Overview

overview

10

Static

static

1

msword.exe

windows7-x64

10

msword.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    f8da5138b7d263f65764322238671548576394e132044f5ffc8481ecca55cfb0.zip

  • Size

    3.2MB

  • Sample

    250108-dt1s5atqap

  • MD5

    3c97edf50c43dea05a8d6704560e93c3

  • SHA1

    bc350c8344241207c13ce9b777014fee5035e102

  • SHA256

    f8da5138b7d263f65764322238671548576394e132044f5ffc8481ecca55cfb0

  • SHA512

    af8fd5ab1effbfb789705834f4502b60122e919c8dc3d89508f14691ce688c00de9a04d128997d51acf260ea229e9c30ddfc95f3f91e4047500ae56383b77ae4

  • SSDEEP

    24576:N0rA6ahiIQlCG6xs6b/dCMnimOP0TBepVjSIZFMw+zK1QAqcqINtBb:N0r5D6W6bhniN0TBejtyw7lqIjBb

Score
10/10
remcosremotehostdiscoveryrat

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

      msword.exe

    • Size

      570.0MB

    • MD5

      be34e4b65eda2dfbcbbcc9ff5dfae81f

    • SHA1

      f2fd41c71b2dd94884586d35ebabc31eab5c864a

    • SHA256

      49392f5be44f57fcd7e91df566fa4a3544174ef83e2b66768b04ea7a4ad774d1

    • SHA512

      7f433d2fe6bc8ab97d96761a1ae14615c9eed278bcaae591b3e85ea89279ca77f845715644df27349fc1094e69a4d21a1604f5b36787ede45589c262b6d3e108

    • SSDEEP

      24576:Ddh/TQ8lCGwfae/DdysbyC6PW//Epzjuc/9c+OzERQqq0GIxJBM:xwSe/fby9W//EpBe+BxGIfBM

    Score
    10/10
    remcosremotehostdiscoveryrat

    • Remcos

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

      ratremcos

    • Remcos family

      remcos

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Enumerates processes with tasklist

      discovery
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks