Analysis

  • max time kernel
    151s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/10/2022, 02:48

General

  • Target

    6fd673e51aa293d323d71404fc0b61110ac41a4ac91a672c0d466f14b521768c.exe

  • Size

    272KB

  • MD5

    6348503ccfaa4d343cc5f20d86cdf0b0

  • SHA1

    dd65da18454d735356fdbba851acc4b260c91d0d

  • SHA256

    6fd673e51aa293d323d71404fc0b61110ac41a4ac91a672c0d466f14b521768c

  • SHA512

    1ac8ba92de83ab8acbb4fa068189e5cf42c64daf4e14840ec37fcb651d40e821c65c4e8dcf28e11bdedae65df1828ec08921fc2e2da87f42a6e34a3d11d3bfc4

  • SSDEEP

    3072:NDce7C230FvbVJznCRck/hqF69MSs/PLLK+JmmU3YwgTgA3Yy:tZdefznHk39G/PLLDU3YwgT

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Adds Run key to start application 2 TTPs 29 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6fd673e51aa293d323d71404fc0b61110ac41a4ac91a672c0d466f14b521768c.exe
    "C:\Users\Admin\AppData\Local\Temp\6fd673e51aa293d323d71404fc0b61110ac41a4ac91a672c0d466f14b521768c.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Checks computer location settings
    • Adds Run key to start application
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3548
    • C:\Users\Admin\moioyoj.exe
      "C:\Users\Admin\moioyoj.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:3688
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:772

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\moioyoj.exe

      Filesize

      272KB

      MD5

      6348503ccfaa4d343cc5f20d86cdf0b0

      SHA1

      dd65da18454d735356fdbba851acc4b260c91d0d

      SHA256

      6fd673e51aa293d323d71404fc0b61110ac41a4ac91a672c0d466f14b521768c

      SHA512

      1ac8ba92de83ab8acbb4fa068189e5cf42c64daf4e14840ec37fcb651d40e821c65c4e8dcf28e11bdedae65df1828ec08921fc2e2da87f42a6e34a3d11d3bfc4

    • C:\Users\Admin\moioyoj.exe

      Filesize

      272KB

      MD5

      6348503ccfaa4d343cc5f20d86cdf0b0

      SHA1

      dd65da18454d735356fdbba851acc4b260c91d0d

      SHA256

      6fd673e51aa293d323d71404fc0b61110ac41a4ac91a672c0d466f14b521768c

      SHA512

      1ac8ba92de83ab8acbb4fa068189e5cf42c64daf4e14840ec37fcb651d40e821c65c4e8dcf28e11bdedae65df1828ec08921fc2e2da87f42a6e34a3d11d3bfc4