Overview

overview

10

Static

static

eufive_202...03.exe

windows7_x64

10

eufive_202...03.exe

windows10_x64

10

Sharing

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General

  • Target

    eufive_20211001-150603

  • Size

    746KB

  • Sample

    211001-tedytacbaj

  • MD5

    c8811bb9c6b08493eb9d1ea9862e232d

  • SHA1

    6a0f6357e45d18e8af28d8f703537a65c96efbd2

  • SHA256

    259a960ba51dee15b0051e15c4962225c533b421e1a62038ab8d332ba555f0f1

  • SHA512

    3138f6c3688412cb55791a63357fe6099ad4f53d06cb3eb3e927a8d17b936037190fd74670bdbc5292f5f51d53a2b463bbded1e396d0edac52f7e6eec31b9163

Score
10/10
vidar865discoveryspywarestealersuricata

Malware Config

Extracted

Family

vidar

Version

41.1

Botnet

865

C2

https://mas.to/@bardak1ho

Attributes
  • profile_id

    865

Targets

    • Target

      eufive_20211001-150603

    • Size

      746KB

    • MD5

      c8811bb9c6b08493eb9d1ea9862e232d

    • SHA1

      6a0f6357e45d18e8af28d8f703537a65c96efbd2

    • SHA256

      259a960ba51dee15b0051e15c4962225c533b421e1a62038ab8d332ba555f0f1

    • SHA512

      3138f6c3688412cb55791a63357fe6099ad4f53d06cb3eb3e927a8d17b936037190fd74670bdbc5292f5f51d53a2b463bbded1e396d0edac52f7e6eec31b9163

    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

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