Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/10/2024, 21:10

General

  • Target

    5c10fd6a9b5c3325208bfcd0efeeb191322b01c3800b0e1bc7fab84c080bd289.exe

  • Size

    158KB

  • MD5

    254e5f62d8441ef2a4688265d41afbe3

  • SHA1

    041bece2d799928084c54d64c2719e4122a205c3

  • SHA256

    5c10fd6a9b5c3325208bfcd0efeeb191322b01c3800b0e1bc7fab84c080bd289

  • SHA512

    37f311520f2f5b892ae4816c05dd3c920d79cb41f7c880c7d2cd8d0e1aa33fc2d38acc9edb11236aa75f0ab098bd063c158dbcb49b2c596b1775729e1a05f353

  • SSDEEP

    3072:oONY+aHR7T65f4n/lAA8G6Drz3ihAvVg7MIEYVQYe6:oOq+8S4/lAJj33Vg7rGYe

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.

  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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\5c10fd6a9b5c3325208bfcd0efeeb191322b01c3800b0e1bc7fab84c080bd289.exe
    "C:\Users\Admin\AppData\Local\Temp\5c10fd6a9b5c3325208bfcd0efeeb191322b01c3800b0e1bc7fab84c080bd289.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3224
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\kauqoo.exe "C:\Users\Admin\AppData\Local\Temp\5c10fd6a9b5c3325208bfcd0efeeb191322b01c3800b0e1bc7fab84c080bd289.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:1112
      • 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:3924
      • C:\Users\Admin\AppData\Local\Temp\kauqoo.exe
        C:\Users\Admin\AppData\Local\Temp\\kauqoo.exe "C:\Users\Admin\AppData\Local\Temp\5c10fd6a9b5c3325208bfcd0efeeb191322b01c3800b0e1bc7fab84c080bd289.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:3684
        • \??\c:\Program Files\hoeuepof\ecqg.exe
          "c:\Program Files\hoeuepof\ecqg.exe" "c:\Program Files\hoeuepof\ecqgi.dll",Group C:\Users\Admin\AppData\Local\Temp\kauqoo.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:4028

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Program Files\hoeuepof\ecqg.exe

          Filesize

          60KB

          MD5

          889b99c52a60dd49227c5e485a016679

          SHA1

          8fa889e456aa646a4d0a4349977430ce5fa5e2d7

          SHA256

          6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

          SHA512

          08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

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

          Filesize

          158KB

          MD5

          7e721491e40c6c6a083af52822b4296a

          SHA1

          df10dc31412270ebad22b607549965beceadf754

          SHA256

          0d86b323fd90e68fb4cd37e065cd77644739ca48c14267d9dc50d157b08ea0aa

          SHA512

          c8ef499d7ee18d6cc15710e72f1fa9d0c8951d7ddb698183365f8aabaef5e0aab75a298def3b9d118eadcab96ceb45ebf8f24a61359cfc6e6cdde518ddfd17e3

        • \??\c:\Program Files\hoeuepof\ecqgi.dll

          Filesize

          97KB

          MD5

          5fbb36b729b3850567ab4aefc0dda3b1

          SHA1

          b843afdf59a68ab152d7dfb4a81cee52e9c704d6

          SHA256

          6e9758a1950dbe8689a058300a87ffcb8ec804e9c7cb969efdd20530354c9552

          SHA512

          31cb459e42c527f9f49a24d1522dcb5b983107ebd92310c0db41af1c1bb44900c71f0dec82f0042d80df4ac7d743388f25f2a581a0ac190c01368491e4604335

        • memory/3224-1-0x0000000000400000-0x000000000043D011-memory.dmp

          Filesize

          244KB

        • memory/3684-9-0x0000000000400000-0x000000000043D011-memory.dmp

          Filesize

          244KB

        • memory/4028-13-0x0000000010000000-0x0000000010038000-memory.dmp

          Filesize

          224KB

        • memory/4028-14-0x0000000010000000-0x0000000010038000-memory.dmp

          Filesize

          224KB

        • memory/4028-17-0x0000000010000000-0x0000000010038000-memory.dmp

          Filesize

          224KB