Analysis

  • max time kernel
    147s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/01/2023, 13:03

General

  • Target
    file.exe
  • Size 667KB
  • Sample230123-qaccmsdc59
  • SHA256 6d8503cf760a86e245dde67d8ba7e338806cb0eef0d94c1904cbf84ec9e4e96e
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • 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
  • 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
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3448
    • C:\Users\Admin\AppData\Local\Temp\file.exe
      "C:\Users\Admin\AppData\Local\Temp\file.exe"
      2⤵
        PID:1892
      • C:\Users\Admin\AppData\Local\Temp\file.exe
        "C:\Users\Admin\AppData\Local\Temp\file.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:5112

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          file.exe.log

          • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\file.exe.log
          • Size 1KB
          • SHA256 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
          • MD5 SHA1 SHA512

          memory/3448-132-0x0000000000EA0000-0x0000000000F4E000-memory.dmp

          memory/3448-133-0x0000000005F50000-0x00000000064F4000-memory.dmp

          memory/3448-134-0x00000000058E0000-0x0000000005972000-memory.dmp

          memory/3448-135-0x0000000005980000-0x000000000598A000-memory.dmp

          memory/3448-136-0x0000000005BA0000-0x0000000005C3C000-memory.dmp

          memory/5112-139-0x0000000000400000-0x0000000000430000-memory.dmp

          memory/5112-141-0x0000000005440000-0x00000000054A6000-memory.dmp

          memory/5112-142-0x0000000006E20000-0x0000000006E70000-memory.dmp

          memory/5112-143-0x0000000007150000-0x0000000007312000-memory.dmp