Overview

overview

10

Static

static

b145481b3a...47.exe

windows7_x64

10

b145481b3a...47.exe

windows10_x64

10

Sharing

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General

  • Target

    b145481b3a46c0e94f36eb367b4fb547.exe

  • Size

    502KB

  • Sample

    210728-gjdl98zt7n

  • MD5

    b145481b3a46c0e94f36eb367b4fb547

  • SHA1

    2206daf1a6e4ff8706df648888caa3bdbe5a8d6e

  • SHA256

    81f0ea7ee9873de0118f7a630ea06da4072c8bd582ed4dc753a0124e1adb1584

  • SHA512

    272a600c0586ef8525ad5c5c5698afbe35c65d7f9d2bb8222ba372077dc095e3159b5a973f190d67dc6e36bb56c76770f21ec36748ca18dab95c74273d0de1e3

Score
10/10
vidar921discoveryspywarestealersuricata

Malware Config

Extracted

Family

vidar

Version

39.7

Botnet

921

C2

https://shpak125.tumblr.com/

Attributes
  • profile_id

    921

Targets

    • Target

      b145481b3a46c0e94f36eb367b4fb547.exe

    • Size

      502KB

    • MD5

      b145481b3a46c0e94f36eb367b4fb547

    • SHA1

      2206daf1a6e4ff8706df648888caa3bdbe5a8d6e

    • SHA256

      81f0ea7ee9873de0118f7a630ea06da4072c8bd582ed4dc753a0124e1adb1584

    • SHA512

      272a600c0586ef8525ad5c5c5698afbe35c65d7f9d2bb8222ba372077dc095e3159b5a973f190d67dc6e36bb56c76770f21ec36748ca18dab95c74273d0de1e3

    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