General

  • Target

    af297919c848f8327875e3a42aba1ad842402ed2b5ebea4b54f6d9907c4a0a0b

  • Size

    724KB

  • Sample

    211015-mqv8xabedr

  • MD5

    7b50605145cff55d85a9c83f817ee823

  • SHA1

    55eb13b0b547142bdcbb7258957953c76f930ed0

  • SHA256

    af297919c848f8327875e3a42aba1ad842402ed2b5ebea4b54f6d9907c4a0a0b

  • SHA512

    d1493e514945a835cb82c63e6e64131e3aa6151daa006ad2eb1c7e11f169cc402e9d43801b6e1eeb355da064d107fb75d0ba5e61c5cca3f7500353503898a629

Malware Config

Extracted

Family

vidar

Version

41.3

Botnet

1008

C2

https://mas.to/@oleg98

Attributes
  • profile_id

    1008

Targets

    • Target

      af297919c848f8327875e3a42aba1ad842402ed2b5ebea4b54f6d9907c4a0a0b

    • Size

      724KB

    • MD5

      7b50605145cff55d85a9c83f817ee823

    • SHA1

      55eb13b0b547142bdcbb7258957953c76f930ed0

    • SHA256

      af297919c848f8327875e3a42aba1ad842402ed2b5ebea4b54f6d9907c4a0a0b

    • SHA512

      d1493e514945a835cb82c63e6e64131e3aa6151daa006ad2eb1c7e11f169cc402e9d43801b6e1eeb355da064d107fb75d0ba5e61c5cca3f7500353503898a629

    • 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