e216455141d7a062abee88fc819da8dbdfaa7367d82dd521c5a9a3ca8215b867

Analysis

max time kernel
147s
max time network
172s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25-12-2023 15:15

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

288d2a5a272cc4e64617f4dca7e4ceb1.dll
Size

124KB
MD5

288d2a5a272cc4e64617f4dca7e4ceb1
SHA1

bd04fd3f54fcd3ef9b6c7bcce12720c4691ba49b
SHA256

e216455141d7a062abee88fc819da8dbdfaa7367d82dd521c5a9a3ca8215b867
SHA512

274534f4c812b5ff453765fd2d05fe5ec42b348e9d39d75876307305690d712c0f8bd244ce70bced3fdfb834c07670cb95168b61432bf328ac61dd767bebf562
SSDEEP

3072:aNG0Zei/azzmWxd/mZQA39J46eqtuGrSbb:CtryKYJmmApeqrC

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\{38BB46F4-E93E-Bf3d-78D5-DAEFF89A9C44}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{38BB46F4-E93E-Bf3d-78D5-DAEFF89A9C44}\ = "CloudExs40008APIClass Helper"	regsvr32.exe

Modifies registry class 46 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{18BB46F4-E93E-BF3D-78D5-DAEFF89A9C44}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CloudExs40008BHO.CloudExs40008APIClass\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{28BB46F4-E93E-BF3D-78D5-DAEFF89A9C44}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{28BB46F4-E93E-BF3D-78D5-DAEFF89A9C44}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{28BB46F4-E93E-BF3D-78D5-DAEFF89A9C44}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{18BB46F4-E93E-BF3D-78D5-DAEFF89A9C44}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{18BB46F4-E93E-BF3D-78D5-DAEFF89A9C44}\TypeLib\ = "{28BB46F4-E93E-BF3D-78D5-DAEFF89A9C44}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CloudExs40008BHO.CloudExs40008APIClass.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{38BB46F4-E93E-Bf3d-78D5-DAEFF89A9C44}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{18BB46F4-E93E-BF3D-78D5-DAEFF89A9C44}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CloudExs40008BHO.CloudExs40008APIClass\CurVer\ = "CloudExs40008BHO.CloudExs40008APIClass.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{38BB46F4-E93E-Bf3d-78D5-DAEFF89A9C44}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{38BB46F4-E93E-Bf3d-78D5-DAEFF89A9C44}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{28BB46F4-E93E-BF3D-78D5-DAEFF89A9C44}\1.0\ = "CloudExs40008APIClass 1.0 Type Library"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{28BB46F4-E93E-BF3D-78D5-DAEFF89A9C44}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{28BB46F4-E93E-BF3D-78D5-DAEFF89A9C44}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{38BB46F4-E93E-Bf3d-78D5-DAEFF89A9C44}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{18BB46F4-E93E-BF3D-78D5-DAEFF89A9C44}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{18BB46F4-E93E-BF3D-78D5-DAEFF89A9C44}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{18BB46F4-E93E-BF3D-78D5-DAEFF89A9C44}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{18BB46F4-E93E-BF3D-78D5-DAEFF89A9C44}\TypeLib\ = "{28BB46F4-E93E-BF3D-78D5-DAEFF89A9C44}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{18BB46F4-E93E-BF3D-78D5-DAEFF89A9C44}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{18BB46F4-E93E-BF3D-78D5-DAEFF89A9C44}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CloudExs40008BHO.CloudExs40008APIClass.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CloudExs40008BHO.CloudExs40008APIClass\CLSID\ = "{38BB46F4-E93E-Bf3d-78D5-DAEFF89A9C44}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{38BB46F4-E93E-Bf3d-78D5-DAEFF89A9C44}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{38BB46F4-E93E-Bf3d-78D5-DAEFF89A9C44}\ProgID\ = "CloudExs40008BHO.CloudExs40008APIClass.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{38BB46F4-E93E-Bf3d-78D5-DAEFF89A9C44}\TypeLib\ = "{28BB46F4-E93E-Bf3d-78D5-DAEFF89A9C44}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{28BB46F4-E93E-BF3D-78D5-DAEFF89A9C44}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\288d2a5a272cc4e64617f4dca7e4ceb1.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{28BB46F4-E93E-BF3D-78D5-DAEFF89A9C44}\1.0\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{18BB46F4-E93E-BF3D-78D5-DAEFF89A9C44}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CloudExs40008BHO.CloudExs40008APIClass.1\ = "CloudExs40008APIClass Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CloudExs40008BHO.CloudExs40008APIClass.1\CLSID\ = "{38BB46F4-E93E-Bf3d-78D5-DAEFF89A9C44}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CloudExs40008BHO.CloudExs40008APIClass	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CloudExs40008BHO.CloudExs40008APIClass\ = "CloudExs40008APIClass Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CloudExs40008BHO.CloudExs40008APIClass\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{38BB46F4-E93E-Bf3d-78D5-DAEFF89A9C44}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{18BB46F4-E93E-BF3D-78D5-DAEFF89A9C44}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{38BB46F4-E93E-Bf3d-78D5-DAEFF89A9C44}\ = "CloudWeb Web3.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{38BB46F4-E93E-Bf3d-78D5-DAEFF89A9C44}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{18BB46F4-E93E-BF3D-78D5-DAEFF89A9C44}\ = "ICloudExs40008API"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{18BB46F4-E93E-BF3D-78D5-DAEFF89A9C44}\ = "ICloudExs40008API"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{38BB46F4-E93E-Bf3d-78D5-DAEFF89A9C44}\VersionIndependentProgID\ = "CloudExs40008BHO.CloudExs40008APIClass"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{38BB46F4-E93E-Bf3d-78D5-DAEFF89A9C44}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\288d2a5a272cc4e64617f4dca7e4ceb1.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{28BB46F4-E93E-BF3D-78D5-DAEFF89A9C44}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{28BB46F4-E93E-BF3D-78D5-DAEFF89A9C44}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1992 wrote to memory of 4128	1992	regsvr32.exe	88
PID 1992 wrote to memory of 4128	1992	regsvr32.exe	88
PID 1992 wrote to memory of 4128	1992	regsvr32.exe	88

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\288d2a5a272cc4e64617f4dca7e4ceb1.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1992
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\288d2a5a272cc4e64617f4dca7e4ceb1.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:4128

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

Replay Monitor

Loading Replay Monitor...

Downloads