General

  • Target

    fe6913f27719e418e1976b24e0be79b09a0652b982dad5be27493c6737ad3b6d

  • Size

    162KB

  • Sample

    240229-fvmzrsee45

  • MD5

    5ab72c03b527d319348115388391fc7d

  • SHA1

    88c6c768151fc8c9df06e9f59e35f8e5c9c9daef

  • SHA256

    fe6913f27719e418e1976b24e0be79b09a0652b982dad5be27493c6737ad3b6d

  • SHA512

    94bbfe98d55c1afcebd55f24f310de666b3dda7fd97f3ff68dc094729760c4ef817ed5e968ea4685aa151e27f255b8c697d19889e018e7cc8e5c30fc3f2c2f88

  • SSDEEP

    3072:jA1VHhDGjSmqhnbYVqQTFvtmCkplY1zLE:jGVHhBmgb9cVCi1zL

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

      fe6913f27719e418e1976b24e0be79b09a0652b982dad5be27493c6737ad3b6d

    • Size

      162KB

    • MD5

      5ab72c03b527d319348115388391fc7d

    • SHA1

      88c6c768151fc8c9df06e9f59e35f8e5c9c9daef

    • SHA256

      fe6913f27719e418e1976b24e0be79b09a0652b982dad5be27493c6737ad3b6d

    • SHA512

      94bbfe98d55c1afcebd55f24f310de666b3dda7fd97f3ff68dc094729760c4ef817ed5e968ea4685aa151e27f255b8c697d19889e018e7cc8e5c30fc3f2c2f88

    • SSDEEP

      3072:jA1VHhDGjSmqhnbYVqQTFvtmCkplY1zLE:jGVHhBmgb9cVCi1zL

    • 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

    • 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.

    • 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 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