Overview

overview

10

Static

static

Scan Copy06.js

windows7-x64

10

Scan Copy06.js

windows10-2004-x64

10

Sharing

Copy URL Twitter E-mail

General

  • Target

    Scan Copy06.js

  • Size

    873KB

  • Sample

    221121-k5llxacf49

  • MD5

    90a8d36688fde3d0e06e101388baf1e1

  • SHA1

    f36ba8657a332a72996c5aee51d3af45a68bbcb5

  • SHA256

    6a9869c98547c0566c4f3462ab529cc0a72e9c5f35f5767773575196f68f44ab

  • SHA512

    492e5d2e7a3a05906b6a521f6e6c8dafb6c32fd6da2a4075d69429f1750053302e81e96d5e282cd7281b3f9d53586f104ee6afbc59398d2d7b918e97d693c0dd

  • SSDEEP

    12288:nBi1CUqtHhlYWwP2r0dNB8wDzyNfQyp/Yx76SKFRtYFhAc/kdP1WgZwfraDCa:nBizUDOyid0p

Score
10/10
remcosvjw0rmremotehostevasionpersistencerattrojanworm

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

45.139.105.174:3132

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

    true

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-Y0T2QT

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    Remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      Scan Copy06.js

    • Size

      873KB

    • MD5

      90a8d36688fde3d0e06e101388baf1e1

    • SHA1

      f36ba8657a332a72996c5aee51d3af45a68bbcb5

    • SHA256

      6a9869c98547c0566c4f3462ab529cc0a72e9c5f35f5767773575196f68f44ab

    • SHA512

      492e5d2e7a3a05906b6a521f6e6c8dafb6c32fd6da2a4075d69429f1750053302e81e96d5e282cd7281b3f9d53586f104ee6afbc59398d2d7b918e97d693c0dd

    • SSDEEP

      12288:nBi1CUqtHhlYWwP2r0dNB8wDzyNfQyp/Yx76SKFRtYFhAc/kdP1WgZwfraDCa:nBizUDOyid0p

    Score
    10/10
    remcosvjw0rmremotehostevasionpersistencerattrojanworm

    • Remcos

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

      ratremcos

    • UAC bypass

      evasiontrojan

    • Vjw0rm

      Vjw0rm is a remote access trojan written in JavaScript.

      trojanwormvjw0rm

    • Blocklisted process makes network request

    • Executes dropped EXE

    • Checks computer location settings

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

    • Drops startup file

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks