Analysis

  • max time kernel
    149s
  • max time network
    51s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/06/2024, 19:36

General

  • Target
    ea49a38ebac7b3fb7a8d2e1858b2c5e69eaad3862cb406dfa42fc927976a2f6c.exe
  • Size 66KB
  • Sample240613-ybhj2ssfpl
  • SHA256 ea49a38ebac7b3fb7a8d2e1858b2c5e69eaad3862cb406dfa42fc927976a2f6c
  • 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:3412
      • C:\Users\Admin\AppData\Local\Temp\ea49a38ebac7b3fb7a8d2e1858b2c5e69eaad3862cb406dfa42fc927976a2f6c.exe
        "C:\Users\Admin\AppData\Local\Temp\ea49a38ebac7b3fb7a8d2e1858b2c5e69eaad3862cb406dfa42fc927976a2f6c.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:4816
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a63CB.bat
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3420
          • C:\Users\Admin\AppData\Local\Temp\ea49a38ebac7b3fb7a8d2e1858b2c5e69eaad3862cb406dfa42fc927976a2f6c.exe
            "C:\Users\Admin\AppData\Local\Temp\ea49a38ebac7b3fb7a8d2e1858b2c5e69eaad3862cb406dfa42fc927976a2f6c.exe"
            4⤵
            • Executes dropped EXE
            PID:3516
        • 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:3260
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:3568
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:4808

      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 86cfebefaf5ede042543c8a48550b01fe7ef3b6b7812000c3888319ae9dc3d2f
            • MD5 SHA1 SHA512 SSDEEP

            7z.exe

            • Path C:\Program Files\7-Zip\7z.exe
            • Size 573KB
            • SHA256 ee272f52273d86c5612ac01738c5dbf9467aa805560258e77c1de59bc9bebfca
            • 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 63d148b4110e4050b82cacdb7be0a004eba84c33c971f56873998ec59ac354fc
            • MD5 SHA1 SHA512 SSDEEP

            $$a63CB.bat

            • Path C:\Users\Admin\AppData\Local\Temp\$$a63CB.bat
            • Size 722B
            • SHA256 fca9692600969620558db75d501de8084706be453ad1ff64cf46616c55039efd
            • MD5 SHA1 SHA512

            ea49a38ebac7b3fb7a8d2e1858b2c5e69eaad3862cb406dfa42fc927976a2f6c.exe.exe

            • Path C:\Users\Admin\AppData\Local\Temp\ea49a38ebac7b3fb7a8d2e1858b2c5e69eaad3862cb406dfa42fc927976a2f6c.exe.exe
            • Size 36KB
            • SHA256 8adf6748981c3e7b62f5dbca992be6675574fffbce7673743f2d7fe787d56a41
            • MD5 SHA1 SHA512 SSDEEP

            Logo1_.exe

            • Path C:\Windows\Logo1_.exe
            • Size 29KB
            • SHA256 73bb214769970609319af0d08f3d0938a9cad1d1fc864b23527c9474cca5b2f2
            • MD5 SHA1 SHA512 SSDEEP

            _desktop.ini

            • Path F:\$RECYCLE.BIN\S-1-5-21-4124900551-4068476067-3491212533-1000\_desktop.ini
            • Size 9B
            • SHA256 47a22297ce31d17b0f37251ce63cf2eb146700451caab6dd0aa710d2526c8e42
            • MD5 SHA1 SHA512

            memory/3260-27-0x0000000000400000-0x0000000000436000-memory.dmp

            memory/3260-33-0x0000000000400000-0x0000000000436000-memory.dmp

            memory/3260-37-0x0000000000400000-0x0000000000436000-memory.dmp

            memory/3260-20-0x0000000000400000-0x0000000000436000-memory.dmp

            memory/3260-1231-0x0000000000400000-0x0000000000436000-memory.dmp

            memory/3260-4797-0x0000000000400000-0x0000000000436000-memory.dmp

            memory/3260-13-0x0000000000400000-0x0000000000436000-memory.dmp

            memory/3260-5236-0x0000000000400000-0x0000000000436000-memory.dmp

            memory/4816-0-0x0000000000400000-0x0000000000436000-memory.dmp

            memory/4816-9-0x0000000000400000-0x0000000000436000-memory.dmp