General

  • Target

    b8de92d5a5c7025ca71678bdd7ae4b8efd361ff07cd6ed2672bd96d8c4d04012.exe

  • Size

    1.7MB

  • Sample

    241218-dt46jsslar

  • MD5

    4f6afde2bd74791f9ea1e3d296f30ddf

  • SHA1

    90c461c881e033ad04dc851c88ed3b431205eea0

  • SHA256

    b8de92d5a5c7025ca71678bdd7ae4b8efd361ff07cd6ed2672bd96d8c4d04012

  • SHA512

    77706f89c121143364dd64f072263866dcbf10da5a2adfadc8c22d1b660031095cedc562cf5d08f35047ca8896958d897f49666e0aaf34caba65a7c15326891d

  • SSDEEP

    49152:U7UDg3tafPzDwhEoxfmymH6xPXpF0edh4vw5bmrb6:mUJDYETp6xvdh4I5b

Malware Config

Extracted

Family

lumma

Extracted

Family

stealc

Botnet

stok

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Targets

    • Target

      b8de92d5a5c7025ca71678bdd7ae4b8efd361ff07cd6ed2672bd96d8c4d04012.exe

    • Size

      1.7MB

    • MD5

      4f6afde2bd74791f9ea1e3d296f30ddf

    • SHA1

      90c461c881e033ad04dc851c88ed3b431205eea0

    • SHA256

      b8de92d5a5c7025ca71678bdd7ae4b8efd361ff07cd6ed2672bd96d8c4d04012

    • SHA512

      77706f89c121143364dd64f072263866dcbf10da5a2adfadc8c22d1b660031095cedc562cf5d08f35047ca8896958d897f49666e0aaf34caba65a7c15326891d

    • SSDEEP

      49152:U7UDg3tafPzDwhEoxfmymH6xPXpF0edh4vw5bmrb6:mUJDYETp6xvdh4I5b

    • 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