Analysis

  • max time kernel
    150s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-06-2024 19:25

General

  • Target

    be9db367e1444751d6246db1eda8b6ce5008d11d9a2200d096a2b9fe3cff80c1.exe

  • Size

    3.3MB

  • MD5

    2b80cc4925eaebd7cb3a1132ea7be088

  • SHA1

    aa4bdf17a70359c1070842d60460fb9c04cb9849

  • SHA256

    be9db367e1444751d6246db1eda8b6ce5008d11d9a2200d096a2b9fe3cff80c1

  • SHA512

    95b6e348d5f77fa4027d1d971b96a5a05f0f11f7e30d9248d167099cf2973b2a6aec0f39e794399836cdd816748a4774802eaf27258370ef7daf8090b7500d80

  • SSDEEP

    98304:QX+OnvyuIWiWz50twHM2EEFYHx5gNmutfdS:QX+i1IRcdEESssue

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 3 IoCs
  • Enumerates connected drives 3 TTPs 21 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:2316
      • C:\Users\Admin\AppData\Local\Temp\be9db367e1444751d6246db1eda8b6ce5008d11d9a2200d096a2b9fe3cff80c1.exe
        "C:\Users\Admin\AppData\Local\Temp\be9db367e1444751d6246db1eda8b6ce5008d11d9a2200d096a2b9fe3cff80c1.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:1100
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a42D5.bat
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2064
          • C:\Users\Admin\AppData\Local\Temp\be9db367e1444751d6246db1eda8b6ce5008d11d9a2200d096a2b9fe3cff80c1.exe
            "C:\Users\Admin\AppData\Local\Temp\be9db367e1444751d6246db1eda8b6ce5008d11d9a2200d096a2b9fe3cff80c1.exe"
            4⤵
            • Checks computer location settings
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:2740
            • C:\Users\Admin\AppData\Local\Temp\360hb_tmp\3.0.10.0\360huabaosetup.exe
              "C:\Users\Admin\AppData\Local\Temp\360hb_tmp\3.0.10.0\360huabaosetup.exe" --user /exename:be9db367e1444751d6246db1eda8b6ce5008d11d9a2200d096a2b9fe3cff80c1.exe
              5⤵
              • Executes dropped EXE
              • Writes to the Master Boot Record (MBR)
              PID:5064
        • C:\Windows\Logo1_.exe
          C:\Windows\Logo1_.exe
          3⤵
          • Executes dropped EXE
          • Enumerates connected drives
          • Drops file in Program Files directory
          • Drops file in Windows directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:3348
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:4064
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:2660

      Network

      MITRE ATT&CK Matrix ATT&CK v13

      Persistence

      Pre-OS Boot

      1
      T1542

      Bootkit

      1
      T1542.003

      Defense Evasion

      Pre-OS Boot

      1
      T1542

      Bootkit

      1
      T1542.003

      Discovery

      Query Registry

      2
      T1012

      System Information Discovery

      3
      T1082

      Peripheral Device Discovery

      1
      T1120

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe
        Filesize

        251KB

        MD5

        d7b36bcccef62ac305e49753cbc017ba

        SHA1

        d53e4a562284d0bdc20184bb7d747659b541b884

        SHA256

        ce000420ca282db03c8c61cc6f1cf934f4f197006f0bd35466e23f69b4e1d047

        SHA512

        c1cb9b1101f178b1bcd35aa86ad206ce11f41f70acda244b275b22f86622f583eba6eb54e3656c024259ddc6baae87e6fd47b493c6cee859aa2b5c3be5a502ea

      • C:\Program Files\7-Zip\7z.exe
        Filesize

        570KB

        MD5

        ea7efdd63aea7d58b37b9e10219d4b09

        SHA1

        1d1900925202ea7320beffccca1323c0ee6c9ee1

        SHA256

        a024583d0a8e67ef264969d47271d53a0425c55c1846277e548d3209597491a7

        SHA512

        e61ef74a2888ac133150c0ef8ca8972257a27ee5a2604ae744acabb8df6752d40acc4d1ed4fd4ea67be39e2c58c087978aaa14b9ca239d78276c5987bea6dd3e

      • C:\ProgramData\Package Cache\{63880b41-04fc-4f9b-92c4-4455c255eb8c}\windowsdesktop-runtime-8.0.2-win-x64.exe
        Filesize

        636KB

        MD5

        2500f702e2b9632127c14e4eaae5d424

        SHA1

        8726fef12958265214eeb58001c995629834b13a

        SHA256

        82e5b0001f025ca3b8409c98e4fb06c119c68de1e4ef60a156360cb4ef61d19c

        SHA512

        f420c62fa1f6897f51dd7a0f0e910fb54ad14d51973a2d4840eeea0448c860bf83493fb1c07be65f731efc39e19f8a99886c8cfd058cee482fe52d255a33a55c

      • C:\Users\Admin\AppData\Local\Temp\$$a42D5.bat
        Filesize

        722B

        MD5

        2c47309ea978ef8540d8f867329b631a

        SHA1

        319a6c1695767a7b8ca9ededcdc828316312577b

        SHA256

        fed41698ec6e7f95c155931f39b904af3ccb5cebba3d7d10fbf20f3706f9fc2f

        SHA512

        5552deeb3d38bbaacc3d2e4410d42ae90a5de70e8df7a88852761e2bf2617aed4c2d170bd51e62af04feb0a555f837f01ce8a003738ede1218e6e678a2d3a225

      • C:\Users\Admin\AppData\Local\Temp\360hb_tmp\3.0.10.0\360huabaosetup.exe
        Filesize

        2.3MB

        MD5

        c7524e765c77e36b2a935f990578d3a7

        SHA1

        c7b4a04953166d0fed8aa6f34199e8551cec5eb5

        SHA256

        7994265911f918435f58f40edf4576f61fd6fadd3bb35913a55567c8b94ad704

        SHA512

        ef53d27bc5ab8ccb818b29fa7986a9d6dba2d4bf9cca7c6b9b2e8d39798032ac907432cb555f106aa4e43d594dbb8ec91dec6cca3d7d8bdcedac5539558062c7

      • C:\Users\Admin\AppData\Local\Temp\be9db367e1444751d6246db1eda8b6ce5008d11d9a2200d096a2b9fe3cff80c1.exe.exe
        Filesize

        3.2MB

        MD5

        d01efed5bafe637dccb745c10d38432b

        SHA1

        cc1ea124caac205d46a00451b9d443382f4a6668

        SHA256

        d4af02aa7a1990986cbaf378cea2e13a280a652e34aa198dff287c0d5e9dc6b5

        SHA512

        898a880cd43509a60aa463200f717d6f90f91164dec2698740889be8f3a3e2702a102ae0b202d8c516a7c64c4d2d427e350dcca95082a9f9474e304e28257fc4

      • C:\Windows\Logo1_.exe
        Filesize

        26KB

        MD5

        5447ba4d55a8623e8f9fb7002d9abf4a

        SHA1

        5fa8892f2aab33101e9a1b44c0f6c93bd1382eeb

        SHA256

        9af3df2d3fcda5ab774308add79d773b449989eb0d2ff7a799d1e05123ea183b

        SHA512

        dd047a27ce8d399734eed5ca6b9fe71ae28ef1dbe1bc0bbca4a8873755e30cb55858b3b382a77107a5b470adc1242faa301a20c0be24e1acc1d0a9c30067e185

      • F:\$RECYCLE.BIN\S-1-5-21-2447855248-390457009-3660902674-1000\_desktop.ini
        Filesize

        9B

        MD5

        4b66be111b497cdd28c15afccbbd2620

        SHA1

        43ffb36014883f201e76464ded7ec69f2973d43b

        SHA256

        483e991549f8cb58e18e7a79a14cf6065e121f897e73b6f4edff227432a733dc

        SHA512

        32fddfbca04f67fdb0e865862e6f29b06cd079ddba416d801ceedcba8ed88b8dda77663fc8bd5bdd0224f722cd337c9d58edfc2e97e4fab73fa56f6f6198bb21

      • memory/1100-0-0x0000000000400000-0x0000000000434000-memory.dmp
        Filesize

        208KB

      • memory/1100-10-0x0000000000400000-0x0000000000434000-memory.dmp
        Filesize

        208KB

      • memory/3348-48-0x0000000000400000-0x0000000000434000-memory.dmp
        Filesize

        208KB

      • memory/3348-52-0x0000000000400000-0x0000000000434000-memory.dmp
        Filesize

        208KB

      • memory/3348-42-0x0000000000400000-0x0000000000434000-memory.dmp
        Filesize

        208KB

      • memory/3348-676-0x0000000000400000-0x0000000000434000-memory.dmp
        Filesize

        208KB

      • memory/3348-1247-0x0000000000400000-0x0000000000434000-memory.dmp
        Filesize

        208KB

      • memory/3348-1379-0x0000000000400000-0x0000000000434000-memory.dmp
        Filesize

        208KB

      • memory/3348-35-0x0000000000400000-0x0000000000434000-memory.dmp
        Filesize

        208KB

      • memory/3348-4802-0x0000000000400000-0x0000000000434000-memory.dmp
        Filesize

        208KB

      • memory/3348-11-0x0000000000400000-0x0000000000434000-memory.dmp
        Filesize

        208KB

      • memory/3348-5241-0x0000000000400000-0x0000000000434000-memory.dmp
        Filesize

        208KB