General

  • Target

    0OTD8_random.exe

  • Size

    1.8MB

  • Sample

    250215-t1ga3atnf1

  • MD5

    411303148c2c132ec3b30a97c1936cf9

  • SHA1

    9693f9e29924d1bbb1bf87f10707c74d1df7e996

  • SHA256

    dc9c553a3ff7574b1007f70a911f10ca22590a7661dfb84a25c5009d1b564fbb

  • SHA512

    f27dce51cbed73bb3f1b8fb977d3168f5778bab24b4c762f16333adfb9d93ce1b476a3277d994ee429781919385846c68c618c5d72b38ca6a7bc82f9c658dbdd

  • SSDEEP

    24576:5oplyMtRrcEVZQuiws76pon4/JaaT2cEMeUkt2BgHTczSS/yyvX6em4yWgw:5opPR5ZQuiws76p/iSiAllyyvdm4I

Malware Config

Extracted

Family

stealc

Botnet

reno

C2

http://185.215.113.115

Attributes
  • url_path

    /c4becf79229cb002.php

Targets

    • Target

      0OTD8_random.exe

    • Size

      1.8MB

    • MD5

      411303148c2c132ec3b30a97c1936cf9

    • SHA1

      9693f9e29924d1bbb1bf87f10707c74d1df7e996

    • SHA256

      dc9c553a3ff7574b1007f70a911f10ca22590a7661dfb84a25c5009d1b564fbb

    • SHA512

      f27dce51cbed73bb3f1b8fb977d3168f5778bab24b4c762f16333adfb9d93ce1b476a3277d994ee429781919385846c68c618c5d72b38ca6a7bc82f9c658dbdd

    • SSDEEP

      24576:5oplyMtRrcEVZQuiws76pon4/JaaT2cEMeUkt2BgHTczSS/yyvX6em4yWgw:5opPR5ZQuiws76p/iSiAllyyvdm4I

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

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

    • Downloads MZ/PE file

    • Checks BIOS information in registry

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

    • Executes dropped EXE

    • Identifies Wine through registry keys

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

    • Loads dropped DLL

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • 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.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks