General

  • Target
    a19f1cdcefaef87c174bb77199939f79.exe
  • Size 327KB
  • Sample210914-ek8caahgfp
  • SHA256 637f0571f59bb06ae7f30a3c99c1c02f70f054bc81e6fa4f8f83ee9ff8abe0d5
  • 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
  • Dohuya

C2
  • 91.142.77.155:5469

Targets

    • Target
      a19f1cdcefaef87c174bb77199939f79.exe
    • Size 327KB
    • SHA256 637f0571f59bb06ae7f30a3c99c1c02f70f054bc81e6fa4f8f83ee9ff8abe0d5
    • 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.

    • suricata: ET MALWARE Known Sinkhole Response Header

      suricata: ET MALWARE Known Sinkhole Response Header

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

    • Downloads MZ/PE file

    • Executes dropped EXE

    • 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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks