General

  • Target

    zxcv.EXE

  • Size

    1.1MB

  • Sample

    220601-tyez8aeahl

  • MD5

    c3f533c47a2f995cd4b5d16653698609

  • SHA1

    223cfb523ff8b64b339a34db3808dc6a386752a4

  • SHA256

    672fea64c92edc4d937d3132577b65813738bfddeab6a6b3ef35e6fa4b987009

  • SHA512

    6f6635c7864f675f0f9dfe315c5a7aeef93da7ca91b6016eed8506b7e1c809de8031f9659f87339f58e807a6d59b83214896af5ba71659b0b9e50511a1c91761

Malware Config

Extracted

Family

arkei

Botnet

Default

Extracted

Family

azorult

C2

http://195.245.112.115/index.php

Extracted

Family

remcos

Botnet

05282022

C2

nikahuve.ac.ug:6968

kalskala.ac.ug:6968

tuekisaa.ac.ug:6968

parthaha.ac.ug:6968

Attributes
  • audio_folder

    MicRecords

  • audio_path

    %AppData%

  • 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

  • install_path

    %AppData%

  • keylog_crypt

    true

  • keylog_file

    scxs.dat

  • keylog_flag

    false

  • keylog_folder

    forbas

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    cvxyttydfsgbghfgfhtd-SPVWAO

  • 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

  • take_screenshot_title

    notepad;solitaire;

Targets

    • Target

      zxcv.EXE

    • Size

      1.1MB

    • MD5

      c3f533c47a2f995cd4b5d16653698609

    • SHA1

      223cfb523ff8b64b339a34db3808dc6a386752a4

    • SHA256

      672fea64c92edc4d937d3132577b65813738bfddeab6a6b3ef35e6fa4b987009

    • SHA512

      6f6635c7864f675f0f9dfe315c5a7aeef93da7ca91b6016eed8506b7e1c809de8031f9659f87339f58e807a6d59b83214896af5ba71659b0b9e50511a1c91761

    • Arkei

      Arkei is an infostealer written in C++.

    • Azorult

      An information stealer that was first discovered in 2016, targeting browsing history and passwords.

    • Remcos

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

    • suricata: ET MALWARE Base64 Encoded Stealer Config from Server - APPDATA or USERPROFILE Environment Variable M4

      suricata: ET MALWARE Base64 Encoded Stealer Config from Server - APPDATA or USERPROFILE Environment Variable M4

    • suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

      suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

    • suricata: ET MALWARE Win32/AZORult V3.3 Client Checkin M15

      suricata: ET MALWARE Win32/AZORult V3.3 Client Checkin M15

    • suricata: ET MALWARE Win32/Vidar Variant/Mars Stealer CnC Exfil

      suricata: ET MALWARE Win32/Vidar Variant/Mars Stealer CnC Exfil

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Collection

Data from Local System

2
T1005

Tasks