Analysis

  • max time kernel
    149s
  • max time network
    140s
  • 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, 10:55

General

  • Target
    620921940784319337e54a4ae49d9cc6e761f5a9c57edd031fc2ad610c3e931c.exe
  • Size 717KB
  • Sample241108-m1h2bstlen
  • SHA256 620921940784319337e54a4ae49d9cc6e761f5a9c57edd031fc2ad610c3e931c
  • 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:3424
      • C:\Users\Admin\AppData\Local\Temp\620921940784319337e54a4ae49d9cc6e761f5a9c57edd031fc2ad610c3e931c.exe
        "C:\Users\Admin\AppData\Local\Temp\620921940784319337e54a4ae49d9cc6e761f5a9c57edd031fc2ad610c3e931c.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:2876
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3064
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:4560
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$aBD93.bat
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3220
          • C:\Users\Admin\AppData\Local\Temp\620921940784319337e54a4ae49d9cc6e761f5a9c57edd031fc2ad610c3e931c.exe
            "C:\Users\Admin\AppData\Local\Temp\620921940784319337e54a4ae49d9cc6e761f5a9c57edd031fc2ad610c3e931c.exe"
            4⤵
            • Executes dropped EXE
            PID:4472
        • 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:2616
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:3096
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:2436
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2868
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:4596

    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

          7z.exe

          • Path C:\Program Files\7-Zip\7z.exe
          • Size 577KB
          • SHA256 d559b99e49b1536f79070887562b74105b592030b8cfd52e02d2d10cf3686123
          • 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

          $$aBD93.bat

          • Path C:\Users\Admin\AppData\Local\Temp\$$aBD93.bat
          • Size 722B
          • SHA256 d858a60a3dc4d39b79a2f7b0e6be8ec9197d8dd38db39cdf3c6b8dfa45c9e82b
          • MD5 SHA1 SHA512

          620921940784319337e54a4ae49d9cc6e761f5a9c57edd031fc2ad610c3e931c.exe.exe

          • Path C:\Users\Admin\AppData\Local\Temp\620921940784319337e54a4ae49d9cc6e761f5a9c57edd031fc2ad610c3e931c.exe.exe
          • Size 684KB
          • SHA256 b9b179b305c5268ad428b6ae59de10b4fe99cf0199bbc89b7017181905e97305
          • 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-1-5-21-3442511616-637977696-3186306149-1000\_desktop.ini
          • Size 9B
          • SHA256 70e7188042cdd89d0c810f2efbce72a86afd08d50aaa4b527f96a802a1e139b9
          • MD5 SHA1 SHA512

          memory/2616-20-0x0000000000400000-0x000000000043E000-memory.dmp

          memory/2616-3428-0x0000000000400000-0x000000000043E000-memory.dmp

          memory/2616-9-0x0000000000400000-0x000000000043E000-memory.dmp

          memory/2616-8903-0x0000000000400000-0x000000000043E000-memory.dmp

          memory/2876-0-0x0000000000400000-0x000000000043E000-memory.dmp

          memory/2876-12-0x0000000000400000-0x000000000043E000-memory.dmp