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General

  • Target

    288c47bbc1871b439df19ff4df68f07776.exe

  • Size

    4.5MB

  • Sample

    240228-qmlf3sce61

  • MD5

    2c7078b90caee9d791dd338c2441ca32

  • SHA1

    56901d99127fd701353ab7c68e66c94c49eb507c

  • SHA256

    8ad20c4b4c312feb468a58d1748c0d7abba3dd2d0fb8e6bfbee837c47a0e8c5a

  • SHA512

    000d81908bc2df1f09fcbf0ac50c72079064923f23fbea2ee0868590eaf693dff4246bb0090083aaec6f031b11353147393b710f72cd1e3630c2ecd071401ef6

  • SSDEEP

    98304:5LGSrOpzjhc9lEoupup/jJ1hPE73PGV6F8bnYFc+x69kDP83i:kdjK9lZuEprhEjC7Y69+Pmi

Malware Config

Targets

    • Target

      288c47bbc1871b439df19ff4df68f07776.exe

    • Size

      4.5MB

    • MD5

      2c7078b90caee9d791dd338c2441ca32

    • SHA1

      56901d99127fd701353ab7c68e66c94c49eb507c

    • SHA256

      8ad20c4b4c312feb468a58d1748c0d7abba3dd2d0fb8e6bfbee837c47a0e8c5a

    • SHA512

      000d81908bc2df1f09fcbf0ac50c72079064923f23fbea2ee0868590eaf693dff4246bb0090083aaec6f031b11353147393b710f72cd1e3630c2ecd071401ef6

    • SSDEEP

      98304:5LGSrOpzjhc9lEoupup/jJ1hPE73PGV6F8bnYFc+x69kDP83i:kdjK9lZuEprhEjC7Y69+Pmi

    • Glupteba

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

    • Glupteba payload

    • Windows security bypass

    • XMRig Miner payload

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • Modifies boot configuration data using bcdedit

    • 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 computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • 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

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

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

    • Creates a large amount of network flows

      This may indicate a network scan to discover remotely running services.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • 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

MITRE ATT&CK Enterprise v15

Tasks