General

  • Target

    file.exe

  • Size

    1.7MB

  • Sample

    241120-kl1aystfrc

  • MD5

    f606993b2d650ae388adda55d42b7e17

  • SHA1

    c6c016892a7d17c3c8575c9577f344c886dbbca6

  • SHA256

    c16911abc93470f42ddb1714b510d25394238d3b42bc35e4e7a944dd3262690e

  • SHA512

    ab757797767fd0d17593ece660fbc6c79092673d69523af5a4a85e9fc74c1196f464801c993ca7b31f3aa14575ff3a7b0f2423fbfa4b64b40a473ee2a5b42d15

  • SSDEEP

    49152:s8RemtT6a+RvBAzfnz1aCwPuyKs4tFu+ZxT+CYyQ+A:1Re+T6aypK/zQTes4tFVZxybl

Malware Config

Extracted

Family

stealc

Botnet

mars

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Targets

    • Target

      file.exe

    • Size

      1.7MB

    • MD5

      f606993b2d650ae388adda55d42b7e17

    • SHA1

      c6c016892a7d17c3c8575c9577f344c886dbbca6

    • SHA256

      c16911abc93470f42ddb1714b510d25394238d3b42bc35e4e7a944dd3262690e

    • SHA512

      ab757797767fd0d17593ece660fbc6c79092673d69523af5a4a85e9fc74c1196f464801c993ca7b31f3aa14575ff3a7b0f2423fbfa4b64b40a473ee2a5b42d15

    • SSDEEP

      49152:s8RemtT6a+RvBAzfnz1aCwPuyKs4tFu+ZxT+CYyQ+A:1Re+T6aypK/zQTes4tFVZxybl

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks