Analysis

  • max time kernel
    37s
  • max time network
    70s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-10-2023 20:06

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:\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:32
    • C:\Windows\System32\net.exe
      "C:\Windows\System32\net.exe" stop "audioendpointbuilder" /y
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4972
      • C:\Windows\system32\net1.exe
        C:\Windows\system32\net1 stop "audioendpointbuilder" /y
        3⤵
          PID:3056
      • C:\Windows\System32\net.exe
        "C:\Windows\System32\net.exe" stop "samss" /y
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4824
        • C:\Windows\system32\net1.exe
          C:\Windows\system32\net1 stop "samss" /y
          3⤵
            PID:4448
      • C:\Windows\system32\DllHost.exe
        C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
        1⤵
          PID:3488
        • C:\Windows\system32\svchost.exe
          C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
          1⤵
            PID:3260
          • C:\Windows\system32\taskhostw.exe
            taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
            1⤵
              PID:2524
            • C:\Windows\system32\svchost.exe
              C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
              1⤵
                PID:2316
              • C:\Windows\system32\sihost.exe
                sihost.exe
                1⤵
                  PID:2296

                Network

                MITRE ATT&CK Matrix ATT&CK v13

                Discovery

                Query Registry

                1
                T1012

                System Information Discovery

                2
                T1082

                Replay Monitor

                Loading Replay Monitor...

                Downloads

                • memory/2296-0-0x00007FF6200D0000-0x00007FF6203AA000-memory.dmp
                  Filesize

                  2.9MB

                • memory/2296-1-0x00007FF6200D0000-0x00007FF6203AA000-memory.dmp
                  Filesize

                  2.9MB