Analysis

  • max time kernel
    8s
  • max time network
    9s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-09-2023 10:18

General

  • Target

    Sample_5d283d656ea1e5165f2c7b8c.exe

  • Size

    205KB

  • MD5

    881db1945686533f06f6626da444a7b5

  • SHA1

    776fff17a531a374d13a9e267db764e3463a4cfc

  • SHA256

    c85fec6ed44bdfd54c5f37190ffad38919640064ce718045e228dca65f74ec7b

  • SHA512

    639d684ab5a15a23355577d0c0e6cab29fe66596af5c5644a4fb258c3f65324c94f4c5fc4f76c7b7ac2ff0f15ffc69e98c279f59e8897e3db4e3ffaee2e96af6

  • SSDEEP

    3072:30imLeE+6Kiei4VrJo6lxPJUVjIMaNhUv:LE+6Kt53oExlNh

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
      PID:2748
    • C:\Windows\system32\DllHost.exe
      C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
      1⤵
        PID:3484
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
        1⤵
          PID:3304
        • C:\Windows\system32\taskhostw.exe
          taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
          1⤵
            PID:2952
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2812
            • C:\Users\Admin\AppData\Local\Temp\Sample_5d283d656ea1e5165f2c7b8c.exe
              "C:\Users\Admin\AppData\Local\Temp\Sample_5d283d656ea1e5165f2c7b8c.exe"
              1⤵
              • Checks computer location settings
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of WriteProcessMemory
              PID:4764
              • C:\Windows\System32\net.exe
                "C:\Windows\System32\net.exe" stop "audioendpointbuilder" /y
                2⤵
                • Suspicious use of WriteProcessMemory
                PID:2348
                • C:\Windows\system32\net1.exe
                  C:\Windows\system32\net1 stop "audioendpointbuilder" /y
                  3⤵
                    PID:2620
                • C:\Windows\System32\net.exe
                  "C:\Windows\System32\net.exe" stop "samss" /y
                  2⤵
                  • Suspicious use of WriteProcessMemory
                  PID:336
                  • C:\Windows\system32\net1.exe
                    C:\Windows\system32\net1 stop "samss" /y
                    3⤵
                      PID:1652

                Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

                • memory/2748-0-0x00007FF7B1410000-0x00007FF7B16EA000-memory.dmp

                  Filesize

                  2.9MB

                • memory/2748-1-0x00007FF7B1410000-0x00007FF7B16EA000-memory.dmp

                  Filesize

                  2.9MB