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Overview

overview

10

Static

static

1

e5ec544c99...02.vbs

windows7-x64

10

e5ec544c99...02.vbs

windows10-2004-x64

10

Sharing

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General

  • Target

    e5ec544c99937977cbd0e3df39fcf93f234ff1855ceb23a758a98ba1dfa0c002.vbs

  • Size

    279KB

  • Sample

    240424-cetktsea7x

  • MD5

    d51dd423c5f2103977df604208989252

  • SHA1

    4944a47a3a05658a7fec601bf526c7913832c587

  • SHA256

    e5ec544c99937977cbd0e3df39fcf93f234ff1855ceb23a758a98ba1dfa0c002

  • SHA512

    e91bc05bd874233aa264b244ae0ff0faa0fed6ca4161d2af89f8da4099b79c55b6837cf14416a5e1031faf80cf46b3a821803c432a5d7cc99798367509647709

  • SSDEEP

    6144:L6dAYDLBLW+8A1ytW3xrbjsSFuHeEC57kdmXl45zaoGGqAP3MQ9scOb987HIJFJW:WnS2ImtCo5inX

Score
10/10
guloaderremcosremotehostdownloaderpersistencerat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

79.110.62.35:2404

Attributes
  • audio_folder

    MicRecords

  • 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-54PBH4

  • 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

      e5ec544c99937977cbd0e3df39fcf93f234ff1855ceb23a758a98ba1dfa0c002.vbs

    • Size

      279KB

    • MD5

      d51dd423c5f2103977df604208989252

    • SHA1

      4944a47a3a05658a7fec601bf526c7913832c587

    • SHA256

      e5ec544c99937977cbd0e3df39fcf93f234ff1855ceb23a758a98ba1dfa0c002

    • SHA512

      e91bc05bd874233aa264b244ae0ff0faa0fed6ca4161d2af89f8da4099b79c55b6837cf14416a5e1031faf80cf46b3a821803c432a5d7cc99798367509647709

    • SSDEEP

      6144:L6dAYDLBLW+8A1ytW3xrbjsSFuHeEC57kdmXl45zaoGGqAP3MQ9scOb987HIJFJW:WnS2ImtCo5inX

    Score
    10/10
    guloaderdownloaderpersistenceremcosremotehostrat

    • Guloader,Cloudeye

      A shellcode based downloader first seen in 2020.

      downloaderguloader

    • Remcos

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

      ratremcos

    • Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)

    • Blocklisted process makes network request

    • Adds Run key to start application

      persistence

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks