Overview

overview

10

Static

static

RFQ 202209.exe

windows7-x64

10

RFQ 202209.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-09-2022 10:55

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General

  • Target

    RFQ 202209.exe

  • Size

    1.3MB

  • MD5

    2eb993eae521117abeb184195490b57a

  • SHA1

    7114649dc2116ff3ca020c05440464738c1ae13b

  • SHA256

    5542dd26db06cbc6b03f1323db7ff6792a69bcf3dcd6a6c978b91018c7f0a0ee

  • SHA512

    c29f10d3317c3f6fa06df0d30a0c3e2272068fe9b5860411d909b090d69211b1bae0d79a5bd77a73844ba075a73cb6c604d06c5e28e2b144baa00f7e00f9f2f0

  • SSDEEP

    24576:Sl1XSjildH84qAc/8jAx6SgXIWA8KB4iEkz/K3h2:S/NH84I/8jA1geB4R2g

Score
10/10
remcosnew rem stubcollectionratspywarestealer

Malware Config

Extracted

Family

remcos

Botnet

NEW REM STUB

C2

valvesco.duckdns.org:5050

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    remcos.exe

  • copy_folder

    Remcos

  • 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-48V73L

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    Remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Signatures

  • Remcos

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

    ratremcos
  • 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.

    spywarestealer
  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
    collection
  • Suspicious use of SetThreadContext 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\RFQ 202209.exe
    "C:\Users\Admin\AppData\Local\Temp\RFQ 202209.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5080
    • C:\Users\Admin\AppData\Local\Temp\RFQ 202209.exe
      "C:\Users\Admin\AppData\Local\Temp\RFQ 202209.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4192
      • C:\Users\Admin\AppData\Local\Temp\RFQ 202209.exe
        "C:\Users\Admin\AppData\Local\Temp\RFQ 202209.exe" /stext "C:\Users\Admin\AppData\Local\Temp\fkpsfrhajkhonxzgjsmnksbgz"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:864
      • C:\Users\Admin\AppData\Local\Temp\RFQ 202209.exe
        "C:\Users\Admin\AppData\Local\Temp\RFQ 202209.exe" /stext "C:\Users\Admin\AppData\Local\Temp\pevlgbscxsztxdwssdzpveopahwh"
        3⤵
          PID:3708
        • C:\Users\Admin\AppData\Local\Temp\RFQ 202209.exe
          "C:\Users\Admin\AppData\Local\Temp\RFQ 202209.exe" /stext "C:\Users\Admin\AppData\Local\Temp\pevlgbscxsztxdwssdzpveopahwh"
          3⤵
          • Accesses Microsoft Outlook accounts
          PID:1188
        • C:\Users\Admin\AppData\Local\Temp\RFQ 202209.exe
          "C:\Users\Admin\AppData\Local\Temp\RFQ 202209.exe" /stext "C:\Users\Admin\AppData\Local\Temp\zgidgucvlbrfzkkwjotiyjjginnqzgo"
          3⤵
            PID:4936
          • C:\Users\Admin\AppData\Local\Temp\RFQ 202209.exe
            "C:\Users\Admin\AppData\Local\Temp\RFQ 202209.exe" /stext "C:\Users\Admin\AppData\Local\Temp\zgidgucvlbrfzkkwjotiyjjginnqzgo"
            3⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:1900

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Initial Access

      Execution

      Persistence

      Privilege Escalation

      Defense Evasion

      Credential Access

      Credentials in Files

      1
      T1081

      Discovery

      Lateral Movement

      Collection

      Data from Local System

      1
      T1005

      Email Collection

      1
      T1114

      Exfiltration

      Command and Control

      Impact

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\fkpsfrhajkhonxzgjsmnksbgz
        Filesize

        4KB

        MD5

        952a930b9fe70f809a67cb4e765c9448

        SHA1

        7e6c235246cc1be14d8a01ee7688a2a2471d44c9

        SHA256

        bd8156713974af3003c418302d3647fa84f62836fe83613c05e8bc40cb06a867

        SHA512

        10d12f2412fd2cb9ecf47cccd0261b17d9a3323957602c06795c4b2244306837d0a979ec6e552dc023ee81719ebcb9455bdb6f9d44f07788664994d1498452fb

        Download Submit
      • memory/864-143-0x0000000000000000-mapping.dmp
        Download
      • memory/864-150-0x0000000000400000-0x0000000000478000-memory.dmp
        Filesize

        480KB

        Download
      • memory/1188-148-0x0000000000400000-0x0000000000457000-memory.dmp
        Filesize

        348KB

        Download
      • memory/1188-145-0x0000000000000000-mapping.dmp
        Download
      • memory/1900-149-0x0000000000400000-0x0000000000424000-memory.dmp
        Filesize

        144KB

        Download
      • memory/1900-147-0x0000000000000000-mapping.dmp
        Download
      • memory/3708-144-0x0000000000000000-mapping.dmp
        Download
      • memory/4192-142-0x0000000000400000-0x000000000047F000-memory.dmp
        Filesize

        508KB

        Download
      • memory/4192-141-0x0000000000400000-0x000000000047F000-memory.dmp
        Filesize

        508KB

        Download
      • memory/4192-140-0x0000000000400000-0x000000000047F000-memory.dmp
        Filesize

        508KB

        Download
      • memory/4192-139-0x0000000000400000-0x000000000047F000-memory.dmp
        Filesize

        508KB

        Download
      • memory/4192-138-0x0000000000000000-mapping.dmp
        Download
      • memory/4192-152-0x0000000000400000-0x000000000047F000-memory.dmp
        Filesize

        508KB

        Download
      • memory/4936-146-0x0000000000000000-mapping.dmp
        Download
      • memory/5080-132-0x0000000000920000-0x0000000000A78000-memory.dmp
        Filesize

        1.3MB

        Download
      • memory/5080-137-0x0000000008040000-0x00000000080A6000-memory.dmp
        Filesize

        408KB

        Download
      • memory/5080-136-0x0000000007DA0000-0x0000000007E3C000-memory.dmp
        Filesize

        624KB

        Download
      • memory/5080-135-0x0000000005430000-0x000000000543A000-memory.dmp
        Filesize

        40KB

        Download
      • memory/5080-134-0x00000000054A0000-0x0000000005532000-memory.dmp
        Filesize

        584KB

        Download
      • memory/5080-133-0x00000000059B0000-0x0000000005F54000-memory.dmp
        Filesize

        5.6MB

        Download