1999abaf059f6de3ceee37ef0316c92f4c4dc2f417164486f389b641c34f0c85

Analysis

max time kernel
143s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
12-07-2024 02:36

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General

Target

3bafdc36630a981a428005fc61616446_JaffaCakes118.dll
Size

854KB
MD5

3bafdc36630a981a428005fc61616446
SHA1

57506aa071ce13048d57acaab6c1a44ef1b413c6
SHA256

1999abaf059f6de3ceee37ef0316c92f4c4dc2f417164486f389b641c34f0c85
SHA512

efc9a1df057e181f3ddf9b0cc5254a4fab8831650273783f31408407b08da2c01f674616d96a3245e7be3b599079508edd732ea4bc287aac3dad7eca4ed1f721
SSDEEP

24576:/iIG/U1LdoGHP2uep43mNh6FQNPcRwojUIT7JLWKLdQD:/rN5HP2ffkFQNefT7Jy

Score

6^/10

adware 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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{D3D233D5-9F6D-436C-B6C7-E63F77503B30}\	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{D3D233D5-9F6D-436C-B6C7-E63F77503B30}\NoExplorer = "1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{D3D233D5-9F6D-436C-B6C7-E63F77503B30}	regsvr32.exe

Modifies Internet Explorer settings 1 TTPs 4 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Internet Explorer\Main	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\IEWatsonEnabled = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Toolbar	regsvr32.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Toolbar\{D7E97865-918F-41E4-9CD0-25AB1C574CE8} = 00	regsvr32.exe

Modifies registry class 64 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D7E97865-918F-41E4-9CD0-25AB1C574CE8}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3bafdc36630a981a428005fc61616446_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Inbox.WS.com IE Toolbar\ = "IE toolbar"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{37540F19-DD4C-478B-B2DF-C19281BCAF27}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CBEF8724-D080-4737-88DA-111EEC6651AA}\1.0\ = "Inbox JavaScript Library"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CBEF8724-D080-4737-88DA-111EEC6651AA}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CBEF8724-D080-4737-88DA-111EEC6651AA}\1.0\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{CE057E0D-2D7E-4DFF-A890-07BA69B8C762}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{CE057E0D-2D7E-4DFF-A890-07BA69B8C762}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{042DA63B-0933-403D-9395-B49307691690}\ProgID\ = "Inbox.CoInboxJS"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{042DA63B-0933-403D-9395-B49307691690}\Implemented Categories	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{042DA63B-0933-403D-9395-B49307691690}\Implemented Categories\{7DD95802-9882-11CF-9FA9-00AA006C42C4}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CBEF8724-D080-4737-88DA-111EEC6651AA}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3bafdc36630a981a428005fc61616446_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Inbox.WST404\	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{042DA63B-0933-403D-9395-B49307691690}\Implemented Categories\	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{CE057E0D-2D7E-4DFF-A890-07BA69B8C762}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{37540F19-DD4C-478B-B2DF-C19281BCAF27}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{042DA63B-0933-403D-9395-B49307691690}\Implemented Categories\{7DD95801-9882-11CF-9FA9-00AA006C42C4}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{042DA63B-0933-403D-9395-B49307691690}\Implemented Categories\{7DD95802-9882-11CF-9FA9-00AA006C42C4}\	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{CE057E0D-2D7E-4DFF-A890-07BA69B8C762}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D3D233D5-9F6D-436C-B6C7-E63F77503B30}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{37540F19-DD4C-478B-B2DF-C19281BCAF27}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Inbox.CoInboxJS\Clsid\ = "{042DA63B-0933-403D-9395-B49307691690}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{042DA63B-0933-403D-9395-B49307691690}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CBEF8724-D080-4737-88DA-111EEC6651AA}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D3D233D5-9F6D-436C-B6C7-E63F77503B30}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D7E97865-918F-41E4-9CD0-25AB1C574CE8}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D7E97865-918F-41E4-9CD0-25AB1C574CE8}\ = "&Inbox Toolbar"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{37540F19-DD4C-478B-B2DF-C19281BCAF27}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3bafdc36630a981a428005fc61616446_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Inbox.CoInboxJS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CBEF8724-D080-4737-88DA-111EEC6651AA}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{CE057E0D-2D7E-4DFF-A890-07BA69B8C762}\TypeLib\ = "{CBEF8724-D080-4737-88DA-111EEC6651AA}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D7E97865-918F-41E4-9CD0-25AB1C574CE8}\ = "IE toolbar"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D7E97865-918F-41E4-9CD0-25AB1C574CE8}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{37540F19-DD4C-478B-B2DF-C19281BCAF27}\ProgID\ = "Inbox.WST404"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{042DA63B-0933-403D-9395-B49307691690}\	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{042DA63B-0933-403D-9395-B49307691690}\InProcServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{CE057E0D-2D7E-4DFF-A890-07BA69B8C762}\TypeLib\ = "{CBEF8724-D080-4737-88DA-111EEC6651AA}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Inbox.WS.com IE Toolbar\Clsid\ = "{D7E97865-918F-41E4-9CD0-25AB1C574CE8}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D7E97865-918F-41E4-9CD0-25AB1C574CE8}\ProgID\ = "Inbox.WS.com IE Toolbar"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{042DA63B-0933-403D-9395-B49307691690}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3bafdc36630a981a428005fc61616446_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{042DA63B-0933-403D-9395-B49307691690}\TypeLib\ = "{CBEF8724-D080-4737-88DA-111EEC6651AA}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CBEF8724-D080-4737-88DA-111EEC6651AA}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D3D233D5-9F6D-436C-B6C7-E63F77503B30}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3bafdc36630a981a428005fc61616446_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D3D233D5-9F6D-436C-B6C7-E63F77503B30}\ = "Inbox Toolbar"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{37540F19-DD4C-478B-B2DF-C19281BCAF27}\InProcServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{042DA63B-0933-403D-9395-B49307691690}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D3D233D5-9F6D-436C-B6C7-E63F77503B30}\InProcServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Inbox.WS.com IE Toolbar	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D7E97865-918F-41E4-9CD0-25AB1C574CE8}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{042DA63B-0933-403D-9395-B49307691690}\Version\ = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CBEF8724-D080-4737-88DA-111EEC6651AA}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{CE057E0D-2D7E-4DFF-A890-07BA69B8C762}\ = "IInboxJS"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{CE057E0D-2D7E-4DFF-A890-07BA69B8C762}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Inbox.WS.com IE Toolbar\Clsid	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\PROTOCOLS\Handler\inbox\ = "inbox"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D7E97865-918F-41E4-9CD0-25AB1C574CE8}\InProcServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{37540F19-DD4C-478B-B2DF-C19281BCAF27}\	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Inbox.WST404\Clsid\ = "{37540F19-DD4C-478B-B2DF-C19281BCAF27}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CBEF8724-D080-4737-88DA-111EEC6651AA}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{CE057E0D-2D7E-4DFF-A890-07BA69B8C762}\ = "IInboxJS"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{CE057E0D-2D7E-4DFF-A890-07BA69B8C762}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{CE057E0D-2D7E-4DFF-A890-07BA69B8C762}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D7E97865-918F-41E4-9CD0-25AB1C574CE8}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{042DA63B-0933-403D-9395-B49307691690}\ProgID	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4252 wrote to memory of 1000	4252	regsvr32.exe	84
PID 4252 wrote to memory of 1000	4252	regsvr32.exe	84
PID 4252 wrote to memory of 1000	4252	regsvr32.exe	84

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\3bafdc36630a981a428005fc61616446_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4252
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\3bafdc36630a981a428005fc61616446_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies Internet Explorer settings
  - Modifies registry class
  PID:1000

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/1000-0-0x0000000002800000-0x00000000028DE000-memory.dmp

Filesize
888KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads