Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-05-2024 23:19

General

  • Target

    b70b485d235011f52419aad037cb2adaa8f4584206b07ea35137a11907b7c6ec.exe

  • Size

    227KB

  • MD5

    f38342e05385365051744d9ba2cc8d26

  • SHA1

    1eb90fe25389a3d386b110a4bd754ffc60a3fc02

  • SHA256

    b70b485d235011f52419aad037cb2adaa8f4584206b07ea35137a11907b7c6ec

  • SHA512

    c51395df4d81d3065ff8449de5cb901c538f1fd8790fd16f04aaefeb2b724b0c68027c79f07017926f932386d3b5611d6280e5f92d8472d77e6e10d719b9da96

  • SSDEEP

    6144:PCuJWdeKzC/leySe8AIqpoHbnDns1ND9m:W/VyV8hEoHbI3A

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Enumerates connected drives 3 TTPs 21 IoCs

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

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 4 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3480
      • C:\Users\Admin\AppData\Local\Temp\b70b485d235011f52419aad037cb2adaa8f4584206b07ea35137a11907b7c6ec.exe
        "C:\Users\Admin\AppData\Local\Temp\b70b485d235011f52419aad037cb2adaa8f4584206b07ea35137a11907b7c6ec.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:3264
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a45F2.bat
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1156
          • C:\Users\Admin\AppData\Local\Temp\b70b485d235011f52419aad037cb2adaa8f4584206b07ea35137a11907b7c6ec.exe
            "C:\Users\Admin\AppData\Local\Temp\b70b485d235011f52419aad037cb2adaa8f4584206b07ea35137a11907b7c6ec.exe"
            4⤵
            • Executes dropped EXE
            PID:3624
        • 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:2476
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:3300
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:5000

      Network

      MITRE ATT&CK Matrix ATT&CK v13

      Discovery

      Query Registry

      1
      T1012

      Peripheral Device Discovery

      1
      T1120

      System Information Discovery

      1
      T1082

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        254KB

        MD5

        3e470de1df977de1b6251d61cefd34c2

        SHA1

        c1919c8d46d9c95aab8c167b9ee4e6ac6c089a50

        SHA256

        cb52a481b391828464a9080ac8ed4a4daf3418176822165713179c0706a1ca27

        SHA512

        6e106f63747243353c7adaa2ee142ee9a260db0dc2b85e4e5c789969a777503c4508f7e7568213689d4cab4235aee0d81f54e4191997f04d1aaeb6577bc751ee

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

        573KB

        MD5

        faf14806357bd5b9378f45d6fd833af3

        SHA1

        49aeb39dd63f79f98fb63dfe881479bb444a34ca

        SHA256

        cc9f3fbe27bdea68de4db3d43fb5c88be4f3d7e7bd69b045cb64ecae88115e6d

        SHA512

        73c63c1d4d02e82ae931c6dc0a290a52707dbf3f1a52b8e896ccd0fe3dec3c6f7c56999eda2078dfdbd2d3375df93ee7cb9b8b1c08860ca45520c3edfb0d35b0

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

        639KB

        MD5

        c8d281da4c32df16eef470c27c8cb459

        SHA1

        00efc9f6844bfaa37c264b6452c6a7356638ab10

        SHA256

        058c81e5a07f2c6c33cf28dff71d07ad8f179046108d945159957e891bfd9c62

        SHA512

        e3c79e19f620068f668d4ebaa5097f1a95a30dabb8dce75f3787171dddbea9f684fc7ce8d1011a398f38084d7af96dd1ff9a02d25906aab9b13861b8363d24bb

      • C:\Users\Admin\AppData\Local\Temp\$$a45F2.bat
        Filesize

        722B

        MD5

        ed428fb7053c694686b7807a53a0a84d

        SHA1

        c9f732c3b5e1d456e5de7396045ed0f5ddce1d27

        SHA256

        3414d05833547d0dd23a827ffd840919d59a7f200c6c3f91d510ed9eb0645072

        SHA512

        ff0bb91dfb70065ecc3240ceaa2529fe23c62fda2ddab5249ab7a6e3742b67a6c4902c765f8a1d87efa06f05157f1e936f80073103b0caeaea0061efd7e2ae7b

      • C:\Users\Admin\AppData\Local\Temp\b70b485d235011f52419aad037cb2adaa8f4584206b07ea35137a11907b7c6ec.exe.exe
        Filesize

        198KB

        MD5

        e133c2d85cff4edd7fe8e8f0f8be6cdb

        SHA1

        b8269209ebb6fe44bc50dab35f97b0ae244701b4

        SHA256

        6c5e7d9c81a409e67c143cd3aed33bddc3967fa4c9ab3b98560b7d3bf57d093d

        SHA512

        701b7d1c7e154519d77043f7de09d60c1ff76c95f820fc1c9afca19724efb0847d646686053354156fd4e8a9dab1f29a79d3223f939a3ff1b3613770dc8603b1

      • C:\Windows\rundl132.exe
        Filesize

        29KB

        MD5

        1c30b55853002b4599e0e5fa853f1329

        SHA1

        4e1ba89200dd04c3d7042024850deadc89a24af0

        SHA256

        ac0b99689ea0e6b3d5d4892871dd80175ac8e020a4d86217f968a23a608b22d6

        SHA512

        f475cd99a54db95649ee9ee83badf6eafb2b073867d95cf4482c2c63062df3446fb2044b7c42c924bf13eb955132379af0a25f877353e151f9ef84b66b5dc3cd

      • F:\$RECYCLE.BIN\S-1-5-21-1337824034-2731376981-3755436523-1000\_desktop.ini
        Filesize

        9B

        MD5

        ef2876ec14bdb3dc085fc3af9311b015

        SHA1

        68b64b46b1ff0fdc9f009d8fffb8ee87c597fa56

        SHA256

        ac2a34b4f2d44d19ca4269caf9f4e71cdb0b95ba8eb89ed52c5bc56eeeb1971c

        SHA512

        c9998caa062ad5b1da853fabb80e88e41d9f96109af89df0309be20469ca8f5be9dd1c08f3c97030e3a487732e82304f60ee2627462e017579da4204bc163c8f

      • memory/2476-26-0x0000000000400000-0x0000000000436000-memory.dmp
        Filesize

        216KB

      • memory/2476-32-0x0000000000400000-0x0000000000436000-memory.dmp
        Filesize

        216KB

      • memory/2476-36-0x0000000000400000-0x0000000000436000-memory.dmp
        Filesize

        216KB

      • memory/2476-19-0x0000000000400000-0x0000000000436000-memory.dmp
        Filesize

        216KB

      • memory/2476-1075-0x0000000000400000-0x0000000000436000-memory.dmp
        Filesize

        216KB

      • memory/2476-1231-0x0000000000400000-0x0000000000436000-memory.dmp
        Filesize

        216KB

      • memory/2476-12-0x0000000000400000-0x0000000000436000-memory.dmp
        Filesize

        216KB

      • memory/2476-4796-0x0000000000400000-0x0000000000436000-memory.dmp
        Filesize

        216KB

      • memory/2476-5235-0x0000000000400000-0x0000000000436000-memory.dmp
        Filesize

        216KB

      • memory/3264-0-0x0000000000400000-0x0000000000436000-memory.dmp
        Filesize

        216KB

      • memory/3264-9-0x0000000000400000-0x0000000000436000-memory.dmp
        Filesize

        216KB