Overview

overview

10

Static

static

3

sample.exe

windows7-x64

10

sample.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2e5a027c69c4689e63e3db83608d73bf1fc0e47e9aeea1b59f864545a98f9893

  • Size

    584KB

  • Sample

    241021-ydnh3ssdkc

  • MD5

    414ca4d8243096fc008b268ec4235f50

  • SHA1

    7b81c2738b47d0004225af9dd546d66f9a0b35ee

  • SHA256

    2e5a027c69c4689e63e3db83608d73bf1fc0e47e9aeea1b59f864545a98f9893

  • SHA512

    d7d0652f3ea4c427f831dafee0d1203823c180515e3e3ec2c8185fe60b3752135a5f9998b6d10a068fcf65db16689a3ff53081da75484e80f4350c2ce6c441cb

  • SSDEEP

    12288:SUcmEP2x0zk4h1U0Ses0CgwHRlG9Kd+czQze8jvEh0zP/4tHQJ7:SUcmDx0zRU0AgglG9KFCTzX4tHQJ7

Score
10/10
remcosremotehostdiscoverypersistencerat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

newpage44.mywire.org:5010

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    skype.exe

  • copy_folder

    skype

  • 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-GRUM7D

  • screenshot_crypt

    false

  • screenshot_flag

    true

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      sample

    • Size

      1.1MB

    • MD5

      0b17bf78d7ca53d04fa8b4b3326bd1da

    • SHA1

      09f3d099f31bc9b1a92ef1f4e2bed3ce70426311

    • SHA256

      51dde1b287583c1f27658bf5083e30e967beef56b53e02921721b7be5b4338ca

    • SHA512

      21431db469c3b3d788db925f0bf6bdb2b314618973dcaefbe528eae76003c5d74e329e40c3319a4ad24a5a031b9c71aa1ca8342595ed95cd1be9781fbcff66f8

    • SSDEEP

      24576:G4kClmLnsvxDw4AlDEdDLA92mwlzKBKuxAw//w:G6m3EdDLA92tld0/w

    Score
    10/10
    remcosremotehostdiscoverypersistencerat

    • Remcos

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

      ratremcos

    • 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

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks