Analysis

  • max time kernel
    32s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    02/01/2024, 16:06

General

  • Target

    7e1fdba02d3b4f8ad6b0dce97d96ea6d.exe

  • Size

    1.4MB

  • MD5

    7e1fdba02d3b4f8ad6b0dce97d96ea6d

  • SHA1

    f48ae1452b6d9ee778eca7789eedb01c2833a9d4

  • SHA256

    cffb6fad2233cb1d9bf78556fc31346f21ab57c57969ab2bbeaffcec9cd81fe7

  • SHA512

    7b6651ecd0f9c2847291d8614ad4d37a78423d81573caccd97d3181f1ff18c951aceae9aa331bc766f15a8cfd8e8cca6afc5e21e922ecceefa27668d7e527d3c

  • SSDEEP

    24576:Ahik9Fe48J//s8kUfpinWpzjc540i+knpJmJ4e52AeFJHFm9:aup9/s8kUEWcVi+A7AePE9

Malware Config

Signatures

  • NirSoft MailPassView 3 IoCs

    Password recovery tool for various email clients

  • Nirsoft 22 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • UPX packed file 39 IoCs

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

  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 9 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7e1fdba02d3b4f8ad6b0dce97d96ea6d.exe
    "C:\Users\Admin\AppData\Local\Temp\7e1fdba02d3b4f8ad6b0dce97d96ea6d.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3052
    • C:\Users\Admin\AppData\Local\Temp\7e1fdba02d3b4f8ad6b0dce97d96ea6d.exe
      /stext C:\Users\Admin\AppData\Local\Temp\temp.txt
      2⤵
      • Accesses Microsoft Outlook accounts
      PID:2292
    • C:\Users\Admin\AppData\Local\Temp\7e1fdba02d3b4f8ad6b0dce97d96ea6d.exe
      /stext C:\Users\Admin\AppData\Local\Temp\temp.txt
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2144
    • C:\Users\Admin\AppData\Local\Temp\7e1fdba02d3b4f8ad6b0dce97d96ea6d.exe
      /stext C:\Users\Admin\AppData\Local\Temp\temp.txt
      2⤵
        PID:2152
      • C:\Users\Admin\AppData\Local\Temp\7e1fdba02d3b4f8ad6b0dce97d96ea6d.exe
        /stext C:\Users\Admin\AppData\Local\Temp\temp.txt
        2⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2644
      • C:\Users\Admin\AppData\Local\Temp\7e1fdba02d3b4f8ad6b0dce97d96ea6d.exe
        /stext C:\Users\Admin\AppData\Local\Temp\temp.txt
        2⤵
          PID:2488
        • C:\Users\Admin\AppData\Local\Temp\7e1fdba02d3b4f8ad6b0dce97d96ea6d.exe
          /stext C:\Users\Admin\AppData\Local\Temp\temp.txt
          2⤵
            PID:2852
          • C:\Users\Admin\AppData\Local\Temp\7e1fdba02d3b4f8ad6b0dce97d96ea6d.exe
            /stext C:\Users\Admin\AppData\Local\Temp\temp.txt
            2⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:1840
          • C:\Users\Admin\AppData\Local\Temp\7e1fdba02d3b4f8ad6b0dce97d96ea6d.exe
            "C:\Users\Admin\AppData\Local\Temp\7e1fdba02d3b4f8ad6b0dce97d96ea6d.exe"
            2⤵
              PID:1628
            • C:\Users\Admin\AppData\Local\Temp\7e1fdba02d3b4f8ad6b0dce97d96ea6d.exe
              /stext C:\Users\Admin\AppData\Local\Temp\temp.txt
              2⤵
                PID:1728
              • C:\Users\Admin\AppData\Local\Temp\temp.exe
                "C:\Users\Admin\AppData\Local\Temp\temp.exe"
                2⤵
                • Executes dropped EXE
                PID:2132

            Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • memory/1628-154-0x0000000000400000-0x0000000000411000-memory.dmp

              Filesize

              68KB

            • memory/1728-136-0x0000000000400000-0x000000000041A000-memory.dmp

              Filesize

              104KB

            • memory/1840-117-0x0000000000400000-0x0000000000419000-memory.dmp

              Filesize

              100KB

            • memory/1840-120-0x0000000000400000-0x0000000000419000-memory.dmp

              Filesize

              100KB

            • memory/2132-178-0x000007FEF5EE0000-0x000007FEF687D000-memory.dmp

              Filesize

              9.6MB

            • memory/2132-175-0x000007FEF5EE0000-0x000007FEF687D000-memory.dmp

              Filesize

              9.6MB

            • memory/2132-177-0x000007FEF5EE0000-0x000007FEF687D000-memory.dmp

              Filesize

              9.6MB

            • memory/2132-176-0x0000000001EB0000-0x0000000001F30000-memory.dmp

              Filesize

              512KB

            • memory/2144-11-0x0000000000400000-0x0000000000424000-memory.dmp

              Filesize

              144KB

            • memory/2144-13-0x0000000000400000-0x0000000000424000-memory.dmp

              Filesize

              144KB

            • memory/2144-15-0x0000000000400000-0x0000000000424000-memory.dmp

              Filesize

              144KB

            • memory/2144-14-0x0000000000400000-0x0000000000424000-memory.dmp

              Filesize

              144KB

            • memory/2144-12-0x0000000000400000-0x0000000000424000-memory.dmp

              Filesize

              144KB

            • memory/2144-6-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

              Filesize

              4KB

            • memory/2144-10-0x0000000000400000-0x0000000000424000-memory.dmp

              Filesize

              144KB

            • memory/2144-8-0x0000000000400000-0x0000000000424000-memory.dmp

              Filesize

              144KB

            • memory/2144-4-0x0000000000400000-0x0000000000424000-memory.dmp

              Filesize

              144KB

            • memory/2144-2-0x0000000000400000-0x0000000000424000-memory.dmp

              Filesize

              144KB

            • memory/2144-0-0x0000000000400000-0x0000000000424000-memory.dmp

              Filesize

              144KB

            • memory/2152-53-0x0000000000400000-0x0000000000418000-memory.dmp

              Filesize

              96KB

            • memory/2152-49-0x0000000000400000-0x0000000000418000-memory.dmp

              Filesize

              96KB

            • memory/2152-61-0x0000000000400000-0x0000000000418000-memory.dmp

              Filesize

              96KB

            • memory/2152-60-0x0000000000400000-0x0000000000418000-memory.dmp

              Filesize

              96KB

            • memory/2152-59-0x0000000000400000-0x0000000000418000-memory.dmp

              Filesize

              96KB

            • memory/2152-57-0x0000000000400000-0x0000000000418000-memory.dmp

              Filesize

              96KB

            • memory/2152-62-0x0000000000400000-0x0000000000418000-memory.dmp

              Filesize

              96KB

            • memory/2152-51-0x0000000000400000-0x0000000000418000-memory.dmp

              Filesize

              96KB

            • memory/2292-25-0x0000000000400000-0x000000000041D000-memory.dmp

              Filesize

              116KB

            • memory/2292-31-0x0000000000400000-0x000000000041D000-memory.dmp

              Filesize

              116KB

            • memory/2292-27-0x0000000000400000-0x000000000041D000-memory.dmp

              Filesize

              116KB

            • memory/2292-28-0x0000000000400000-0x000000000041D000-memory.dmp

              Filesize

              116KB

            • memory/2292-30-0x0000000000400000-0x000000000041D000-memory.dmp

              Filesize

              116KB

            • memory/2292-21-0x0000000000400000-0x000000000041D000-memory.dmp

              Filesize

              116KB

            • memory/2292-19-0x0000000000400000-0x000000000041D000-memory.dmp

              Filesize

              116KB

            • memory/2292-17-0x0000000000400000-0x000000000041D000-memory.dmp

              Filesize

              116KB

            • memory/2292-29-0x0000000000400000-0x000000000041D000-memory.dmp

              Filesize

              116KB

            • memory/2488-81-0x0000000000400000-0x000000000041C000-memory.dmp

              Filesize

              112KB

            • memory/2488-77-0x0000000000400000-0x000000000041C000-memory.dmp

              Filesize

              112KB

            • memory/2488-84-0x0000000000400000-0x000000000041C000-memory.dmp

              Filesize

              112KB

            • memory/2488-69-0x0000000000400000-0x000000000041C000-memory.dmp

              Filesize

              112KB

            • memory/2488-67-0x0000000000400000-0x000000000041C000-memory.dmp

              Filesize

              112KB

            • memory/2644-46-0x0000000000400000-0x0000000000416000-memory.dmp

              Filesize

              88KB

            • memory/2644-33-0x0000000000400000-0x0000000000416000-memory.dmp

              Filesize

              88KB

            • memory/2644-35-0x0000000000400000-0x0000000000416000-memory.dmp

              Filesize

              88KB

            • memory/2644-37-0x0000000000400000-0x0000000000416000-memory.dmp

              Filesize

              88KB

            • memory/2644-41-0x0000000000400000-0x0000000000416000-memory.dmp

              Filesize

              88KB

            • memory/2644-43-0x0000000000400000-0x0000000000416000-memory.dmp

              Filesize

              88KB

            • memory/2644-44-0x0000000000400000-0x0000000000416000-memory.dmp

              Filesize

              88KB

            • memory/2644-45-0x0000000000400000-0x0000000000416000-memory.dmp

              Filesize

              88KB

            • memory/2644-47-0x0000000000400000-0x0000000000416000-memory.dmp

              Filesize

              88KB

            • memory/2852-103-0x0000000000400000-0x0000000000410000-memory.dmp

              Filesize

              64KB

            • memory/2852-101-0x0000000000400000-0x0000000000410000-memory.dmp

              Filesize

              64KB