Malware Families Adapting To COM Hijacking Technique For Persistence
COM (Component Object Model) hijacking is a vogue all the plot in which thru which threat actors exploit the core structure of Home windows by adding a brand recent worth on a specific registry key connected to the COM object.
This permits the threat actors to develop both persistence and privilege escalation heading in the accurate route programs.
Alternatively, plenty of malware households believe been discovered to be utilizing this system to abuse COM objects.
Several samples of all these malware believe been discovered by researchers at VirusTotal since 2023.
COM Hijacking Technique For Persistence
Per the reports shared with Cyber Security Data, threat actors additionally abused plenty of COM objects for continual win admission to to the compromised programs.
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One of the most malware households that historical CLSID (Class ID) for utilizing this formula which believe been,
- Berbew
- RATs
- RATs w/ vulnerabilities and
- Spyware and adware
Berbew
Here’s opinion to be one of many most predominant malware households that abused this COM formula for persistence. This malware household makes a speciality of stealing credentials and exfiltrating them to C2 servers.
Alternatively, plenty of malware samples of this household historical a 2nd registry key for persistence by abusing the under COM objects:
- {79ECA078-17FF-726B-E811-213280E5C831}
- {79F CFF-OFFICE-815E-A900-316290B5B738}
- {79FAA099-1BAE-816E-D711-115290CEE717}
RATs
Loads of the A ways off Receive admission to Trojans (RATs) historical COM abusing ways such because the RemcosRAT and AsyncRAT utilizing the CLSID {89565275-A714-4a43-912E-978B935EDCCC}.
Furthermore, there believe been additionally varied RATs such as BitRATs and SugarGh0st RAT.
In the majority of the cases, the DLL historical by these malware households used to be utilizing the dynwrapx.dll.
Alternatively, a couple of of the malware kinds such because the XiaoBa historical the same ways by utilizing the same DLL for ransomware deployment.
RATs w/ Vulnerabilities
While there believe been RATs that by no formula utilized a vulnerability for abusing the COM objects, there believe been additionally RATs that utilized this formula, such because the Darkme RAT, which historical the CVE-2024-21412 (Web shortcut recordsdata security characteristic bypass) for compromising the programs.
Extra than one CLSID Utilization
In some cases, the malware households historical a pair of CLSIDs for abusing this COM hijacking formula.
The samples of these malware households additionally turned into off the Home windows Firewall and UAC for performing further actions for the length of the infection phases.
One instance is the Allaple worm malware household, which historical plenty of COM objects and made them present a malicious DLL for the length of execution.
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Spyware and adware
Citrio used to be opinion to be one of many spyware that used to be designed by the Catalina group, which, in its latest version, uses the COM object hijacking formula for persistence.
The spyware drops plenty of malicious DLLs under the hide of Google Update, which possesses the flexibility to effect products and services on the system.
All of these malware households believe varied execution and usage folders for shedding their payloads. One of the most most classic folders historical by these malware are
- qmacro
- mymacro
- MacroCommerce
- Plugin
- Microsoft
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Indicators Of Compromise
CLSID – COM Objects
- 79FAA099-1BAE-816E-D711-115290CEE717
- EBEB87A6-E151-4054-AB45-A6E094C5334B
- 241D7F03-9232-4024-8373-149860BE27C0
- C07DB6A3-34FC-4084-BE2E-76BB9203B049
- 79ECA078-17FF-726B-E811-213280E5C831
- 22C6C651-F6EA-46BE-BC83-54E83314C67F
- F4CBF20B-F634-4095-B64A-2EBCDD9E560E
- 57477331-126E-4FC8-B430-1C6143484AA9
- C73F6F30-97A0-4AD1-A08F-540D4E9BC7B9
- 89565275-A714-4a43-912E-978B935EDCCC
- 26037A0E-7CBD-4FFF-9C63-56F2D0770214
- 16426152-126E-4FC8-B430-1C6143484AA9
- 33414471-126E-4FC8-B430-1C6143484AA9
- 23716116-126E-4FC8-B430-1C6143484AA9
- D4D4D7B7-1774-4FE5-ABA8-4CC0B99452B4
- 79FEACFF-FFCE-815E-A900-316290B5B738
- 74A94F46-4FC5-4426-857B-FCE9D9286279
Current Paths Old In the center of COM Object Persistence
- C:Users
AppDataRoaming - C:Users
AppDataRoamingqmacro - C:Users
AppDataRoamingmymacro - C:Users
AppDataRoamingMacroCommerce - C:Users
AppDataRoamingPlugin - C:Users
AppDataRoamingMicrosoft - C:Home windowsSysWow64
- C:Program Recordsdata (x86)
- C:Program Recordsdata (x86)Google
- C:Program Recordsdata (x86)Mozilla Firefox
- C:Program Recordsdata (x86)Microsoft
- C:Program Recordsdata (x86)Current Recordsdata
- C:Program Recordsdata (x86)Web Download Supervisor
- C:Users
AppDataLocal - C:Users
AppDataLocalTemp - C:Users
AppDataLocalMicrosoft - C:Users
AppDataLocalGoogle - C:Home windowsTemp
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Source credit : cybersecuritynews.com
