Resubmissions

23/01/2026, 17:57

260123-wj35lscz8g10

23/01/2026, 17:50

260123-wevyfacx7f10

Analysis

  • max time kernel
    52s
  • max time network
    54s
  • platform
    windows11-21h2_x64
  • resource
    win11-20251231-en
  • resource tags

    arch:x64arch:x86image:win11-20251231-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    23/01/2026, 17:50

General

  • Target
    HPSmart.exe
  • Size 1.9MB
  • Sample260123-wevyfacx7f
  • SHA256 b30239064a8ff5ede80b2a97508fb58ad8c39d6bbe27b3ce5d6dc9564dcf766b
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Detects PlugX of Earth Preta campaign 12 IoCs
  • PlugX

    PlugX is a RAT (Remote Access Trojan) that has been around since 2008.

  • Plugx family
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 5 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Enumerates connected drives 3 TTPs 2 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 31 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Modifies registry class 8 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\HPSmart.exe
    "C:\Users\Admin\AppData\Local\Temp\HPSmart.exe"
    1⤵
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:4916
    • C:\Users\Public\HPSmartclbl\HPSmart.exe
      C:\Users\Public\HPSmartclbl\HPSmart.exe 132
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Enumerates connected drives
      • System Location Discovery: System Language Discovery
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4724
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c SCHTASKS.exedel %0 /tn "HPSmart Update" /f
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3904
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c SCHTASKS.exe /create /sc minute /mo 30 /tn "HPSmart Update" /tr """"C:\Users\Public\HPSmartclbl\HPSmart.exe""" 128" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:5032
        • C:\Windows\SysWOW64\schtasks.exe
          SCHTASKS.exe /create /sc minute /mo 30 /tn "HPSmart Update" /tr """"C:\Users\Public\HPSmartclbl\HPSmart.exe""" 128" /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:4308
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c SCHTASKS.exe /run /tn "HPSmart Update"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:5060
        • C:\Windows\SysWOW64\schtasks.exe
          SCHTASKS.exe /run /tn "HPSmart Update"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:5552
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c SCHTASKS.exe /delete /tn "AdobeDesktop" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1252
        • C:\Windows\SysWOW64\schtasks.exe
          SCHTASKS.exe /delete /tn "AdobeDesktop" /f
          4⤵
          • System Location Discovery: System Language Discovery
          PID:6076
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c SCHTASKS.exe /delete /tn "udisk_1" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4152
        • C:\Windows\SysWOW64\schtasks.exe
          SCHTASKS.exe /delete /tn "udisk_1" /f
          4⤵
          • System Location Discovery: System Language Discovery
          PID:2152
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c SCHTASKS.exe /delete /tn "udisk_2" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:924
        • C:\Windows\SysWOW64\schtasks.exe
          SCHTASKS.exe /delete /tn "udisk_2" /f
          4⤵
          • System Location Discovery: System Language Discovery
          PID:3500
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c SCHTASKS.exe /delete /tn "ZBT_0.1" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4080
        • C:\Windows\SysWOW64\schtasks.exe
          SCHTASKS.exe /delete /tn "ZBT_0.1" /f
          4⤵
          • System Location Discovery: System Language Discovery
          PID:3056
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c SCHTASKS.exe /delete /tn "LKUFORYOU_1" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4780
        • C:\Windows\SysWOW64\schtasks.exe
          SCHTASKS.exe /delete /tn "LKUFORYOU_1" /f
          4⤵
          • System Location Discovery: System Language Discovery
          PID:3128
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c SCHTASKS.exe /delete /tn "AcroRd32" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1824
        • C:\Windows\SysWOW64\schtasks.exe
          SCHTASKS.exe /delete /tn "AcroRd32" /f
          4⤵
          • System Location Discovery: System Language Discovery
          PID:5640
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c SCHTASKS.exe /delete /tn "udisk_1.00" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2932
        • C:\Windows\SysWOW64\schtasks.exe
          SCHTASKS.exe /delete /tn "udisk_1.00" /f
          4⤵
          • System Location Discovery: System Language Discovery
          PID:5416
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c SCHTASKS.exe /delete /tn "LKUFORYOU_2" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:5648
        • C:\Windows\SysWOW64\schtasks.exe
          SCHTASKS.exe /delete /tn "LKUFORYOU_2" /f
          4⤵
          • System Location Discovery: System Language Discovery
          PID:5620
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c SCHTASKS.exe /delete /tn "udisk_1.03" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2132
        • C:\Windows\SysWOW64\schtasks.exe
          SCHTASKS.exe /delete /tn "udisk_1.03" /f
          4⤵
          • System Location Discovery: System Language Discovery
          PID:5492
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c SCHTASKS.exe /delete /tn "udisk_1.02" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1536
        • C:\Windows\SysWOW64\schtasks.exe
          SCHTASKS.exe /delete /tn "udisk_1.02" /f
          4⤵
          • System Location Discovery: System Language Discovery
          PID:5272
  • C:\Users\Public\HPSmartclbl\HPSmart.exe
    "C:\Users\Public\HPSmartclbl\HPSmart.exe" 132
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    PID:4224
  • C:\Users\Public\HPSmartclbl\HPSmart.exe
    "C:\Users\Public\HPSmartclbl\HPSmart.exe"
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1036
    • C:\Users\Public\HPSmartclbl\HPSmart.exe
      C:\Users\Public\HPSmartclbl\HPSmart.exe 380
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      PID:4564
  • C:\Users\Public\HPSmartclbl\HPSmart.exe
    "C:\Users\Public\HPSmartclbl\HPSmart.exe" 380
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    PID:5384

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        HPReport.exe

        • Path C:\Users\Public\HPSmartclbl\HPReport.exe
        • Size 3.3MB
        • SHA256 492df82529abe6cb8e927fb1513a4e250c293ec86d802a313515d944d6ea7018
        • MD5 SHA1 SHA512 SSDEEP TLSH

        HPSmart.exe

        • Path C:\Users\Public\HPSmartclbl\HPSmart.exe
        • Size 1.9MB
        • SHA256 b30239064a8ff5ede80b2a97508fb58ad8c39d6bbe27b3ce5d6dc9564dcf766b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        InstanceFinderDlg.dat

        • Path C:\Users\Public\HPSmartclbl\InstanceFinderDlg.dat
        • Size 469KB
        • SHA256 2d53ae31c6df51173129d12a90f11b0412e12bb4d9901042d162d66a18880eac
        • MD5 SHA1 SHA512 SSDEEP TLSH

        InstanceFinderDlgUI.dll

        • Path C:\Users\Public\HPSmartclbl\InstanceFinderDlgUI.dll
        • Size 754KB
        • SHA256 4a0dfe9a33ce169986ffef8d40a44f2ae868b15976443b5b87756c8146d27478
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1036-28-0x00000000038D0000-0x0000000007554000-memory.dmp

        memory/1036-27-0x0000000003850000-0x00000000038C6000-memory.dmp

        memory/4224-24-0x00000000032A0000-0x0000000006F24000-memory.dmp

        memory/4224-17-0x0000000003220000-0x0000000003296000-memory.dmp

        memory/4224-20-0x0000000003220000-0x0000000003296000-memory.dmp

        memory/4564-37-0x0000000002F30000-0x0000000006BB4000-memory.dmp

        memory/4564-35-0x0000000002630000-0x00000000026A6000-memory.dmp

        memory/4724-21-0x00000000035A0000-0x0000000007224000-memory.dmp

        memory/4724-22-0x00000000035A0000-0x0000000007224000-memory.dmp

        memory/4724-19-0x00000000035A0000-0x0000000007224000-memory.dmp

        memory/4724-23-0x00000000035A0000-0x0000000007224000-memory.dmp

        memory/4724-18-0x0000000002C80000-0x0000000002CF6000-memory.dmp

        memory/4724-16-0x0000000002C80000-0x0000000002CF6000-memory.dmp

        memory/4724-32-0x0000000002C80000-0x0000000002CF6000-memory.dmp

        memory/4916-0-0x0000000003A80000-0x0000000003AF6000-memory.dmp

        memory/4916-2-0x0000000003B00000-0x0000000007784000-memory.dmp

        memory/4916-10-0x0000000003A80000-0x0000000003AF6000-memory.dmp

        memory/4916-1-0x0000000003A80000-0x0000000003AF6000-memory.dmp

        memory/5384-36-0x0000000003990000-0x0000000003A06000-memory.dmp

        memory/5384-38-0x0000000003A10000-0x0000000007694000-memory.dmp