Analysis

  • max time kernel
    87s
  • max time network
    160s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    08/03/2022, 17:08

General

  • Target
    61368ae65a237202cea8082aa54d535dd8d119b4c2e272047e143eefd84e994a.exe
  • Size 260KB
  • Sample220308-vnpx4scdcm
  • SHA256 61368ae65a237202cea8082aa54d535dd8d119b4c2e272047e143eefd84e994a
  • 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\61368ae65a237202cea8082aa54d535dd8d119b4c2e272047e143eefd84e994a.exe
    "C:\Users\Admin\AppData\Local\Temp\61368ae65a237202cea8082aa54d535dd8d119b4c2e272047e143eefd84e994a.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2968
    • C:\Users\Admin\AppData\Local\Temp\61368ae65a237202cea8082aa54d535dd8d119b4c2e272047e143eefd84e994a.exe
      /scomma "C:\Users\Admin\AppData\Local\Temp\5tSJpxgezC.ini"
      2⤵
        PID:464
      • C:\Users\Admin\AppData\Local\Temp\61368ae65a237202cea8082aa54d535dd8d119b4c2e272047e143eefd84e994a.exe
        /scomma "C:\Users\Admin\AppData\Local\Temp\JvzwoQekIa.ini"
        2⤵
        • Accesses Microsoft Outlook accounts
        PID:3716

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          memory/464-132-0x0000000000400000-0x0000000000453000-memory.dmp

          memory/464-134-0x0000000000400000-0x0000000000453000-memory.dmp

          memory/464-135-0x0000000000400000-0x0000000000453000-memory.dmp

          memory/3716-136-0x0000000000400000-0x000000000041F000-memory.dmp

          memory/3716-138-0x0000000000400000-0x000000000041F000-memory.dmp

          memory/3716-139-0x0000000000400000-0x000000000041F000-memory.dmp