General
-
Target
https://www.yandex.com.tr/search/?text=bonzi+buddy+download&clid=2411726&lr=11508
-
Sample
240903-zp4vwawhmm
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
https://www.yandex.com.tr/search/?text=bonzi+buddy+download&clid=2411726&lr=11508
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
https://www.yandex.com.tr/search/?text=bonzi+buddy+download&clid=2411726&lr=11508
Resource
win11-20240802-en
Malware Config
Extracted
crimsonrat
185.136.161.124
Targets
-
-
Target
https://www.yandex.com.tr/search/?text=bonzi+buddy+download&clid=2411726&lr=11508
-
Cobalt Strike reflective loader
Detects the reflective loader used by Cobalt Strike.
-
CrimsonRAT main payload
-
Detects Kaiten/Tsunami Payload
-
Modifies boot configuration data using bcdedit
-
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 Windows Firewall
-
Office macro that triggers on suspicious action
Office document macro which triggers in special circumstances - often malicious.
-
Sets service image path in registry
-
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
-
Loads dropped DLL
-
Modifies system executable filetype association
-
Unexpected DNS network traffic destination
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
-
Adds Run key to start application
-
Blocklisted process makes network request
-
Checks for any installed AV software in registry
-
Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
Drops Chrome extension
-
Drops desktop.ini file(s)
-
Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
-
Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
-
Modifies WinLogon
-
Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating system.
-
Checks system information in the registry
System information is often read in order to detect sandboxing environments.
-
Drops file in System32 directory
-
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
4Active Setup
1Registry Run Keys / Startup Folder
2Winlogon Helper DLL
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
3Change Default File Association
1Component Object Model Hijacking
1Netsh Helper DLL
1Pre-OS Boot
1Bootkit
1Privilege Escalation
Boot or Logon Autostart Execution
4Active Setup
1Registry Run Keys / Startup Folder
2Winlogon Helper DLL
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
3Change Default File Association
1Component Object Model Hijacking
1Netsh Helper DLL
1Defense Evasion
Hide Artifacts
1Hidden Files and Directories
1Impair Defenses
1Disable or Modify System Firewall
1Modify Registry
7Pre-OS Boot
1Bootkit
1Subvert Trust Controls
2Install Root Certificate
1SIP and Trust Provider Hijacking
1Discovery
Browser Information Discovery
1Network Share Discovery
1Peripheral Device Discovery
2Query Registry
7Software Discovery
1Security Software Discovery
1System Information Discovery
8System Location Discovery
1System Language Discovery
1System Network Configuration Discovery
1Internet Connection Discovery
1