General

  • Target

    e3e3fab86a5f23fce4ad40791aead7f2558d164a2f40124d217fb391a926c948

  • Size

    1.7MB

  • Sample

    220202-w4cs6abagj

  • MD5

    43aa5bbf3c44b243538175bd312cd8af

  • SHA1

    ba2e14ccd5c148c7571671cc0d5f5a01049c38b9

  • SHA256

    e3e3fab86a5f23fce4ad40791aead7f2558d164a2f40124d217fb391a926c948

  • SHA512

    77cae2b22bc8f9686d3dc0cfced72e4bb0ef81163e2cfc7e12ac88acc828742974677e8a303cb334a2eea7bc1797f434d0793609065b60e9bd6d1b1f449deb6e

Malware Config

Extracted

Family

vidar

Version

50

Botnet

1148

C2

https://mastodon.social/@prophef6

https://noc.social/@prophef5

Attributes
  • profile_id

    1148

Targets

    • Target

      e3e3fab86a5f23fce4ad40791aead7f2558d164a2f40124d217fb391a926c948

    • Size

      1.7MB

    • MD5

      43aa5bbf3c44b243538175bd312cd8af

    • SHA1

      ba2e14ccd5c148c7571671cc0d5f5a01049c38b9

    • SHA256

      e3e3fab86a5f23fce4ad40791aead7f2558d164a2f40124d217fb391a926c948

    • SHA512

      77cae2b22bc8f9686d3dc0cfced72e4bb0ef81163e2cfc7e12ac88acc828742974677e8a303cb334a2eea7bc1797f434d0793609065b60e9bd6d1b1f449deb6e

    • 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 Suspicious Zipped Filename in Outbound POST Request (Passwords.txt) M2

      suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt) M2

    • suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (passwords.txt) M2

      suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (passwords.txt) M2

    • 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

    • suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer HTTP POST Pattern

      suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer HTTP POST Pattern

    • Vidar Stealer

    • Downloads MZ/PE file

    • Deletes itself

    • 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.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v6

Tasks