b2f5e9872b7f2b62a8abeaeccecafb8c780df3ca68d7a85c6a8208f4c47dbeca

Analysis

max time kernel
148s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
15/04/2024, 20:29

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General

Target
f1dc45bd25a3e52e5fa108210289c5ac_JaffaCakes118.dll
Size 168KB
Sample240415-y9vx2afe38
SHA256 b2f5e9872b7f2b62a8abeaeccecafb8c780df3ca68d7a85c6a8208f4c47dbeca
MD5 f1dc45bd25a3e52e5fa108210289c5ac
SHA1 60e8dd2440b742e7113751eca65c0b9405dd47cb
SHA512 5e21f053358e451cceff99ee3bd87f34df366c5dbb585b5bc30ca3b1ade0dcf47734b6e95a0eb9f00bc5106e7b2c6211ee2141e0ab8954a55b2d29b787fc2d4d
SSDEEP 3072:T4qK1vI+xSOF1DoMMN+1fMxcWyT1Q8ebDOlyGuXKj:sqqXPzDo2fM1ucdv
MD5 SHA1 SHA512 SSDEEP

Score

6^/10

adware stealer

Malware Config

Signatures

Installs/modifies Browser Helper Object 2 TTPs 2 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\{FA75D00A-BF7A-49d3-8168-2EBADA70A686}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{FA75D00A-BF7A-49d3-8168-2EBADA70A686}\ = "HTML mySource Editor"	regsvr32.exe

Modifies registry class 46 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{6D955525-16AB-463A-AE05-283C9761C67B}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{6D955525-16AB-463A-AE05-283C9761C67B}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{6D955525-16AB-463A-AE05-283C9761C67B}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FA75D00A-BF7A-49d3-8168-2EBADA70A686}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FA75D00A-BF7A-49d3-8168-2EBADA70A686}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B8E7C572-99ED-4F8D-9CEA-0543F174A0EB}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B8E7C572-99ED-4F8D-9CEA-0543F174A0EB}\1.0\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{6D955525-16AB-463A-AE05-283C9761C67B}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{6D955525-16AB-463A-AE05-283C9761C67B}\ = "IViewSource"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\HTMLSourceEdit.ViewHtmlSource.1\ = "ViewHtmlSource Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\HTMLSourceEdit.ViewHtmlSource\CurVer\ = "HTMLSourceEdit.ViewHtmlSource.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FA75D00A-BF7A-49d3-8168-2EBADA70A686}\ProgID\ = "HTMLSourceEdit.ViewHtmlSource.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FA75D00A-BF7A-49d3-8168-2EBADA70A686}\TypeLib\ = "{B8E7C572-99ED-4f8d-9CEA-0543F174A0EB}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B8E7C572-99ED-4F8D-9CEA-0543F174A0EB}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{6D955525-16AB-463A-AE05-283C9761C67B}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{6D955525-16AB-463A-AE05-283C9761C67B}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{6D955525-16AB-463A-AE05-283C9761C67B}\TypeLib\ = "{B8E7C572-99ED-4F8D-9CEA-0543F174A0EB}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\HTMLSourceEdit.ViewHtmlSource.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FA75D00A-BF7A-49d3-8168-2EBADA70A686}\ = "ViewHtmlSource Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FA75D00A-BF7A-49d3-8168-2EBADA70A686}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B8E7C572-99ED-4F8D-9CEA-0543F174A0EB}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\HTMLSourceEdit.ViewHtmlSource\ = "ViewHtmlSource Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FA75D00A-BF7A-49d3-8168-2EBADA70A686}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B8E7C572-99ED-4F8D-9CEA-0543F174A0EB}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{6D955525-16AB-463A-AE05-283C9761C67B}\ = "IViewSource"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\HTMLSourceEdit.ViewHtmlSource	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\HTMLSourceEdit.ViewHtmlSource\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B8E7C572-99ED-4F8D-9CEA-0543F174A0EB}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\HTMLSourceEdit.ViewHtmlSource\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FA75D00A-BF7A-49d3-8168-2EBADA70A686}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FA75D00A-BF7A-49d3-8168-2EBADA70A686}\VersionIndependentProgID\ = "HTMLSourceEdit.ViewHtmlSource"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B8E7C572-99ED-4F8D-9CEA-0543F174A0EB}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\f1dc45bd25a3e52e5fa108210289c5ac_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B8E7C572-99ED-4F8D-9CEA-0543F174A0EB}\1.0\ = "HTMLSourceEdit 1.0 Type Library"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B8E7C572-99ED-4F8D-9CEA-0543F174A0EB}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{6D955525-16AB-463A-AE05-283C9761C67B}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{6D955525-16AB-463A-AE05-283C9761C67B}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\HTMLSourceEdit.ViewHtmlSource.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\HTMLSourceEdit.ViewHtmlSource.1\CLSID\ = "{FA75D00A-BF7A-49d3-8168-2EBADA70A686}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FA75D00A-BF7A-49d3-8168-2EBADA70A686}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FA75D00A-BF7A-49d3-8168-2EBADA70A686}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{6D955525-16AB-463A-AE05-283C9761C67B}\TypeLib\ = "{B8E7C572-99ED-4F8D-9CEA-0543F174A0EB}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{6D955525-16AB-463A-AE05-283C9761C67B}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\HTMLSourceEdit.ViewHtmlSource\CLSID\ = "{FA75D00A-BF7A-49d3-8168-2EBADA70A686}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FA75D00A-BF7A-49d3-8168-2EBADA70A686}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\f1dc45bd25a3e52e5fa108210289c5ac_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B8E7C572-99ED-4F8D-9CEA-0543F174A0EB}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{6D955525-16AB-463A-AE05-283C9761C67B}\TypeLib	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 208 wrote to memory of 344	208	regsvr32.exe	84
PID 208 wrote to memory of 344	208	regsvr32.exe	84
PID 208 wrote to memory of 344	208	regsvr32.exe	84

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\f1dc45bd25a3e52e5fa108210289c5ac_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:208
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\f1dc45bd25a3e52e5fa108210289c5ac_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:344

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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