Overview

overview

10

Static

static

1

c2.hta

windows7-x64

8

c2.hta

windows10-2004-x64

10

Sharing

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General

  • Target

    c2.hta

  • Size

    5KB

  • Sample

    250107-1dletszkax

  • MD5

    cbcdda2a4fece3b9fe71dc53b039762d

  • SHA1

    61113f8d33d3331152a4e627b0720c0ab261fae8

  • SHA256

    30ce460b7556cd59def93926bcd3b3e3e2ff24a66f368c9deed7efe7117d0105

  • SHA512

    1a0ef1c47f793d2ec59601626cb6ea42b2b2a086b79df39facaf1c6d65fe24241be02c8c8c5582199dce965f17fbf81d3f6f11045e3f0a9207a6033f5d255a8c

  • SSDEEP

    96:uMk0YizhV1RgcQVx+P50wMmhtbSOyOsluH3:Ovs1EMx0wFHlYU

Score
10/10
remcosremotehostdiscoveryexecutionrat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

me-work.com:7009

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

    remcos

  • mouse_option

    false

  • mutex

    Rmc-3QMI88

  • 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

      c2.hta

    • Size

      5KB

    • MD5

      cbcdda2a4fece3b9fe71dc53b039762d

    • SHA1

      61113f8d33d3331152a4e627b0720c0ab261fae8

    • SHA256

      30ce460b7556cd59def93926bcd3b3e3e2ff24a66f368c9deed7efe7117d0105

    • SHA512

      1a0ef1c47f793d2ec59601626cb6ea42b2b2a086b79df39facaf1c6d65fe24241be02c8c8c5582199dce965f17fbf81d3f6f11045e3f0a9207a6033f5d255a8c

    • SSDEEP

      96:uMk0YizhV1RgcQVx+P50wMmhtbSOyOsluH3:Ovs1EMx0wFHlYU

    Score
    10/10
    discoveryexecutionremcosremotehostrat

    • Remcos

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

      ratremcos

    • Remcos family

      remcos

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

      execution

    • Command and Scripting Interpreter: PowerShell

      Powershell Invoke Web Request.

      execution

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Enumerates processes with tasklist

      discovery
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks