General

  • Target

    309acd18ec9dcb314bb6ef3b7cd55bb2b1680d97af9eaa0ff0af361378dc17e8

  • Size

    593KB

  • Sample

    210926-wexf9sfbam

  • MD5

    daa64c31e0fa27f36a1b7d9672997589

  • SHA1

    492e4403628d90f1dff84e91b48163e78e8490d3

  • SHA256

    309acd18ec9dcb314bb6ef3b7cd55bb2b1680d97af9eaa0ff0af361378dc17e8

  • SHA512

    0522cf840e96b2497b2ee8bf4017936fb0f6191217cc22a2b444614d1249b66dfd31f3b042551f90987de8002d8f851bc0fe5119fb9b2b600f6069b6adb2e23d

Malware Config

Targets

    • Target

      309acd18ec9dcb314bb6ef3b7cd55bb2b1680d97af9eaa0ff0af361378dc17e8

    • Size

      593KB

    • MD5

      daa64c31e0fa27f36a1b7d9672997589

    • SHA1

      492e4403628d90f1dff84e91b48163e78e8490d3

    • SHA256

      309acd18ec9dcb314bb6ef3b7cd55bb2b1680d97af9eaa0ff0af361378dc17e8

    • SHA512

      0522cf840e96b2497b2ee8bf4017936fb0f6191217cc22a2b444614d1249b66dfd31f3b042551f90987de8002d8f851bc0fe5119fb9b2b600f6069b6adb2e23d

    • 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