General

  • Target

    file.exe

  • Size

    4.2MB

  • Sample

    241121-2xte8aynhv

  • MD5

    7300372edfa809331d4b525a77c2a93d

  • SHA1

    0540bbbf3b91b4ebbe67807be1c3fd1db091044c

  • SHA256

    524c9cae1f3bbe7c51d7adf150591c598977e035f2fb86236bc588843d352507

  • SHA512

    af1ac02b02c439cb718703a40e126583982fbc0aefbbf1992126899a099754b45f1839059332a1232be89c66af6f08fdec5aedae43c5389e5baa0d6d49c556b8

  • SSDEEP

    98304:fUcEyo6uqqQ0U6pNYLaPnRoQvaLklKLm9D5SbEsMf:f6yoSJCpWW/RPaq6QSbEr

Malware Config

Targets

    • Target

      file.exe

    • Size

      4.2MB

    • MD5

      7300372edfa809331d4b525a77c2a93d

    • SHA1

      0540bbbf3b91b4ebbe67807be1c3fd1db091044c

    • SHA256

      524c9cae1f3bbe7c51d7adf150591c598977e035f2fb86236bc588843d352507

    • SHA512

      af1ac02b02c439cb718703a40e126583982fbc0aefbbf1992126899a099754b45f1839059332a1232be89c66af6f08fdec5aedae43c5389e5baa0d6d49c556b8

    • SSDEEP

      98304:fUcEyo6uqqQ0U6pNYLaPnRoQvaLklKLm9D5SbEsMf:f6yoSJCpWW/RPaq6QSbEr

    • CryptBot

      CryptBot is a C++ stealer distributed widely in bundle with other software.

    • Cryptbot family

    • Detects CryptBot payload

      CryptBot is a C++ stealer distributed widely in bundle with other software.

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

    • Uses browser remote debugging

      Can be used control the browser and steal sensitive information such as credentials and session cookies.

    • Checks BIOS information in registry

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

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • 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 web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • 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