Analysis

  • max time kernel
    99s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    08/03/2022, 00:58

General

  • Target
    e1ed12cde6d3b9b52ca99b7824978ecf90dd15eb717162556f1397d3f9b17734.exe
  • Size 260KB
  • Sample220308-bbtwraaaf6
  • SHA256 e1ed12cde6d3b9b52ca99b7824978ecf90dd15eb717162556f1397d3f9b17734
  • MD5 SHA1 SHA512

Malware Config

Signatures

  • NirSoft MailPassView 1 IoCs

    Password recovery tool for various email clients

  • Nirsoft 1 IoCs
  • UPX packed file 6 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e1ed12cde6d3b9b52ca99b7824978ecf90dd15eb717162556f1397d3f9b17734.exe
    "C:\Users\Admin\AppData\Local\Temp\e1ed12cde6d3b9b52ca99b7824978ecf90dd15eb717162556f1397d3f9b17734.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4036
    • C:\Users\Admin\AppData\Local\Temp\e1ed12cde6d3b9b52ca99b7824978ecf90dd15eb717162556f1397d3f9b17734.exe
      /scomma "C:\Users\Admin\AppData\Local\Temp\11LppO8x5p.ini"
      2⤵
        PID:1360
      • C:\Users\Admin\AppData\Local\Temp\e1ed12cde6d3b9b52ca99b7824978ecf90dd15eb717162556f1397d3f9b17734.exe
        /scomma "C:\Users\Admin\AppData\Local\Temp\ewqerqn7rx.ini"
        2⤵
        • Accesses Microsoft Outlook accounts
        PID:3704

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          memory/1360-132-0x0000000000400000-0x0000000000453000-memory.dmp

          memory/1360-134-0x0000000000400000-0x0000000000453000-memory.dmp

          memory/1360-135-0x0000000000400000-0x0000000000453000-memory.dmp

          memory/3704-137-0x0000000000400000-0x000000000041F000-memory.dmp

          memory/3704-139-0x0000000000400000-0x000000000041F000-memory.dmp

          memory/3704-140-0x0000000000400000-0x000000000041F000-memory.dmp