General

  • Target

    04a1cc840732e9bf8058bcc4c927918e1b71a06afbb8810efa68385c6ffb310e

  • Size

    666KB

  • Sample

    211014-13t39sbahm

  • MD5

    68120da2394b79193f36c04231a6a7d0

  • SHA1

    4e16f928316628cb14425805d49f520738f1b211

  • SHA256

    04a1cc840732e9bf8058bcc4c927918e1b71a06afbb8810efa68385c6ffb310e

  • SHA512

    371d0a9b7372074032d54f5a9efde0d4e9045918f0d797136f6105967bf9c02cbb6da6107b186db53a306b2a0b075aadf4bc3ff5152681a48f6959c98a4bbbe5

Malware Config

Extracted

Family

vidar

Version

41.3

Botnet

1008

C2

https://mas.to/@oleg98

Attributes
  • profile_id

    1008

Targets

    • Target

      04a1cc840732e9bf8058bcc4c927918e1b71a06afbb8810efa68385c6ffb310e

    • Size

      666KB

    • MD5

      68120da2394b79193f36c04231a6a7d0

    • SHA1

      4e16f928316628cb14425805d49f520738f1b211

    • SHA256

      04a1cc840732e9bf8058bcc4c927918e1b71a06afbb8810efa68385c6ffb310e

    • SHA512

      371d0a9b7372074032d54f5a9efde0d4e9045918f0d797136f6105967bf9c02cbb6da6107b186db53a306b2a0b075aadf4bc3ff5152681a48f6959c98a4bbbe5

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)

      suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)

    • suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload

      suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload

    • suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil

      suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil

    • Vidar Stealer

    • Downloads MZ/PE file

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses 2FA software files, possible credential harvesting

    • 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.

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

3
T1005

Tasks