General

  • Target

    3b914f143432c17ca607ba232ba0122f78096dc04dd7ce3d297ed0036f3b1545.exe

  • Size

    403KB

  • Sample

    240926-bt3avaygkm

  • MD5

    77011ba24d1088a963898abc72c6e129

  • SHA1

    08a84da40cb625471026568b2399538399b44f98

  • SHA256

    3b914f143432c17ca607ba232ba0122f78096dc04dd7ce3d297ed0036f3b1545

  • SHA512

    91e07652791eb55cc4684a97daa119cea2608e03b213675b43751aac9682955e6f36dc7b0ebf471778063182312abbc1dfb9925f95c29399daaeac614c933ba6

  • SSDEEP

    12288:uJ8GsZTOusN+VVrto1ma41z1esugf9xmolEO:uJ8vTOFN+VVZo1ma4B1eQ/met

Malware Config

Extracted

Family

vidar

Version

11

Botnet

58cd250b15e666e5f72fcf5caa6cb131

C2

https://steamcommunity.com/profiles/76561199780418869

https://t.me/ae5ed

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:130.0) Gecko/20100101 Firefox/130.0

Extracted

Family

lumma

C2

https://drawzhotdog.shop/api

https://gutterydhowi.shop/api

https://ghostreedmnu.shop/api

https://offensivedzvju.shop/api

Targets

    • Target

      3b914f143432c17ca607ba232ba0122f78096dc04dd7ce3d297ed0036f3b1545.exe

    • Size

      403KB

    • MD5

      77011ba24d1088a963898abc72c6e129

    • SHA1

      08a84da40cb625471026568b2399538399b44f98

    • SHA256

      3b914f143432c17ca607ba232ba0122f78096dc04dd7ce3d297ed0036f3b1545

    • SHA512

      91e07652791eb55cc4684a97daa119cea2608e03b213675b43751aac9682955e6f36dc7b0ebf471778063182312abbc1dfb9925f95c29399daaeac614c933ba6

    • SSDEEP

      12288:uJ8GsZTOusN+VVrto1ma41z1esugf9xmolEO:uJ8vTOFN+VVZo1ma4B1eQ/met

    • Detect Vidar Stealer

    • Lumma Stealer, LummaC

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

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Downloads MZ/PE file

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Drops startup file

    • 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.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • 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.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks