5624d937dc7e0cc49536bd6fe7f1b16e4d28833610be36b4402848961765697c

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
09-04-2024 02:06

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General

Target

e8f70eaa639ee800343ee090048bc598_JaffaCakes118.dll
Size

25KB
MD5

e8f70eaa639ee800343ee090048bc598
SHA1

553def0882ede8bdbf0a10d45adb3b5f6f656bbe
SHA256

5624d937dc7e0cc49536bd6fe7f1b16e4d28833610be36b4402848961765697c
SHA512

4f46c71201cbcbb2c982a864f1a2cc5e2678bb06adcdf170661e0867cacca7610a58e3f23af264d023a7424bf68d5a65f2ab96d780f4ba96ea8333b35160dfea
SSDEEP

384:isTQgqtMGxpPZJbbw6Mq2yKXL+4PuDr+grG1HB6Kv3zHis:ilxpPZJbbTMuKXLnu/VihJes

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\{0FB8C8ED-61A4-DD21-DBBC-9C11983DDB38}	regsvr32.exe

Modifies registry class 42 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2EB8C8ED-4A16-12DD-CBBD-789569C11983}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\e8f70eaa639ee800343ee090048bc598_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{FEB8C8ED-4A16-12DD-CBBD-789569C11983}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0FB8C8ED-61A4-DD21-DBBC-9C11983DDB38}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0FB8C8ED-61A4-DD21-DBBC-9C11983DDB38}\VersionIndependentProgID\ = "Flash.Flash"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0FB8C8ED-61A4-DD21-DBBC-9C11983DDB38}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2EB8C8ED-4A16-12DD-CBBD-789569C11983}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FEB8C8ED-4A16-12DD-CBBD-789569C11983}\TypeLib\ = "{2EB8C8ED-4A16-12DD-CBBD-789569C11983}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\ = "Baidu Search Bar"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0FB8C8ED-61A4-DD21-DBBC-9C11983DDB38}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\E8F70E~1.DLL"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2EB8C8ED-4A16-12DD-CBBD-789569C11983}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{FEB8C8ED-4A16-12DD-CBBD-789569C11983}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0FB8C8ED-61A4-DD21-DBBC-9C11983DDB38}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2EB8C8ED-4A16-12DD-CBBD-789569C11983}\1.0\ = "Baidu Search Bar 8.0 Type Library"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{FEB8C8ED-4A16-12DD-CBBD-789569C11983}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2EB8C8ED-4A16-12DD-CBBD-789569C11983}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2EB8C8ED-4A16-12DD-CBBD-789569C11983}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2EB8C8ED-4A16-12DD-CBBD-789569C11983}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{FEB8C8ED-4A16-12DD-CBBD-789569C11983}\ = "IIEHlprObj"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0FB8C8ED-61A4-DD21-DBBC-9C11983DDB38}\ = "Baidu Search Bar"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2EB8C8ED-4A16-12DD-CBBD-789569C11983}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2EB8C8ED-4A16-12DD-CBBD-789569C11983}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FEB8C8ED-4A16-12DD-CBBD-789569C11983}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FEB8C8ED-4A16-12DD-CBBD-789569C11983}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\CLSID\ = "{0FB8C8ED-61A4-DD21-DBBC-9C11983DDB38}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FEB8C8ED-4A16-12DD-CBBD-789569C11983}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FEB8C8ED-4A16-12DD-CBBD-789569C11983}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FEB8C8ED-4A16-12DD-CBBD-789569C11983}\ = "IIEHlprObj"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0FB8C8ED-61A4-DD21-DBBC-9C11983DDB38}\ProgID\ = "Flash.Flash.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0FB8C8ED-61A4-DD21-DBBC-9C11983DDB38}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2EB8C8ED-4A16-12DD-CBBD-789569C11983}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\CurVer\ = "Flash.Flash.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{FEB8C8ED-4A16-12DD-CBBD-789569C11983}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{FEB8C8ED-4A16-12DD-CBBD-789569C11983}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{FEB8C8ED-4A16-12DD-CBBD-789569C11983}\TypeLib\ = "{2EB8C8ED-4A16-12DD-CBBD-789569C11983}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FEB8C8ED-4A16-12DD-CBBD-789569C11983}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\ = "Baidu Search Bar"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0FB8C8ED-61A4-DD21-DBBC-9C11983DDB38}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0FB8C8ED-61A4-DD21-DBBC-9C11983DDB38}\ProgID	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2872 wrote to memory of 2924	2872	regsvr32.exe	28
PID 2872 wrote to memory of 2924	2872	regsvr32.exe	28
PID 2872 wrote to memory of 2924	2872	regsvr32.exe	28
PID 2872 wrote to memory of 2924	2872	regsvr32.exe	28
PID 2872 wrote to memory of 2924	2872	regsvr32.exe	28
PID 2872 wrote to memory of 2924	2872	regsvr32.exe	28
PID 2872 wrote to memory of 2924	2872	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\e8f70eaa639ee800343ee090048bc598_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2872
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\e8f70eaa639ee800343ee090048bc598_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:2924

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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