Overview

overview

10

Static

static

3

file.exe

windows10-2004-x64

10

file.exe

windows11-21h2-x64

10

Sharing

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General

  • Target
    file.exe
  • Size 2.2MB
  • Sample260320-kwpbfads2q
  • SHA256 98a0787160f52c10636796eb65d09747903c1d005a540b4e65e85d70ed793fef
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
stealcnewdefense_evasiondiscoveryspywarestealertrojan

Malware Config

Extracted

Family

  • stealc

Botnet

  • New

C2

  • http://138.124.88.111

Attributes
  • url_path

    /e73ec3d3cca2490cb90e.php

rc4.traffic_key
rc4.C2

Targets

    • Target
      file.exe
    • Size 2.2MB
    • SHA256 98a0787160f52c10636796eb65d09747903c1d005a540b4e65e85d70ed793fef
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    newdefense_evasiondiscoverystealcspywarestealertrojan

    • Detects Stealc stealer Version 2

    • 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 WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

      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