Analysis

  • max time kernel
    166s
  • max time network
    187s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/12/2022, 17:25

General

  • Target
    5673b49b2aea57b5ffce4fd4eb3e5311.exe
  • Size 455KB
  • Sample221202-vzbvmagh29
  • SHA256 0c8296da5ca468087ecaeac3bb9b4475f075ae0ba654c9cc05a017f96d974d98
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 2 IoCs
  • Sets service image path in registry 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Windows security modification 2 TTPs 3 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5673b49b2aea57b5ffce4fd4eb3e5311.exe
    "C:\Users\Admin\AppData\Local\Temp\5673b49b2aea57b5ffce4fd4eb3e5311.exe"
    1⤵
    • UAC bypass
    • Windows security bypass
    • Sets service image path in registry
    • Checks computer location settings
    • Windows security modification
    • Checks whether UAC is enabled
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: LoadsDriver
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:2936
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\5673b49b2aea57b5ffce4fd4eb3e5311.exe" -Force
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4904
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe"
      2⤵
        PID:2624
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe"
        2⤵
          PID:3204
        • C:\Windows\System32\cmd.exe
          "C:\Windows\System32\cmd.exe"
          2⤵
            PID:2952
          • C:\Windows\System32\cmd.exe
            "C:\Windows\System32\cmd.exe"
            2⤵
              PID:3800
            • C:\Windows\System32\cmd.exe
              "C:\Windows\System32\cmd.exe"
              2⤵
                PID:2324

            Network

                  MITRE ATT&CK Enterprise v6

                  Replay Monitor

                  Loading Replay Monitor...

                  Downloads

                  memory/2936-132-0x00000240E7130000-0x00000240E71A6000-memory.dmp

                  memory/2936-133-0x00007FFA44B90000-0x00007FFA45651000-memory.dmp

                  memory/2936-138-0x00007FFA44B90000-0x00007FFA45651000-memory.dmp

                  memory/4904-135-0x00007FFA44B90000-0x00007FFA45651000-memory.dmp

                  memory/4904-136-0x00000293A7500000-0x00000293A7522000-memory.dmp

                  memory/4904-137-0x00007FFA44B90000-0x00007FFA45651000-memory.dmp