Analysis

  • max time kernel
    178s
  • max time network
    194s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/11/2022, 12:59

General

  • Target

    1d60df9f97706f33b92fa34b286c02bec9389ff2ef73646c1f95b1cfdac8f3e6.exe

  • Size

    219KB

  • MD5

    cab70856277990b79638926e2c7baf0e

  • SHA1

    0954b55b2635ccfb40615797e21f22b0994d9ae1

  • SHA256

    1d60df9f97706f33b92fa34b286c02bec9389ff2ef73646c1f95b1cfdac8f3e6

  • SHA512

    d328106673405f113d25b1efaa33eea1d48f40b55ea9acb44967ab8f0b6de18a849fb98e5cec5e2ed92fceef4765e146978bd099aed7ed7688a76ff80776601b

  • SSDEEP

    6144:uGEk09b0kj83qSF//KfucgfDZjb04I03cFd:Od83pZ/G7gf904pO

Score
8/10

Malware Config

Signatures

  • Sets file execution options in registry 2 TTPs 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Checks for any installed AV software in registry 1 TTPs 2 IoCs
  • Drops desktop.ini file(s) 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 4 IoCs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Modifies registry class 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1d60df9f97706f33b92fa34b286c02bec9389ff2ef73646c1f95b1cfdac8f3e6.exe
    "C:\Users\Admin\AppData\Local\Temp\1d60df9f97706f33b92fa34b286c02bec9389ff2ef73646c1f95b1cfdac8f3e6.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2560
    • C:\Users\Admin\AppData\Local\Temp\1d60df9f97706f33b92fa34b286c02bec9389ff2ef73646c1f95b1cfdac8f3e6.exe
      "C:\Users\Admin\AppData\Local\Temp\1d60df9f97706f33b92fa34b286c02bec9389ff2ef73646c1f95b1cfdac8f3e6.exe"
      2⤵
        PID:1932
      • C:\Users\Admin\AppData\Local\Temp\1d60df9f97706f33b92fa34b286c02bec9389ff2ef73646c1f95b1cfdac8f3e6.exe
        "C:\Users\Admin\AppData\Local\Temp\1d60df9f97706f33b92fa34b286c02bec9389ff2ef73646c1f95b1cfdac8f3e6.exe"
        2⤵
          PID:4268
        • C:\Users\Admin\AppData\Local\Temp\1d60df9f97706f33b92fa34b286c02bec9389ff2ef73646c1f95b1cfdac8f3e6.exe
          "C:\Users\Admin\AppData\Local\Temp\1d60df9f97706f33b92fa34b286c02bec9389ff2ef73646c1f95b1cfdac8f3e6.exe"
          2⤵
          • Sets file execution options in registry
          • Checks computer location settings
          • Checks for any installed AV software in registry
          • Drops desktop.ini file(s)
          • Checks processor information in registry
          • Modifies registry class
          • Suspicious behavior: MapViewOfSection
          • Suspicious behavior: RenamesItself
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2732
          • C:\Windows\SysWOW64\schtasks.exe
            "C:\Windows\System32\schtasks.exe" /CREATE /SC ONLOGON /TN "Windows Update Check - 0x6E4B08B2" /TR "C:\ProgramData\randomfolder\muvrbbecn.exe" /RL HIGHEST
            3⤵
            • Creates scheduled task(s)
            PID:4152
          • C:\Windows\SysWOW64\WerFault.exe
            "C:\Windows\SysWOW64\WerFault.exe"
            3⤵
              PID:4924

        Network

              MITRE ATT&CK Enterprise v6

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              • memory/2560-141-0x0000000074D20000-0x00000000752D1000-memory.dmp

                Filesize

                5.7MB

              • memory/2560-133-0x0000000074D20000-0x00000000752D1000-memory.dmp

                Filesize

                5.7MB

              • memory/2560-132-0x0000000074D20000-0x00000000752D1000-memory.dmp

                Filesize

                5.7MB

              • memory/2732-142-0x00000000011D0000-0x000000000121B000-memory.dmp

                Filesize

                300KB

              • memory/2732-148-0x00000000011D0000-0x000000000121B000-memory.dmp

                Filesize

                300KB

              • memory/2732-139-0x0000000000400000-0x0000000000426000-memory.dmp

                Filesize

                152KB

              • memory/2732-137-0x0000000000400000-0x0000000000426000-memory.dmp

                Filesize

                152KB

              • memory/2732-143-0x0000000002DF0000-0x0000000002DFB000-memory.dmp

                Filesize

                44KB

              • memory/2732-144-0x0000000000400000-0x0000000000426000-memory.dmp

                Filesize

                152KB

              • memory/2732-145-0x00000000011D0000-0x000000000121B000-memory.dmp

                Filesize

                300KB

              • memory/4924-149-0x0000000000480000-0x00000000004FB000-memory.dmp

                Filesize

                492KB

              • memory/4924-150-0x0000000000570000-0x00000000005F5000-memory.dmp

                Filesize

                532KB

              • memory/4924-151-0x0000000000570000-0x00000000005F5000-memory.dmp

                Filesize

                532KB