Analysis

  • max time kernel
    149s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/06/2024, 23:46

General

  • Target
    f3e2e96aa6be0286629fd00c0002888c55ce46e1ebb666b37a6be0367097d6c8.exe
  • Size 425KB
  • Sample240612-3sayrazamn
  • SHA256 f3e2e96aa6be0286629fd00c0002888c55ce46e1ebb666b37a6be0367097d6c8
  • 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
  • Modifies registry class 18 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3388
      • C:\Users\Admin\AppData\Local\Temp\f3e2e96aa6be0286629fd00c0002888c55ce46e1ebb666b37a6be0367097d6c8.exe
        "C:\Users\Admin\AppData\Local\Temp\f3e2e96aa6be0286629fd00c0002888c55ce46e1ebb666b37a6be0367097d6c8.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:2216
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a44BA.bat
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1116
          • C:\Users\Admin\AppData\Local\Temp\f3e2e96aa6be0286629fd00c0002888c55ce46e1ebb666b37a6be0367097d6c8.exe
            "C:\Users\Admin\AppData\Local\Temp\f3e2e96aa6be0286629fd00c0002888c55ce46e1ebb666b37a6be0367097d6c8.exe"
            4⤵
            • Executes dropped EXE
            • Modifies registry class
            • Suspicious use of SetWindowsHookEx
            PID:4220
        • 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:4224
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:4324
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:4984

      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 fbc2cf414606174f3555d76fe647557b72ac47e6bda0864fd8c5dad738df1733
            • MD5 SHA1 SHA512 SSDEEP

            UnlockSuspend.exe

            • Path C:\Program Files\UnlockSuspend.exe
            • Size 295KB
            • SHA256 4bbe258f46928cbc4a72f41f36eadddde75b9f3b240b0e96017399a0fc21757b
            • 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

            $$a44BA.bat

            • Path C:\Users\Admin\AppData\Local\Temp\$$a44BA.bat
            • Size 722B
            • SHA256 b5b471047b8b4e6f191e12ed4a5555fc7186fc2b3e5634844f496bc358886e69
            • MD5 SHA1 SHA512

            f3e2e96aa6be0286629fd00c0002888c55ce46e1ebb666b37a6be0367097d6c8.exe.exe

            • Path C:\Users\Admin\AppData\Local\Temp\f3e2e96aa6be0286629fd00c0002888c55ce46e1ebb666b37a6be0367097d6c8.exe.exe
            • Size 396KB
            • SHA256 7bacbf5c4895050cd1c07e28514ae291094a126258c1af0d959235cc1d052a63
            • MD5 SHA1 SHA512 SSDEEP

            Logo1_.exe

            • Path C:\Windows\Logo1_.exe
            • Size 29KB
            • SHA256 470ca7731bbe27be0922d68e5479cc10f87a1b29acfbe44a506414761a379a2a
            • MD5 SHA1 SHA512 SSDEEP

            _desktop.ini

            • Path F:\$RECYCLE.BIN\S-1-5-21-1337824034-2731376981-3755436523-1000\_desktop.ini
            • Size 9B
            • SHA256 45129bd309ca763a88c6bf438896e82b939d6491036658c4512c57f8353938c1
            • MD5 SHA1 SHA512

            memory/2216-9-0x0000000000400000-0x0000000000436000-memory.dmp

            memory/2216-0-0x0000000000400000-0x0000000000436000-memory.dmp

            memory/4224-27-0x0000000000400000-0x0000000000436000-memory.dmp

            memory/4224-37-0x0000000000400000-0x0000000000436000-memory.dmp

            memory/4224-33-0x0000000000400000-0x0000000000436000-memory.dmp

            memory/4224-1232-0x0000000000400000-0x0000000000436000-memory.dmp

            memory/4224-20-0x0000000000400000-0x0000000000436000-memory.dmp

            memory/4224-4798-0x0000000000400000-0x0000000000436000-memory.dmp

            memory/4224-13-0x0000000000400000-0x0000000000436000-memory.dmp

            memory/4224-5237-0x0000000000400000-0x0000000000436000-memory.dmp