General

  • Target

    https://bonzi.link/

  • Sample

    250205-kbkgrazmfj

Malware Config

Extracted

Family

danabot

C2

51.178.195.151

51.222.39.81

149.255.35.125

38.68.50.179

51.77.7.204

rsa_pubkey.plain

Targets

    • Adds autorun key to be loaded by Explorer.exe on startup

    • Danabot

      Danabot is a modular banking Trojan that has been linked with other malware.

    • Danabot family

    • Modifies WinLogon for persistence

    • Modifies firewall policy service

    • Modifies security service

    • Blocklisted process makes network request

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Boot or Logon Autostart Execution: Port Monitors

      Adversaries may use port monitors to run an adversary supplied DLL during system boot for persistence or privilege escalation.

    • Downloads MZ/PE file

    • Event Triggered Execution: Image File Execution Options Injection

    • Manipulates Digital Signatures

      Attackers can apply techniques such as changing the registry keys of authenticode & Cryptography to obtain their binary as valid.

    • Boot or Logon Autostart Execution: Print Processors

      Adversaries may abuse print processors to run malicious DLLs during system boot for persistence and/or privilege escalation.

    • Executes dropped EXE

    • Impair Defenses: Safe Mode Boot

    • Loads dropped DLL

    • Modifies system executable filetype association

    • 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.

    • Indicator Removal: Clear Persistence

      remove IFEO.

    • Installs/modifies Browser Helper Object

      BHOs are DLL modules which act as plugins for Internet Explorer.

    • Legitimate hosting services abused for malware hosting/C2

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Modifies WinLogon

    • Network Share Discovery

      Attempt to gather information on host network.

    • Drops autorun.inf file

      Malware can abuse Windows Autorun to spread further via attached volumes.

    • Drops file in System32 directory

    • UPX packed file

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

MITRE ATT&CK Enterprise v15

Tasks