General

  • Target

    cb0bd08292eba04a78d128440ca59e51.exe

  • Size

    291KB

  • Sample

    231205-h4z2sshg4s

  • MD5

    cb0bd08292eba04a78d128440ca59e51

  • SHA1

    d7064eeb73405ad6397c8b14e6d93422685a53cc

  • SHA256

    806d2bc20d7e24a2de857235b9669d34b1a8444c8c4c7465e215326bbf341b01

  • SHA512

    5eb4993f6b782b7e5b209dfca65c4d7bc3de4cbffc4943faae627f5d41dc9dc669ffbbc60f63a2d6e7e544a087ffaf0096da2e141331fe86ab1a130bdabc8ae9

  • SSDEEP

    3072:cGriOYXdJgq1b/sa5dEFy39TsJhLySlexO+iZ5ULNDVZkTkI:h9va5dAytTsJ9ytxuoLNRiT

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

Extracted

Family

stealc

C2

http://dskflherlkhopihsf.com

Attributes
  • url_path

    /d414f888bed8c202.php

rc4.plain

Targets

    • Target

      cb0bd08292eba04a78d128440ca59e51.exe

    • Size

      291KB

    • MD5

      cb0bd08292eba04a78d128440ca59e51

    • SHA1

      d7064eeb73405ad6397c8b14e6d93422685a53cc

    • SHA256

      806d2bc20d7e24a2de857235b9669d34b1a8444c8c4c7465e215326bbf341b01

    • SHA512

      5eb4993f6b782b7e5b209dfca65c4d7bc3de4cbffc4943faae627f5d41dc9dc669ffbbc60f63a2d6e7e544a087ffaf0096da2e141331fe86ab1a130bdabc8ae9

    • SSDEEP

      3072:cGriOYXdJgq1b/sa5dEFy39TsJhLySlexO+iZ5ULNDVZkTkI:h9va5dAytTsJ9ytxuoLNRiT

    • 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.

    • Stealc

      Stealc is an infostealer written in C++.

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

    • Downloads MZ/PE file

    • 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 data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • 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