Analysis

  • max time kernel
    149s
  • max time network
    134s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-06-2024 01:46

General

  • Target

    c6eb58e6a7889ef27e38ebc6b3ab4220b2fdb9b7a804d2db760638a31eda2e51.exe

  • Size

    1.2MB

  • MD5

    ea6b45fe18b512642b240c9d61ab8770

  • SHA1

    7db4b9f46eb62ce6eff432b9ed7b41096a54bb6e

  • SHA256

    c6eb58e6a7889ef27e38ebc6b3ab4220b2fdb9b7a804d2db760638a31eda2e51

  • SHA512

    23d7f26e025e7d8d22cca4157e987ddcdcc0860a5755537928b1e7cd94ab4c6a036b86e074ac2b8132cdc3f9aa1c2a13fa07d18d1608cae426511d46314f5ce4

  • SSDEEP

    24576:TwRuljp0v6U0SvpWTvCkV0uf5ZmH1OvVjPrCwb6:TwRId0vAvCkCua1sjD

Malware Config

Extracted

Family

remcos

Botnet

june8

C2

64.188.26.202:1604

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    Vexploio.exe

  • copy_folder

    Vexplo

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-LWI3MD

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Signatures

  • Remcos

    Remcos is a closed-source remote control and surveillance software.

  • NirSoft MailPassView 1 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 1 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 3 IoCs
  • 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 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious behavior: MapViewOfSection 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 39 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c6eb58e6a7889ef27e38ebc6b3ab4220b2fdb9b7a804d2db760638a31eda2e51.exe
    "C:\Users\Admin\AppData\Local\Temp\c6eb58e6a7889ef27e38ebc6b3ab4220b2fdb9b7a804d2db760638a31eda2e51.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4032
    • C:\Users\Admin\AppData\Local\Temp\c6eb58e6a7889ef27e38ebc6b3ab4220b2fdb9b7a804d2db760638a31eda2e51.exe
      "C:\Users\Admin\AppData\Local\Temp\c6eb58e6a7889ef27e38ebc6b3ab4220b2fdb9b7a804d2db760638a31eda2e51.exe"
      2⤵
        PID:2188
      • C:\Users\Admin\AppData\Local\Temp\c6eb58e6a7889ef27e38ebc6b3ab4220b2fdb9b7a804d2db760638a31eda2e51.exe
        "C:\Users\Admin\AppData\Local\Temp\c6eb58e6a7889ef27e38ebc6b3ab4220b2fdb9b7a804d2db760638a31eda2e51.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:3788
        • C:\Users\Admin\AppData\Local\Temp\c6eb58e6a7889ef27e38ebc6b3ab4220b2fdb9b7a804d2db760638a31eda2e51.exe
          C:\Users\Admin\AppData\Local\Temp\c6eb58e6a7889ef27e38ebc6b3ab4220b2fdb9b7a804d2db760638a31eda2e51.exe /stext "C:\Users\Admin\AppData\Local\Temp\tnmahsdqmchrmbejhnmpxcz"
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:1020
        • C:\Users\Admin\AppData\Local\Temp\c6eb58e6a7889ef27e38ebc6b3ab4220b2fdb9b7a804d2db760638a31eda2e51.exe
          C:\Users\Admin\AppData\Local\Temp\c6eb58e6a7889ef27e38ebc6b3ab4220b2fdb9b7a804d2db760638a31eda2e51.exe /stext "C:\Users\Admin\AppData\Local\Temp\eprsilnkilzwwhsnyyhqihtiar"
          3⤵
            PID:4560
          • C:\Users\Admin\AppData\Local\Temp\c6eb58e6a7889ef27e38ebc6b3ab4220b2fdb9b7a804d2db760638a31eda2e51.exe
            C:\Users\Admin\AppData\Local\Temp\c6eb58e6a7889ef27e38ebc6b3ab4220b2fdb9b7a804d2db760638a31eda2e51.exe /stext "C:\Users\Admin\AppData\Local\Temp\eprsilnkilzwwhsnyyhqihtiar"
            3⤵
            • Accesses Microsoft Outlook accounts
            PID:1176
          • C:\Users\Admin\AppData\Local\Temp\c6eb58e6a7889ef27e38ebc6b3ab4220b2fdb9b7a804d2db760638a31eda2e51.exe
            C:\Users\Admin\AppData\Local\Temp\c6eb58e6a7889ef27e38ebc6b3ab4220b2fdb9b7a804d2db760638a31eda2e51.exe /stext "C:\Users\Admin\AppData\Local\Temp\ojwljdymwtrbynorhiuklugrbykjs"
            3⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:4388

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\tnmahsdqmchrmbejhnmpxcz

        Filesize

        4KB

        MD5

        e9689445546dfde0d7496318bfbef6c8

        SHA1

        824304b951603171084b88d6879f474b77fddcdd

        SHA256

        3e57870283553f2a55d674391c0f2d04f3324b916553c5fe05ea391dab4be00e

        SHA512

        fc3ec8fe99f11bc0a5156a3ebc7746cfc8dfa7526030f30223e9e09b8e23de1e04f77aaa87bed9926c4810ec3de3385e57d6817f416a1dbd64e5ae27c8e3e65f

      • memory/1020-28-0x0000000000400000-0x0000000000478000-memory.dmp

        Filesize

        480KB

      • memory/1020-46-0x0000000074550000-0x00000000745DD000-memory.dmp

        Filesize

        564KB

      • memory/1020-30-0x0000000000400000-0x0000000000478000-memory.dmp

        Filesize

        480KB

      • memory/1020-32-0x0000000000400000-0x0000000000478000-memory.dmp

        Filesize

        480KB

      • memory/1020-39-0x0000000074550000-0x00000000745DD000-memory.dmp

        Filesize

        564KB

      • memory/1176-31-0x0000000000400000-0x0000000000462000-memory.dmp

        Filesize

        392KB

      • memory/1176-35-0x0000000000400000-0x0000000000462000-memory.dmp

        Filesize

        392KB

      • memory/1176-40-0x0000000074550000-0x00000000745DD000-memory.dmp

        Filesize

        564KB

      • memory/1176-42-0x0000000074550000-0x00000000745DD000-memory.dmp

        Filesize

        564KB

      • memory/1176-34-0x0000000000400000-0x0000000000462000-memory.dmp

        Filesize

        392KB

      • memory/3788-27-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/3788-48-0x0000000010000000-0x0000000010019000-memory.dmp

        Filesize

        100KB

      • memory/3788-59-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/3788-14-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/3788-17-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/3788-16-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/3788-18-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/3788-58-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/3788-20-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/3788-21-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/3788-23-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/3788-22-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/3788-26-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/3788-56-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/3788-57-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/3788-54-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/3788-55-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/3788-53-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/3788-52-0x0000000010000000-0x0000000010019000-memory.dmp

        Filesize

        100KB

      • memory/3788-51-0x0000000010000000-0x0000000010019000-memory.dmp

        Filesize

        100KB

      • memory/4032-12-0x00000000077C0000-0x00000000077C6000-memory.dmp

        Filesize

        24KB

      • memory/4032-6-0x0000000074570000-0x0000000074D20000-memory.dmp

        Filesize

        7.7MB

      • memory/4032-8-0x0000000074570000-0x0000000074D20000-memory.dmp

        Filesize

        7.7MB

      • memory/4032-19-0x0000000074570000-0x0000000074D20000-memory.dmp

        Filesize

        7.7MB

      • memory/4032-4-0x00000000059D0000-0x0000000005A6C000-memory.dmp

        Filesize

        624KB

      • memory/4032-3-0x0000000005870000-0x0000000005902000-memory.dmp

        Filesize

        584KB

      • memory/4032-2-0x0000000005EE0000-0x0000000006484000-memory.dmp

        Filesize

        5.6MB

      • memory/4032-1-0x0000000000580000-0x00000000006C4000-memory.dmp

        Filesize

        1.3MB

      • memory/4032-13-0x0000000074570000-0x0000000074D20000-memory.dmp

        Filesize

        7.7MB

      • memory/4032-7-0x0000000005E60000-0x0000000005E6A000-memory.dmp

        Filesize

        40KB

      • memory/4032-5-0x0000000005CB0000-0x0000000005CF4000-memory.dmp

        Filesize

        272KB

      • memory/4032-0-0x000000007457E000-0x000000007457F000-memory.dmp

        Filesize

        4KB

      • memory/4032-9-0x000000007457E000-0x000000007457F000-memory.dmp

        Filesize

        4KB

      • memory/4032-10-0x0000000074570000-0x0000000074D20000-memory.dmp

        Filesize

        7.7MB

      • memory/4032-11-0x0000000007760000-0x000000000777A000-memory.dmp

        Filesize

        104KB

      • memory/4388-44-0x0000000000400000-0x0000000000424000-memory.dmp

        Filesize

        144KB

      • memory/4388-43-0x0000000000400000-0x0000000000424000-memory.dmp

        Filesize

        144KB

      • memory/4388-41-0x0000000000400000-0x0000000000424000-memory.dmp

        Filesize

        144KB