General

  • Target

    8a7d14337e9095df18da098b09f5d2b72dd581c137078e7567d56e1d7e63b3e0

  • Size

    4.2MB

  • Sample

    230608-s7zkjshc6w

  • MD5

    3bd587eaa2aa1843570c54839601ba6f

  • SHA1

    8eca41cd33e65af9143d7bf0ee882f35d2d5a10d

  • SHA256

    8a7d14337e9095df18da098b09f5d2b72dd581c137078e7567d56e1d7e63b3e0

  • SHA512

    345d66fb36caf3d490967c164eff3e00597dd716bd30c7ee6828a11b477533641813c9ad6825caed172cf941ff7b8e00c596156466135b2d26e6901aae4ef303

  • SSDEEP

    98304:kD6BJq3x/k9BOyFc5DGITwYQhAAFeX50i+XvH1mMBgMW/O:5isB3chGrWAkX50iivVmbMkO

Malware Config

Targets

    • Target

      8a7d14337e9095df18da098b09f5d2b72dd581c137078e7567d56e1d7e63b3e0

    • Size

      4.2MB

    • MD5

      3bd587eaa2aa1843570c54839601ba6f

    • SHA1

      8eca41cd33e65af9143d7bf0ee882f35d2d5a10d

    • SHA256

      8a7d14337e9095df18da098b09f5d2b72dd581c137078e7567d56e1d7e63b3e0

    • SHA512

      345d66fb36caf3d490967c164eff3e00597dd716bd30c7ee6828a11b477533641813c9ad6825caed172cf941ff7b8e00c596156466135b2d26e6901aae4ef303

    • SSDEEP

      98304:kD6BJq3x/k9BOyFc5DGITwYQhAAFeX50i+XvH1mMBgMW/O:5isB3chGrWAkX50iivVmbMkO

    • Glupteba

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

    • Glupteba payload

    • Windows security bypass

    • Modifies Windows Firewall

    • Executes dropped EXE

    • 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 WinMonFS driver.

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

    • Drops file in System32 directory

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Disabling Security Tools

2
T1089

Modify Registry

3
T1112

Discovery

Query Registry

2
T1012

System Information Discovery

1
T1082

Tasks