Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    07-03-2022 22:19

General

  • Target

    f714e0b0362ddc0ff1fccc388f5011824439b433a8dca38e305a3da1f354a85a.exe

  • Size

    364KB

  • MD5

    b3891a07e539a8e51fffae792aea861e

  • SHA1

    18a849e869017c98ec260e4ccf809f51b38a79da

  • SHA256

    f714e0b0362ddc0ff1fccc388f5011824439b433a8dca38e305a3da1f354a85a

  • SHA512

    c549290e32936cc9f0ee5bf35f602d4dbb15aad2eccda6a140e715f69ac63bd92d5e8d27ad32e97de66685300bdfdfa2d65a4134a2e6a75b91f34e98b16b30bf

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • UPX packed file 5 IoCs

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

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 6 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f714e0b0362ddc0ff1fccc388f5011824439b433a8dca38e305a3da1f354a85a.exe
    "C:\Users\Admin\AppData\Local\Temp\f714e0b0362ddc0ff1fccc388f5011824439b433a8dca38e305a3da1f354a85a.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:532
    • C:\Users\Admin\AppData\Local\Temp\f714e0b0362ddc0ff1fccc388f5011824439b433a8dca38e305a3da1f354a85a.exe
      /scomma "C:\Users\Admin\AppData\Local\Temp\IubKJulcMD.ini"
      2⤵
        PID:384
      • C:\Users\Admin\AppData\Local\Temp\1.exe
        C:\Users\Admin\AppData\Local\Temp\1.exe
        2⤵
        • Executes dropped EXE
        • Checks computer location settings
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2644
        • C:\Users\Admin\AppData\Local\Temp\gfdgfd.Exe
          "C:\Users\Admin\AppData\Local\Temp\gfdgfd.Exe"
          3⤵
          • Executes dropped EXE
          • Drops file in Program Files directory
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:4824
          • C:\Users\Admin\AppData\Roaming\{0664ECA6-B456-E195-1216-E87E3554727E}\dll.exe
            C:\Users\Admin\AppData\Roaming\{0664ECA6-B456-E195-1216-E87E3554727E}\dll.exe
            4⤵
            • Executes dropped EXE
            • Adds Run key to start application
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of SetWindowsHookEx
            PID:4624
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c C:\x.bat
            4⤵
              PID:444

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

      • memory/384-132-0x0000000000400000-0x0000000000454000-memory.dmp

        Filesize

        336KB

      • memory/384-134-0x0000000000400000-0x0000000000454000-memory.dmp

        Filesize

        336KB

      • memory/384-135-0x0000000000400000-0x0000000000454000-memory.dmp

        Filesize

        336KB