General

  • Target

    cb2c3ead655928f6de339b184c1996729f1b54614afcae9a271d6a36c866a3bd.exe

  • Size

    1.8MB

  • Sample

    241217-e7adrs1jgz

  • MD5

    68a13aa2834765a18fc577743c2ba964

  • SHA1

    9dffcb3cb8a051e80c5559e36ca554b17573c221

  • SHA256

    cb2c3ead655928f6de339b184c1996729f1b54614afcae9a271d6a36c866a3bd

  • SHA512

    7984150efe2ca7aec4d49699cdd127d47efb7f6973ce1f05ce271222622df86e2d2a3d574089744e413473445c560356a8ae11d2ce0b63ef532c5fb5042fafaa

  • SSDEEP

    49152:qJPtouWMWRnTQfAqUAPt+1LtnjMgkD6qxYUW:qJPBY6v5PkLtnjuUb

Malware Config

Extracted

Family

lumma

C2

https://sordid-snaked.cyou/api

https://awake-weaves.cyou/api

https://wrathful-jammy.cyou/api

https://debonairnukk.xyz/api

https://diffuculttan.xyz/api

https://effecterectz.xyz/api

https://deafeninggeh.biz/api

https://immureprech.biz/api

https://tacitglibbr.biz/api

Extracted

Family

stealc

Botnet

stok

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Extracted

Family

lumma

C2

https://tacitglibbr.biz/api

Targets

    • Target

      cb2c3ead655928f6de339b184c1996729f1b54614afcae9a271d6a36c866a3bd.exe

    • Size

      1.8MB

    • MD5

      68a13aa2834765a18fc577743c2ba964

    • SHA1

      9dffcb3cb8a051e80c5559e36ca554b17573c221

    • SHA256

      cb2c3ead655928f6de339b184c1996729f1b54614afcae9a271d6a36c866a3bd

    • SHA512

      7984150efe2ca7aec4d49699cdd127d47efb7f6973ce1f05ce271222622df86e2d2a3d574089744e413473445c560356a8ae11d2ce0b63ef532c5fb5042fafaa

    • SSDEEP

      49152:qJPtouWMWRnTQfAqUAPt+1LtnjMgkD6qxYUW:qJPBY6v5PkLtnjuUb

    • Lumma Stealer, LummaC

      Lumma or LummaC is an infostealer written in C++ first seen in August 2022.

    • Lumma family

    • Modifies Windows Defender Real-time Protection settings

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Downloads MZ/PE file

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Executes dropped EXE

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Loads dropped DLL

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Windows security modification

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks