Overview

overview

10

Static

static

eufive_202...22.exe

windows7_x64

10

eufive_202...22.exe

windows10_x64

10

Sharing

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General

  • Target

    eufive_20210904-225322

  • Size

    662KB

  • Sample

    210906-kkh1aaeaap

  • MD5

    792e07f07b6ad87f9c078fdf48bd487b

  • SHA1

    e514610dc1f1509e096767e5e0130d79c57081ca

  • SHA256

    f1965eab648649f5bcb6d7cc954eec13ae87320654253a19fe55199d7da9fbdb

  • SHA512

    194fd61239d41af1c774337d1596664a3c019e01980ae740ad473ac2722e6931ee185fa29a4dc968af82d1356ccf4c65bd14baaa5d3c1792db8f255dbeb87102

Score
10/10
vidar865discoveryspywarestealersuricata

Malware Config

Extracted

Family

vidar

Version

40.4

Botnet

865

C2

https://romkaxarit.tumblr.com/

Attributes
  • profile_id

    865

Targets

    • Target

      eufive_20210904-225322

    • Size

      662KB

    • MD5

      792e07f07b6ad87f9c078fdf48bd487b

    • SHA1

      e514610dc1f1509e096767e5e0130d79c57081ca

    • SHA256

      f1965eab648649f5bcb6d7cc954eec13ae87320654253a19fe55199d7da9fbdb

    • SHA512

      194fd61239d41af1c774337d1596664a3c019e01980ae740ad473ac2722e6931ee185fa29a4dc968af82d1356ccf4c65bd14baaa5d3c1792db8f255dbeb87102

    Score
    10/10
    vidar865discoveryspywarestealersuricata

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

      stealervidar

    • 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

    • suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload

      suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload

      suricata

    • Vidar Stealer

      stealer

    • Downloads MZ/PE file

    • Deletes itself

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Accesses 2FA software files, possible credential harvesting

      spywarestealer

    • Accesses cryptocurrency files/wallets, possible credential harvesting

      spyware

    • Checks installed software on the system

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

      discovery
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Install Root Certificate

1
T1130

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Data from Local System

3
T1005

Exfiltration

Command and Control

Impact

Tasks