Overview

overview

10

Static

static

eufive_202...37.exe

windows7_x64

10

eufive_202...37.exe

windows10_x64

10

Sharing

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General

  • Target

    eufive_20211023-071837

  • Size

    766KB

  • Sample

    211023-mremjsdcap

  • MD5

    407b55e8f7e2333e693d378bb04e015f

  • SHA1

    df8ddcce350f0424444a51d830a244570188aa23

  • SHA256

    4a58b53944c62843be5315fcf2556781e938ca6a0b82097186399a0fcecc1248

  • SHA512

    e60fe00e67ec74c9c705a025e7136a5bc69dff72dff8548697cbb276a6164943218d0c763dd779a5eb060f33b14045015627c2ddd62b386587012e3b85a0fb25

Score
10/10
vidar865discoveryspywarestealersuricata

Malware Config

Extracted

Family

vidar

Version

41.5

Botnet

865

C2

https://mas.to/@xeroxxx

Attributes
  • profile_id

    865

Targets

    • Target

      eufive_20211023-071837

    • Size

      766KB

    • MD5

      407b55e8f7e2333e693d378bb04e015f

    • SHA1

      df8ddcce350f0424444a51d830a244570188aa23

    • SHA256

      4a58b53944c62843be5315fcf2556781e938ca6a0b82097186399a0fcecc1248

    • SHA512

      e60fe00e67ec74c9c705a025e7136a5bc69dff72dff8548697cbb276a6164943218d0c763dd779a5eb060f33b14045015627c2ddd62b386587012e3b85a0fb25

    Score
    10/10
    vidar865stealerdiscoveryspywaresuricata

    • 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

    • 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

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