Analysis

  • max time kernel
    151s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/10/2023, 22:02

General

  • Target
    5d10c66c29637b3d2f8c2b7cd501a9d0df1f34ed0d018fe6496c82907573939c.exe
  • Size 130KB
  • Sample231012-1x4eraee68
  • SHA256 5d10c66c29637b3d2f8c2b7cd501a9d0df1f34ed0d018fe6496c82907573939c
  • MD5 SHA1 SHA512 SSDEEP
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:912
      • C:\Users\Admin\AppData\Local\Temp\5d10c66c29637b3d2f8c2b7cd501a9d0df1f34ed0d018fe6496c82907573939c.exe
        "C:\Users\Admin\AppData\Local\Temp\5d10c66c29637b3d2f8c2b7cd501a9d0df1f34ed0d018fe6496c82907573939c.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:3480
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a7DEA.bat
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3380
          • C:\Users\Admin\AppData\Local\Temp\5d10c66c29637b3d2f8c2b7cd501a9d0df1f34ed0d018fe6496c82907573939c.exe
            "C:\Users\Admin\AppData\Local\Temp\5d10c66c29637b3d2f8c2b7cd501a9d0df1f34ed0d018fe6496c82907573939c.exe"
            4⤵
            • Executes dropped EXE
            PID:4812
        • 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:4556
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:1552
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:4568

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            7z.exe

            • Path C:\Program Files\7-Zip\7z.exe
            • Size 484KB
            • SHA256 0766548a137e452788407d9ab5e59ae2498fee5648b1e74c4380a31cd1884ad3
            • MD5 SHA1 SHA512 SSDEEP

            $$a7DEA.bat

            • Path C:\Users\Admin\AppData\Local\Temp\$$a7DEA.bat
            • Size 722B
            • SHA256 54425c4ab823f31beeabc8d74fbaf96f1a0fd7513ec0930c9dcade74d98f800a
            • MD5 SHA1 SHA512

            5d10c66c29637b3d2f8c2b7cd501a9d0df1f34ed0d018fe6496c82907573939c.exe

            • Path C:\Users\Admin\AppData\Local\Temp\5d10c66c29637b3d2f8c2b7cd501a9d0df1f34ed0d018fe6496c82907573939c.exe
            • Size 104KB
            • SHA256 edd575cb557452eb1643bc486ad253c14a4f4412045537bdbcd06e41c380b84c
            • MD5 SHA1 SHA512 SSDEEP

            5d10c66c29637b3d2f8c2b7cd501a9d0df1f34ed0d018fe6496c82907573939c.exe.exe

            • Path C:\Users\Admin\AppData\Local\Temp\5d10c66c29637b3d2f8c2b7cd501a9d0df1f34ed0d018fe6496c82907573939c.exe.exe
            • Size 104KB
            • SHA256 edd575cb557452eb1643bc486ad253c14a4f4412045537bdbcd06e41c380b84c
            • MD5 SHA1 SHA512 SSDEEP

            Logo1_.exe

            • Path C:\Windows\Logo1_.exe
            • Size 26KB
            • SHA256 2c7a5ab62040587b3d59d81bb480811c32b146920acbe558374898ef005ce2c7
            • MD5 SHA1 SHA512 SSDEEP

            Logo1_.exe

            • Path C:\Windows\Logo1_.exe
            • Size 26KB
            • SHA256 2c7a5ab62040587b3d59d81bb480811c32b146920acbe558374898ef005ce2c7
            • MD5 SHA1 SHA512 SSDEEP

            rundl132.exe

            • Path C:\Windows\rundl132.exe
            • Size 26KB
            • SHA256 2c7a5ab62040587b3d59d81bb480811c32b146920acbe558374898ef005ce2c7
            • MD5 SHA1 SHA512 SSDEEP

            _desktop.ini

            • Path C:\_desktop.ini
            • Size 9B
            • SHA256 a0049e98811438481e150df54f7b555026746c943cb03106677bf75b4e412104
            • MD5 SHA1 SHA512

            memory/3480-0-0x0000000000400000-0x0000000000434000-memory.dmp

            memory/3480-9-0x0000000000400000-0x0000000000434000-memory.dmp

            memory/4556-22-0x0000000000400000-0x0000000000434000-memory.dmp

            memory/4556-19-0x0000000000400000-0x0000000000434000-memory.dmp

            memory/4556-27-0x0000000000400000-0x0000000000434000-memory.dmp

            memory/4556-33-0x0000000000400000-0x0000000000434000-memory.dmp

            memory/4556-38-0x0000000000400000-0x0000000000434000-memory.dmp

            memory/4556-42-0x0000000000400000-0x0000000000434000-memory.dmp

            memory/4556-8-0x0000000000400000-0x0000000000434000-memory.dmp

            memory/4556-910-0x0000000000400000-0x0000000000434000-memory.dmp

            memory/4556-1117-0x0000000000400000-0x0000000000434000-memory.dmp

            memory/4556-1280-0x0000000000400000-0x0000000000434000-memory.dmp