General

  • Target

    file.exe

  • Size

    284KB

  • Sample

    231206-fn4zpsbd72

  • MD5

    bd8817f6be378a6d9ac8dd4041243ba7

  • SHA1

    399d1b8cc1cee7b35b51818a0b5596ac9a471302

  • SHA256

    fafefb18817d8b4def57cebf45037ce5c5f563fd0b4803c2551b9888545614f1

  • SHA512

    e41be4cc92dd8983037e4cdf971938952ac82aceafa693346e7b6534bc15eacf52b48aa9b70aab2e39e0d588465edd2791ef94f15f1e98af8b849fa0d3eb2645

  • SSDEEP

    3072:odmY4BB8tJWpH6iEEnVYtzlfT0vEbnhP9h3s4nd2PC+jPttINms:emd46F6iEcu9T1TFj3tnkC+jHIN

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://onualituyrs.org/

http://sumagulituyo.org/

http://snukerukeutit.org/

http://lightseinsteniki.org/

http://liuliuoumumy.org/

http://stualialuyastrelia.net/

http://kumbuyartyty.net/

http://criogetikfenbut.org/

http://tonimiuyaytre.org/

http://tyiuiunuewqy.org/

rc4.i32
rc4.i32

Targets

    • Target

      file.exe

    • Size

      284KB

    • MD5

      bd8817f6be378a6d9ac8dd4041243ba7

    • SHA1

      399d1b8cc1cee7b35b51818a0b5596ac9a471302

    • SHA256

      fafefb18817d8b4def57cebf45037ce5c5f563fd0b4803c2551b9888545614f1

    • SHA512

      e41be4cc92dd8983037e4cdf971938952ac82aceafa693346e7b6534bc15eacf52b48aa9b70aab2e39e0d588465edd2791ef94f15f1e98af8b849fa0d3eb2645

    • SSDEEP

      3072:odmY4BB8tJWpH6iEEnVYtzlfT0vEbnhP9h3s4nd2PC+jPttINms:emd46F6iEcu9T1TFj3tnkC+jHIN

    • Raccoon

      Raccoon is an infostealer written in C++ and first seen in 2019.

    • Raccoon Stealer V2 payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

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

    • Blocklisted process makes network request

    • Checks BIOS information in registry

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

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • 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 Microsoft Outlook profiles

    • 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 v15

Tasks