0664e8f88c4db8199bd30428c3e188ee2aa5d0f70dc862b983d601181c2a7328

Analysis

max time kernel
144s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
23/07/2024, 02:41

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General

Target

65d3c7a946676761f9b1860bc3ec4399_JaffaCakes118.dll
Size

47KB
MD5

65d3c7a946676761f9b1860bc3ec4399
SHA1

904d97a52a40400e0b60c7eebcb9ea762950e367
SHA256

0664e8f88c4db8199bd30428c3e188ee2aa5d0f70dc862b983d601181c2a7328
SHA512

e714c0e8327a875eca8dc1e0291915817500dbda814c26becdc051b6ba4385b76f0aa4e103267df9eba6124893dceb9bbc05cebcb486ea9bc669863ba155d214
SSDEEP

768:wy8cKutl1V7GoGUnqnymO8MdSkgISl8iWrMgiegyFkM7mzwD2Iyz7tKuCqMj:wy8c/16DUqny1Fd79iEiH+mzw6Iyft1b

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\{76C82222-C539-40F1-B9CE-EFAA956AE6D3}	regsvr32.exe

Modifies registry class 42 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{76C82222-C539-40F1-B9CE-EFAA956AE6D3}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{76C82228-C539-40F1-B9CE-EFAA956AE6D3}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{76C82228-C539-40F1-B9CE-EFAA956AE6D3}\1.0\ = "IEHelper 1.0 Type Library"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{76C82221-C539-40F1-B9CE-EFAA956AE6D3}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{76C82228-C539-40F1-B9CE-EFAA956AE6D3}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{76C82221-C539-40F1-B9CE-EFAA956AE6D3}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{76C82222-C539-40F1-B9CE-EFAA956AE6D3}\ProgID\ = "IEHlprObj.IEHlprObj.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{76C82222-C539-40F1-B9CE-EFAA956AE6D3}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{76C82228-C539-40F1-B9CE-EFAA956AE6D3}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{76C82222-C539-40F1-B9CE-EFAA956AE6D3}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{76C82222-C539-40F1-B9CE-EFAA956AE6D3}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{76C82222-C539-40F1-B9CE-EFAA956AE6D3}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{76C82228-C539-40F1-B9CE-EFAA956AE6D3}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\CLSID\ = "{76C82222-C539-40F1-B9CE-EFAA956AE6D3}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{76C82222-C539-40F1-B9CE-EFAA956AE6D3}\VersionIndependentProgID\ = "IEHlprObj.IEHlprObj"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{76C82228-C539-40F1-B9CE-EFAA956AE6D3}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{76C82221-C539-40F1-B9CE-EFAA956AE6D3}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{76C82221-C539-40F1-B9CE-EFAA956AE6D3}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{76C82221-C539-40F1-B9CE-EFAA956AE6D3}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{76C82221-C539-40F1-B9CE-EFAA956AE6D3}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{76C82222-C539-40F1-B9CE-EFAA956AE6D3}\ = "IEHlprObj Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{76C82222-C539-40F1-B9CE-EFAA956AE6D3}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\65d3c7a946676761f9b1860bc3ec4399_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{76C82228-C539-40F1-B9CE-EFAA956AE6D3}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{76C82228-C539-40F1-B9CE-EFAA956AE6D3}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{76C82228-C539-40F1-B9CE-EFAA956AE6D3}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{76C82221-C539-40F1-B9CE-EFAA956AE6D3}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{76C82221-C539-40F1-B9CE-EFAA956AE6D3}\TypeLib\ = "{76C82228-C539-40F1-B9CE-EFAA956AE6D3}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{76C82221-C539-40F1-B9CE-EFAA956AE6D3}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{76C82228-C539-40F1-B9CE-EFAA956AE6D3}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\65d3c7a946676761f9b1860bc3ec4399_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{76C82221-C539-40F1-B9CE-EFAA956AE6D3}\ = "IIEHlprObj"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{76C82221-C539-40F1-B9CE-EFAA956AE6D3}\TypeLib\ = "{76C82228-C539-40F1-B9CE-EFAA956AE6D3}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{76C82221-C539-40F1-B9CE-EFAA956AE6D3}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{76C82221-C539-40F1-B9CE-EFAA956AE6D3}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\ = "IEHlprObj Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\ = "IEHlprObj Class"	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\{76C82222-C539-40F1-B9CE-EFAA956AE6D3}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{76C82221-C539-40F1-B9CE-EFAA956AE6D3}\ = "IIEHlprObj"	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2528	regsvr32.exe
2528	regsvr32.exe
2528	regsvr32.exe
2528	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4716 wrote to memory of 2528	4716	regsvr32.exe	84
PID 4716 wrote to memory of 2528	4716	regsvr32.exe	84
PID 4716 wrote to memory of 2528	4716	regsvr32.exe	84

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\65d3c7a946676761f9b1860bc3ec4399_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4716
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\65d3c7a946676761f9b1860bc3ec4399_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  PID:2528

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

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Downloads

memory/2528-0-0x0000000010000000-0x0000000010029000-memory.dmp

Filesize
164KB

Download
memory/2528-1-0x0000000000AC0000-0x0000000000AC2000-memory.dmp

Filesize
8KB

Download