Overview

overview

10

Static

static

ef0370c809...37.exe

windows7_x64

10

ef0370c809...37.exe

windows10_x64

10

Sharing

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General

  • Target

    ef0370c80915653fe001b5c9682bde37.exe

  • Size

    1.3MB

  • Sample

    210812-py5sxnb4gn

  • MD5

    ef0370c80915653fe001b5c9682bde37

  • SHA1

    98d60720102caa4e52ba46ef79e6006484908fe4

  • SHA256

    40480036363a57a125f0ba8d78005327b8e3f7d496d486961e75bf67089034bc

  • SHA512

    32e37902ef53f5ba1d7c274a4ff03693d94a5504f4396ae143e90c5cd124b989a62ce3df2c738f0f7ff62350df8d3d3cc5467b6025d032411ee054ab7d29e72d

Score
10/10
vidar921discoveryspywarestealersuricata

Malware Config

Extracted

Family

vidar

Version

40

Botnet

921

C2

https://lenak513.tumblr.com/

Attributes
  • profile_id

    921

Targets

    • Target

      ef0370c80915653fe001b5c9682bde37.exe

    • Size

      1.3MB

    • MD5

      ef0370c80915653fe001b5c9682bde37

    • SHA1

      98d60720102caa4e52ba46ef79e6006484908fe4

    • SHA256

      40480036363a57a125f0ba8d78005327b8e3f7d496d486961e75bf67089034bc

    • SHA512

      32e37902ef53f5ba1d7c274a4ff03693d94a5504f4396ae143e90c5cd124b989a62ce3df2c738f0f7ff62350df8d3d3cc5467b6025d032411ee054ab7d29e72d

    Score
    10/10
    vidar921discoveryspywarestealersuricata

    • 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

    • suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil

      suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil

      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

    • Suspicious use of SetThreadContext

    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