Resubmissions

26-02-2024 01:57

240226-cdm2naaa99 10

26-02-2024 01:47

240226-b7yvkshg95 10

General

  • Target

    0bde5aeee6547d5fefd4d736958e5ccc14feebf3e7e8bf2142573fff6b73d297

  • Size

    136KB

  • Sample

    240226-b7yvkshg95

  • MD5

    4e561b93dd483b04489b0f795b511305

  • SHA1

    f6c3fbb2c546affcd2ce431eeb194e04b46e27e0

  • SHA256

    0bde5aeee6547d5fefd4d736958e5ccc14feebf3e7e8bf2142573fff6b73d297

  • SHA512

    a1d17a6c4f7a1765ccbf9f39213b12510386a7a28e9b916a17628353dd8b82c34cd8eeb5faf0ed0f10a1d6b936bec6a946d99c6f35441613c019eebf8034036e

  • SSDEEP

    3072:U2RLMRy16xtrkp7dZhjNKvnXcisJTZFR:gM16xtrSdHj0fFg

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

      0bde5aeee6547d5fefd4d736958e5ccc14feebf3e7e8bf2142573fff6b73d297

    • Size

      136KB

    • MD5

      4e561b93dd483b04489b0f795b511305

    • SHA1

      f6c3fbb2c546affcd2ce431eeb194e04b46e27e0

    • SHA256

      0bde5aeee6547d5fefd4d736958e5ccc14feebf3e7e8bf2142573fff6b73d297

    • SHA512

      a1d17a6c4f7a1765ccbf9f39213b12510386a7a28e9b916a17628353dd8b82c34cd8eeb5faf0ed0f10a1d6b936bec6a946d99c6f35441613c019eebf8034036e

    • SSDEEP

      3072:U2RLMRy16xtrkp7dZhjNKvnXcisJTZFR:gM16xtrSdHj0fFg

    • 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

    • Contacts a large (801) amount of remote hosts

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

    • Creates new service(s)

    • Downloads MZ/PE file

    • 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.

    • 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 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