General

  • Target

    9152c3d8d3cb6fa1d8ad2c22a5e15c4da96c1f235f7df0be39d423222a55b555

  • Size

    592KB

  • Sample

    210926-xhv82sfbdq

  • MD5

    f3490d7f32318f3f1a3b9e14cf63087b

  • SHA1

    f5deb9e7336b31e4393f85a699082f4f473a960b

  • SHA256

    9152c3d8d3cb6fa1d8ad2c22a5e15c4da96c1f235f7df0be39d423222a55b555

  • SHA512

    1afbd32a4bec5abdcb87eb1519be1ebb2cfb3fc1061333a7d5f72a6a23edf296d6e893dc8a8aec5bd300bf5bc758038d6d500805348f2e30c426036b0bcc9b86

Malware Config

Targets

    • Target

      9152c3d8d3cb6fa1d8ad2c22a5e15c4da96c1f235f7df0be39d423222a55b555

    • Size

      592KB

    • MD5

      f3490d7f32318f3f1a3b9e14cf63087b

    • SHA1

      f5deb9e7336b31e4393f85a699082f4f473a960b

    • SHA256

      9152c3d8d3cb6fa1d8ad2c22a5e15c4da96c1f235f7df0be39d423222a55b555

    • SHA512

      1afbd32a4bec5abdcb87eb1519be1ebb2cfb3fc1061333a7d5f72a6a23edf296d6e893dc8a8aec5bd300bf5bc758038d6d500805348f2e30c426036b0bcc9b86

    • 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