General

  • Target

    539dd6e3ffc4e73efae5888de8128d90.exe

  • Size

    245KB

  • Sample

    231126-xnvvgabd98

  • MD5

    539dd6e3ffc4e73efae5888de8128d90

  • SHA1

    778b539897599a9b420d115a3d237e63141baf30

  • SHA256

    2e0d9d1b79eefc3038e7e218c8572d597ebb8fb3a145de7984c5719c9a3e2f78

  • SHA512

    9062db33f0b62ea20ffb384109a52548dc66331585e3cbd8dff52476a8e1c282999344d30bf3d2814f31391c60843435bfa699db29bc7b527feef0772c260629

  • SSDEEP

    3072:SNUthuegNh4CjJK3L1ZnHAOicW6YKFO/p0Aa65zt8h:9xArjw3T+tKFOB06zS

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/

http://humydrole.com/tmp/index.php

http://trunk-co.ru/tmp/index.php

http://weareelight.com/tmp/index.php

http://pirateking.online/tmp/index.php

http://piratia.pw/tmp/index.php

http://go-piratia.ru/tmp/index.php

rc4.i32
rc4.i32
rc4.i32
rc4.i32

Extracted

Family

djvu

C2

http://zexeq.com/lancer/get.php

Attributes
  • extension

    .gycc

  • offline_id

    nN1rRlTxKTPo66pmJEAHwufZ2Dhz4MsNxIlOk6t1

  • payload_url

    http://brusuax.com/dl/build2.exe

    http://zexeq.com/files/1/build3.exe

  • ransomnote

    ATTENTION! Don't worry, you can return all your files! All your files like pictures, databases, documents and other important are encrypted with strongest encryption and unique key. The only method of recovering files is to purchase decrypt tool and unique key for you. This software will decrypt all your encrypted files. What guarantees you have? You can send one of your encrypted file from your PC and we decrypt it for free. But we can decrypt only 1 file for free. File must not contain valuable information. You can get and look video overview decrypt tool: https://we.tl/t-CDZ4hMgp2X Price of private key and decrypt software is $980. Discount 50% available if you contact us first 72 hours, that's price for you is $490. Please note that you'll never restore your data without payment. Check your e-mail "Spam" or "Junk" folder if you don't get answer more than 6 hours. To get this software you need write on our e-mail: [email protected] Reserve e-mail address to contact us: [email protected] Your personal ID: 0829ASdw

rsa_pubkey.plain

Extracted

Family

redline

Botnet

LogsDiller Cloud (Bot: @logsdillabot)

C2

194.49.94.181:40264

Extracted

Family

smokeloader

Botnet

pub1

Targets

    • Target

      539dd6e3ffc4e73efae5888de8128d90.exe

    • Size

      245KB

    • MD5

      539dd6e3ffc4e73efae5888de8128d90

    • SHA1

      778b539897599a9b420d115a3d237e63141baf30

    • SHA256

      2e0d9d1b79eefc3038e7e218c8572d597ebb8fb3a145de7984c5719c9a3e2f78

    • SHA512

      9062db33f0b62ea20ffb384109a52548dc66331585e3cbd8dff52476a8e1c282999344d30bf3d2814f31391c60843435bfa699db29bc7b527feef0772c260629

    • SSDEEP

      3072:SNUthuegNh4CjJK3L1ZnHAOicW6YKFO/p0Aa65zt8h:9xArjw3T+tKFOB06zS

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Glupteba

      Glupteba is a modular loader written in Golang with various components.

    • Glupteba payload

    • Raccoon

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

    • Raccoon Stealer payload

    • 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.

    • Windows security bypass

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

    • Modifies boot configuration data using bcdedit

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Modifies Windows Firewall

    • Possible attempt to disable PatchGuard

      Rootkits can use kernel patching to embed themselves in an operating system.

    • Checks BIOS information in registry

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

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

    • 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.

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Windows security modification

    • Accesses Microsoft Outlook profiles

    • 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

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Manipulates WinMonFS driver.

      Roottkits write to WinMonFS to hide directories/files from being detected.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks