General

  • Target

    b1de09143f842c245c227bddd1b86816df7427377cc57fb8a3ac763d399cb05a

  • Size

    681KB

  • Sample

    211014-c4y7lsfegr

  • MD5

    d9bffdb526442b6a8babaf5312225cb1

  • SHA1

    841d1dd30d29397b007d850d220691ec548b5b60

  • SHA256

    b1de09143f842c245c227bddd1b86816df7427377cc57fb8a3ac763d399cb05a

  • SHA512

    0906ea151f3a10a0218ccd76a24434c660891771f00ae7e78afd8337623b098b6d56a1ea559fd03a29c47e6880bfea2ca61db52386a011e4edd87a70416fb26b

Malware Config

Extracted

Family

vidar

Version

41.3

Botnet

1008

C2

https://mas.to/@oleg98

Attributes
  • profile_id

    1008

Targets

    • Target

      b1de09143f842c245c227bddd1b86816df7427377cc57fb8a3ac763d399cb05a

    • Size

      681KB

    • MD5

      d9bffdb526442b6a8babaf5312225cb1

    • SHA1

      841d1dd30d29397b007d850d220691ec548b5b60

    • SHA256

      b1de09143f842c245c227bddd1b86816df7427377cc57fb8a3ac763d399cb05a

    • SHA512

      0906ea151f3a10a0218ccd76a24434c660891771f00ae7e78afd8337623b098b6d56a1ea559fd03a29c47e6880bfea2ca61db52386a011e4edd87a70416fb26b

    • 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