General

  • Target

    42b0fafc2de9e7557da389f7c458bbfb6d5fae3e3307e45b48edfe6fdb200b21

  • Size

    727KB

  • Sample

    211015-x24drscbbk

  • MD5

    8abdc76ff21c9657253255745a94cb3e

  • SHA1

    623fc470fa10b462a371567971da3ed8ee71951d

  • SHA256

    42b0fafc2de9e7557da389f7c458bbfb6d5fae3e3307e45b48edfe6fdb200b21

  • SHA512

    79b60a1dba4fcad169580dfc87dbdcd13b70654eede7c12984569d7690217c5fccdeb1700bde63eaa9ab6da0932fa7417917b85a40f9f0ba6bed107f3361a1d6

Malware Config

Extracted

Family

vidar

Version

41.4

Botnet

1008

C2

https://mas.to/@sslam

Attributes
  • profile_id

    1008

Targets

    • Target

      42b0fafc2de9e7557da389f7c458bbfb6d5fae3e3307e45b48edfe6fdb200b21

    • Size

      727KB

    • MD5

      8abdc76ff21c9657253255745a94cb3e

    • SHA1

      623fc470fa10b462a371567971da3ed8ee71951d

    • SHA256

      42b0fafc2de9e7557da389f7c458bbfb6d5fae3e3307e45b48edfe6fdb200b21

    • SHA512

      79b60a1dba4fcad169580dfc87dbdcd13b70654eede7c12984569d7690217c5fccdeb1700bde63eaa9ab6da0932fa7417917b85a40f9f0ba6bed107f3361a1d6

    • 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