d490afb032c42bc292e4544a91bb757f4a21b1af889b0afbde4e30847b394a7a

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
12/07/2024, 18:47

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General

Target

Cloud-Web_2_86.dll
Size

123KB
MD5

9fa385bf443861d0f80227948a32dfbc
SHA1

14bbdeccd9614ccd25971f7bb8cd32f5da39ad79
SHA256

e9f1f6605710a04f09bf72b25c9dd807726076a3e1b12f20ca3fbaa8c5bddb18
SHA512

3727418aef2235d379eb0dd633ac33b1fe91349cefdfd7f9b1ddcbcab703eb2a31e67cccf8df633bf25697c4953c4c428c503f919f7594eaa176c17213840b6e
SSDEEP

3072:ING0ZeC/azzmWxd/mZQA3KN46eqtIGrC66nq:otzyKYJmmAIeYr1

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\{3655562C-EBBD-Ba21-A87E-8AF80AEED4F8}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{3655562C-EBBD-Ba21-A87E-8AF80AEED4F8}\ = "CloudExs40002APIClass Helper"	regsvr32.exe

Modifies registry class 48 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3655562C-EBBD-Ba21-A87E-8AF80AEED4F8}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Cloud-Web_2_86.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3655562C-EBBD-Ba21-A87E-8AF80AEED4F8}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2655562C-EBBD-BA21-A87E-8AF80AEED4F8}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2655562C-EBBD-BA21-A87E-8AF80AEED4F8}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CloudExs40002BHO.CloudExs40002APIClass.1\ = "CloudExs40002APIClass Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CloudExs40002BHO.CloudExs40002APIClass	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3655562C-EBBD-Ba21-A87E-8AF80AEED4F8}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3655562C-EBBD-Ba21-A87E-8AF80AEED4F8}\VersionIndependentProgID\ = "CloudExs40002BHO.CloudExs40002APIClass"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2655562C-EBBD-BA21-A87E-8AF80AEED4F8}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2655562C-EBBD-BA21-A87E-8AF80AEED4F8}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2655562C-EBBD-BA21-A87E-8AF80AEED4F8}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{1655562C-EBBD-BA21-A87E-8AF80AEED4F8}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{1655562C-EBBD-BA21-A87E-8AF80AEED4F8}\ = "ICloudExs40002API"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{1655562C-EBBD-BA21-A87E-8AF80AEED4F8}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.application\sid = "MzY1NTU2MkMtRUJCRC1CYTIxLUE4N0UtOEFGODBBRUVENEY4"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CloudExs40002BHO.CloudExs40002APIClass.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CloudExs40002BHO.CloudExs40002APIClass\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3655562C-EBBD-Ba21-A87E-8AF80AEED4F8}\TypeLib\ = "{2655562C-EBBD-Ba21-A87E-8AF80AEED4F8}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{1655562C-EBBD-BA21-A87E-8AF80AEED4F8}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{1655562C-EBBD-BA21-A87E-8AF80AEED4F8}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{1655562C-EBBD-BA21-A87E-8AF80AEED4F8}\TypeLib\ = "{2655562C-EBBD-BA21-A87E-8AF80AEED4F8}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CloudExs40002BHO.CloudExs40002APIClass.1\CLSID\ = "{3655562C-EBBD-Ba21-A87E-8AF80AEED4F8}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3655562C-EBBD-Ba21-A87E-8AF80AEED4F8}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3655562C-EBBD-Ba21-A87E-8AF80AEED4F8}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2655562C-EBBD-BA21-A87E-8AF80AEED4F8}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CloudExs40002BHO.CloudExs40002APIClass\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3655562C-EBBD-Ba21-A87E-8AF80AEED4F8}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3655562C-EBBD-Ba21-A87E-8AF80AEED4F8}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{1655562C-EBBD-BA21-A87E-8AF80AEED4F8}\TypeLib\ = "{2655562C-EBBD-BA21-A87E-8AF80AEED4F8}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{1655562C-EBBD-BA21-A87E-8AF80AEED4F8}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2655562C-EBBD-BA21-A87E-8AF80AEED4F8}\1.0\ = "CloudExs40002APIClass 1.0 Type Library"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{1655562C-EBBD-BA21-A87E-8AF80AEED4F8}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{1655562C-EBBD-BA21-A87E-8AF80AEED4F8}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{1655562C-EBBD-BA21-A87E-8AF80AEED4F8}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CloudExs40002BHO.CloudExs40002APIClass.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CloudExs40002BHO.CloudExs40002APIClass\ = "CloudExs40002APIClass Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CloudExs40002BHO.CloudExs40002APIClass\CLSID\ = "{3655562C-EBBD-Ba21-A87E-8AF80AEED4F8}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CloudExs40002BHO.CloudExs40002APIClass\CurVer\ = "CloudExs40002BHO.CloudExs40002APIClass.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{1655562C-EBBD-BA21-A87E-8AF80AEED4F8}\ = "ICloudExs40002API"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.application	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3655562C-EBBD-Ba21-A87E-8AF80AEED4F8}\ = "CloudWeb Web3.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3655562C-EBBD-Ba21-A87E-8AF80AEED4F8}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2655562C-EBBD-BA21-A87E-8AF80AEED4F8}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Cloud-Web_2_86.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{1655562C-EBBD-BA21-A87E-8AF80AEED4F8}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3655562C-EBBD-Ba21-A87E-8AF80AEED4F8}\ProgID\ = "CloudExs40002BHO.CloudExs40002APIClass.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2655562C-EBBD-BA21-A87E-8AF80AEED4F8}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2655562C-EBBD-BA21-A87E-8AF80AEED4F8}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{1655562C-EBBD-BA21-A87E-8AF80AEED4F8}	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2020 wrote to memory of 1068	2020	regsvr32.exe	30
PID 2020 wrote to memory of 1068	2020	regsvr32.exe	30
PID 2020 wrote to memory of 1068	2020	regsvr32.exe	30
PID 2020 wrote to memory of 1068	2020	regsvr32.exe	30
PID 2020 wrote to memory of 1068	2020	regsvr32.exe	30
PID 2020 wrote to memory of 1068	2020	regsvr32.exe	30
PID 2020 wrote to memory of 1068	2020	regsvr32.exe	30

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\Cloud-Web_2_86.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2020
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\Cloud-Web_2_86.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:1068

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/1068-0-0x00000000005D0000-0x000000000065D000-memory.dmp

Filesize
564KB

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