856fcb7f1088feb37cfb12e23191e37bd939cb52a0faafff7e8a48bd318315e8

Analysis

max time kernel
94s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
03-07-2024 05:38

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General

Target

214069e294e94ef2bae95752a136b8a8_JaffaCakes118.dll
Size

42KB
MD5

214069e294e94ef2bae95752a136b8a8
SHA1

0d7421bb6eb8155e39a4844177a1262d6ed74e86
SHA256

856fcb7f1088feb37cfb12e23191e37bd939cb52a0faafff7e8a48bd318315e8
SHA512

e27b30c741539249ccd34f4c14c9b933c437867b7c29b82286fa5c421f31d51779b4d33aa6cf4237cb35808ef0c9a85e42e64fc561b68633be2d500bdca34398
SSDEEP

768:dWLGtsqST282ngQKp1JkwHwlzeFofxzha5A:d6GtspT2mR1JkYCzeObt

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\{63E0EAC2-3F22-4358-A817-A2D3851AB0ED}	regsvr32.exe

Modifies registry class 42 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{63E0EAC1-3F22-4358-A817-A2D3851AB0ED}\ = "IIEHlprObj"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{63E0EAC2-3F22-4358-A817-A2D3851AB0ED}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{63E0EAC8-3F22-4358-A817-A2D3851AB0ED}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{63E0EAC1-3F22-4358-A817-A2D3851AB0ED}\TypeLib\ = "{63E0EAC8-3F22-4358-A817-A2D3851AB0ED}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\ = "IEHlprObj Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{63E0EAC2-3F22-4358-A817-A2D3851AB0ED}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{63E0EAC2-3F22-4358-A817-A2D3851AB0ED}\ProgID\ = "IEHlprObj.IEHlprObj.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{63E0EAC8-3F22-4358-A817-A2D3851AB0ED}\1.0\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{63E0EAC1-3F22-4358-A817-A2D3851AB0ED}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{63E0EAC1-3F22-4358-A817-A2D3851AB0ED}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{63E0EAC8-3F22-4358-A817-A2D3851AB0ED}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{63E0EAC8-3F22-4358-A817-A2D3851AB0ED}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{63E0EAC1-3F22-4358-A817-A2D3851AB0ED}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{63E0EAC1-3F22-4358-A817-A2D3851AB0ED}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{63E0EAC1-3F22-4358-A817-A2D3851AB0ED}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\CLSID\ = "{63E0EAC2-3F22-4358-A817-A2D3851AB0ED}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{63E0EAC2-3F22-4358-A817-A2D3851AB0ED}\ = "IEHlprObj Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{63E0EAC2-3F22-4358-A817-A2D3851AB0ED}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{63E0EAC2-3F22-4358-A817-A2D3851AB0ED}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{63E0EAC8-3F22-4358-A817-A2D3851AB0ED}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{63E0EAC8-3F22-4358-A817-A2D3851AB0ED}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{63E0EAC1-3F22-4358-A817-A2D3851AB0ED}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{63E0EAC1-3F22-4358-A817-A2D3851AB0ED}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{63E0EAC8-3F22-4358-A817-A2D3851AB0ED}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\214069e294e94ef2bae95752a136b8a8_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{63E0EAC1-3F22-4358-A817-A2D3851AB0ED}\TypeLib\ = "{63E0EAC8-3F22-4358-A817-A2D3851AB0ED}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{63E0EAC1-3F22-4358-A817-A2D3851AB0ED}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{63E0EAC8-3F22-4358-A817-A2D3851AB0ED}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{63E0EAC2-3F22-4358-A817-A2D3851AB0ED}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\214069e294e94ef2bae95752a136b8a8_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{63E0EAC1-3F22-4358-A817-A2D3851AB0ED}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{63E0EAC1-3F22-4358-A817-A2D3851AB0ED}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{63E0EAC1-3F22-4358-A817-A2D3851AB0ED}\ = "IIEHlprObj"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\ = "IEHlprObj Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{63E0EAC2-3F22-4358-A817-A2D3851AB0ED}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{63E0EAC2-3F22-4358-A817-A2D3851AB0ED}\VersionIndependentProgID\ = "IEHlprObj.IEHlprObj"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{63E0EAC2-3F22-4358-A817-A2D3851AB0ED}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{63E0EAC8-3F22-4358-A817-A2D3851AB0ED}\1.0\ = "IEHelper 1.0 Type Library"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{63E0EAC8-3F22-4358-A817-A2D3851AB0ED}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\CurVer\ = "IEHlprObj.IEHlprObj.1"	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1860	regsvr32.exe
1860	regsvr32.exe
1860	regsvr32.exe
1860	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4124 wrote to memory of 1860	4124	regsvr32.exe	81
PID 4124 wrote to memory of 1860	4124	regsvr32.exe	81
PID 4124 wrote to memory of 1860	4124	regsvr32.exe	81

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\214069e294e94ef2bae95752a136b8a8_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4124
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\214069e294e94ef2bae95752a136b8a8_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  PID:1860

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

Replay Monitor

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Downloads

memory/1860-0-0x0000000010000000-0x000000001001D000-memory.dmp

Filesize
116KB

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