Overview

overview

10

Static

static

10

remcos_a.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    remcos_a.exe

  • Size

    233KB

  • Sample

    240903-ytxrpawanj

  • MD5

    7b73b1459d4eff3b15b57587688b5e2a

  • SHA1

    a4151e32040c259fe0947a9f5370f78f9390e767

  • SHA256

    a31d776927e6aaefe993384b5b1c5af93aa888ac858e30a1c44914eb71e3b975

  • SHA512

    1a3bc7820306c06becbdf0fa06452772a82b0810fbe9cf13011237cee0877117531a6ecb22b3aaf123c860d50905263eb1383ecf634c1704f22212cea1a18d8f

  • SSDEEP

    6144:ORLoVADCdeGx+T9mu2umTe7QBm+ip7BGP:OVWzQT9DmTaQBPidW

Score
10/10
remcosremotehostdiscoveryevasionpersistencerattrojanupx

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

outside-sand.gl.at.ply.gg:31300

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    system32

  • copy_folder

    system64

  • delete_file

    true

  • hide_file

    true

  • hide_keylog_file

    false

  • install_flag

    true

  • install_path

    %WinDir%\System32

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-FWTZ4Y

  • 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

      remcos_a.exe

    • Size

      233KB

    • MD5

      7b73b1459d4eff3b15b57587688b5e2a

    • SHA1

      a4151e32040c259fe0947a9f5370f78f9390e767

    • SHA256

      a31d776927e6aaefe993384b5b1c5af93aa888ac858e30a1c44914eb71e3b975

    • SHA512

      1a3bc7820306c06becbdf0fa06452772a82b0810fbe9cf13011237cee0877117531a6ecb22b3aaf123c860d50905263eb1383ecf634c1704f22212cea1a18d8f

    • SSDEEP

      6144:ORLoVADCdeGx+T9mu2umTe7QBm+ip7BGP:OVWzQT9DmTaQBPidW

    Score
    10/10
    remcosremotehostdiscoveryevasionpersistencerattrojanupx

    • Remcos

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

      ratremcos

    • UAC bypass

      evasiontrojan

    • Adds policy Run key to start application

      persistence

    • Deletes itself

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx

    • Adds Run key to start application

      persistence

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    behavioral1

MITRE ATT&CK Enterprise v15

Tasks