General
- Target Bon.zip
- Size 49.8MB
- Sample250115-vpr4vszrep
- SHA256 755bd7f1fc6e93c3a69a1125dd74735895bdbac9b7cabad0506195a066bdde42
- MD5 65259c11e1ff8d040f9ec58524a47f02
- SHA1 2d5a24f7cadd10140dd6d3dd0dc6d0f02c2d40fd
- SHA512 37096eeb1ab0e11466c084a9ce78057e250f856b919cb9ef3920dad29b2bb2292daabbee15c64dc7bc2a48dd930a52a2fb9294943da2c1c3692863cec2bae03d
- SSDEEP 1572864:JrXJmVPHHpgbw+ojykM3VO+4hG1peXyKRL2U:J1m5npwwRvgO3ipVAl
- MD5 SHA1 SHA512 SSDEEP
Static task
static1
Behavioral task
behavioral1
Sample
BonziBuddy432.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
BonziBuddy432.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral3
Sample
BonziBuddy432.exe
Resource
win10ltsc2021-20250113-en
Malware Config
Targets
-
- Target BonziBuddy432.exe
- Size 49.9MB
- SHA256 f1e859d99072e35f20e172d8458e3ea1baf8ba86c8c9e311a0debcd2acd5d0fc
- MD5 06d87d4c89c76cb1bcb2f5a5fc4097d1
- SHA1 657248f78abfa9015b77c431f2fd8797481478fd
- SHA512 12bcc681544bfc0cb5f1a3c2e5e3d475efdf5abb8bf0e18cb18f529a82d551f39e16de2d3f0664c2c2cbfab2bc4702e256b958acadca53424e6d8760b6f457f9
- SSDEEP 1572864:HVGKQzdb8P3XxxOtGpBXFqRDjSghMDDqRDAtzq9:HVcdeXzOoP1OjfgDOo2
- MD5 SHA1 SHA512 SSDEEP
-
Modifies WinLogon for persistence
-
Modifies visibility of file extensions in Explorer
-
Boot or Logon Autostart Execution: Active Setup
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
-
Downloads MZ/PE file
-
Drops file in Drivers directory
-
Modifies RDP port number used by Windows
-
Sets service image path in registry
-
Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Credentials from Password Stores: Windows Credential Manager
Suspicious access to Credentials History.
-
Drops startup file
-
Event Triggered Execution: Component Object Model Hijacking
Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.
-
Executes dropped EXE
-
Impair Defenses: Safe Mode Boot
-
Loads dropped DLL
-
System Binary Proxy Execution: Rundll32
Abuse Rundll32 to proxy execution of malicious code.
-
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.
-
Drops desktop.ini file(s)
-
Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
-
AutoIT Executable
AutoIT scripts compiled to PE executables.
-
Boot or Logon Autostart Execution: Authentication Package
Suspicious Windows Authentication Registry Modification.
-
Drops file in System32 directory
-
Sets desktop wallpaper using registry
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
5Active Setup
1Authentication Package
1Registry Run Keys / Startup Folder
2Winlogon Helper DLL
1Event Triggered Execution
1Component Object Model Hijacking
1Privilege Escalation
Boot or Logon Autostart Execution
5Active Setup
1Authentication Package
1Registry Run Keys / Startup Folder
2Winlogon Helper DLL
1Event Triggered Execution
1Component Object Model Hijacking
1Defense Evasion
Hide Artifacts
1Hidden Files and Directories
1Impair Defenses
1Safe Mode Boot
1Modify Registry
10Subvert Trust Controls
2Install Root Certificate
1SIP and Trust Provider Hijacking
1System Binary Proxy Execution
1Rundll32
1Credential Access
Credentials from Password Stores
2Credentials from Web Browsers
1Windows Credential Manager
1Unsecured Credentials
1Credentials In Files
1