Analysis

  • max time kernel
    149s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/11/2024, 10:44

General

  • Target
    718b16a746cc2284c8fb173a005928319dbaa4945f08f4f1ce75da1442f3fcd4.exe
  • Size 398KB
  • Sample241108-mtbnns1dmn
  • SHA256 718b16a746cc2284c8fb173a005928319dbaa4945f08f4f1ce75da1442f3fcd4
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Drops file in Drivers directory 2 IoCs
  • Drops startup file 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • 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
  • System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3532
      • C:\Users\Admin\AppData\Local\Temp\718b16a746cc2284c8fb173a005928319dbaa4945f08f4f1ce75da1442f3fcd4.exe
        "C:\Users\Admin\AppData\Local\Temp\718b16a746cc2284c8fb173a005928319dbaa4945f08f4f1ce75da1442f3fcd4.exe"
        2⤵
        • Drops file in Drivers directory
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1296
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:4176
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:552
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$aC3FC.bat
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3964
          • C:\Users\Admin\AppData\Local\Temp\718b16a746cc2284c8fb173a005928319dbaa4945f08f4f1ce75da1442f3fcd4.exe
            "C:\Users\Admin\AppData\Local\Temp\718b16a746cc2284c8fb173a005928319dbaa4945f08f4f1ce75da1442f3fcd4.exe"
            4⤵
            • Executes dropped EXE
            PID:1856
        • C:\Windows\Logo1_.exe
          C:\Windows\Logo1_.exe
          3⤵
          • Drops file in Drivers directory
          • Drops startup file
          • Executes dropped EXE
          • Enumerates connected drives
          • Drops file in Program Files directory
          • Drops file in Windows directory
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:680
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:1936
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:4464
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2236
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:3392

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          GoogleUpdateCore.exe

          • Path C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateCore.exe
          • Size 251KB
          • SHA256 312aacd186d667385d29069f550a87ee8b913b15d9db8e0c09b598e7016f1164
          • MD5 SHA1 SHA512 SSDEEP

          ShowReceive.exe

          • Path C:\Program Files\ShowReceive.exe
          • Size 950KB
          • SHA256 aa2f6d400a313c59600b991bc6ec5babe586c23d0212903d810e9eb754d1626d
          • MD5 SHA1 SHA512 SSDEEP

          windowsdesktop-runtime-8.0.2-win-x64.exe

          • Path C:\ProgramData\Package Cache\{63880b41-04fc-4f9b-92c4-4455c255eb8c}\windowsdesktop-runtime-8.0.2-win-x64.exe
          • Size 643KB
          • SHA256 538fb15bde83e854625335dcfbf98ad8ca7f58e327ea8ca45467f319ad197d52
          • MD5 SHA1 SHA512 SSDEEP

          $$aC3FC.bat

          • Path C:\Users\Admin\AppData\Local\Temp\$$aC3FC.bat
          • Size 722B
          • SHA256 e8250292e12b9c897586f6323d3ab89d48204dde63c1d9c53e641afe1d8dad79
          • MD5 SHA1 SHA512

          718b16a746cc2284c8fb173a005928319dbaa4945f08f4f1ce75da1442f3fcd4.exe.exe

          • Path C:\Users\Admin\AppData\Local\Temp\718b16a746cc2284c8fb173a005928319dbaa4945f08f4f1ce75da1442f3fcd4.exe.exe
          • Size 364KB
          • SHA256 b309045509efc205eb35d6037d64640093fde6c54ec5934e329b447417005a50
          • MD5 SHA1 SHA512 SSDEEP

          Logo1_.exe

          • Path C:\Windows\Logo1_.exe
          • Size 33KB
          • SHA256 cd8fd660f0756f41ee0c16078f6b3d1a5467c6b17d4901e2fa7c8b78e00d394f
          • MD5 SHA1 SHA512 SSDEEP

          hosts

          • Path C:\Windows\system32\drivers\etc\hosts
          • Size 842B
          • SHA256 d9704dab05e988be3e5e7b7c020bb9814906d11bb9c31ad80d4ed1316f6bc94e
          • MD5 SHA1 SHA512

          _desktop.ini

          • Path F:\$RECYCLE.BIN\S-1-5-21-2045521122-590294423-3465680274-1000\_desktop.ini
          • Size 9B
          • SHA256 70e7188042cdd89d0c810f2efbce72a86afd08d50aaa4b527f96a802a1e139b9
          • MD5 SHA1 SHA512

          memory/680-19-0x0000000000400000-0x000000000043E000-memory.dmp

          memory/680-2506-0x0000000000400000-0x000000000043E000-memory.dmp

          memory/680-9-0x0000000000400000-0x000000000043E000-memory.dmp

          memory/680-8856-0x0000000000400000-0x000000000043E000-memory.dmp

          memory/1296-0-0x0000000000400000-0x000000000043E000-memory.dmp

          memory/1296-10-0x0000000000400000-0x000000000043E000-memory.dmp