Analysis

  • max time kernel
    149s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/10/2023, 10:59

General

  • Target
    885c8ff2334ee2e74f9e8b43befade6db30d158be20a6165e94ac0226e8a86cb.exe
  • Size 26KB
  • Sample231006-m3glaaag4v
  • SHA256 885c8ff2334ee2e74f9e8b43befade6db30d158be20a6165e94ac0226e8a86cb
  • MD5 SHA1 SHA512 SSDEEP
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:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3148
      • C:\Users\Admin\AppData\Local\Temp\885c8ff2334ee2e74f9e8b43befade6db30d158be20a6165e94ac0226e8a86cb.exe
        "C:\Users\Admin\AppData\Local\Temp\885c8ff2334ee2e74f9e8b43befade6db30d158be20a6165e94ac0226e8a86cb.exe"
        2⤵
        • Enumerates connected drives
        • Drops file in Program Files directory
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:540
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:5112
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:4568

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            GoogleUpdateCore.exe

            • Path C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe
            • Size 251KB
            • SHA256 34fd0cf1239c2ab134407ee9699b23811ac58b87afeee39224130a15059bf095
            • MD5 SHA1 SHA512 SSDEEP

            chrome.exe

            • Path C:\Program Files\Google\Chrome\Application\chrome.exe
            • Size 2.8MB
            • SHA256 5495625be98face99022c3d549f6287337f2d293a2fbbdbe4c38e78b0b4928e5
            • MD5 SHA1 SHA512 SSDEEP

            _desktop.ini

            • Path F:\$RECYCLE.BIN\S-1-5-21-2890696111-2332180956-3312704074-1000\_desktop.ini
            • Size 9B
            • SHA256 769c2805df29c09bbc9c0b66f571976c3cc1ca8c948c5d778e1d44c4cd531aa2
            • MD5 SHA1 SHA512

            memory/540-27-0x0000000000400000-0x0000000000434000-memory.dmp

            memory/540-19-0x0000000000400000-0x0000000000434000-memory.dmp

            memory/540-23-0x0000000000400000-0x0000000000434000-memory.dmp

            memory/540-0-0x0000000000400000-0x0000000000434000-memory.dmp

            memory/540-13-0x0000000000400000-0x0000000000434000-memory.dmp

            memory/540-93-0x0000000000400000-0x0000000000434000-memory.dmp

            memory/540-1264-0x0000000000400000-0x0000000000434000-memory.dmp

            memory/540-3799-0x0000000000400000-0x0000000000434000-memory.dmp

            memory/540-5-0x0000000000400000-0x0000000000434000-memory.dmp

            memory/540-4806-0x0000000000400000-0x0000000000434000-memory.dmp