Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/02/2024, 09:39

General

  • Target
    a30d02353f12750de0cef614b676478c2a25bd7463f5af704d1e2cee43c7b6b5.exe
  • Size 250KB
  • Sample240218-lmn5ragh84
  • SHA256 a30d02353f12750de0cef614b676478c2a25bd7463f5af704d1e2cee43c7b6b5
  • 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:3304
      • C:\Users\Admin\AppData\Local\Temp\a30d02353f12750de0cef614b676478c2a25bd7463f5af704d1e2cee43c7b6b5.exe
        "C:\Users\Admin\AppData\Local\Temp\a30d02353f12750de0cef614b676478c2a25bd7463f5af704d1e2cee43c7b6b5.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:4248
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a68FB.bat
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2876
          • C:\Users\Admin\AppData\Local\Temp\a30d02353f12750de0cef614b676478c2a25bd7463f5af704d1e2cee43c7b6b5.exe
            "C:\Users\Admin\AppData\Local\Temp\a30d02353f12750de0cef614b676478c2a25bd7463f5af704d1e2cee43c7b6b5.exe"
            4⤵
            • Executes dropped EXE
            PID:4608
        • 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:3284
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:392
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:452

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            GoogleUpdateCore.exe

            • Path C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe
            • Size 251KB
            • SHA256 6c8a8a5c788ca6330693c0be9a11a630a7cccfab9a1c2d8270ed9624eb9b4cd3
            • MD5 SHA1 SHA512 SSDEEP

            7z.exe

            • Path C:\Program Files\7-Zip\7z.exe
            • Size 570KB
            • SHA256 77f6c0cb76f2b4999887d240e97d813a4f481098f52f597cd9188c31e86cdb07
            • MD5 SHA1 SHA512 SSDEEP

            $$a68FB.bat

            • Path C:\Users\Admin\AppData\Local\Temp\$$a68FB.bat
            • Size 722B
            • SHA256 c5520d383bd239a4d99a0d7e2c5bdc01b83336a9bc41f1a627d169f840784197
            • MD5 SHA1 SHA512

            a30d02353f12750de0cef614b676478c2a25bd7463f5af704d1e2cee43c7b6b5.exe.exe

            • Path C:\Users\Admin\AppData\Local\Temp\a30d02353f12750de0cef614b676478c2a25bd7463f5af704d1e2cee43c7b6b5.exe.exe
            • Size 224KB
            • SHA256 52f7c5e40477df6ca3e7a82eab1ae2cc570f7891daeb124649970a1e508d61f0
            • MD5 SHA1 SHA512 SSDEEP

            Logo1_.exe

            • Path C:\Windows\Logo1_.exe
            • Size 26KB
            • SHA256 6a54a916b9c41f2aae07186bd293005cd3af983bd85039d4a03b13acca905ccb
            • MD5 SHA1 SHA512 SSDEEP

            _desktop.ini

            • Path F:\$RECYCLE.BIN\S-1-5-21-983843758-932321429-1636175382-1000\_desktop.ini
            • Size 9B
            • SHA256 60748c106f2d8f06a3c713e00fab9fc8fd7bd9938dc4f8ee91317dcaaf1bc881
            • MD5 SHA1 SHA512

            memory/3284-33-0x0000000000400000-0x0000000000434000-memory.dmp

            memory/3284-19-0x0000000000400000-0x0000000000434000-memory.dmp

            memory/3284-26-0x0000000000400000-0x0000000000434000-memory.dmp

            memory/3284-37-0x0000000000400000-0x0000000000434000-memory.dmp

            memory/3284-41-0x0000000000400000-0x0000000000434000-memory.dmp

            memory/3284-9-0x0000000000400000-0x0000000000434000-memory.dmp

            memory/3284-377-0x0000000000400000-0x0000000000434000-memory.dmp

            memory/3284-1165-0x0000000000400000-0x0000000000434000-memory.dmp

            memory/3284-4716-0x0000000000400000-0x0000000000434000-memory.dmp

            memory/4248-12-0x0000000000400000-0x0000000000434000-memory.dmp

            memory/4248-0-0x0000000000400000-0x0000000000434000-memory.dmp