General

  • Target

    f125414e6c33771e07ed5b186e765c5c7cbab090deee72d70af657f1b4abf691

  • Size

    244KB

  • Sample

    240226-chxrnaah5t

  • MD5

    43abfd80cbfe8afaa65961856640efc4

  • SHA1

    71614b90bb167b289d6d01d3768727eb6ac61ec5

  • SHA256

    f125414e6c33771e07ed5b186e765c5c7cbab090deee72d70af657f1b4abf691

  • SHA512

    bf84a17d811fcd20602a49121731399517e327cf5b1af015d1967af7d741c1b1b03219da0d62b1d9f8abdd800ef7edca83acb7ca909deffdc5023853ea8b540e

  • SSDEEP

    3072:8w9eEIeQ1hQglTj2jYVr3JRRtjTqEtppNWdtRf8Zm5UrOFoVSqx:7S2u4yr72w4XgrcoVSq

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

      f125414e6c33771e07ed5b186e765c5c7cbab090deee72d70af657f1b4abf691

    • Size

      244KB

    • MD5

      43abfd80cbfe8afaa65961856640efc4

    • SHA1

      71614b90bb167b289d6d01d3768727eb6ac61ec5

    • SHA256

      f125414e6c33771e07ed5b186e765c5c7cbab090deee72d70af657f1b4abf691

    • SHA512

      bf84a17d811fcd20602a49121731399517e327cf5b1af015d1967af7d741c1b1b03219da0d62b1d9f8abdd800ef7edca83acb7ca909deffdc5023853ea8b540e

    • SSDEEP

      3072:8w9eEIeQ1hQglTj2jYVr3JRRtjTqEtppNWdtRf8Zm5UrOFoVSqx:7S2u4yr72w4XgrcoVSq

    • 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.

    • Windows security bypass

    • Modifies boot configuration data using bcdedit

    • 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

    • 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