General

  • Target

    JC_cfe499d5025c4914875e21dfdccdb1f13fc2a756ec4b6234da0d6945802bf513

  • Size

    4.2MB

  • Sample

    231013-cpyyascd72

  • MD5

    acd97673aba43c6fc65ffe518e83847a

  • SHA1

    c2f6fc054d2d698764234b2f6dec31cc05f34f00

  • SHA256

    cfe499d5025c4914875e21dfdccdb1f13fc2a756ec4b6234da0d6945802bf513

  • SHA512

    32c0e6fa0cfa07437215b7ccdd0b188e66832003842a46c26b18cfb8f1f11401398553524468bd42d8b2c6e8182f9929097355e2eea4b622bfbec620818a867c

  • SSDEEP

    98304:0nQg2sCEngkWUwbDRATNOFZlvNWZ3sU8+FidzTkz:IQYzWfbNAcFjNWZ3sUBFidz0

Malware Config

Targets

    • Target

      JC_cfe499d5025c4914875e21dfdccdb1f13fc2a756ec4b6234da0d6945802bf513

    • Size

      4.2MB

    • MD5

      acd97673aba43c6fc65ffe518e83847a

    • SHA1

      c2f6fc054d2d698764234b2f6dec31cc05f34f00

    • SHA256

      cfe499d5025c4914875e21dfdccdb1f13fc2a756ec4b6234da0d6945802bf513

    • SHA512

      32c0e6fa0cfa07437215b7ccdd0b188e66832003842a46c26b18cfb8f1f11401398553524468bd42d8b2c6e8182f9929097355e2eea4b622bfbec620818a867c

    • SSDEEP

      98304:0nQg2sCEngkWUwbDRATNOFZlvNWZ3sU8+FidzTkz:IQYzWfbNAcFjNWZ3sUBFidz0

    • Glupteba

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

    • Glupteba payload

    • Windows security bypass

    • Modifies boot configuration data using bcdedit

    • 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.

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

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

    • Windows security modification

    • 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.

    • 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