Overview

overview

10

Static

static

3

vb_5.4.exe

windows10-ltsc_2021-x64

10

vb_5.4.exe

windows11-21h2-x64

10

Sharing

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General

  • Target
    vb_5.4.zip
  • Size 17.6MB
  • Sample251207-ss7bvacr8v
  • SHA256 1884adb32280ba0aa40fc603467448af4342f75988db93ae21e532d3008c3902
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
stealcjopadiscoveryspywarestealer

Malware Config

Extracted

Family

  • stealc

Botnet

  • jopa

C2

  • http://5.10.217.64

Attributes
  • url_path

    /a927e02a8d5e42df.php

rc4.plain

Targets

    • Target
      vb_5.4.exe
    • Size 872.5MB
    • SHA256 de0b4d0b41397fa38bf27bb362118b153d8697fd3482b8d19c70246cfca25b36
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    jopadiscoverystealcspywarestealer

    • Stealc

      Stealc is an infostealer written in C++.

      stealerstealc

    • Stealc family

      stealc

    • Downloads MZ/PE file

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

      spywarestealer

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      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 Enterprise v16

Tasks