General

  • Target

    file.exe

  • Size

    1.7MB

  • Sample

    241123-tbl51stmfk

  • MD5

    915ecb2949f1c2ad737caa35856b4584

  • SHA1

    deaf66961d8b2dda755377ab791b8907b71cf9b5

  • SHA256

    9784693e6d3fe06c253e47536652da2ac85aa94b2d05d83230b2f9734529f854

  • SHA512

    bb015aeefc7151b3976e7643a143a0b9e3c47ab93d876186af9bd5dd582e900e21662f177f62021db803289b38d69839d26d463bf7d954ef8ab319289346cf0a

  • SSDEEP

    49152:aIGvHJ5IqgYd4DInvoXmnNDCcdYUDSJ5wup:aIUIqgYd40nvNDp45Rp

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

      915ecb2949f1c2ad737caa35856b4584

    • SHA1

      deaf66961d8b2dda755377ab791b8907b71cf9b5

    • SHA256

      9784693e6d3fe06c253e47536652da2ac85aa94b2d05d83230b2f9734529f854

    • SHA512

      bb015aeefc7151b3976e7643a143a0b9e3c47ab93d876186af9bd5dd582e900e21662f177f62021db803289b38d69839d26d463bf7d954ef8ab319289346cf0a

    • SSDEEP

      49152:aIGvHJ5IqgYd4DInvoXmnNDCcdYUDSJ5wup:aIUIqgYd40nvNDp45Rp

    • 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