Resubmissions

04-02-2024 07:53

240204-jrbn4scgf4 10

11-12-2023 04:52

231211-fhe4dsddan 1

General

  • Target

    3fe2d1159ccf7ea1e268d05b20500e51dcde40d10475b0a07cd8ee00fe5776a5

  • Size

    8.2MB

  • Sample

    240204-jrbn4scgf4

  • MD5

    7f3d40886fe5e5a11e355109d1023770

  • SHA1

    15db679a34a7ddfcdf49b714eb1e79aae5ab874f

  • SHA256

    3fe2d1159ccf7ea1e268d05b20500e51dcde40d10475b0a07cd8ee00fe5776a5

  • SHA512

    bf498aefc593d7b9e65005070d7969cd96e67676015f8eb438704e171e8cf648757ee29d8ad243f71c759ac4e739a2097a1b1e139043fa26c21ccef93ade327a

  • SSDEEP

    49152:qTMwdugBpEerMDMnLzZynH3p9Pz4mRwtjLyhN+4O+HS3oBY8WheKQXBna8CuKQ3R:q+e4+/ZynH3p543tjOT+4pdTCRiR

Malware Config

Targets

    • Target

      3fe2d1159ccf7ea1e268d05b20500e51dcde40d10475b0a07cd8ee00fe5776a5

    • Size

      8.2MB

    • MD5

      7f3d40886fe5e5a11e355109d1023770

    • SHA1

      15db679a34a7ddfcdf49b714eb1e79aae5ab874f

    • SHA256

      3fe2d1159ccf7ea1e268d05b20500e51dcde40d10475b0a07cd8ee00fe5776a5

    • SHA512

      bf498aefc593d7b9e65005070d7969cd96e67676015f8eb438704e171e8cf648757ee29d8ad243f71c759ac4e739a2097a1b1e139043fa26c21ccef93ade327a

    • SSDEEP

      49152:qTMwdugBpEerMDMnLzZynH3p9Pz4mRwtjLyhN+4O+HS3oBY8WheKQXBna8CuKQ3R:q+e4+/ZynH3p543tjOT+4pdTCRiR

    • Detect Fabookie payload

    • Fabookie

      Fabookie is facebook account info stealer.

    • Glupteba

      Glupteba is a modular loader written in Golang with various components.

    • Glupteba payload

    • UAC bypass

    • Windows security bypass

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Modifies Windows Firewall

    • 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.

    • Drops startup file

    • 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.

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Windows security modification

    • Adds Run key to start application

    • Checks for any installed AV software in registry

    • 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 Chrome extension

    • Drops desktop.ini file(s)

    • Enumerates connected drives

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

    • Legitimate hosting services abused for malware hosting/C2

    • Manipulates WinMonFS driver.

      Roottkits write to WinMonFS to hide directories/files from being detected.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks