Resubmissions

09-08-2022 00:04

220809-acl2vsaaep 7

06-08-2022 07:05

220806-hwhsjsecg7 7

Analysis

  • max time kernel
    77s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220721-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-08-2022 07:05

General

  • Target

    8efdbfe8c5cb0cacaca53e190caca052.exe

  • Size

    223KB

  • MD5

    8efdbfe8c5cb0cacaca53e190caca052

  • SHA1

    74961a5b6cdc720b39ba613da403fe6ffd44c2ec

  • SHA256

    8d687ad5eaee819a0288bf65c8139a35679339c404ac589494caecd69beef0ec

  • SHA512

    fb39103cc20b3ef7e461152ac5cfcedf91c39d3e7f8132496cb836560d95a347c353e8050e1fbcad190a691fc8e5a4f1fa6ba7f626c869ccb9864725bdb1bb88

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 22 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8efdbfe8c5cb0cacaca53e190caca052.exe
    "C:\Users\Admin\AppData\Local\Temp\8efdbfe8c5cb0cacaca53e190caca052.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3804
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMQA0AA==
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4296
    • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe
      C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe
      2⤵
        PID:4468
      • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe
        C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe
        2⤵
          PID:1328
        • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe
          C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe
          2⤵
            PID:2116
          • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe
            C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe
            2⤵
              PID:1348
            • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe
              C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe
              2⤵
                PID:3340
              • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe
                C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe
                2⤵
                  PID:4612
                • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe
                  C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe
                  2⤵
                    PID:1652
                  • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe
                    C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe
                    2⤵
                      PID:3484
                    • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe
                      C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe
                      2⤵
                        PID:1880
                      • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe
                        C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe
                        2⤵
                          PID:1276

                      Network

                      MITRE ATT&CK Enterprise v6

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      • memory/3804-130-0x0000025FDC1F0000-0x0000025FDC22C000-memory.dmp

                        Filesize

                        240KB

                      • memory/3804-131-0x00007FFBFABE0000-0x00007FFBFB6A1000-memory.dmp

                        Filesize

                        10.8MB

                      • memory/3804-132-0x0000025FDC5B0000-0x0000025FDC5D2000-memory.dmp

                        Filesize

                        136KB

                      • memory/3804-135-0x00007FFBFABE0000-0x00007FFBFB6A1000-memory.dmp

                        Filesize

                        10.8MB

                      • memory/3804-138-0x00007FFBFABE0000-0x00007FFBFB6A1000-memory.dmp

                        Filesize

                        10.8MB

                      • memory/4296-133-0x0000000000000000-mapping.dmp

                      • memory/4296-134-0x00007FFBFABE0000-0x00007FFBFB6A1000-memory.dmp

                        Filesize

                        10.8MB

                      • memory/4296-136-0x00007FFBFABE0000-0x00007FFBFB6A1000-memory.dmp

                        Filesize

                        10.8MB

                      • memory/4296-137-0x00007FFBFABE0000-0x00007FFBFB6A1000-memory.dmp

                        Filesize

                        10.8MB