General

  • Target

    1d8bed0ced5dd41173ed4ea1c9115dc9ad9886e674c29d080cb8ab9b0538b3e6

  • Size

    246KB

  • Sample

    240228-fex5ssbc8s

  • MD5

    4e13689f591b1f5a2b52beb9a3f687e6

  • SHA1

    8ed7ecec05fe1a3bc1d6e52608ee8acc53c8fec3

  • SHA256

    1d8bed0ced5dd41173ed4ea1c9115dc9ad9886e674c29d080cb8ab9b0538b3e6

  • SHA512

    c4a8db72354a86f68be18cf03b0d1adb17a7cf7fd156681ad56fd453eeeb0c3b008855f907eec8c5a193a35ff3d655972ae5f968f784c863bdee99804f91a8c6

  • SSDEEP

    3072:oP8d2mReCDaHgCKkQ53Xgpy3Q5Nq8DkH3JXjs5J949yx:vqDHgyQZUFq8M3t49

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

socks5systemz

C2

http://boeinnz.com/search/?q=67e28dd86a55a428420bf81f7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978f371ea771795af8e05c646db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923b6e8ef614c8ef97

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

      1d8bed0ced5dd41173ed4ea1c9115dc9ad9886e674c29d080cb8ab9b0538b3e6

    • Size

      246KB

    • MD5

      4e13689f591b1f5a2b52beb9a3f687e6

    • SHA1

      8ed7ecec05fe1a3bc1d6e52608ee8acc53c8fec3

    • SHA256

      1d8bed0ced5dd41173ed4ea1c9115dc9ad9886e674c29d080cb8ab9b0538b3e6

    • SHA512

      c4a8db72354a86f68be18cf03b0d1adb17a7cf7fd156681ad56fd453eeeb0c3b008855f907eec8c5a193a35ff3d655972ae5f968f784c863bdee99804f91a8c6

    • SSDEEP

      3072:oP8d2mReCDaHgCKkQ53Xgpy3Q5Nq8DkH3JXjs5J949yx:vqDHgyQZUFq8M3t49

    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

    • 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.

    • Pitou

      Pitou.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Socks5Systemz

      Socks5Systemz is a botnet written in C++.

    • Windows security bypass

    • Modifies boot configuration data using bcdedit

    • Contacts a large (697) amount of remote hosts

      This may indicate a network scan to discover remotely running services.

    • Creates new service(s)

    • 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.

    • 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.

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Windows security modification

    • 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

    • Manipulates WinMon driver.

      Roottkits write to WinMon to hide PIDs from being detected.

    • Manipulates WinMonFS driver.

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

    • 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