General

  • Target

    62cb8ffcd08fadd1ea237743e3d45715e1cd980060996e8f6e57e03f2b6eef52

  • Size

    545KB

  • Sample

    240412-1nwcsaaa2x

  • MD5

    40fb348c1092ed74766def033e31a413

  • SHA1

    a67589149215ec3ed06a6572bceb79af90f6b6a0

  • SHA256

    62cb8ffcd08fadd1ea237743e3d45715e1cd980060996e8f6e57e03f2b6eef52

  • SHA512

    a90da55944759c98f434d7ce8f81996d4dff537dd48526d48a32def753cdf54640551e12d7fda31a917ec6cf5e8e502fc6c4734551a9044f8f73ba94738dee17

  • SSDEEP

    12288:mSAF2Na9oopVqwFG4qOdIDfo1jWDfXPPPnz76AhXBFJ:mOa9oG3FG4qPfoIDf/Pb7XXBn

Malware Config

Extracted

Family

vidar

Version

8.3

Botnet

237

C2

http://hosportos.com/

Attributes
  • profile_id

    237

Targets

    • Target

      62cb8ffcd08fadd1ea237743e3d45715e1cd980060996e8f6e57e03f2b6eef52

    • Size

      545KB

    • MD5

      40fb348c1092ed74766def033e31a413

    • SHA1

      a67589149215ec3ed06a6572bceb79af90f6b6a0

    • SHA256

      62cb8ffcd08fadd1ea237743e3d45715e1cd980060996e8f6e57e03f2b6eef52

    • SHA512

      a90da55944759c98f434d7ce8f81996d4dff537dd48526d48a32def753cdf54640551e12d7fda31a917ec6cf5e8e502fc6c4734551a9044f8f73ba94738dee17

    • SSDEEP

      12288:mSAF2Na9oopVqwFG4qOdIDfo1jWDfXPPPnz76AhXBFJ:mOa9oG3FG4qPfoIDf/Pb7XXBn

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

    • Detects executables containing SQL queries to confidential data stores. Observed in infostealers

    • UPX dump on OEP (original entry point)

    • Vidar Stealer

    • Reads local data of messenger clients

      Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Accesses 2FA software files, possible credential harvesting

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

MITRE ATT&CK Matrix ATT&CK v13

Credential Access

Unsecured Credentials

4
T1552

Credentials In Files

4
T1552.001

Discovery

Query Registry

2
T1012

System Information Discovery

1
T1082

Collection

Data from Local System

4
T1005

Tasks