250bb9a88571aba3a0407d31d2a8c15e4acc02c57c3a6add252212988ebda97e

Analysis

max time kernel
18s
max time network
19s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
12/07/2024, 22:40

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General

Target

3f285ab191685a9179daba18f6ee0020_JaffaCakes118.dll
Size

116KB
MD5

3f285ab191685a9179daba18f6ee0020
SHA1

217f824ebcc7bdf8c94ec3325c4a2a7b0a662f6d
SHA256

250bb9a88571aba3a0407d31d2a8c15e4acc02c57c3a6add252212988ebda97e
SHA512

496be2777b30b96123034b88144343f03d7f95ff55ccb1aad232104dadde9aeaba07d5ab8b5dc6c6e3223e4e92aee470fd4958851b3fb63f6f60ac54f1ca85d1
SSDEEP

3072:FN0GxvNd6zH7Qmb/GcndhkCudjLOadSScvuvuYCqkly8lQ4mmmokGsALQ:FNnVParGvunqkl/lQ4DulM

Score

6^/10

adware stealer

Malware Config

Signatures

Installs/modifies Browser Helper Object 2 TTPs 1 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\{BF50AC63-19DA-487E-AD4A-0B452D823B59}	regsvr32.exe

Modifies Internet Explorer settings 1 TTPs 3 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Version Vector\	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\	regsvr32.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\WarnOnClose = "0"	regsvr32.exe

Modifies registry class 49 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{C86B82BE-3E84-4F71-8323-F12BB71D9CB2}\ = "IIEHlprObj"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\ = "BrowserPanel"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{C86B82BE-3E84-4F71-8323-F12BB71D9CB2}\TypeLib\ = "{4645A0E0-7B59-439A-BB73-D4159321E09B}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\ = "QuickFlash"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4645A0E0-7B59-439A-BB73-D4159321E09B}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4645A0E0-7B59-439A-BB73-D4159321E09B}\1.0\ = "QuickFlash 1.0 Type Library"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{C86B82BE-3E84-4F71-8323-F12BB71D9CB2}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C86B82BE-3E84-4F71-8323-F12BB71D9CB2}\TypeLib\ = "{4645A0E0-7B59-439A-BB73-D4159321E09B}"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\BLOD = "1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\CurVer\ = "IEHlprObj.IEHlprObj.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3f285ab191685a9179daba18f6ee0020_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4645A0E0-7B59-439A-BB73-D4159321E09B}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C86B82BE-3E84-4F71-8323-F12BB71D9CB2}\ = "IIEHlprObj"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0E5CBF21-D15F-11d0-8301-00AA005B4383}\InProcServer32\	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\FSHS = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\ProgID\ = "IEHlprObj.IEHlprObj.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4645A0E0-7B59-439A-BB73-D4159321E09B}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{C86B82BE-3E84-4F71-8323-F12BB71D9CB2}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C86B82BE-3E84-4F71-8323-F12BB71D9CB2}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C86B82BE-3E84-4F71-8323-F12BB71D9CB2}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4645A0E0-7B59-439A-BB73-D4159321E09B}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{C86B82BE-3E84-4F71-8323-F12BB71D9CB2}	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\CUDA = "5503"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\VersionIndependentProgID\ = "IEHlprObj.IEHlprObj"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4645A0E0-7B59-439A-BB73-D4159321E09B}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C86B82BE-3E84-4F71-8323-F12BB71D9CB2}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{C86B82BE-3E84-4F71-8323-F12BB71D9CB2}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{C86B82BE-3E84-4F71-8323-F12BB71D9CB2}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C86B82BE-3E84-4F71-8323-F12BB71D9CB2}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C86B82BE-3E84-4F71-8323-F12BB71D9CB2}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\CLSID\ = "{BF50AC63-19DA-487E-AD4A-0B452D823B59}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\ = "BrowserPanel"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4645A0E0-7B59-439A-BB73-D4159321E09B}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3f285ab191685a9179daba18f6ee0020_JaffaCakes118.dll"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\SJBC = "300"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4645A0E0-7B59-439A-BB73-D4159321E09B}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4645A0E0-7B59-439A-BB73-D4159321E09B}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4645A0E0-7B59-439A-BB73-D4159321E09B}\1.0\FLAGS\ = "0"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1896 wrote to memory of 1312	1896	regsvr32.exe	29
PID 1896 wrote to memory of 1312	1896	regsvr32.exe	29
PID 1896 wrote to memory of 1312	1896	regsvr32.exe	29
PID 1896 wrote to memory of 1312	1896	regsvr32.exe	29
PID 1896 wrote to memory of 1312	1896	regsvr32.exe	29
PID 1896 wrote to memory of 1312	1896	regsvr32.exe	29
PID 1896 wrote to memory of 1312	1896	regsvr32.exe	29

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\3f285ab191685a9179daba18f6ee0020_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1896
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\3f285ab191685a9179daba18f6ee0020_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies Internet Explorer settings
  - Modifies registry class
  PID:1312

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

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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