General

  • Target

    987b2a963feaca33452ac5dda999e1447f2732014c71c3bc3f5ced7d3227886a

  • Size

    4.2MB

  • Sample

    241120-mst4mawjay

  • MD5

    abf203dd0126ad56347d05e2c0f48322

  • SHA1

    b6efee54668e99435319d65f634459eb561c1491

  • SHA256

    987b2a963feaca33452ac5dda999e1447f2732014c71c3bc3f5ced7d3227886a

  • SHA512

    9c0f42d430a1df1b6b87cb3414dc0ac72524958b4cb4c080bac083ffef4948c011d26c20291ae2e5e46b1dbd20eb325e8657c067fffc9094ff5c0adf12a4e4e1

  • SSDEEP

    98304:Rw6KaeYjBOfsJGtc1JQ1hl6ulpWE1Vz5VIw+LTiBNZq/sae4t1F+y:a6Kj6BQsJG6jQ1hflBvXInLEbsTe+L

Malware Config

Targets

    • Target

      987b2a963feaca33452ac5dda999e1447f2732014c71c3bc3f5ced7d3227886a

    • Size

      4.2MB

    • MD5

      abf203dd0126ad56347d05e2c0f48322

    • SHA1

      b6efee54668e99435319d65f634459eb561c1491

    • SHA256

      987b2a963feaca33452ac5dda999e1447f2732014c71c3bc3f5ced7d3227886a

    • SHA512

      9c0f42d430a1df1b6b87cb3414dc0ac72524958b4cb4c080bac083ffef4948c011d26c20291ae2e5e46b1dbd20eb325e8657c067fffc9094ff5c0adf12a4e4e1

    • SSDEEP

      98304:Rw6KaeYjBOfsJGtc1JQ1hl6ulpWE1Vz5VIw+LTiBNZq/sae4t1F+y:a6Kj6BQsJG6jQ1hflBvXInLEbsTe+L

    • 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