Analysis

  • max time kernel
    91s
  • max time network
    136s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-01-2023 06:58

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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 29 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:4028
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ipconfig/release
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4908
      • C:\Windows\SysWOW64\ipconfig.exe
        ipconfig /release
        3⤵
        • Gathers network information
        PID:1740
    • 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:3536
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ipconfig/renew
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4536
      • C:\Windows\SysWOW64\ipconfig.exe
        ipconfig /renew
        3⤵
        • Gathers network information
        PID:4012
    • C:\Users\Admin\AppData\Local\Temp\23ee744fa24aaada6ab0a81166c2f5466d29d502.exe
      C:\Users\Admin\AppData\Local\Temp\23ee744fa24aaada6ab0a81166c2f5466d29d502.exe
      2⤵
        PID:4712
      • C:\Users\Admin\AppData\Local\Temp\23ee744fa24aaada6ab0a81166c2f5466d29d502.exe
        C:\Users\Admin\AppData\Local\Temp\23ee744fa24aaada6ab0a81166c2f5466d29d502.exe
        2⤵
          PID:2376
        • 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:4820

      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/1740-135-0x0000000000000000-mapping.dmp

      • memory/2376-149-0x0000000000000000-mapping.dmp

      • memory/3536-136-0x0000000000000000-mapping.dmp

      • memory/3536-137-0x00000000024E0000-0x0000000002516000-memory.dmp

        Filesize

        216KB

      • memory/3536-138-0x0000000004C10000-0x0000000005238000-memory.dmp

        Filesize

        6.2MB

      • memory/3536-139-0x00000000053B0000-0x0000000005416000-memory.dmp

        Filesize

        408KB

      • memory/3536-140-0x0000000005420000-0x0000000005486000-memory.dmp

        Filesize

        408KB

      • memory/3536-141-0x0000000005A30000-0x0000000005A4E000-memory.dmp

        Filesize

        120KB

      • memory/3536-142-0x0000000007170000-0x00000000077EA000-memory.dmp

        Filesize

        6.5MB

      • memory/3536-143-0x0000000005F10000-0x0000000005F2A000-memory.dmp

        Filesize

        104KB

      • memory/4012-147-0x0000000000000000-mapping.dmp

      • memory/4028-144-0x00000000059D0000-0x0000000005A62000-memory.dmp

        Filesize

        584KB

      • memory/4028-145-0x0000000007330000-0x00000000078D4000-memory.dmp

        Filesize

        5.6MB

      • memory/4028-132-0x00000000005C0000-0x000000000063C000-memory.dmp

        Filesize

        496KB

      • memory/4028-133-0x0000000006520000-0x0000000006542000-memory.dmp

        Filesize

        136KB

      • memory/4536-146-0x0000000000000000-mapping.dmp

      • memory/4712-148-0x0000000000000000-mapping.dmp

      • memory/4820-150-0x0000000000000000-mapping.dmp

      • memory/4820-151-0x0000000000400000-0x0000000000430000-memory.dmp

        Filesize

        192KB

      • memory/4820-153-0x00000000071D0000-0x00000000071DA000-memory.dmp

        Filesize

        40KB

      • memory/4820-154-0x00000000073A0000-0x00000000073F0000-memory.dmp

        Filesize

        320KB

      • memory/4820-155-0x00000000075C0000-0x0000000007782000-memory.dmp

        Filesize

        1.8MB

      • memory/4908-134-0x0000000000000000-mapping.dmp