General

  • Target

    4a967aa29b38f9bae74e631162134e2d8ca0c80a5d0e0af585cf14998459306c

  • Size

    635KB

  • Sample

    211012-l1mh3scabr

  • MD5

    10fc510cde30fc4405f228d41f7fac9a

  • SHA1

    f5d112b4e0ed70eb47771c27fc06db98309108ad

  • SHA256

    4a967aa29b38f9bae74e631162134e2d8ca0c80a5d0e0af585cf14998459306c

  • SHA512

    642bae18f5fc25f0147b3b5deadd23c7a98a9f6b35ffd2e5d5b07402ef24d14d948cfdd0c1d37bb9698a89f20e64664a526a64c68d44d575d799980ef12addec

Malware Config

Extracted

Family

vidar

Version

41.3

Botnet

1008

C2

https://mas.to/@oleg98

Attributes
  • profile_id

    1008

Targets

    • Target

      4a967aa29b38f9bae74e631162134e2d8ca0c80a5d0e0af585cf14998459306c

    • Size

      635KB

    • MD5

      10fc510cde30fc4405f228d41f7fac9a

    • SHA1

      f5d112b4e0ed70eb47771c27fc06db98309108ad

    • SHA256

      4a967aa29b38f9bae74e631162134e2d8ca0c80a5d0e0af585cf14998459306c

    • SHA512

      642bae18f5fc25f0147b3b5deadd23c7a98a9f6b35ffd2e5d5b07402ef24d14d948cfdd0c1d37bb9698a89f20e64664a526a64c68d44d575d799980ef12addec

    • 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