General

  • Target
    afcc4b04e2eab31521da31eacb1e937f.exe
  • Size 228KB
  • Sample211109-ccph4abdhn
  • SHA256 5f963d03d89af1f8884fdabc754589aa619cfe95bde8671601ab632bcc6aaa69
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • smokeloader

Version
  • 2020

C2
  • http://nalirou70.top/

  • http://xacokuo80.top/

  • http://nusurtal4f.net/

  • http://netomishnetojuk.net/

  • http://escalivrouter.net/

  • http://nick22doom4.net/

  • http://wrioshtivsio.su/

  • http://nusotiso4.su/

  • http://rickkhtovkka.biz/

  • http://palisotoliso.net/

rc4.i32
rc4.i32
rc4.i32
rc4.i32

Extracted

Family
  • tofsee

C2
  • quadoil.ru

  • lakeflex.ru

Extracted

Family
  • redline

Botnet
  • SuperStar

C2
  • 185.215.113.29:36224

Extracted

Family
  • redline

Botnet
  • new3

C2
  • 93.115.20.139:28978

Extracted

Family
  • icedid

Botnet
  • 1217670233

C2
  • lakogrefop.rest

  • hangetilin.top

  • follytresh.co

  • zojecurf.store

Attributes
  • auth_var

    14

  • url_path

    /posts/

Extracted

Family
  • redline

Botnet
  • 1132044836

C2
  • 185.183.32.184:80

Extracted

Family
  • raccoon

Botnet
  • 8dec62c1db2959619dca43e02fa46ad7bd606400

Attributes
  • url4cnc

    http://telegin.top/capibar

    http://ttmirror.top/capibar

    http://teletele.top/capibar

    http://telegalive.top/capibar

    http://toptelete.top/capibar

    http://telegraf.top/capibar

    https://t.me/capibar

rc4.plain
rc4.plain

Extracted

Family
  • raccoon

Version
  • 1.8.3-hotfix

Botnet
  • 65d90e36e3587fb188a3d819652094e85ff22e28

Attributes
  • url4cnc

    http://178.23.190.57/redhe1r2

    http://91.219.236.162/redhe1r2

    http://185.163.47.176/redhe1r2

    http://193.38.54.238/redhe1r2

    http://74.119.192.122/redhe1r2

    http://91.219.236.240/redhe1r2

    https://t.me/redhe1r2

rc4.plain
rc4.plain

Targets

    • Target
      afcc4b04e2eab31521da31eacb1e937f.exe
    • Size 228KB
    • SHA256 5f963d03d89af1f8884fdabc754589aa619cfe95bde8671601ab632bcc6aaa69
    • MD5 SHA1 SHA512
    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • IcedID, BokBot

      IcedID is a banking trojan capable of stealing credentials.

    • Raccoon

      Simple but powerful infostealer which was very active in 2019.

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine Payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Tofsee

      Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Windows security bypass

    • suricata: ET MALWARE Known Sinkhole Response Header

      suricata: ET MALWARE Known Sinkhole Response Header

    • suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request

      suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request

    • suricata: ET MALWARE Sharik/Smoke CnC Beacon 11

      suricata: ET MALWARE Sharik/Smoke CnC Beacon 11

    • suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)

      suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)

    • suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload

      suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload

    • suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil

      suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Vidar Stealer

    • XMRig Miner Payload

    • Creates new service(s)

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Modifies Windows Firewall

    • Sets service image path in registry

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Deletes itself

    • Loads dropped DLL

    • Modifies file permissions

    • Reads user/profile data of web browsers

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

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • 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.

    • Checks whether UAC is enabled

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks