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General

  • Target

    LOUD (1).exe

  • Size

    6.6MB

  • Sample

    240928-cgbssstdpf

  • MD5

    0dff13e4c70c094b2972d640c3695103

  • SHA1

    5769dc915217ce43551ad3eddacdc893d3fbc1dd

  • SHA256

    97394c6d3371e8e3dd62d70ebcda4c8ad02b6a6c9bc69b38eb5fef22f030533e

  • SHA512

    a53105e4b711f7734e2f1f45f632d54961c57451554440a12e6beddd43cf248aeef340e59d01693452dcbe788b635112275572012c10b06855a91736bc63de54

  • SSDEEP

    98304:mMamq8pxmx/ZRCJhO1WnVfv6UuaBdZGxTFOgpFbjEIRYd3ZR4zyrIiZf5VhZrIq:mtmZpyh8bVnxBdkxTbzXGdJiiZfrh

Malware Config

Targets

    • Target

      LOUD (1).exe

    • Size

      6.6MB

    • MD5

      0dff13e4c70c094b2972d640c3695103

    • SHA1

      5769dc915217ce43551ad3eddacdc893d3fbc1dd

    • SHA256

      97394c6d3371e8e3dd62d70ebcda4c8ad02b6a6c9bc69b38eb5fef22f030533e

    • SHA512

      a53105e4b711f7734e2f1f45f632d54961c57451554440a12e6beddd43cf248aeef340e59d01693452dcbe788b635112275572012c10b06855a91736bc63de54

    • SSDEEP

      98304:mMamq8pxmx/ZRCJhO1WnVfv6UuaBdZGxTFOgpFbjEIRYd3ZR4zyrIiZf5VhZrIq:mtmZpyh8bVnxBdkxTbzXGdJiiZfrh

    • 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.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Adds Run key to start application

    • Blocklisted process makes network request

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Checks whether UAC is enabled

    • Drops desktop.ini file(s)

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks