
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2252
- - C:\Windows\System32\sc.exe
    "C:\Windows\System32\sc.exe" config wdfilter start=disabled
    3⤵
    - Launches sc.exe
    PID:4688
- - C:\Windows\System32\sc.exe
    "C:\Windows\System32\sc.exe" config WerSvc start=disabled
    3⤵
    - Launches sc.exe
    PID:4724
- - C:\Windows\System32\cmd.exe
    "C:\Windows\System32\cmd.exe" /c sc stop wdfilter
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:944
  - - C:\Windows\system32\sc.exe
      sc stop wdfilter
      4⤵
      Launches sc.exe
      PID:4040
- - C:\Windows\System32\sc.exe
    "C:\Windows\System32\sc.exe" config WinDefend start=disabled
    3⤵
    - Launches sc.exe
    PID:2816
- - C:\Windows\System32\cmd.exe
    "C:\Windows\System32\cmd.exe" /c sc stop WerSvc
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3912
  - - C:\Windows\system32\sc.exe
      sc stop WerSvc
      4⤵
      Launches sc.exe
      PID:5848
- - C:\Windows\System32\sc.exe
    "C:\Windows\System32\sc.exe" config WdNisSvc start=disabled
    3⤵
    - Launches sc.exe
    PID:5860
- - C:\Windows\System32\cmd.exe
    "C:\Windows\System32\cmd.exe" /c sc stop WinDefend
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1088
  - - C:\Windows\system32\sc.exe
      sc stop WinDefend
      4⤵
      Launches sc.exe
      PID:2636
- - C:\Windows\System32\sc.exe
    "C:\Windows\System32\sc.exe" config XblGameSave start=disabled
    3⤵
    - Launches sc.exe
    PID:2320
- - C:\Windows\System32\cmd.exe
    "C:\Windows\System32\cmd.exe" /c sc stop WdNisSvc
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:5172
  - - C:\Windows\system32\sc.exe
      sc stop WdNisSvc
      4⤵
      Launches sc.exe
      PID:5604
- - C:\Windows\System32\cmd.exe
    "C:\Windows\System32\cmd.exe" /c sc stop XblGameSave
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:5584
  - - C:\Windows\system32\sc.exe
      sc stop XblGameSave
      4⤵
      Launches sc.exe
      PID:3484
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" New-NetQosPolicy -Name "XXXXX" -AppPathNameMatchCondition "C:\Program Files (x86)\EasyAntiCheat\EasyAntiCheat.exe" -ThrottleRateActionBitsPerSecond 8
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:3460
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" New-NetQosPolicy -Name "YYYYY" -AppPathNameMatchCondition "C:\Program Files (x86)\Common Files\BattlEye\BEService.exe" -ThrottleRateActionBitsPerSecond 8
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:1020
- - C:\Windows\System32\cmd.exe
    "C:\Windows\System32\cmd.exe" /c sc stop wdfilter
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3464
  - - C:\Windows\system32\sc.exe
      sc stop wdfilter
      4⤵
      Launches sc.exe
      PID:3932
- - C:\Windows\System32\cmd.exe
    "C:\Windows\System32\cmd.exe" /c sc stop faceit
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:5936
  - - C:\Windows\system32\sc.exe
      sc stop faceit
      4⤵
      Launches sc.exe
      PID:5244
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\a730152c-b202-41d8-b9dd-6e76ed214f9f.bat"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3380
- - C:\Windows\system32\attrib.exe
    attrib -r -s -h "C:\Users\Admin\AppData\Local\Temp\f846950431f463a0a7e663ea7003e31c.exe"
    3⤵
    - Views/modifies file attributes
    PID:4592
- - C:\Windows\system32\reg.exe
    REG ADD "HKLM\SOFTWARE\Policies\Microsoft\Windows\System" /v "HiberbootEnabled" /t REG_DWORD /d 0 /f
    3⤵
    PID:4784
- - C:\Windows\system32\timeout.exe
    timeout /T 1
    3⤵
    - Delays execution with timeout.exe
    PID:4836
- - C:\Windows\system32\attrib.exe
    attrib -r -s -h "C:\Users\Admin\AppData\Local\Temp\f846950431f463a0a7e663ea7003e31c.exe"
    3⤵
    - Views/modifies file attributes
    PID:2056
- - C:\Windows\system32\wevtutil.exe
    wevtutil el
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:3052
- - C:\Windows\system32\attrib.exe
    attrib -r -s -h "C:\Users\Admin\AppData\Local\Temp\a730152c-b202-41d8-b9dd-6e76ed214f9f.bat"
    3⤵
    - Views/modifies file attributes
    PID:4352

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

System Services

T1569

Service Execution

T1569.002

Persistence

Create or Modify System Process

T1543

Windows Service

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Impair Defenses

T1562

Disable or Modify Tools

Modify Registry