Analysis

  • max time kernel
    149s
  • max time network
    103s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/06/2024, 10:32

General

  • Target
    ed4d3a005f6a7d963c3260aaa506384ade71e93a41f103b982495900e558fea7.exe
  • Size 547KB
  • Sample240603-mlareacf69
  • SHA256 ed4d3a005f6a7d963c3260aaa506384ade71e93a41f103b982495900e558fea7
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 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 6 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3488
      • C:\Users\Admin\AppData\Local\Temp\ed4d3a005f6a7d963c3260aaa506384ade71e93a41f103b982495900e558fea7.exe
        "C:\Users\Admin\AppData\Local\Temp\ed4d3a005f6a7d963c3260aaa506384ade71e93a41f103b982495900e558fea7.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:3240
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a47A8.bat
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:232
          • C:\Users\Admin\AppData\Local\Temp\ed4d3a005f6a7d963c3260aaa506384ade71e93a41f103b982495900e558fea7.exe
            "C:\Users\Admin\AppData\Local\Temp\ed4d3a005f6a7d963c3260aaa506384ade71e93a41f103b982495900e558fea7.exe"
            4⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:3076
            • \??\c:\d1ad717a57bc1c00dd3e\update\update.exe
              c:\d1ad717a57bc1c00dd3e\update\update.exe
              5⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Drops file in Windows directory
              • Suspicious use of AdjustPrivilegeToken
              PID:2416
        • 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:4496
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:3992
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:2576

      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 252KB
            • SHA256 548d006a501826f362a576842cee94d5c94812dbd5e17f709cf3fd071a8ff837
            • MD5 SHA1 SHA512 SSDEEP

            7z.exe

            • Path C:\Program Files\7-Zip\7z.exe
            • Size 571KB
            • SHA256 30ae79670c9c587e32e6d478355a346c0cdfd09a3aa13d92a2f6be888db543e5
            • 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 637KB
            • SHA256 a22e6d0f5c7d44fefc2204e0f7c7b048e1684f6cf249ba98c006bbf791c22d19
            • MD5 SHA1 SHA512 SSDEEP

            $$a47A8.bat

            • Path C:\Users\Admin\AppData\Local\Temp\$$a47A8.bat
            • Size 722B
            • SHA256 c4f7532a887b1d89bdce4a482f09b6b39cfa409f9f3ee6f21880ea45f9e17bbb
            • MD5 SHA1 SHA512

            ed4d3a005f6a7d963c3260aaa506384ade71e93a41f103b982495900e558fea7.exe.exe

            • Path C:\Users\Admin\AppData\Local\Temp\ed4d3a005f6a7d963c3260aaa506384ade71e93a41f103b982495900e558fea7.exe.exe
            • Size 520KB
            • SHA256 2839777a034fc8e216e94161a6246230a02aed9772f8cedfc98be63b0701df80
            • MD5 SHA1 SHA512 SSDEEP

            Logo1_.exe

            • Path C:\Windows\Logo1_.exe
            • Size 27KB
            • SHA256 78361883ed10c93e33dd13e2b56b8dc43d854f387dd809dbd75875ae4db89cf0
            • MD5 SHA1 SHA512 SSDEEP

            _sfx_.dll

            • Path C:\d1ad717a57bc1c00dd3e\_sfx_.dll
            • Size 25KB
            • SHA256 cf64c95e9a2d02967efc22b00efb3736156b913a95231eb63c1df45d43475e64
            • MD5 SHA1 SHA512 SSDEEP

            update.exe

            • Path C:\d1ad717a57bc1c00dd3e\update\update.exe
            • Size 712KB
            • SHA256 bc2cde5db3027a726c81df78bdef10b5ec9a7b4a5ba297911c7b999638f76b33
            • MD5 SHA1 SHA512 SSDEEP

            updspapi.dll

            • Path C:\d1ad717a57bc1c00dd3e\update\updspapi.dll
            • Size 331KB
            • SHA256 44062d8525a1de307491a46376d1831e23c27c18edb3de8f142d83eb7a21fc52
            • MD5 SHA1 SHA512 SSDEEP

            _desktop.ini

            • Path F:\$RECYCLE.BIN\S-1-5-21-1337824034-2731376981-3755436523-1000\_desktop.ini
            • Size 8B
            • SHA256 d9d875805581110dafdfb2ceb34c5e60f50fe720963f9813c287e4845248d208
            • MD5 SHA1 SHA512

            memory/2416-61-0x0000000000550000-0x00000000005A4000-memory.dmp

            memory/3240-9-0x0000000000400000-0x0000000000435000-memory.dmp

            memory/3240-0-0x0000000000400000-0x0000000000435000-memory.dmp

            memory/4496-65-0x0000000000400000-0x0000000000435000-memory.dmp

            memory/4496-72-0x0000000000400000-0x0000000000435000-memory.dmp

            memory/4496-79-0x0000000000400000-0x0000000000435000-memory.dmp

            memory/4496-82-0x0000000000400000-0x0000000000435000-memory.dmp

            memory/4496-1276-0x0000000000400000-0x0000000000435000-memory.dmp

            memory/4496-4842-0x0000000000400000-0x0000000000435000-memory.dmp

            memory/4496-11-0x0000000000400000-0x0000000000435000-memory.dmp

            memory/4496-5281-0x0000000000400000-0x0000000000435000-memory.dmp