General

  • Target

    1cd3c2e75712a802da37953a5353c2dd.exe

  • Size

    246KB

  • Sample

    240227-vzs4xafa36

  • MD5

    1cd3c2e75712a802da37953a5353c2dd

  • SHA1

    dbf518d4fd9a0a81e9135298b2324a0b233ec1eb

  • SHA256

    5aa92bfd228195b36e88e6b22e27a4802596d1c7803d20b0d943f0207e563844

  • SHA512

    6911c246d7e4ce906a02c10a5d2200ee8e24beb3a2e2797d38893c198449748e8e0b044787b6014a1dc60fe2e90308927679ef132586d284bab4e66e0b2830bb

  • SSDEEP

    3072:0He/xSqNDIlSbDq8jy5MjuU1wotF/BY/aiW86zXlAwm4o6FoYijJQXj6Kl5Jc3x:XZWlSyYygKotQr6OwM6zkSWKB

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://selebration17io.io/index.php

http://vacantion18ffeu.cc/index.php

http://valarioulinity1.net/index.php

http://buriatiarutuhuob.net/index.php

http://cassiosssionunu.me/index.php

http://sulugilioiu19.net/index.php

http://goodfooggooftool.net/index.php

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

http://souzhensil.ru/tmp/index.php

http://teplokub.com.ua/tmp/index.php

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

Extracted

Family

smokeloader

Botnet

pub1

Extracted

Family

lumma

C2

https://resergvearyinitiani.shop/api

https://technologyenterdo.shop/api

https://detectordiscusser.shop/api

https://turkeyunlikelyofw.shop/api

https://associationokeo.shop/api

Targets

    • Target

      1cd3c2e75712a802da37953a5353c2dd.exe

    • Size

      246KB

    • MD5

      1cd3c2e75712a802da37953a5353c2dd

    • SHA1

      dbf518d4fd9a0a81e9135298b2324a0b233ec1eb

    • SHA256

      5aa92bfd228195b36e88e6b22e27a4802596d1c7803d20b0d943f0207e563844

    • SHA512

      6911c246d7e4ce906a02c10a5d2200ee8e24beb3a2e2797d38893c198449748e8e0b044787b6014a1dc60fe2e90308927679ef132586d284bab4e66e0b2830bb

    • SSDEEP

      3072:0He/xSqNDIlSbDq8jy5MjuU1wotF/BY/aiW86zXlAwm4o6FoYijJQXj6Kl5Jc3x:XZWlSyYygKotQr6OwM6zkSWKB

    • Glupteba

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

    • Glupteba payload

    • Lumma Stealer

      An infostealer written in C++ first seen in August 2022.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • XMRig Miner payload

    • Creates new service(s)

    • Downloads MZ/PE file

    • Stops running service(s)

    • 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.

    • UPX packed file

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

    • 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.

    • Legitimate hosting services abused for malware hosting/C2

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks