General

  • Target

    bd499108bc5684a3c356097facf9783a8f2331f63d7749363bb6c739ccc9c248

  • Size

    1.4MB

  • Sample

    240204-egrkcsbdbk

  • MD5

    eba840631908d1b6510df1ad7e64d5ce

  • SHA1

    47f8ba9971bd484a48e4960f0fc7bd9f3643232a

  • SHA256

    bd499108bc5684a3c356097facf9783a8f2331f63d7749363bb6c739ccc9c248

  • SHA512

    a4e711746b78a233ebf91fa7735695f1b17acf4b4296248aea0b39c78a51837d0c3617b0fbf89a6a9466c10fed4412fa34109b6957bcfca3d64cc5a4374555a2

  • SSDEEP

    24576:k0aJxn2Juo1nylyUK3TkosLHCzKyewLms4xuyEuUV21ACcmFkzeyl6KtkGuTWn6f:VWxn2Ju8EK3TkosLGZewLmsYErU6Z/la

Malware Config

Targets

    • Target

      bd499108bc5684a3c356097facf9783a8f2331f63d7749363bb6c739ccc9c248

    • Size

      1.4MB

    • MD5

      eba840631908d1b6510df1ad7e64d5ce

    • SHA1

      47f8ba9971bd484a48e4960f0fc7bd9f3643232a

    • SHA256

      bd499108bc5684a3c356097facf9783a8f2331f63d7749363bb6c739ccc9c248

    • SHA512

      a4e711746b78a233ebf91fa7735695f1b17acf4b4296248aea0b39c78a51837d0c3617b0fbf89a6a9466c10fed4412fa34109b6957bcfca3d64cc5a4374555a2

    • SSDEEP

      24576:k0aJxn2Juo1nylyUK3TkosLHCzKyewLms4xuyEuUV21ACcmFkzeyl6KtkGuTWn6f:VWxn2Ju8EK3TkosLGZewLmsYErU6Z/la

    • Detect Fabookie payload

    • Fabookie

      Fabookie is facebook account info stealer.

    • Glupteba

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

    • Glupteba payload

    • Modifies Windows Defender Real-time Protection settings

    • UAC bypass

    • Windows security bypass

    • Modifies boot configuration data using bcdedit

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Modifies Windows Firewall

    • Possible attempt to disable PatchGuard

      Rootkits can use kernel patching to embed themselves in an operating system.

    • 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 WinMon driver.

      Roottkits write to WinMon to hide PIDs from being detected.

    • 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