Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/01/2025, 22:35

General

  • Target

    bf768bd2edeac7924b20acb49e960c82d7b34f17720fdf2ad8658e6eac75fcc5N.exe

  • Size

    398KB

  • MD5

    f13c0dbee984cb888636b40a7dc90970

  • SHA1

    a253c2047926bdc1a2cbb7d82007a44390ef64aa

  • SHA256

    bf768bd2edeac7924b20acb49e960c82d7b34f17720fdf2ad8658e6eac75fcc5

  • SHA512

    ec28f96cdb3e5ffb059bd077611addd68607b5bc0f0d2c3a85c97825abf8444cf38cd4bac8d61c78af522338c539ef73a05759d69c8d27b820bbea37c8727608

  • SSDEEP

    12288:vdDU6g13sJd1fm/+yb3O2jg82ydU/DdKumh:vdE3sJd1fm/+yb3OYg84/JHy

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

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

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Drops file in Program Files directory 4 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bf768bd2edeac7924b20acb49e960c82d7b34f17720fdf2ad8658e6eac75fcc5N.exe
    "C:\Users\Admin\AppData\Local\Temp\bf768bd2edeac7924b20acb49e960c82d7b34f17720fdf2ad8658e6eac75fcc5N.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2292
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\udkgtol.exe "C:\Users\Admin\AppData\Local\Temp\bf768bd2edeac7924b20acb49e960c82d7b34f17720fdf2ad8658e6eac75fcc5N.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:5012
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 2
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:4736
      • C:\Users\Admin\AppData\Local\Temp\udkgtol.exe
        C:\Users\Admin\AppData\Local\Temp\\udkgtol.exe "C:\Users\Admin\AppData\Local\Temp\bf768bd2edeac7924b20acb49e960c82d7b34f17720fdf2ad8658e6eac75fcc5N.exe"
        3⤵
        • Deletes itself
        • Executes dropped EXE
        • Drops file in Program Files directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4236
        • \??\c:\Program Files\xtdjzyq\uqobf.exe
          "c:\Program Files\xtdjzyq\uqobf.exe" "c:\Program Files\xtdjzyq\uqobf.dll",Viewer C:\Users\Admin\AppData\Local\Temp\udkgtol.exe
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Adds Run key to start application
          • Enumerates connected drives
          • Writes to the Master Boot Record (MBR)
          • System Location Discovery: System Language Discovery
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:116

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Program Files\xtdjzyq\uqobf.exe

          Filesize

          60KB

          MD5

          889b99c52a60dd49227c5e485a016679

          SHA1

          8fa889e456aa646a4d0a4349977430ce5fa5e2d7

          SHA256

          6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

          SHA512

          08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

        • C:\Users\Admin\AppData\Local\Temp\udkgtol.exe

          Filesize

          398KB

          MD5

          347857f4e1f3ee306a772a327955b802

          SHA1

          34e75d14dd0368cb61d6730fb7a93162e7917aa0

          SHA256

          53d9a067078bca060b9243e05674335a0b691a8cbb19eb5189d4ee127af8cc1b

          SHA512

          e5e345e0eeb3f47f4d9a5fdf9312c63d4525a47518c595fd9e7022350909e6b8991e2ea89bfbd48394f5a2b4759f038156f4f9f4d058400407ea547f16289764

        • \??\c:\Program Files\xtdjzyq\uqobf.dll

          Filesize

          89KB

          MD5

          5f670912dccf46825bf3e55e1c3a78b2

          SHA1

          6a1354305bfec4c2ba85b17609b8943e5718a997

          SHA256

          8ef54d6a38abf0d52ea067b09c116938fbfd840468431f7506898497ecab581c

          SHA512

          856803f586b2498d3095997f949f6c91b1add6c53d17bce8e4a75df6a7b98327b4276bc1809763f371c64b485742da02557f8f3a5b88ad9728d46c1a4fa28d7c

        • memory/116-11-0x0000000010000000-0x0000000010033000-memory.dmp

          Filesize

          204KB

        • memory/116-12-0x0000000010000000-0x0000000010033000-memory.dmp

          Filesize

          204KB

        • memory/116-14-0x0000000010000000-0x0000000010033000-memory.dmp

          Filesize

          204KB

        • memory/116-16-0x0000000010000000-0x0000000010033000-memory.dmp

          Filesize

          204KB