Analysis

  • max time kernel
    131s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-01-2023 12:41

General

  • Target

    23ee744fa24aaada6ab0a81166c2f5466d29d502.exe

  • Size

    477KB

  • MD5

    447f1d5a645314beb0b1d6b0f2f5119f

  • SHA1

    23ee744fa24aaada6ab0a81166c2f5466d29d502

  • SHA256

    850f818aca36188fff35a492275cd63ba81f6e48263faa669fb5e192165f2f92

  • SHA512

    2a4ed5f9a933ef0330c81672c17623143ee0c3693d6c56c85632c0bac2b7a8fb049bae0af904a1bd2a16db8ac338d78d0928e0edc7f5d866170d25c19407e752

  • SSDEEP

    3072:N36LY3qIwBzFyIR+DSbhsR2OsHas+8yqB1LuiCx8V8rIiJzQvstptE8z0N:N36hWsHtlLv8EiFES0

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Gathers network information 2 TTPs 2 IoCs

    Uses commandline utility to view network configuration.

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 32 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\23ee744fa24aaada6ab0a81166c2f5466d29d502.exe
    "C:\Users\Admin\AppData\Local\Temp\23ee744fa24aaada6ab0a81166c2f5466d29d502.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3404
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ipconfig/release
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2608
      • C:\Windows\SysWOW64\ipconfig.exe
        ipconfig /release
        3⤵
        • Gathers network information
        PID:828
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3148
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ipconfig/renew
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2212
      • C:\Windows\SysWOW64\ipconfig.exe
        ipconfig /renew
        3⤵
        • Gathers network information
        PID:872
    • C:\Users\Admin\AppData\Local\Temp\23ee744fa24aaada6ab0a81166c2f5466d29d502.exe
      C:\Users\Admin\AppData\Local\Temp\23ee744fa24aaada6ab0a81166c2f5466d29d502.exe
      2⤵
        PID:2984
      • C:\Users\Admin\AppData\Local\Temp\23ee744fa24aaada6ab0a81166c2f5466d29d502.exe
        C:\Users\Admin\AppData\Local\Temp\23ee744fa24aaada6ab0a81166c2f5466d29d502.exe
        2⤵
          PID:4060
        • C:\Users\Admin\AppData\Local\Temp\23ee744fa24aaada6ab0a81166c2f5466d29d502.exe
          C:\Users\Admin\AppData\Local\Temp\23ee744fa24aaada6ab0a81166c2f5466d29d502.exe
          2⤵
            PID:1756
          • C:\Users\Admin\AppData\Local\Temp\23ee744fa24aaada6ab0a81166c2f5466d29d502.exe
            C:\Users\Admin\AppData\Local\Temp\23ee744fa24aaada6ab0a81166c2f5466d29d502.exe
            2⤵
            • Accesses Microsoft Outlook profiles
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of SetWindowsHookEx
            • outlook_office_path
            • outlook_win_path
            PID:2808

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\23ee744fa24aaada6ab0a81166c2f5466d29d502.exe.log

          Filesize

          1KB

          MD5

          13b08803e0bb671919478d178f19d6e2

          SHA1

          9f8c1d2a16446f9ee1e3244f48d372aecccf4dd9

          SHA256

          bab001392f6a9fc257a302cf557c9f571c7b352f41aedda14b049976ee5fd1c9

          SHA512

          2fe208b9958329734a5c6ce6aa526ee20d2c02d351927e75f85f27c2ffdc3c9e3413c17dc6e0dd9eefc3fb379e936b6bef2984a6e44ffafdc7600f590398016f

        • memory/828-135-0x0000000000000000-mapping.dmp

        • memory/872-147-0x0000000000000000-mapping.dmp

        • memory/1756-150-0x0000000000000000-mapping.dmp

        • memory/2212-146-0x0000000000000000-mapping.dmp

        • memory/2608-134-0x0000000000000000-mapping.dmp

        • memory/2808-156-0x0000000007450000-0x0000000007612000-memory.dmp

          Filesize

          1.8MB

        • memory/2808-155-0x0000000007230000-0x0000000007280000-memory.dmp

          Filesize

          320KB

        • memory/2808-154-0x0000000006F50000-0x0000000006F5A000-memory.dmp

          Filesize

          40KB

        • memory/2808-151-0x0000000000000000-mapping.dmp

        • memory/2808-152-0x0000000000400000-0x0000000000430000-memory.dmp

          Filesize

          192KB

        • memory/2984-148-0x0000000000000000-mapping.dmp

        • memory/3148-138-0x0000000005740000-0x0000000005D68000-memory.dmp

          Filesize

          6.2MB

        • memory/3148-143-0x0000000006980000-0x000000000699A000-memory.dmp

          Filesize

          104KB

        • memory/3148-142-0x0000000007AF0000-0x000000000816A000-memory.dmp

          Filesize

          6.5MB

        • memory/3148-141-0x0000000006480000-0x000000000649E000-memory.dmp

          Filesize

          120KB

        • memory/3148-140-0x0000000005E40000-0x0000000005EA6000-memory.dmp

          Filesize

          408KB

        • memory/3148-139-0x0000000005650000-0x00000000056B6000-memory.dmp

          Filesize

          408KB

        • memory/3148-137-0x0000000002EC0000-0x0000000002EF6000-memory.dmp

          Filesize

          216KB

        • memory/3148-136-0x0000000000000000-mapping.dmp

        • memory/3404-145-0x00000000074F0000-0x0000000007A94000-memory.dmp

          Filesize

          5.6MB

        • memory/3404-144-0x00000000058F0000-0x0000000005982000-memory.dmp

          Filesize

          584KB

        • memory/3404-132-0x00000000005C0000-0x000000000063C000-memory.dmp

          Filesize

          496KB

        • memory/3404-133-0x00000000065A0000-0x00000000065C2000-memory.dmp

          Filesize

          136KB

        • memory/4060-149-0x0000000000000000-mapping.dmp