General

  • Target

    b7fc28f25a4aa0b3a8030419c4aa0f0004e15f67496c5c71fcebbe4b1b583f58

  • Size

    938KB

  • Sample

    240204-egk3kshad4

  • MD5

    668bbd74dce8327ef8c8f3db867bf0c5

  • SHA1

    7f5dda62660a333031b76d96e227866ad16afc75

  • SHA256

    b7fc28f25a4aa0b3a8030419c4aa0f0004e15f67496c5c71fcebbe4b1b583f58

  • SHA512

    652cb1c90ab38ee5f5e07e413113c340f36c8990f50264e0b4bdb67513cef485c02554e9544dd76d86c6d763c6e16cb3d71cd77a6607eb528198622f7d796f04

  • SSDEEP

    12288:XBHxXqjO+2Km0w36aqjMb5gjFyiHAoENT6PbBax7UqU3db98ySZXtW8EfNLPZTrN:RHxXwO+A/3U4MyXcwx7qtb9HSBQtPBp

Malware Config

Targets

    • Target

      b7fc28f25a4aa0b3a8030419c4aa0f0004e15f67496c5c71fcebbe4b1b583f58

    • Size

      938KB

    • MD5

      668bbd74dce8327ef8c8f3db867bf0c5

    • SHA1

      7f5dda62660a333031b76d96e227866ad16afc75

    • SHA256

      b7fc28f25a4aa0b3a8030419c4aa0f0004e15f67496c5c71fcebbe4b1b583f58

    • SHA512

      652cb1c90ab38ee5f5e07e413113c340f36c8990f50264e0b4bdb67513cef485c02554e9544dd76d86c6d763c6e16cb3d71cd77a6607eb528198622f7d796f04

    • SSDEEP

      12288:XBHxXqjO+2Km0w36aqjMb5gjFyiHAoENT6PbBax7UqU3db98ySZXtW8EfNLPZTrN:RHxXwO+A/3U4MyXcwx7qtb9HSBQtPBp

    • 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