Overview

overview

10

Static

static

10

b04b1b268f...a2.exe

windows10-2004-x64

10

b04b1b268f...a2.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    58s
  • max time network
    24s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    05/08/2026, 20:02

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General

  • Target
    b04b1b268fe1315a83cc7982afe167d22d44c3140caf81b251e0ecd7abf34da2.exe
  • Size 470KB
  • Sample260805-yr991azzct
  • SHA256 b04b1b268fe1315a83cc7982afe167d22d44c3140caf81b251e0ecd7abf34da2
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
exiorerdiscoveryremcosrat

Malware Config

Extracted

Family

  • remcos

Version

  • 3.8.0 Pro

Botnet

  • exIorer

C2

  • 127.0.0.1:2404

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    exprIorer.exe

  • copy_folder

    expIorer

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    true

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-FFW3FV

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    exIorer

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Signatures

  • Family: Remcos

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

    ratremcos
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery

Processes

  • C:\Users\Admin\AppData\Local\Temp\b04b1b268fe1315a83cc7982afe167d22d44c3140caf81b251e0ecd7abf34da2.exe
    "C:\Users\Admin\AppData\Local\Temp\b04b1b268fe1315a83cc7982afe167d22d44c3140caf81b251e0ecd7abf34da2.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    PID:1188
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1188 -s 276
      2⤵
      • Program crash
      PID:5476
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1188 -ip 1188
    1⤵
      PID:2820

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/1188-0-0x0000000000160000-0x00000000001DF000-memory.dmp
          Download