Analysis

  • max time kernel
    2s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/12/2023, 16:26

General

  • Target

    7c934c2bf95ac6f0c0588bfd2fe587be.exe

  • Size

    512KB

  • MD5

    7c934c2bf95ac6f0c0588bfd2fe587be

  • SHA1

    4abef60a192a233469a353544f77f13fe83d4a8b

  • SHA256

    da3db60964012295ef95eb9899b0cfa699dfcea4905dc12a1a3a0eaf635ba5a5

  • SHA512

    b8fed8974f7d29cb0190dedc77bf91a463b11132962c5f718d426188b52e48950515ca50233dc31b2a14d498c74a153066b2973748e40992008986e8b7deead3

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6Z:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm5w

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 5 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 5 IoCs
  • Windows security modification 2 TTPs 6 IoCs
  • Adds Run key to start application 2 TTPs 3 IoCs
  • Enumerates connected drives 3 TTPs 64 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Modifies WinLogon 2 TTPs 2 IoCs
  • AutoIT Executable 3 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 9 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 20 IoCs
  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of FindShellTrayWindow 18 IoCs
  • Suspicious use of SendNotifyMessage 18 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7c934c2bf95ac6f0c0588bfd2fe587be.exe
    "C:\Users\Admin\AppData\Local\Temp\7c934c2bf95ac6f0c0588bfd2fe587be.exe"
    1⤵
    • Checks computer location settings
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:808
    • C:\Windows\SysWOW64\mgfnmwsqocrpq.exe
      mgfnmwsqocrpq.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2100
    • C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
      "C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Windows\mydoc.rtf" /o ""
      2⤵
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      PID:3924
    • C:\Windows\SysWOW64\qcdmpnxd.exe
      qcdmpnxd.exe
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:5024
    • C:\Windows\SysWOW64\lytpqfhndslfnrk.exe
      lytpqfhndslfnrk.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:3140
    • C:\Windows\SysWOW64\ucypuxfqrg.exe
      ucypuxfqrg.exe
      2⤵
      • Modifies visibility of file extensions in Explorer
      • Modifies visiblity of hidden/system files in Explorer
      • Windows security bypass
      • Disables RegEdit via registry modification
      • Executes dropped EXE
      • Windows security modification
      • Enumerates connected drives
      • Modifies WinLogon
      • Drops file in System32 directory
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:1768
  • C:\Windows\SysWOW64\qcdmpnxd.exe
    C:\Windows\system32\qcdmpnxd.exe
    1⤵
    • Executes dropped EXE
    • Enumerates connected drives
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:4848

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\lytpqfhndslfnrk.exe

    Filesize

    92KB

    MD5

    6662b185f19fbf697c56a25c92de7961

    SHA1

    0df0c0df0de3724258df2549c583e3c934aca726

    SHA256

    c11edb9e97848e20319fba876d9382c7193f68323eff1f7ed805bb04303bdc86

    SHA512

    c6e2cb83f68a63ca299dae843d2697d41dab8b565fb4005755b0d255b388779b6c1dad97375009c995f0a3d2e0acb4cc820090ca5dc24ee11e1a3de5b1a4921f

  • memory/808-0-0x0000000000400000-0x0000000000496000-memory.dmp

    Filesize

    600KB

  • memory/3924-48-0x00007FFEDF650000-0x00007FFEDF845000-memory.dmp

    Filesize

    2.0MB

  • memory/3924-45-0x00007FFEDF650000-0x00007FFEDF845000-memory.dmp

    Filesize

    2.0MB

  • memory/3924-46-0x00007FFEDF650000-0x00007FFEDF845000-memory.dmp

    Filesize

    2.0MB

  • memory/3924-50-0x00007FFEDF650000-0x00007FFEDF845000-memory.dmp

    Filesize

    2.0MB

  • memory/3924-53-0x00007FFEDF650000-0x00007FFEDF845000-memory.dmp

    Filesize

    2.0MB

  • memory/3924-55-0x00007FFEDF650000-0x00007FFEDF845000-memory.dmp

    Filesize

    2.0MB

  • memory/3924-54-0x00007FFEDF650000-0x00007FFEDF845000-memory.dmp

    Filesize

    2.0MB

  • memory/3924-52-0x00007FFE9D3B0000-0x00007FFE9D3C0000-memory.dmp

    Filesize

    64KB

  • memory/3924-51-0x00007FFEDF650000-0x00007FFEDF845000-memory.dmp

    Filesize

    2.0MB

  • memory/3924-49-0x00007FFEDF650000-0x00007FFEDF845000-memory.dmp

    Filesize

    2.0MB

  • memory/3924-56-0x00007FFE9D3B0000-0x00007FFE9D3C0000-memory.dmp

    Filesize

    64KB

  • memory/3924-42-0x00007FFEDF650000-0x00007FFEDF845000-memory.dmp

    Filesize

    2.0MB

  • memory/3924-47-0x00007FFEDF650000-0x00007FFEDF845000-memory.dmp

    Filesize

    2.0MB

  • memory/3924-43-0x00007FFE9F6D0000-0x00007FFE9F6E0000-memory.dmp

    Filesize

    64KB

  • memory/3924-44-0x00007FFEDF650000-0x00007FFEDF845000-memory.dmp

    Filesize

    2.0MB

  • memory/3924-41-0x00007FFE9F6D0000-0x00007FFE9F6E0000-memory.dmp

    Filesize

    64KB

  • memory/3924-37-0x00007FFE9F6D0000-0x00007FFE9F6E0000-memory.dmp

    Filesize

    64KB

  • memory/3924-36-0x00007FFE9F6D0000-0x00007FFE9F6E0000-memory.dmp

    Filesize

    64KB

  • memory/3924-35-0x00007FFE9F6D0000-0x00007FFE9F6E0000-memory.dmp

    Filesize

    64KB

  • memory/3924-39-0x00007FFEDF650000-0x00007FFEDF845000-memory.dmp

    Filesize

    2.0MB

  • memory/3924-114-0x00007FFEDF650000-0x00007FFEDF845000-memory.dmp

    Filesize

    2.0MB

  • memory/3924-139-0x00007FFE9F6D0000-0x00007FFE9F6E0000-memory.dmp

    Filesize

    64KB

  • memory/3924-141-0x00007FFEDF650000-0x00007FFEDF845000-memory.dmp

    Filesize

    2.0MB

  • memory/3924-140-0x00007FFEDF650000-0x00007FFEDF845000-memory.dmp

    Filesize

    2.0MB

  • memory/3924-138-0x00007FFE9F6D0000-0x00007FFE9F6E0000-memory.dmp

    Filesize

    64KB

  • memory/3924-137-0x00007FFE9F6D0000-0x00007FFE9F6E0000-memory.dmp

    Filesize

    64KB

  • memory/3924-136-0x00007FFE9F6D0000-0x00007FFE9F6E0000-memory.dmp

    Filesize

    64KB