Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/05/2024, 22:20

General

  • Target
    0535de336a56f1c650d95e840da551a9b4e08c4a844e36eacd5faa30b51f5d3a.exe
  • Size 70KB
  • Sample240516-19acfabc99
  • SHA256 0535de336a56f1c650d95e840da551a9b4e08c4a844e36eacd5faa30b51f5d3a
  • 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 16 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3420
      • C:\Users\Admin\AppData\Local\Temp\0535de336a56f1c650d95e840da551a9b4e08c4a844e36eacd5faa30b51f5d3a.exe
        "C:\Users\Admin\AppData\Local\Temp\0535de336a56f1c650d95e840da551a9b4e08c4a844e36eacd5faa30b51f5d3a.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:4580
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a4CC8.bat
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3380
          • C:\Users\Admin\AppData\Local\Temp\0535de336a56f1c650d95e840da551a9b4e08c4a844e36eacd5faa30b51f5d3a.exe
            "C:\Users\Admin\AppData\Local\Temp\0535de336a56f1c650d95e840da551a9b4e08c4a844e36eacd5faa30b51f5d3a.exe"
            4⤵
            • Executes dropped EXE
            PID:1672
        • 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:3040
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:3840
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:2088

      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 254KB
            • SHA256 1a9800ef19a0e719342a70465145b0a12816db2b8b32116429619a9019067bd9
            • MD5 SHA1 SHA512 SSDEEP

            7z.exe

            • Path C:\Program Files\7-Zip\7z.exe
            • Size 573KB
            • SHA256 85114418346f8ba7f530dc43b02d4e74637f3071174df9c7404013051d501d54
            • 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 639KB
            • SHA256 a3752dc6d1984857f3fa949c4ce20b2847d009f865216f4c7e31d3f01183938c
            • MD5 SHA1 SHA512 SSDEEP

            $$a4CC8.bat

            • Path C:\Users\Admin\AppData\Local\Temp\$$a4CC8.bat
            • Size 722B
            • SHA256 c5737b475c561ebf2c88da3f901a3a4d95e174a20baaa2222c10aa4bb3a8f336
            • MD5 SHA1 SHA512

            0535de336a56f1c650d95e840da551a9b4e08c4a844e36eacd5faa30b51f5d3a.exe.exe

            • Path C:\Users\Admin\AppData\Local\Temp\0535de336a56f1c650d95e840da551a9b4e08c4a844e36eacd5faa30b51f5d3a.exe.exe
            • Size 41KB
            • SHA256 cd24c61fe7dc3896c6c928c92a2adc58fab0a3ff61ef7ddcac1ba794182ab12f
            • MD5 SHA1 SHA512 SSDEEP

            Logo1_.exe

            • Path C:\Windows\Logo1_.exe
            • Size 29KB
            • SHA256 af33160256ea22b90581f34e1b5a55a81a8d54cab79d723baa332f501c2af352
            • MD5 SHA1 SHA512 SSDEEP

            _desktop.ini

            • Path F:\$RECYCLE.BIN\S-1-5-21-1337824034-2731376981-3755436523-1000\_desktop.ini
            • Size 9B
            • SHA256 45605309f8a26f9e34e70105dc559ece3beb6a94191dac7a283006ee1b28cdd4
            • MD5 SHA1 SHA512

            memory/3040-27-0x0000000000400000-0x0000000000436000-memory.dmp

            memory/3040-33-0x0000000000400000-0x0000000000436000-memory.dmp

            memory/3040-37-0x0000000000400000-0x0000000000436000-memory.dmp

            memory/3040-20-0x0000000000400000-0x0000000000436000-memory.dmp

            memory/3040-1143-0x0000000000400000-0x0000000000436000-memory.dmp

            memory/3040-1232-0x0000000000400000-0x0000000000436000-memory.dmp

            memory/3040-13-0x0000000000400000-0x0000000000436000-memory.dmp

            memory/3040-4797-0x0000000000400000-0x0000000000436000-memory.dmp

            memory/3040-5236-0x0000000000400000-0x0000000000436000-memory.dmp

            memory/4580-0-0x0000000000400000-0x0000000000436000-memory.dmp

            memory/4580-9-0x0000000000400000-0x0000000000436000-memory.dmp