Overview

overview

10

Static

static

RFQ 090701...001.js

windows7_x64

10

RFQ 090701...001.js

windows10_x64

10

Sharing

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General

  • Target

    RFQ 090701-2021-PTSC-HTS-03 - 001.js

  • Size

    27KB

  • Sample

    210907-gqxtvafbgj

  • MD5

    cc01cf8d821a2c3059fe6598d81c8037

  • SHA1

    cbc52f57491f1f11c12d6ab3ee515c5149aaeeb1

  • SHA256

    a745eea0381b55cf2efe28cd6172d38bb1284d49f3f1d506bc010c7be4cb8546

  • SHA512

    d552bc4fd264805a48b33241d34b22cdc995bd8081a596da09c52fc085f79108c045611f839c1689ecc37d3ec75a4afe1e2f20b1ae93bd31985783966070de3b

Score
10/10
remcosvjw0rmreedpersistenceratsuricatatrojanworm

Malware Config

Extracted

Family

remcos

Version

3.2.0 Pro

Botnet

Reed

C2

ezfax2021.home-webserver.de:24133

Attributes
  • audio_folder

    MicRecords

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    iuis.exe

  • copy_folder

    oiujhy

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    true

  • install_flag

    false

  • install_path

    %AppData%

  • keylog_crypt

    true

  • keylog_file

    uhyg.dat

  • keylog_flag

    false

  • keylog_folder

    juhg

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    iuyhg-XOY14N

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    oiu

  • take_screenshot_option

    false

  • take_screenshot_time

    5

  • take_screenshot_title

    notepad;solitaire;

Targets

    • Target

      RFQ 090701-2021-PTSC-HTS-03 - 001.js

    • Size

      27KB

    • MD5

      cc01cf8d821a2c3059fe6598d81c8037

    • SHA1

      cbc52f57491f1f11c12d6ab3ee515c5149aaeeb1

    • SHA256

      a745eea0381b55cf2efe28cd6172d38bb1284d49f3f1d506bc010c7be4cb8546

    • SHA512

      d552bc4fd264805a48b33241d34b22cdc995bd8081a596da09c52fc085f79108c045611f839c1689ecc37d3ec75a4afe1e2f20b1ae93bd31985783966070de3b

    Score
    10/10
    remcosvjw0rmreedpersistenceratsuricatatrojanworm

    • Remcos

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

      ratremcos

    • Vjw0rm

      Vjw0rm is a remote access trojan written in JavaScript.

      trojanwormvjw0rm

    • suricata: ET MALWARE Remocs 3.x Unencrypted Checkin

      suricata: ET MALWARE Remocs 3.x Unencrypted Checkin

      suricata

    • suricata: ET MALWARE Remocs 3.x Unencrypted Server Response

      suricata: ET MALWARE Remocs 3.x Unencrypted Server Response

      suricata

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Drops startup file

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

2
T1112

Install Root Certificate

1
T1130

Credential Access

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks