Overview

overview

10

Static

static

32240716f5...e8.exe

windows7_x64

10

32240716f5...e8.exe

windows10_x64

10

Sharing

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General

  • Target

    32240716f56a089ce49fcd044d20d7e8

  • Size

    1.0MB

  • Sample

    210917-gyrb2ahgcr

  • MD5

    32240716f56a089ce49fcd044d20d7e8

  • SHA1

    fb8ea0782fd0a016608e456882b2a0fafe978405

  • SHA256

    8117405a4dfe0e21ae2064f1a129da59dbc31d3830967e43e0b63f9c52b058c1

  • SHA512

    c415146be9d72e204d4bf6528f076f6a6885e5e3e6cbc0f1cba6a35b6da80bde576b6444c74e0925dbcadc959562f72b69756a04a534e75ed7b08fa6889649a9

Score
10/10
vidar921discoveryspywarestealersuricata

Malware Config

Extracted

Family

vidar

Version

40.6

Botnet

921

C2

https://dimonbk83.tumblr.com/

Attributes
  • profile_id

    921

Targets

    • Target

      32240716f56a089ce49fcd044d20d7e8

    • Size

      1.0MB

    • MD5

      32240716f56a089ce49fcd044d20d7e8

    • SHA1

      fb8ea0782fd0a016608e456882b2a0fafe978405

    • SHA256

      8117405a4dfe0e21ae2064f1a129da59dbc31d3830967e43e0b63f9c52b058c1

    • SHA512

      c415146be9d72e204d4bf6528f076f6a6885e5e3e6cbc0f1cba6a35b6da80bde576b6444c74e0925dbcadc959562f72b69756a04a534e75ed7b08fa6889649a9

    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