General

  • Target

    72730de398786e8f7d02e5edfe8a46295ac8bd71d1b35b66f89adecd126da57f

  • Size

    237KB

  • Sample

    210919-hwkxxaedbn

  • MD5

    51575a51d482b8ea373a714127059222

  • SHA1

    a8c6eb403ff2e166de31320ce0e92245d25a1e71

  • SHA256

    72730de398786e8f7d02e5edfe8a46295ac8bd71d1b35b66f89adecd126da57f

  • SHA512

    329f358353cd9ca10cce1156b9f297a2ac2f48b5ace0ec197e425e68e9a16971535f01479c58136d28b261eaa8505151addc73d09144d86c1f576783ba3e6e38

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://venerynnet1.top/

http://kevonahira2.top/

http://vegangelist3.top/

http://kingriffaele4.top/

http://arakeishant5.top/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

UDP

C2

45.9.20.20:13441

Targets

    • Target

      72730de398786e8f7d02e5edfe8a46295ac8bd71d1b35b66f89adecd126da57f

    • Size

      237KB

    • MD5

      51575a51d482b8ea373a714127059222

    • SHA1

      a8c6eb403ff2e166de31320ce0e92245d25a1e71

    • SHA256

      72730de398786e8f7d02e5edfe8a46295ac8bd71d1b35b66f89adecd126da57f

    • SHA512

      329f358353cd9ca10cce1156b9f297a2ac2f48b5ace0ec197e425e68e9a16971535f01479c58136d28b261eaa8505151addc73d09144d86c1f576783ba3e6e38

    • 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 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

    • 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 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

    • 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

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks