General

  • Target

    81f031fef87877f5386e069506191a107450ea7d75a096e941829ef5c9f34d49

  • Size

    218KB

  • Sample

    230331-xnnq6acf43

  • MD5

    85848348748da43e5496feab5bc83174

  • SHA1

    471141600238bf1517fdd83d790da03d553c41e1

  • SHA256

    81f031fef87877f5386e069506191a107450ea7d75a096e941829ef5c9f34d49

  • SHA512

    ee5a5a6414fb3f9ccd78cd80bbde07ed0d0c71a57ba2868162ac825ffdf42fc3637db800f1f58fb37fa9c00473b34ef60aedb5ee1aecce5e9232f978787985ba

  • SSDEEP

    3072:1Qy8P9HS7oFU3yHEMASzt8vXOtVuplJmgoR2nJ9F4IJ96RcIw5s8et8i:mlg1uEM3k+tVYlJtv3yRc+8eSi

Malware Config

Extracted

Family

stealc

C2

http://arthurmaes.top/410b5129171f10ea.php

Targets

    • Target

      81f031fef87877f5386e069506191a107450ea7d75a096e941829ef5c9f34d49

    • Size

      218KB

    • MD5

      85848348748da43e5496feab5bc83174

    • SHA1

      471141600238bf1517fdd83d790da03d553c41e1

    • SHA256

      81f031fef87877f5386e069506191a107450ea7d75a096e941829ef5c9f34d49

    • SHA512

      ee5a5a6414fb3f9ccd78cd80bbde07ed0d0c71a57ba2868162ac825ffdf42fc3637db800f1f58fb37fa9c00473b34ef60aedb5ee1aecce5e9232f978787985ba

    • SSDEEP

      3072:1Qy8P9HS7oFU3yHEMASzt8vXOtVuplJmgoR2nJ9F4IJ96RcIw5s8et8i:mlg1uEM3k+tVYlJtv3yRc+8eSi

    • Detects Stealc stealer

    • Stealc

      Stealc is an infostealer written in C++.

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Collection

Data from Local System

2
T1005

Tasks