Resubmissions

10-04-2024 03:08

240410-dmyp7afg6z 10

10-04-2024 03:08

240410-dmwktsce27 10

10-04-2024 03:08

240410-dmv93ace26 10

10-04-2024 03:08

240410-dmvnjafg6v 10

25-02-2024 05:02

240225-fpkmfsch6t 10

General

  • Target

    66cab13aed3126ab1755e139bf5c2a9c7782dfd36ebeb7078045b5ec107dc4a3.exe

  • Size

    253KB

  • Sample

    240225-fpkmfsch6t

  • MD5

    74b0cc79808464e9946c8fb16d430173

  • SHA1

    1de066f1a9196d57221970199e814b6f1bc81465

  • SHA256

    66cab13aed3126ab1755e139bf5c2a9c7782dfd36ebeb7078045b5ec107dc4a3

  • SHA512

    dddd2b0aab694a236beaaa36d34e344c239e8d4e776c0b80b96d26188cc9051fb78dcbb2a20f6fd780601774827b3906621d437d9c457d38a2af338d80bb9c6c

  • SSDEEP

    3072:ylObaRVtZ5HNtWb1eikps2axEZ40kYT6rWwFdyXMnC5zuSzuATz:kO2tZhNtutkp5Z40kG6rWwSLkAT

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

stealc

C2

http://185.172.128.145

Attributes
  • url_path

    /3cd2b41cbde8fc9c.php

Extracted

Family

lumma

C2

https://resergvearyinitiani.shop/api

https://technologyenterdo.shop/api

Targets

    • Target

      66cab13aed3126ab1755e139bf5c2a9c7782dfd36ebeb7078045b5ec107dc4a3.exe

    • Size

      253KB

    • MD5

      74b0cc79808464e9946c8fb16d430173

    • SHA1

      1de066f1a9196d57221970199e814b6f1bc81465

    • SHA256

      66cab13aed3126ab1755e139bf5c2a9c7782dfd36ebeb7078045b5ec107dc4a3

    • SHA512

      dddd2b0aab694a236beaaa36d34e344c239e8d4e776c0b80b96d26188cc9051fb78dcbb2a20f6fd780601774827b3906621d437d9c457d38a2af338d80bb9c6c

    • SSDEEP

      3072:ylObaRVtZ5HNtWb1eikps2axEZ40kYT6rWwFdyXMnC5zuSzuATz:kO2tZhNtutkp5Z40kG6rWwSLkAT

    • 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.

    • Stealc

      Stealc is an infostealer written in C++.

    • Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)

    • Detects Windows executables referencing non-Windows User-Agents

    • Detects executables Discord URL observed in first stage droppers

    • Detects executables containing URLs to raw contents of a Github gist

    • Detects executables containing artifacts associated with disabling Widnows Defender

    • Detects executables packed with VMProtect.

    • Detects executables referencing many varying, potentially fake Windows User-Agents

    • UPX dump on OEP (original entry point)

    • Contacts a large (569) amount of remote hosts

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

    • Creates new service(s)

    • Downloads MZ/PE file

    • Stops running service(s)

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

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

    • Adds Run key to start application

    • Writes to the Master Boot Record (MBR)

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks