138172ff03949546f9b119a5620aa06f7e5e64e3e96b226e9c5a68c4ed3705a1

Analysis

max time kernel
107s
max time network
121s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
28-09-2024 16:20

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General

Target

fcaf497164b5d91cbe6c1fafbaba243e_JaffaCakes118.dll
Size

142KB
MD5

fcaf497164b5d91cbe6c1fafbaba243e
SHA1

23a798d8717ee3d31749976e973676156a05f528
SHA256

138172ff03949546f9b119a5620aa06f7e5e64e3e96b226e9c5a68c4ed3705a1
SHA512

29145b118d47b30fc71d6ef987f5c644dcb0ef070ad995c084804abdc62562bb731f200d253b0911487eaf12869814dedb5c3f4f97577ab3a49dd79a49ce35e1
SSDEEP

3072:HsKSXo+5UNSxl+hkeyt4dIyQyuiASTK6wJj:kb5XxQhJpcErw

Score

6^/10

adware discovery stealer

Malware Config

Signatures

Installs/modifies Browser Helper Object 2 TTPs 3 IoCs

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

stealer adware

Modify Registry

T1112

Browser Extensions

T1176

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{1cc2bb80-20ab-43e5-b958-432d72b546ca}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{1cc2bb80-20ab-43e5-b958-432d72b546ca}\ = "Great Find"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{1cc2bb80-20ab-43e5-b958-432d72b546ca}\NoExplorer = "1"	regsvr32.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe

Modifies registry class 34 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1cc2bb80-20ab-43e5-b958-432d72b546ca}\ = "Great Find"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1cc2bb80-20ab-43e5-b958-432d72b546ca}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C73E229D-5127-4E12-80EB-A51818F55311}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F4DD775F-ECBD-44A8-B472-916072DED4F7}\ = "IGreatFindBHO"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F4DD775F-ECBD-44A8-B472-916072DED4F7}\TypeLib\ = "{C73E229D-5127-4E12-80EB-A51818F55311}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C73E229D-5127-4E12-80EB-A51818F55311}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F4DD775F-ECBD-44A8-B472-916072DED4F7}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1cc2bb80-20ab-43e5-b958-432d72b546ca}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C73E229D-5127-4E12-80EB-A51818F55311}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F4DD775F-ECBD-44A8-B472-916072DED4F7}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F4DD775F-ECBD-44A8-B472-916072DED4F7}\TypeLib\ = "{C73E229D-5127-4E12-80EB-A51818F55311}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C73E229D-5127-4E12-80EB-A51818F55311}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F4DD775F-ECBD-44A8-B472-916072DED4F7}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1cc2bb80-20ab-43e5-b958-432d72b546ca}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1cc2bb80-20ab-43e5-b958-432d72b546ca}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1cc2bb80-20ab-43e5-b958-432d72b546ca}\Version	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1cc2bb80-20ab-43e5-b958-432d72b546ca}\Version\ = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C73E229D-5127-4E12-80EB-A51818F55311}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1cc2bb80-20ab-43e5-b958-432d72b546ca}\TypeLib\ = "{c73e229d-5127-4e12-80eb-a51818f55311}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C73E229D-5127-4E12-80EB-A51818F55311}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C73E229D-5127-4E12-80EB-A51818F55311}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\fcaf497164b5d91cbe6c1fafbaba243e_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F4DD775F-ECBD-44A8-B472-916072DED4F7}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F4DD775F-ECBD-44A8-B472-916072DED4F7}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1cc2bb80-20ab-43e5-b958-432d72b546ca}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1cc2bb80-20ab-43e5-b958-432d72b546ca}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\fcaf497164b5d91cbe6c1fafbaba243e_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C73E229D-5127-4E12-80EB-A51818F55311}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C73E229D-5127-4E12-80EB-A51818F55311}\1.0\ = "GreatFindIEClientLib"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C73E229D-5127-4E12-80EB-A51818F55311}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F4DD775F-ECBD-44A8-B472-916072DED4F7}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F4DD775F-ECBD-44A8-B472-916072DED4F7}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F4DD775F-ECBD-44A8-B472-916072DED4F7}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F4DD775F-ECBD-44A8-B472-916072DED4F7}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F4DD775F-ECBD-44A8-B472-916072DED4F7}\ = "IGreatFindBHO"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F4DD775F-ECBD-44A8-B472-916072DED4F7}\ProxyStubClsid32	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 916 wrote to memory of 2452	916	regsvr32.exe	82
PID 916 wrote to memory of 2452	916	regsvr32.exe	82
PID 916 wrote to memory of 2452	916	regsvr32.exe	82

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\fcaf497164b5d91cbe6c1fafbaba243e_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:916
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\fcaf497164b5d91cbe6c1fafbaba243e_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:2452

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Browser Extensions

T1176

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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