Overview

overview

10

Static

static

1

a2c8392f47...4a.exe

windows7-x64

10

a2c8392f47...4a.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    a2c8392f47662eb08f743b75912fe84a.exe

  • Size

    434KB

  • Sample

    230207-jvzkcaac84

  • MD5

    a2c8392f47662eb08f743b75912fe84a

  • SHA1

    6c15b308b41065a646bff69ce629efe8b673e6cc

  • SHA256

    d1937bc0326abde4ce4a9f3cac4fac05de2926bfec9be2ea40200b9682bebe30

  • SHA512

    28737d5f8917262f4694d7ca8b6159e59a61f872998aff2a4c596bd2715ca976db7e40678e8124e50aa6dc5bec9d648b667a1aefb93027048801ba0653c24c44

  • SSDEEP

    12288:olUMX5Lyl/bvlQkJYJTN9Z+pcHFx5kjIKhP7:ohLq/bvlQkJYJBzYcHFxGd

Score
10/10
remcosr43-rel2persistencerat

Malware Config

Extracted

Family

remcos

Botnet

R43-REL2

C2

solo.chessregister.rss-search.anondns.net:8443

Attributes
  • audio_folder

    MicRecords

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    40

  • connect_interval

    16

  • copy_file

    _echosoftwarelic.exe

  • copy_folder

    .echosft

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    true

  • install_flag

    true

  • install_path

    %AppData%

  • keylog_crypt

    true

  • keylog_file

    dd4226cbf.dat

  • keylog_flag

    false

  • keylog_folder

    .monosvc

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    EchoRm-LRL5TG

  • screenshot_crypt

    true

  • screenshot_flag

    false

  • screenshot_folder

    fstlock

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    Echo Comm

  • take_screenshot_option

    true

  • take_screenshot_time

    6

  • take_screenshot_title

    Account;Payment;PayPal;License;Activation;Client;Banking

Targets

    • Target

      a2c8392f47662eb08f743b75912fe84a.exe

    • Size

      434KB

    • MD5

      a2c8392f47662eb08f743b75912fe84a

    • SHA1

      6c15b308b41065a646bff69ce629efe8b673e6cc

    • SHA256

      d1937bc0326abde4ce4a9f3cac4fac05de2926bfec9be2ea40200b9682bebe30

    • SHA512

      28737d5f8917262f4694d7ca8b6159e59a61f872998aff2a4c596bd2715ca976db7e40678e8124e50aa6dc5bec9d648b667a1aefb93027048801ba0653c24c44

    • SSDEEP

      12288:olUMX5Lyl/bvlQkJYJTN9Z+pcHFx5kjIKhP7:ohLq/bvlQkJYJBzYcHFxGd

    Score
    10/10
    remcosr43-rel2persistencerat

    • 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

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks