Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/11/2024, 06:36

General

  • Target
    6dd91787bd47c257c9a81c54e677aa039b28d68c61a6c03c07559d647f28671b.exe
  • Size 66KB
  • Sample241109-hc223synfy
  • SHA256 6dd91787bd47c257c9a81c54e677aa039b28d68c61a6c03c07559d647f28671b
  • 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 29 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3436
      • C:\Users\Admin\AppData\Local\Temp\6dd91787bd47c257c9a81c54e677aa039b28d68c61a6c03c07559d647f28671b.exe
        "C:\Users\Admin\AppData\Local\Temp\6dd91787bd47c257c9a81c54e677aa039b28d68c61a6c03c07559d647f28671b.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:3004
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2344
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:3584
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a9163.bat
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1876
          • C:\Users\Admin\AppData\Local\Temp\6dd91787bd47c257c9a81c54e677aa039b28d68c61a6c03c07559d647f28671b.exe
            "C:\Users\Admin\AppData\Local\Temp\6dd91787bd47c257c9a81c54e677aa039b28d68c61a6c03c07559d647f28671b.exe"
            4⤵
            • Executes dropped EXE
            PID:1700
        • 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:1108
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:1484
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:2264
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:3380
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:2844

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          7z.exe

          • Path C:\Program Files\7-Zip\7z.exe
          • Size 577KB
          • SHA256 d3b719c109b1544ec69d65729698f5c011541a9c33fd7f200751fb2a5e21c102
          • 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 644KB
          • SHA256 0669173c40d97e844b6f4d54d6adb07436977db52e41e5f5bc947b79d7520f58
          • MD5 SHA1 SHA512 SSDEEP

          $$a9163.bat

          • Path C:\Users\Admin\AppData\Local\Temp\$$a9163.bat
          • Size 722B
          • SHA256 c70cc1ac0966c61ea3f99a9c87a054dcc606d198a6452e561b92fddd72b09ea3
          • MD5 SHA1 SHA512

          6dd91787bd47c257c9a81c54e677aa039b28d68c61a6c03c07559d647f28671b.exe.exe

          • Path C:\Users\Admin\AppData\Local\Temp\6dd91787bd47c257c9a81c54e677aa039b28d68c61a6c03c07559d647f28671b.exe.exe
          • Size 33KB
          • SHA256 e2bbf624927463534b2757974ef38f453faee9564736e4672e1481273f6cfc48
          • MD5 SHA1 SHA512 SSDEEP

          Logo1_.exe

          • Path C:\Windows\Logo1_.exe
          • Size 33KB
          • SHA256 296b5f7d593bdfcb4931c4b9961a0bd1d97c436c1c6b0a00596b25061a53df6d
          • 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-1-5-21-1045960512-3948844814-3059691613-1000\_desktop.ini
          • Size 9B
          • SHA256 e22c9759bcf5bc35063c6c048e109883f070723446b9ed5d16e70c48ca526bb9
          • MD5 SHA1 SHA512

          memory/1108-9-0x0000000000400000-0x000000000043E000-memory.dmp

          memory/1108-20-0x0000000000400000-0x000000000043E000-memory.dmp

          memory/1108-3416-0x0000000000400000-0x000000000043E000-memory.dmp

          memory/1108-8866-0x0000000000400000-0x000000000043E000-memory.dmp

          memory/3004-0-0x0000000000400000-0x000000000043E000-memory.dmp

          memory/3004-12-0x0000000000400000-0x000000000043E000-memory.dmp