Overview

overview

10

Static

static

3

5134d96e3f...2d.exe

windows7-x64

10

5134d96e3f...2d.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    93s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-01-2025 15:37

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General

  • Target

    5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d.exe

  • Size

    1.8MB

  • MD5

    79e1a1eff7c95ddf2bf7bf469104473b

  • SHA1

    730bc9390befaa0469c107379f0237a1fa353bc2

  • SHA256

    5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d

  • SHA512

    0c3a6e02fb9199d75619979140713dfb35f6fec1cf1764b56e57f6027ca7316ef2216076b8605bd4bfd947e15c2e34c70aa54b7e2d101f6fdaac6b793ef98797

  • SSDEEP

    49152:x1aG4/d5SVuz9xLS/V1ap4/UmWBk0ZUveaN77jZo:xIn/d5SVIu/VI2/yBT6Nflo

Score
10/10
remcosremotehostdiscoveryrat

Malware Config

Extracted

Family

remcos

Version

4.9.3 Light

Botnet

RemoteHost

C2

127.0.0.1:2404

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-52SPIJ

  • 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.

    ratremcos
  • Remcos family
    remcos
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

    discovery
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d.exe
    "C:\Users\Admin\AppData\Local\Temp\5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2552
    • C:\Users\Admin\AppData\Local\Temp\5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d.exe
      "C:\Users\Admin\AppData\Local\Temp\5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2584
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2584 -s 488
        3⤵
        • Program crash
        PID:2948
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2584 -ip 2584
    1⤵
      PID:312

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • memory/2552-0-0x0000000002340000-0x0000000002367000-memory.dmp

      Filesize

      156KB

      Download

    • memory/2552-2-0x00000000025B0000-0x00000000025ED000-memory.dmp

      Filesize

      244KB

      Download

    • memory/2584-1-0x00000000005E0000-0x0000000000655000-memory.dmp

      Filesize

      468KB

      Download