General

  • Target

    file.exe

  • Size

    1.7MB

  • Sample

    241120-crt25atjam

  • MD5

    af00fae5bf606001c0c6ef0b98fb54d0

  • SHA1

    a24fe73ec0b2d0190d3f6f068ca3c13a6cde4fd3

  • SHA256

    8b1fbd75e6fcdf963260148537cae0d876130656c343518a5d7623937d4f0881

  • SHA512

    e08d6691ed7092e2f569391ef89c6b3528630ff449372b064e06ebde2e7de482517e7407c81ce75a190d74936c64a0c31f5acc23efeffe6f54622184f780a5bc

  • SSDEEP

    24576:fVIhhuGqyQIrSITgOIubNQb6KAnOMK0HKKEfbULhQmo1936905EnoK5RLSEzqt9v:uh8IrZhrO2KAnOMg5fbULhQmo19Cnqb

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

      af00fae5bf606001c0c6ef0b98fb54d0

    • SHA1

      a24fe73ec0b2d0190d3f6f068ca3c13a6cde4fd3

    • SHA256

      8b1fbd75e6fcdf963260148537cae0d876130656c343518a5d7623937d4f0881

    • SHA512

      e08d6691ed7092e2f569391ef89c6b3528630ff449372b064e06ebde2e7de482517e7407c81ce75a190d74936c64a0c31f5acc23efeffe6f54622184f780a5bc

    • SSDEEP

      24576:fVIhhuGqyQIrSITgOIubNQb6KAnOMK0HKKEfbULhQmo1936905EnoK5RLSEzqt9v:uh8IrZhrO2KAnOMg5fbULhQmo19Cnqb

    • 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