General

  • Target

    9613604c797763cb0b22a6ecf3c10b5d7f630a44cd176386765bab49556c4e17

  • Size

    596KB

  • Sample

    210926-sj9qlsehgl

  • MD5

    1ef09ff5e1063029dc22c3785e809309

  • SHA1

    4c106c1f3a65a7ac15260abc536043f78b541aab

  • SHA256

    9613604c797763cb0b22a6ecf3c10b5d7f630a44cd176386765bab49556c4e17

  • SHA512

    850b377b2d6066442567f85c8c886b9a874a3c5fb2aed4cc92eee82e0e9c08422fc4f7bd59a64e09a051faf64bdddf8ca8813cf56c567d67c57e0734dc4e594d

Malware Config

Targets

    • Target

      9613604c797763cb0b22a6ecf3c10b5d7f630a44cd176386765bab49556c4e17

    • Size

      596KB

    • MD5

      1ef09ff5e1063029dc22c3785e809309

    • SHA1

      4c106c1f3a65a7ac15260abc536043f78b541aab

    • SHA256

      9613604c797763cb0b22a6ecf3c10b5d7f630a44cd176386765bab49556c4e17

    • SHA512

      850b377b2d6066442567f85c8c886b9a874a3c5fb2aed4cc92eee82e0e9c08422fc4f7bd59a64e09a051faf64bdddf8ca8813cf56c567d67c57e0734dc4e594d

    • 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