Overview

overview

10

Static

static

c5bc645f57...52.exe

windows7_x64

10

c5bc645f57...52.exe

windows10_x64

10

Sharing

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General

  • Target

    c5bc645f578d60725e7c38b3ef9c8352.exe

  • Size

    500KB

  • Sample

    210728-5tfb35gh3s

  • MD5

    c5bc645f578d60725e7c38b3ef9c8352

  • SHA1

    c1933c1befcd21acc807991c2d0de2e3637988b5

  • SHA256

    5a226e5207d7ea2c0e14abb068268a55bc974bdfe17181f6982b92a0a7fedcf2

  • SHA512

    9c07208f081f828becc0091232e908a7efa744647541f599d874e22a8b1b0a5297d4044c201996809af6fb17836bc2c0dc91671a528083f213a8b0202fffd1d6

Score
10/10
vidar921discoveryspywarestealersuricata

Malware Config

Extracted

Family

vidar

Version

39.8

Botnet

921

C2

https://xeronxikxxx.tumblr.com/

Attributes
  • profile_id

    921

Targets

    • Target

      c5bc645f578d60725e7c38b3ef9c8352.exe

    • Size

      500KB

    • MD5

      c5bc645f578d60725e7c38b3ef9c8352

    • SHA1

      c1933c1befcd21acc807991c2d0de2e3637988b5

    • SHA256

      5a226e5207d7ea2c0e14abb068268a55bc974bdfe17181f6982b92a0a7fedcf2

    • SHA512

      9c07208f081f828becc0091232e908a7efa744647541f599d874e22a8b1b0a5297d4044c201996809af6fb17836bc2c0dc91671a528083f213a8b0202fffd1d6

    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

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

      suricata

    • 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