General

  • Target

    cde3b1e8890ea52f0ab98e744ab9f0cab4ba87eb460abfd9d81eff85ada4bd08

  • Size

    771KB

  • Sample

    211010-1p1nwsgbek

  • MD5

    94434e4115b8eab775edb8d59a73ecd7

  • SHA1

    f2a2fbfbe37df08675d5b37c2790964d0eedf7dc

  • SHA256

    cde3b1e8890ea52f0ab98e744ab9f0cab4ba87eb460abfd9d81eff85ada4bd08

  • SHA512

    22d4d4a5dce7ec31687c1ff1a31f7c1a3d4ef819622bb2a0c9cce05b8f273aac5d33f6b13020466badcc77974c57bca4db4cf69ea3b17d18a7904402bdb6c721

Malware Config

Extracted

Family

vidar

Version

41.2

Botnet

1008

C2

https://mas.to/@serg4325

Attributes
  • profile_id

    1008

Targets

    • Target

      cde3b1e8890ea52f0ab98e744ab9f0cab4ba87eb460abfd9d81eff85ada4bd08

    • Size

      771KB

    • MD5

      94434e4115b8eab775edb8d59a73ecd7

    • SHA1

      f2a2fbfbe37df08675d5b37c2790964d0eedf7dc

    • SHA256

      cde3b1e8890ea52f0ab98e744ab9f0cab4ba87eb460abfd9d81eff85ada4bd08

    • SHA512

      22d4d4a5dce7ec31687c1ff1a31f7c1a3d4ef819622bb2a0c9cce05b8f273aac5d33f6b13020466badcc77974c57bca4db4cf69ea3b17d18a7904402bdb6c721

    • 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