General

  • Target

    31c6a028ab500d3b8c6d53c5827ffdd773146a55306f3196271dce2f548aa020.exe

  • Size

    414KB

  • Sample

    240326-cklgeaee8s

  • MD5

    32da82af183c6de4e3874d5760b65168

  • SHA1

    7be8f0dc1bfc8f172b407a366f19aec9d30684c4

  • SHA256

    31c6a028ab500d3b8c6d53c5827ffdd773146a55306f3196271dce2f548aa020

  • SHA512

    03927e0a5eaf71b0469a41ede18b8a6eae2ed569da6e67c3dac33d7d78b3c1262ef2729da39cfd0c8856cc1e25cad9bb2c7f3a0b1c1690a79f20dee8384cf147

  • SSDEEP

    6144:kUBes6jA+uS+YRiXbr41hssVhBM+gOmHs0EE2ovTCsqXd3zCEKV:1j6U+ulYRYv4zx4pMBAvTmFKV

Malware Config

Extracted

Family

stealc

C2

http://185.172.128.209

Attributes
  • url_path

    /3cd2b41cbde8fc9c.php

Targets

    • Target

      31c6a028ab500d3b8c6d53c5827ffdd773146a55306f3196271dce2f548aa020.exe

    • Size

      414KB

    • MD5

      32da82af183c6de4e3874d5760b65168

    • SHA1

      7be8f0dc1bfc8f172b407a366f19aec9d30684c4

    • SHA256

      31c6a028ab500d3b8c6d53c5827ffdd773146a55306f3196271dce2f548aa020

    • SHA512

      03927e0a5eaf71b0469a41ede18b8a6eae2ed569da6e67c3dac33d7d78b3c1262ef2729da39cfd0c8856cc1e25cad9bb2c7f3a0b1c1690a79f20dee8384cf147

    • SSDEEP

      6144:kUBes6jA+uS+YRiXbr41hssVhBM+gOmHs0EE2ovTCsqXd3zCEKV:1j6U+ulYRYv4zx4pMBAvTmFKV

    • Stealc

      Stealc is an infostealer written in C++.

    • Detect binaries embedding considerable number of MFA browser extension IDs.

    • Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs.

    • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • 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 Enterprise v15

Tasks