e519e3ac612f6ad7c8cf7b9c5916978a24d4a0ea15365b08f15c9affadd6932c

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
08/04/2024, 19:57

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General

Target
e8497e6d1fedc292adde5b617178f711_JaffaCakes118.dll
Size 124KB
Sample240408-ypm2pade8w
SHA256 e519e3ac612f6ad7c8cf7b9c5916978a24d4a0ea15365b08f15c9affadd6932c
MD5 e8497e6d1fedc292adde5b617178f711
SHA1 3f88962b4bbd389188fbfae1e6eb05ab5a1102a9
SHA512 b7b812175c0536560eb1782a8426e6750fe0d8f2ea09b01ad7109c45346aae2cd0e3f6ce3c49c88af1b06bb9ec1b0398cd0b12d34f4e655a398bbb1274cbee2d
SSDEEP 3072:wNG0Zei/azzmWxd/mZQA3h146eqteGrSM7:gtryKYJmmAhearN
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\{33DCE491-9D5D-Bf96-78BC-95190FDD8E15}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{33DCE491-9D5D-Bf96-78BC-95190FDD8E15}\ = "CloudExs30001APIClass Helper"	regsvr32.exe

Modifies registry class 46 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{33DCE491-9D5D-Bf96-78BC-95190FDD8E15}\ = "CloudWeb Web3.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{33DCE491-9D5D-Bf96-78BC-95190FDD8E15}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{13DCE491-9D5D-BF96-78BC-95190FDD8E15}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CloudExs30001BHO.CloudExs30001APIClass\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{33DCE491-9D5D-Bf96-78BC-95190FDD8E15}\ProgID\ = "CloudExs30001BHO.CloudExs30001APIClass.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{23DCE491-9D5D-BF96-78BC-95190FDD8E15}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{23DCE491-9D5D-BF96-78BC-95190FDD8E15}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{13DCE491-9D5D-BF96-78BC-95190FDD8E15}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{13DCE491-9D5D-BF96-78BC-95190FDD8E15}\TypeLib\ = "{23DCE491-9D5D-BF96-78BC-95190FDD8E15}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CloudExs30001BHO.CloudExs30001APIClass\CurVer\ = "CloudExs30001BHO.CloudExs30001APIClass.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{33DCE491-9D5D-Bf96-78BC-95190FDD8E15}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{33DCE491-9D5D-Bf96-78BC-95190FDD8E15}\TypeLib\ = "{23DCE491-9D5D-Bf96-78BC-95190FDD8E15}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{23DCE491-9D5D-BF96-78BC-95190FDD8E15}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{23DCE491-9D5D-BF96-78BC-95190FDD8E15}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{13DCE491-9D5D-BF96-78BC-95190FDD8E15}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{13DCE491-9D5D-BF96-78BC-95190FDD8E15}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{13DCE491-9D5D-BF96-78BC-95190FDD8E15}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CloudExs30001BHO.CloudExs30001APIClass.1\CLSID\ = "{33DCE491-9D5D-Bf96-78BC-95190FDD8E15}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CloudExs30001BHO.CloudExs30001APIClass	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{33DCE491-9D5D-Bf96-78BC-95190FDD8E15}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{33DCE491-9D5D-Bf96-78BC-95190FDD8E15}\VersionIndependentProgID\ = "CloudExs30001BHO.CloudExs30001APIClass"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{33DCE491-9D5D-Bf96-78BC-95190FDD8E15}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{23DCE491-9D5D-BF96-78BC-95190FDD8E15}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{13DCE491-9D5D-BF96-78BC-95190FDD8E15}\ = "ICloudExs30001API"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{13DCE491-9D5D-BF96-78BC-95190FDD8E15}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CloudExs30001BHO.CloudExs30001APIClass\ = "CloudExs30001APIClass Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{33DCE491-9D5D-Bf96-78BC-95190FDD8E15}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\e8497e6d1fedc292adde5b617178f711_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{23DCE491-9D5D-BF96-78BC-95190FDD8E15}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{23DCE491-9D5D-BF96-78BC-95190FDD8E15}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\e8497e6d1fedc292adde5b617178f711_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{13DCE491-9D5D-BF96-78BC-95190FDD8E15}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{13DCE491-9D5D-BF96-78BC-95190FDD8E15}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CloudExs30001BHO.CloudExs30001APIClass.1\ = "CloudExs30001APIClass Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{23DCE491-9D5D-BF96-78BC-95190FDD8E15}\1.0\ = "CloudExs30001APIClass 1.0 Type Library"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{13DCE491-9D5D-BF96-78BC-95190FDD8E15}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CloudExs30001BHO.CloudExs30001APIClass.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CloudExs30001BHO.CloudExs30001APIClass\CLSID\ = "{33DCE491-9D5D-Bf96-78BC-95190FDD8E15}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{33DCE491-9D5D-Bf96-78BC-95190FDD8E15}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{33DCE491-9D5D-Bf96-78BC-95190FDD8E15}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{23DCE491-9D5D-BF96-78BC-95190FDD8E15}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{23DCE491-9D5D-BF96-78BC-95190FDD8E15}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{13DCE491-9D5D-BF96-78BC-95190FDD8E15}\ = "ICloudExs30001API"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CloudExs30001BHO.CloudExs30001APIClass.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CloudExs30001BHO.CloudExs30001APIClass\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{33DCE491-9D5D-Bf96-78BC-95190FDD8E15}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{13DCE491-9D5D-BF96-78BC-95190FDD8E15}\TypeLib\ = "{23DCE491-9D5D-BF96-78BC-95190FDD8E15}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{13DCE491-9D5D-BF96-78BC-95190FDD8E15}\ProxyStubClsid32	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1864 wrote to memory of 464	1864	regsvr32.exe	86
PID 1864 wrote to memory of 464	1864	regsvr32.exe	86
PID 1864 wrote to memory of 464	1864	regsvr32.exe	86

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\e8497e6d1fedc292adde5b617178f711_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1864
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\e8497e6d1fedc292adde5b617178f711_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:464

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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