General

  • Target
    66C36989BE74F756DE04E43A0E975242.exe
  • Size 246KB
  • Sample210910-qsc2wsdcbr
  • SHA256 37b4ecc82510180fafd3190e86be4d714caa2522f3475fd8e8debbacb6fc3e38
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • smokeloader

Version
  • 2020

C2
  • http://fazanaharahe1.xyz/

  • http://xandelissane2.xyz/

  • http://ustiassosale3.xyz/

  • http://cytheriata4.xyz/

  • http://ggiergionard5.xyz/

  • http://rrelleynaniy6.store/

  • http://danniemusoa7.store/

  • http://nastanizab8.store/

  • http://onyokandis9.store/

  • http://dmunaavank10.store/

  • http://gilmandros11.site/

  • http://cusanthana12.site/

  • http://willietjeana13.site/

  • http://ximusokall14.site/

  • http://blodinetisha15.site/

  • http://urydiahadyss16.club/

  • http://glasamaddama17.club/

  • http://marlingarly18.club/

  • http://alluvianna19.club/

  • http://xandirkaniel20.club/

rc4.i32
rc4.i32

Extracted

Family
  • redline

Botnet
  • installinfo8

C2
  • 146.70.35.170:30905

Extracted

Family
  • raccoon

Botnet
  • e89524de1a131be43c3cc9ec324dabb6a9998c12

Attributes
  • url4cnc

    https://telete.in/httpnotdetect1

rc4.plain
rc4.plain

Extracted

Family
  • raccoon

Botnet
  • 6e76410dbdf2085ebcf2777560bd8cb0790329c9

Attributes
  • url4cnc

    https://telete.in/bibiOutriggr1

rc4.plain
rc4.plain

Extracted

Family
  • redline

Botnet
  • proliv10ytro

C2
  • 45.14.49.167:5096

Targets

    • Target
      66C36989BE74F756DE04E43A0E975242.exe
    • Size 246KB
    • SHA256 37b4ecc82510180fafd3190e86be4d714caa2522f3475fd8e8debbacb6fc3e38
    • MD5 SHA1 SHA512
    • 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.

    • Tofsee

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

    • Windows security bypass

    • suricata: ET MALWARE Known Sinkhole Response Header

      suricata: ET MALWARE Known Sinkhole Response Header

    • suricata: ET MALWARE Sharik/Smoke CnC Beacon 11

      suricata: ET MALWARE Sharik/Smoke CnC Beacon 11

    • xmrig

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

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

    • XMRig Miner Payload

    • Blocklisted process makes network request

    • 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

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • 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

    • 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

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks