Analysis

  • max time kernel
    149s
  • max time network
    150s
  • 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, 00:39

General

  • Target
    3d82b0c03f3ef1b68fde585c64cc194932bb03976c24288606525b2e10625500.exe
  • Size 117KB
  • Sample240613-azvyaaxdnf
  • SHA256 3d82b0c03f3ef1b68fde585c64cc194932bb03976c24288606525b2e10625500
  • 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:3468
      • C:\Users\Admin\AppData\Local\Temp\3d82b0c03f3ef1b68fde585c64cc194932bb03976c24288606525b2e10625500.exe
        "C:\Users\Admin\AppData\Local\Temp\3d82b0c03f3ef1b68fde585c64cc194932bb03976c24288606525b2e10625500.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:4844
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a4381.bat
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:860
          • C:\Users\Admin\AppData\Local\Temp\3d82b0c03f3ef1b68fde585c64cc194932bb03976c24288606525b2e10625500.exe
            "C:\Users\Admin\AppData\Local\Temp\3d82b0c03f3ef1b68fde585c64cc194932bb03976c24288606525b2e10625500.exe"
            4⤵
            • Executes dropped EXE
            PID:1588
        • 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:2576
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:3540
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:3232

      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 8ac8c34aa80413ce34c13a3af91f4d250535e229f53981a1bae8347a60cdeed1
            • MD5 SHA1 SHA512 SSDEEP

            7z.exe

            • Path C:\Program Files\7-Zip\7z.exe
            • Size 573KB
            • SHA256 1fcc27138346662d19e10a70c931c7131b1dc2016499a22ec7aed293a825126a
            • 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 c013780783b3c6105da7ffd4b46452fadec0336c22a310fc20a3b67778855105
            • MD5 SHA1 SHA512 SSDEEP

            $$a4381.bat

            • Path C:\Users\Admin\AppData\Local\Temp\$$a4381.bat
            • Size 722B
            • SHA256 00cd3aa107e0a81dc605d6cec3ab01b983db1e074647852b9469d2fd9030ba7f
            • MD5 SHA1 SHA512

            3d82b0c03f3ef1b68fde585c64cc194932bb03976c24288606525b2e10625500.exe.exe

            • Path C:\Users\Admin\AppData\Local\Temp\3d82b0c03f3ef1b68fde585c64cc194932bb03976c24288606525b2e10625500.exe.exe
            • Size 88KB
            • SHA256 817f6fd5bd69393f6c6cdf9d3a37e0fc646ae67a2cd399db793aab3929785aee
            • MD5 SHA1 SHA512 SSDEEP

            Logo1_.exe

            • Path C:\Windows\Logo1_.exe
            • Size 29KB
            • SHA256 e96d77b3944418b69f4f44a2324615366dd0cc20605a93c752c42aa25c3a61a5
            • MD5 SHA1 SHA512 SSDEEP

            _desktop.ini

            • Path F:\$RECYCLE.BIN\S-1-5-21-2804150937-2146708401-419095071-1000\_desktop.ini
            • Size 9B
            • SHA256 47a22297ce31d17b0f37251ce63cf2eb146700451caab6dd0aa710d2526c8e42
            • MD5 SHA1 SHA512

            memory/2576-27-0x0000000000400000-0x0000000000436000-memory.dmp

            memory/2576-33-0x0000000000400000-0x0000000000436000-memory.dmp

            memory/2576-37-0x0000000000400000-0x0000000000436000-memory.dmp

            memory/2576-20-0x0000000000400000-0x0000000000436000-memory.dmp

            memory/2576-1231-0x0000000000400000-0x0000000000436000-memory.dmp

            memory/2576-13-0x0000000000400000-0x0000000000436000-memory.dmp

            memory/2576-4797-0x0000000000400000-0x0000000000436000-memory.dmp

            memory/2576-5236-0x0000000000400000-0x0000000000436000-memory.dmp

            memory/4844-0-0x0000000000400000-0x0000000000436000-memory.dmp

            memory/4844-10-0x0000000000400000-0x0000000000436000-memory.dmp