Analysis

  • max time kernel
    149s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230831-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230831-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/09/2023, 05:40

General

  • Target

    4b396f3b3d76cd75e64a47eb652ab93d6239a197fd9b32c66619d6a8ffbdc2da.exe

  • Size

    26KB

  • MD5

    fdd504678a404fbffc560cd95a4363ff

  • SHA1

    0e8a87142acaeadfe96f00ea117c05758b0514cc

  • SHA256

    4b396f3b3d76cd75e64a47eb652ab93d6239a197fd9b32c66619d6a8ffbdc2da

  • SHA512

    c6e5b506c5988072cbee535f18c89fec46fad599adff83a13ecb819bc157391a527eb5336c9c03392174a6ab345b699602fe9ecb0139a2a10a053f557ccc769f

  • SSDEEP

    768:1Hcp1ODKAaDMG8H92RwZNQSwcfymNBg+g61GoL:YfgLdQAQfcfymN

Score
6/10

Malware Config

Signatures

  • 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 1 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4b396f3b3d76cd75e64a47eb652ab93d6239a197fd9b32c66619d6a8ffbdc2da.exe
    "C:\Users\Admin\AppData\Local\Temp\4b396f3b3d76cd75e64a47eb652ab93d6239a197fd9b32c66619d6a8ffbdc2da.exe"
    1⤵
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2196
    • C:\Windows\SysWOW64\net.exe
      net stop "Kingsoft AntiVirus Service"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4192
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
        3⤵
          PID:2288
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
        PID:3156

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

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

        Filesize

        251KB

        MD5

        b343af0eeb9afdb9455510c0f05e9372

        SHA1

        ef8cfb66c0aef6fda0451379f1cb64b3d694b28a

        SHA256

        93b73324dbcba7eac8188bb80575b1314a07bea677595e32d51fb524a025c40d

        SHA512

        db4c12269e011a44f6b95e5bc4a90bf863519712ea61de3c8f5f3e617305e1491817e2a8f9b35beb05548956086fa960d32afa583763bf8194bc213730641da5

      • C:\Program Files\Google\Chrome\Application\chrome.exe

        Filesize

        2.8MB

        MD5

        8c5ee5609a2369add68abcab1ef7a4fa

        SHA1

        a038a38927411574bbdde5a64188ffa9d702ac1c

        SHA256

        d336f4588ad33a82f388eb747d1bf8dea45912ddf4a45214ad78d234198c8bb9

        SHA512

        4cb6041918d31cdcfb098207660b63108b97184b37e1ba05bd03e687a86527fd895245a903289a5cb20b49e89210292eb19ce580e67d8a6c4dc8a8b6c94b61fa

      • F:\$RECYCLE.BIN\S-1-5-21-2415528079-3794552930-4264847036-1000\_desktop.ini

        Filesize

        8B

        MD5

        621383aab05ec88688f5cce893e26550

        SHA1

        03967cdd69bd47cd2ccede557778546ef7c015eb

        SHA256

        0992c9b2d0872dece2ee570393745ccb6fbeadc2ded371a1f5406447aa872360

        SHA512

        085e0e3da3ad9ebb7b05ad58803f979ad4873337f91e4e0f209756ecf02b5050e33c3ad4a38212308e8beaf1f81625003f28bdc52d41cb2853e8f5a7eeb7a18b

      • memory/2196-24-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2196-18-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2196-22-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2196-0-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2196-27-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2196-13-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2196-59-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2196-1264-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2196-3479-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2196-5-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2196-4806-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB