General

  • Target

    49c7bc2ffdb713885b948f0a75a7cd662000a579b07e0d4abf3fecdd8c970f58

  • Size

    727KB

  • Sample

    211016-l73hwacfen

  • MD5

    2e44add08e4d4d4b8c317bd7eac6b2f3

  • SHA1

    64bd983e4423a2c365c2d0c3b1f58b7cccd2e84c

  • SHA256

    49c7bc2ffdb713885b948f0a75a7cd662000a579b07e0d4abf3fecdd8c970f58

  • SHA512

    06690feefde691013d2054c63773cc928f13508a9d328086a2efba0352960d4b0eecd27e85647187b557ce6b4637a565fadf91f1b15e6552b329628f41486967

Malware Config

Extracted

Family

vidar

Version

41.4

Botnet

1008

C2

https://mas.to/@sslam

Attributes
  • profile_id

    1008

Targets

    • Target

      49c7bc2ffdb713885b948f0a75a7cd662000a579b07e0d4abf3fecdd8c970f58

    • Size

      727KB

    • MD5

      2e44add08e4d4d4b8c317bd7eac6b2f3

    • SHA1

      64bd983e4423a2c365c2d0c3b1f58b7cccd2e84c

    • SHA256

      49c7bc2ffdb713885b948f0a75a7cd662000a579b07e0d4abf3fecdd8c970f58

    • SHA512

      06690feefde691013d2054c63773cc928f13508a9d328086a2efba0352960d4b0eecd27e85647187b557ce6b4637a565fadf91f1b15e6552b329628f41486967

    • 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