General

  • Target

    a683bfb95ea7e054978218856de9611cf412fc8f246fffae816657d023a1c51c

  • Size

    259KB

  • Sample

    230331-zjqq3aef6w

  • MD5

    5f56b527d28648d14ab832413ec61659

  • SHA1

    79e0c4778f6c74c8c16acb8bb616b53f3f70b7fa

  • SHA256

    a683bfb95ea7e054978218856de9611cf412fc8f246fffae816657d023a1c51c

  • SHA512

    793704f50884ffe9793820ab8f6398f207b536c09edbcd4ada20523ac535412208255cb2a0ba1e8897abf895f5af360f605868fd1b2e3c4fdb480cd65267779e

  • SSDEEP

    3072:yCyD5NQAdrD7R6tzatjfdXqzFcpfe6hYNOfkE5SSWPREW5cRP5xet:vuhnl6t+trd6Zcpf5YXEwVuRP5At

Malware Config

Extracted

Family

stealc

C2

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

Targets

    • Target

      a683bfb95ea7e054978218856de9611cf412fc8f246fffae816657d023a1c51c

    • Size

      259KB

    • MD5

      5f56b527d28648d14ab832413ec61659

    • SHA1

      79e0c4778f6c74c8c16acb8bb616b53f3f70b7fa

    • SHA256

      a683bfb95ea7e054978218856de9611cf412fc8f246fffae816657d023a1c51c

    • SHA512

      793704f50884ffe9793820ab8f6398f207b536c09edbcd4ada20523ac535412208255cb2a0ba1e8897abf895f5af360f605868fd1b2e3c4fdb480cd65267779e

    • SSDEEP

      3072:yCyD5NQAdrD7R6tzatjfdXqzFcpfe6hYNOfkE5SSWPREW5cRP5xet:vuhnl6t+trd6Zcpf5YXEwVuRP5At

    • 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