General

  • Target

    5dd74b81e1e9f3ab155e1603a2fa793b.bin

  • Size

    276KB

  • Sample

    240913-bl5e8swgja

  • MD5

    7aef635a480da3382822447d28dd0868

  • SHA1

    99799042dd52dab0ded512818bc2ed83ceae074e

  • SHA256

    27dbf73df8da215f431c7876c5e9dc9cac9e14771aa687aceef3d6a230f0b6c7

  • SHA512

    57bc2789943dd619821c61efc93031afc041f47c931115b47df95b8e7a0f08aeec8409edecdf828fdfbe8e35716ca21f1421d89b809cc5ebd29b81ebd2c49c64

  • SSDEEP

    6144:j6/1g2r1eNkpZB+TI1zDU85WDgXQsCPXdDxm5GfdoiKjl:j6/15UNkd+TI1zDUiQXs0N1m5PiKR

Malware Config

Extracted

Family

vidar

C2

https://t.me/edm0d

https://steamcommunity.com/profiles/76561199768374681

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36 OPR/110.0.0.0

Extracted

Family

stealc

Botnet

default

C2

http://46.8.231.109

Attributes
  • url_path

    /c4754d4f680ead72.php

Targets

    • Target

      5756eb17961a1facf1f1c972dde0185932f10f7e7a6b3e756ac785418887eb26.exe

    • Size

      282KB

    • MD5

      5dd74b81e1e9f3ab155e1603a2fa793b

    • SHA1

      653cdaf8617c7fdec6f39db3334e858bec9a2d66

    • SHA256

      5756eb17961a1facf1f1c972dde0185932f10f7e7a6b3e756ac785418887eb26

    • SHA512

      9017f6797f998423e3cd88dcf1086f6e555797a9e6414ffd714dcb394cfd3f2b2fb5432c9ba38792021b5ba9e421454385f509c9363cedb7d3ac5919f66035fa

    • SSDEEP

      6144:kpKO3JjtQLCz0sVHReGoBtSTMv+ONYwjBv8ncRoHvYpUTl/KF//sEO:kvLVVBUt8Mv+ejBv8cGzTVKdsEO

    • Detect Vidar Stealer

    • Stealc

      Stealc is an infostealer written in C++.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • 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