General

  • Target

    00c39991e9994d94f4fc657f7072c7e4137baf5aa27961cf5451daf6b3cda75a.exe

  • Size

    404KB

  • Sample

    241002-bcyakaygrl

  • MD5

    4f828f95c11479c61692052d9254022a

  • SHA1

    68f1fbe839f2d41f434bdde176ccc3e6f38ec503

  • SHA256

    00c39991e9994d94f4fc657f7072c7e4137baf5aa27961cf5451daf6b3cda75a

  • SHA512

    91cc6dc01a62337c542c31337057653c5e41ae7b88621bc1041786a260a5b78fb834869ce8aeca05ab8263c45a41fa7833ee262440d157206b1ddae675d814f5

  • SSDEEP

    12288:V/Cb1GLhpCd9pwh7vCOT1VVx3nH8fwxa/bEO:VD6MPTHVRPxqt

Malware Config

Extracted

Family

vidar

Version

11

Botnet

8b4d47586874b08947203f03e4db3962

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

Extracted

Family

lumma

C2

https://questionsmw.store/api

https://soldiefieop.site/api

https://abnomalrkmu.site/api

https://treatynreit.site/api

https://snarlypagowo.site/api

https://mysterisop.site/api

https://absorptioniw.site/api

https://gravvitywio.store/api

Extracted

Family

stealc

Botnet

default

C2

http://46.8.231.109

Attributes
  • url_path

    /c4754d4f680ead72.php

Targets

    • Target

      00c39991e9994d94f4fc657f7072c7e4137baf5aa27961cf5451daf6b3cda75a.exe

    • Size

      404KB

    • MD5

      4f828f95c11479c61692052d9254022a

    • SHA1

      68f1fbe839f2d41f434bdde176ccc3e6f38ec503

    • SHA256

      00c39991e9994d94f4fc657f7072c7e4137baf5aa27961cf5451daf6b3cda75a

    • SHA512

      91cc6dc01a62337c542c31337057653c5e41ae7b88621bc1041786a260a5b78fb834869ce8aeca05ab8263c45a41fa7833ee262440d157206b1ddae675d814f5

    • SSDEEP

      12288:V/Cb1GLhpCd9pwh7vCOT1VVx3nH8fwxa/bEO:VD6MPTHVRPxqt

    • Detect Vidar Stealer

    • Lumma Stealer, LummaC

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

    • Stealc

      Stealc is an infostealer written in C++.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • 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

    • Checks installed software on the system

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks