Overview

overview

10

Static

static

f1e89356f7...bf.exe

windows7_x64

10

f1e89356f7...bf.exe

windows10_x64

10

Sharing

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General

  • Target

    f1e89356f7a21887e4b5db1160717abf

  • Size

    581KB

  • Sample

    210730-w7ctrj2r2s

  • MD5

    f1e89356f7a21887e4b5db1160717abf

  • SHA1

    ff7409ec73309460650dccc2e44efb8595c246d7

  • SHA256

    4227ee74e68b799efeb3613493f4814a81e16fec32c88bcc3fdcc7eae35b60bc

  • SHA512

    891734162b8f4b5c1d9cc08cc9c8140edbdf8af2ca4b0819a860cc1c1887d041e25db1b4282069ebeea6d764846d5d20ba3e836d923b1e3886f468236b244e51

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

      f1e89356f7a21887e4b5db1160717abf

    • Size

      581KB

    • MD5

      f1e89356f7a21887e4b5db1160717abf

    • SHA1

      ff7409ec73309460650dccc2e44efb8595c246d7

    • SHA256

      4227ee74e68b799efeb3613493f4814a81e16fec32c88bcc3fdcc7eae35b60bc

    • SHA512

      891734162b8f4b5c1d9cc08cc9c8140edbdf8af2ca4b0819a860cc1c1887d041e25db1b4282069ebeea6d764846d5d20ba3e836d923b1e3886f468236b244e51

    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