General

  • Target

    63ec08b6c428cd832e49b855a3b07f441c1f5017eacd0a77fe6caefb357f9f23

  • Size

    711KB

  • Sample

    210922-tm4t7sfgdl

  • MD5

    b136307025010cb70238dcee637eba4d

  • SHA1

    3fb5a158384bdc91c03c63b495826f02ef429794

  • SHA256

    63ec08b6c428cd832e49b855a3b07f441c1f5017eacd0a77fe6caefb357f9f23

  • SHA512

    7ef6ae18167455ab6b092c42258558abcd09d9db54ac68d9e9b9bd3450135ca1e167947ea9eab95b830bcf977b9fd17e5094990b98eeff549ab41cb78d1a3ce1

Malware Config

Extracted

Family

vidar

Version

40.9

Botnet

828

C2

https://stacenko668.tumblr.com/

Attributes
  • profile_id

    828

Targets

    • Target

      63ec08b6c428cd832e49b855a3b07f441c1f5017eacd0a77fe6caefb357f9f23

    • Size

      711KB

    • MD5

      b136307025010cb70238dcee637eba4d

    • SHA1

      3fb5a158384bdc91c03c63b495826f02ef429794

    • SHA256

      63ec08b6c428cd832e49b855a3b07f441c1f5017eacd0a77fe6caefb357f9f23

    • SHA512

      7ef6ae18167455ab6b092c42258558abcd09d9db54ac68d9e9b9bd3450135ca1e167947ea9eab95b830bcf977b9fd17e5094990b98eeff549ab41cb78d1a3ce1

    • 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

    • 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

Defense Evasion

Install Root Certificate

1
T1130

Modify Registry

1
T1112

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