General

  • Target

    82ba99877892466b37e3944cc6dd84963daf0c4b992c98b439cc2bca2c0dccd0

  • Size

    2.2MB

  • Sample

    240625-xf4seaygpq

  • MD5

    8d3d92973fa48e57d2e77373bbf133a3

  • SHA1

    15aa2669cd60081c680a6da40d5da4f3756454cd

  • SHA256

    82ba99877892466b37e3944cc6dd84963daf0c4b992c98b439cc2bca2c0dccd0

  • SHA512

    3d2725929e91a3c84c4b31bf35a4d850a02a2ee9b84e1f162e954c588a25d1e55ba77a707a5d5d425274d0cd9a129e542b1b333a07532173368008d8a4897531

  • SSDEEP

    49152:lAgY7fvVtbBaxmcqMTBeWiKQl+bH4JbjzzEBETT29YMST:llY7nTMBTBeWiKQl+bYxzIBA6uMST

Malware Config

Extracted

Family

vidar

C2

https://t.me/g067n

https://steamcommunity.com/profiles/76561199707802586

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:129.0) Gecko/20100101 Firefox/129.0

Targets

    • Target

      82ba99877892466b37e3944cc6dd84963daf0c4b992c98b439cc2bca2c0dccd0

    • Size

      2.2MB

    • MD5

      8d3d92973fa48e57d2e77373bbf133a3

    • SHA1

      15aa2669cd60081c680a6da40d5da4f3756454cd

    • SHA256

      82ba99877892466b37e3944cc6dd84963daf0c4b992c98b439cc2bca2c0dccd0

    • SHA512

      3d2725929e91a3c84c4b31bf35a4d850a02a2ee9b84e1f162e954c588a25d1e55ba77a707a5d5d425274d0cd9a129e542b1b333a07532173368008d8a4897531

    • SSDEEP

      49152:lAgY7fvVtbBaxmcqMTBeWiKQl+bH4JbjzzEBETT29YMST:llY7nTMBTBeWiKQl+bYxzIBA6uMST

    • Detect Vidar Stealer

    • Stealc

      Stealc is an infostealer written in C++.

    • 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.

    • Executes dropped EXE

    • 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.

    • 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