General

  • Target

    4f0b695f6bfdc32e70fb0dfad45aba873822f679596ec66a70fd87e90f46f872

  • Size

    431KB

  • Sample

    240328-mwxc6aag2s

  • MD5

    32dd40dca11c7997236129f6b53f52d1

  • SHA1

    a4fedb22042474ba3ca706c744b1dd4ec1da1b6d

  • SHA256

    4f0b695f6bfdc32e70fb0dfad45aba873822f679596ec66a70fd87e90f46f872

  • SHA512

    b956d8e3ffda65ee60da0b41cf4c53a0ba0e0e4502621eb98a332d1f1d694d6c14f8e989994f9fbc0d0ed61426796887ad2a5d744499979cff2763c5799415a2

  • SSDEEP

    6144:rmvZ1h6GE0+qJ8ET7z8i8pMbNcYwnrqXzxM4aDj2ZEsUoKN+639RXU:SvfsGEQG4v8jMbenrezK4aD7oK/NxU

Malware Config

Extracted

Family

stealc

C2

http://185.172.128.209

Attributes
  • url_path

    /3cd2b41cbde8fc9c.php

Targets

    • Target

      4f0b695f6bfdc32e70fb0dfad45aba873822f679596ec66a70fd87e90f46f872

    • Size

      431KB

    • MD5

      32dd40dca11c7997236129f6b53f52d1

    • SHA1

      a4fedb22042474ba3ca706c744b1dd4ec1da1b6d

    • SHA256

      4f0b695f6bfdc32e70fb0dfad45aba873822f679596ec66a70fd87e90f46f872

    • SHA512

      b956d8e3ffda65ee60da0b41cf4c53a0ba0e0e4502621eb98a332d1f1d694d6c14f8e989994f9fbc0d0ed61426796887ad2a5d744499979cff2763c5799415a2

    • SSDEEP

      6144:rmvZ1h6GE0+qJ8ET7z8i8pMbNcYwnrqXzxM4aDj2ZEsUoKN+639RXU:SvfsGEQG4v8jMbenrezK4aD7oK/NxU

    • 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.

    • 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.

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • 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