Analysis

  • max time kernel
    151s
  • max time network
    53s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 00:26

General

  • Target

    aa9da46e959a34710e0e45dd6bedc9fc738beb505d542bb62d5ab8bb94faca27.exe

  • Size

    93KB

  • MD5

    50536965307b8656043d98f6677a1530

  • SHA1

    f90629e871cbf0242dec36f46bc2be5d55ada7be

  • SHA256

    aa9da46e959a34710e0e45dd6bedc9fc738beb505d542bb62d5ab8bb94faca27

  • SHA512

    7d797869c86f2df25213ea0f657d23e937212990005a8d5994c41583dd5e7dbbc5cdab6996ad6eda2aa524502acb9bba41def84b6893c2b41b77a060bfe61448

  • SSDEEP

    1536:77qnkAQtSaoGo5n4iLG0/WM6T4HSaYqey/XxAyN0Hrnj/5vG4CGKN:SCSjGoLpWM6CB/XxAyKH//EV

Malware Config

Signatures

  • Drops file in Drivers directory 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 22 IoCs

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

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 2 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 30 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1200
      • C:\Users\Admin\AppData\Local\Temp\aa9da46e959a34710e0e45dd6bedc9fc738beb505d542bb62d5ab8bb94faca27.exe
        "C:\Users\Admin\AppData\Local\Temp\aa9da46e959a34710e0e45dd6bedc9fc738beb505d542bb62d5ab8bb94faca27.exe"
        2⤵
        • Drops file in Drivers directory
        • Adds Run key to start application
        • Enumerates connected drives
        • Drops file in Program Files directory
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1460
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1532
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:812
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:1332
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              4⤵
                PID:660

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/660-57-0x0000000000000000-mapping.dmp

        • memory/812-55-0x0000000000000000-mapping.dmp

        • memory/1332-56-0x0000000000000000-mapping.dmp

        • memory/1532-54-0x0000000000000000-mapping.dmp