Overview

overview

10

Static

static

3

b5bd106864...88.exe

windows7-x64

10

b5bd106864...88.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    b5bd1068644f0c38e7aa1cb38dcc40eacf146be9b43d8fd865fddee61ea9a588.exe

  • Size

    4.8MB

  • Sample

    250128-qg8pessncl

  • MD5

    db497afaaa939e9bd7706520873de8c7

  • SHA1

    9a032838d8587bd1e039220bb1bbe28b1c569ea5

  • SHA256

    b5bd1068644f0c38e7aa1cb38dcc40eacf146be9b43d8fd865fddee61ea9a588

  • SHA512

    a872f202d114739d2c8dbcafafdf88191adf6a3df51ab36c595371ab0b0343d3e8a838b07443f58d2d36251de8c027ad46a642317132bb5f088a70842b4f7959

  • SSDEEP

    98304:0qwXy+as4+EAF3bgrYIseiqvGyS0Z4VeNzXrCAuO9X2egv+qvDfLdYEnrQtp:0qw1VFkrOeXGt24VezXr1y+4DjdBnEX

Score
10/10
remcosremotehostdiscoveryrat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

185.42.12.75:2406

Attributes
  • audio_folder

    MicRecords

  • audio_path

    ApplicationPath

  • 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

    010325

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    010325-YWFFXL

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      b5bd1068644f0c38e7aa1cb38dcc40eacf146be9b43d8fd865fddee61ea9a588.exe

    • Size

      4.8MB

    • MD5

      db497afaaa939e9bd7706520873de8c7

    • SHA1

      9a032838d8587bd1e039220bb1bbe28b1c569ea5

    • SHA256

      b5bd1068644f0c38e7aa1cb38dcc40eacf146be9b43d8fd865fddee61ea9a588

    • SHA512

      a872f202d114739d2c8dbcafafdf88191adf6a3df51ab36c595371ab0b0343d3e8a838b07443f58d2d36251de8c027ad46a642317132bb5f088a70842b4f7959

    • SSDEEP

      98304:0qwXy+as4+EAF3bgrYIseiqvGyS0Z4VeNzXrCAuO9X2egv+qvDfLdYEnrQtp:0qw1VFkrOeXGt24VezXr1y+4DjdBnEX

    Score
    10/10
    remcosremotehostdiscoveryrat

    • Remcos

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

      ratremcos

    • Remcos family

      remcos

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks