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Analysis

  • max time kernel
    149s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    19/07/2024, 10:11

General

  • Target

    8caaeabc3a2d01441e75dc6fb393b816e83c6b728851002ef504e635657a99c2.exe

  • Size

    50KB

  • MD5

    e149e6834b50e0c9322ea0ec2c15170b

  • SHA1

    59a264cf50f452ae61c487b3f96292e3a9c9dad8

  • SHA256

    8caaeabc3a2d01441e75dc6fb393b816e83c6b728851002ef504e635657a99c2

  • SHA512

    2212cc5f5b8d701ca756cc7af2d5531728ed24a724f259d1a8488300eae118e2a9bc14b7239e182fa4c400a6ab71c2639565fbdcf698a36a6319931bf236c162

  • SSDEEP

    768:Q1ODKAaDMG8H92RwZNQSwcfymNBg+g61GoLSkB2ZAUmgxH:CfgLdQAQfcfymNeK6

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 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 10 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1256
      • C:\Users\Admin\AppData\Local\Temp\8caaeabc3a2d01441e75dc6fb393b816e83c6b728851002ef504e635657a99c2.exe
        "C:\Users\Admin\AppData\Local\Temp\8caaeabc3a2d01441e75dc6fb393b816e83c6b728851002ef504e635657a99c2.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:2416
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\$$aFA85.bat
          3⤵
          • Deletes itself
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:2812
          • C:\Users\Admin\AppData\Local\Temp\8caaeabc3a2d01441e75dc6fb393b816e83c6b728851002ef504e635657a99c2.exe
            "C:\Users\Admin\AppData\Local\Temp\8caaeabc3a2d01441e75dc6fb393b816e83c6b728851002ef504e635657a99c2.exe"
            4⤵
            • Executes dropped EXE
            PID:2648
        • 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:3060
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:2732
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:2788

      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

        d887926a58cf404c1b043c6826782ee9

        SHA1

        15c9b705d45aaf1ce0dc6b4f87bb16f7b31df100

        SHA256

        fcd5641e425f1d0ff439bd0c31924c2ecf25e9a9abfa6a0607b249d43c4cf041

        SHA512

        be4078f410e3c51d51cf959d69e1abf3b705adce7ec4baf5a40eb4366872ea0d9cc08bda8d64af903a62de3fb015e66c840e040b80459e2017fd574aaada3a33

      • C:\ProgramData\Package Cache\{ca67548a-5ebe-413a-b50c-4b9ceb6d66c6}\vcredist_x64.exe

        Filesize

        471KB

        MD5

        4cfdb20b04aa239d6f9e83084d5d0a77

        SHA1

        f22863e04cc1fd4435f785993ede165bd8245ac6

        SHA256

        30ed17ca6ae530e8bf002bcef6048f94dba4b3b10252308147031f5c86ace1b9

        SHA512

        35b4c2f68a7caa45f2bb14b168947e06831f358e191478a6659b49f30ca6f538dc910fe6067448d5d8af4cb8558825d70f94d4bd67709aee414b2be37d49be86

      • C:\Users\Admin\AppData\Local\Temp\$$aFA85.bat

        Filesize

        722B

        MD5

        06197b84b8970d84280f6a07af646222

        SHA1

        c9ac97a80d4bba578f55a9f99e089b579355167b

        SHA256

        37beab6ffd728f5a5d9002261609d6b967762b09f8a4881acba38bf7a7a4ba5d

        SHA512

        45201d40b62f2f05d8138054f5383812588cc8b2bad1c584c00fdbbb40d938fd6ff797683a700324fc2095e8be3dfa6783a5e7a05cafe6b6df1ccb57ca91f5e5

      • C:\Users\Admin\AppData\Local\Temp\8caaeabc3a2d01441e75dc6fb393b816e83c6b728851002ef504e635657a99c2.exe.exe

        Filesize

        24KB

        MD5

        19e1e266dc889c4f87641cb07b589391

        SHA1

        893d64e4189eec187a9446ff955abed1144b1113

        SHA256

        c7de50d5674a0259625734daa4fc989de54641e78dead4bebb2cd3926a20d01b

        SHA512

        bb7d0ad6b44441bdbbc0c06d78f46ab506b585ebcedee439ec7ab0c6d5d742c0707ccb48fcc4cec0cd3c4f8d9346b6d9008f646049f2a96864365217c5b2a68f

      • C:\Windows\Logo1_.exe

        Filesize

        26KB

        MD5

        f85d04d350635e9f0363b173e23fc424

        SHA1

        27dc999478aebda72d6398c8516d898f03cfd74d

        SHA256

        c248aa3b61539f878316cc48a7afc8501ddc6a99cd334bbe13695d65adca677c

        SHA512

        4515a8f805bec76dad2da2ee1c4d8ae3c0393c50298f434aa4f960bc470bd4437d99df36bfd611e90348970a3570c2cac4f1aa1a473d4d335f01bbecc8b741a9

      • F:\$RECYCLE.BIN\S-1-5-21-2212144002-1172735686-1556890956-1000\_desktop.ini

        Filesize

        9B

        MD5

        1368e4d784ef82633de86fa6bc6e37f9

        SHA1

        77c7384e886b27647bb4f2fd364e7947e7b6abc6

        SHA256

        57507bed6cf91d70e66bd4cc287634889ef30b648cb7c44a4edec0e2cb68b772

        SHA512

        3cb7168e776eb564768e30eba43174014a85108ab306a7c07a1522fb42173c381a5bff9ac10944fd345dd5308061cbe2878c60d1e878f8768281c1adcf5dd85b

      • memory/1256-34-0x0000000002980000-0x0000000002981000-memory.dmp

        Filesize

        4KB

      • memory/2416-17-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2416-0-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2416-12-0x0000000000440000-0x0000000000474000-memory.dmp

        Filesize

        208KB

      • memory/2648-31-0x0000000074B20000-0x00000000750CB000-memory.dmp

        Filesize

        5.7MB

      • memory/2648-32-0x0000000074B20000-0x00000000750CB000-memory.dmp

        Filesize

        5.7MB

      • memory/2648-30-0x0000000074B21000-0x0000000074B22000-memory.dmp

        Filesize

        4KB

      • memory/2648-36-0x0000000074B20000-0x00000000750CB000-memory.dmp

        Filesize

        5.7MB

      • memory/3060-19-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/3060-50-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/3060-96-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/3060-103-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/3060-573-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/3060-1879-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/3060-44-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/3060-3339-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/3060-37-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB