Overview

overview

10

Static

static

10

0ed56baa8a...7N.exe

windows7-x64

10

0ed56baa8a...7N.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    0ed56baa8a25ba6d7d9c0f2a407f5e57fa064e1d97e45cb25bb6f14a7e65b587N.exe

  • Size

    100KB

  • Sample

    241210-s231saypfy

  • MD5

    80506c6ed06ef26d1e9fd49a74dfa160

  • SHA1

    77ab799270ad177234ec025fd99740ef0cb8a8ef

  • SHA256

    0ed56baa8a25ba6d7d9c0f2a407f5e57fa064e1d97e45cb25bb6f14a7e65b587

  • SHA512

    2d2977d3a206c1012130a7d3d0ff590e8dc9bb60e831d5d4a7708e7364778084bab8381e6a2728f28a708a1fe516de93c92577caf28e4e47deb3321773ef39f5

  • SSDEEP

    3072:LhzYTGWVvJ8f2v1TbPzuMsIFSHNThy+JP/P6br3:LhzOv2fM13jsIFSHNT7P/P6X3

Score
10/10
remcoshostdiscoveryevasionpersistencerat

Malware Config

Extracted

Family

remcos

Version

1.7 Pro

Botnet

Host

C2

188.120.241.61:777

Attributes
  • audio_folder

    audio

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    5

  • copy_file

    ipinfo.exe

  • copy_folder

    Ipdata

  • delete_file

    false

  • hide_file

    true

  • hide_keylog_file

    true

  • install_flag

    true

  • install_path

    %AppData%

  • keylog_crypt

    true

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %AppData%

  • mouse_option

    true

  • mutex

    remcos_fwwcnrwpyg

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screens

  • screenshot_path

    %AppData%

  • screenshot_time

    1

  • startup_value

    remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      0ed56baa8a25ba6d7d9c0f2a407f5e57fa064e1d97e45cb25bb6f14a7e65b587N.exe

    • Size

      100KB

    • MD5

      80506c6ed06ef26d1e9fd49a74dfa160

    • SHA1

      77ab799270ad177234ec025fd99740ef0cb8a8ef

    • SHA256

      0ed56baa8a25ba6d7d9c0f2a407f5e57fa064e1d97e45cb25bb6f14a7e65b587

    • SHA512

      2d2977d3a206c1012130a7d3d0ff590e8dc9bb60e831d5d4a7708e7364778084bab8381e6a2728f28a708a1fe516de93c92577caf28e4e47deb3321773ef39f5

    • SSDEEP

      3072:LhzYTGWVvJ8f2v1TbPzuMsIFSHNThy+JP/P6br3:LhzOv2fM13jsIFSHNT7P/P6X3

    Score
    10/10
    remcoshostdiscoveryevasionpersistencerat

    • Modifies WinLogon for persistence

      persistence

    • Remcos

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

      ratremcos

    • Remcos family

      remcos

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

      evasion

    • Adds policy Run key to start application

      persistence

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Modifies WinLogon

      persistence
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks