glupteba

General

Target

b8f82a1752d1752e01cb87e4651174c0b628b125aca23c0fde9f3336c2904664
Size

4.1MB
Sample

240518-cw4r5aga2x
MD5

18a553ef1d258cebe523621e65c5d61c
SHA1

4bd6447ea3c6f42e47e207b30d039c169d0722ac
SHA256

b8f82a1752d1752e01cb87e4651174c0b628b125aca23c0fde9f3336c2904664
SHA512

76789a726e92b754e7bd632c222a9cc53d2af19aa3a7dd89ecb90a6cc049613b814dc1c9016481689b1784446c9c5c7e1792f471e26f520a6c7f8330700306c7
SSDEEP

98304:83tbwrB0kIuN3D8bfUXVQCwP9Kpl7QJG8rgohSw8D2z60ht59X5:8dQIuMQA9oQJ/gXD2

Score

10^/10

Malware Config

Targets

- Target
  
  b8f82a1752d1752e01cb87e4651174c0b628b125aca23c0fde9f3336c2904664
- Size
  
  4.1MB
- MD5
  
  18a553ef1d258cebe523621e65c5d61c
- SHA1
  
  4bd6447ea3c6f42e47e207b30d039c169d0722ac
- SHA256
  
  b8f82a1752d1752e01cb87e4651174c0b628b125aca23c0fde9f3336c2904664
- SHA512
  
  76789a726e92b754e7bd632c222a9cc53d2af19aa3a7dd89ecb90a6cc049613b814dc1c9016481689b1784446c9c5c7e1792f471e26f520a6c7f8330700306c7
- SSDEEP
  
  98304:83tbwrB0kIuN3D8bfUXVQCwP9Kpl7QJG8rgohSw8D2z60ht59X5:8dQIuMQA9oQJ/gXD2
Score

10^/10

glupteba discovery dropper evasion loader persistence rootkit trojan upx execution
- Glupteba
  Glupteba is a modular loader written in Golang with various components.
  loader dropper glupteba
- Glupteba payload
- Windows security bypass
  evasion trojan
- Detects Windows executables referencing non-Windows User-Agents
- Detects executables Discord URL observed in first stage droppers
- Detects executables containing URLs to raw contents of a Github gist
- Detects executables containing artifacts associated with disabling Widnows Defender
- Detects executables referencing many varying, potentially fake Windows User-Agents
- Modifies boot configuration data using bcdedit
- UPX dump on OEP (original entry point)
- Drops file in Drivers directory
- Modifies Windows Firewall
  evasion
- Possible attempt to disable PatchGuard
  Rootkits can use kernel patching to embed themselves in an operating system.
  evasion
- Executes dropped EXE
- Loads dropped DLL
- UPX packed file
  Detects executables packed with UPX/modified UPX open source packer.
  upx
- Windows security modification
  evasion trojan
- Adds Run key to start application
  persistence
- Checks installed software on the system
  Looks up Uninstall key entries in the registry to enumerate software on the system.
  discovery
- Manipulates WinMon driver.
  Roottkits write to WinMon to hide PIDs from being detected.
  rootkit evasion
- Manipulates WinMonFS driver.
  Roottkits write to WinMonFS to hide directories/files from being detected.
  rootkit evasion
- Drops file in System32 directory
behavioral1 behavioral2