Overview

overview

10

Static

static

3

25FC004658...es.exe

windows7-x64

10

25FC004658...es.exe

windows10-2004-x64

10

$PLUGINSDI...em.dll

windows7-x64

3

$PLUGINSDI...em.dll

windows10-2004-x64

3

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General

  • Target

    25FC004658_Femetagershusenes.exe

  • Size

    601KB

  • Sample

    250328-d41acatlt4

  • MD5

    77221f5f2a4984872389759b83446a62

  • SHA1

    07c1d4795c8ec52dff45be198abde62c331ded59

  • SHA256

    d67a5911a1cca695a8e3514e1155c6cc8ace4c1a6b96daf563f6ae3134c6d588

  • SHA512

    bd64bd1be5fc366c600c5c88963e368fa82f31c0e692a27e7a7ce8cad0c5c4ac4d41cbba95e98bb5cfe753c3c157c399a2664b4e490068b18b2c7fe27bf10485

  • SSDEEP

    12288:SDGg/i9HZmS7DpP5AkavuzLiB5Puhrxk/8872b5GmledTRfSCG+sQCVv:jD5PUkwuKB8rxk0omle3VG+shVv

Score
10/10
guloaderremcosparosh newdiscoverydownloaderpersistencerat

Malware Config

Extracted

Family

remcos

Botnet

PAROSH NEW

C2

parosh.didns.ru:3011

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

    true

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    polshmy

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    psh983mn-LGLX6H

  • 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

      25FC004658_Femetagershusenes.exe

    • Size

      601KB

    • MD5

      77221f5f2a4984872389759b83446a62

    • SHA1

      07c1d4795c8ec52dff45be198abde62c331ded59

    • SHA256

      d67a5911a1cca695a8e3514e1155c6cc8ace4c1a6b96daf563f6ae3134c6d588

    • SHA512

      bd64bd1be5fc366c600c5c88963e368fa82f31c0e692a27e7a7ce8cad0c5c4ac4d41cbba95e98bb5cfe753c3c157c399a2664b4e490068b18b2c7fe27bf10485

    • SSDEEP

      12288:SDGg/i9HZmS7DpP5AkavuzLiB5Puhrxk/8872b5GmledTRfSCG+sQCVv:jD5PUkwuKB8rxk0omle3VG+shVv

    Score
    10/10
    guloaderdiscoverydownloaderremcosparosh newpersistencerat

    • Guloader family

      guloader

    • Guloader,Cloudeye

      A shellcode based downloader first seen in 2020.

      downloaderguloader

    • Remcos

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

      ratremcos

    • Remcos family

      remcos

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2

    • Target

      $PLUGINSDIR/System.dll

    • Size

      11KB

    • MD5

      ee260c45e97b62a5e42f17460d406068

    • SHA1

      df35f6300a03c4d3d3bd69752574426296b78695

    • SHA256

      e94a1f7bcd7e0d532b660d0af468eb3321536c3efdca265e61f9ec174b1aef27

    • SHA512

      a98f350d17c9057f33e5847462a87d59cbf2aaeda7f6299b0d49bb455e484ce4660c12d2eb8c4a0d21df523e729222bbd6c820bf25b081bc7478152515b414b3

    • SSDEEP

      192:eF24sihno00Wfl97nH6T2enXwWobpWBTU4VtHT7dmN35Ol9Sl:h8QIl975eXqlWBrz7YLOl9

    Score
    3/10
    discovery
    behavioral3behavioral4

MITRE ATT&CK Enterprise v15

Tasks