76287d82405fb24afaddfa8613e24ce80a8b9292ae743c61e7d6b9aeab0ddb78

Analysis

max time kernel
91s
max time network
121s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
27/03/2024, 14:20

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
e1dfed24548cfb171c80f398c30dd0b1.dll
Size 60KB
Sample240327-rnp2bsdh59
SHA256 76287d82405fb24afaddfa8613e24ce80a8b9292ae743c61e7d6b9aeab0ddb78
MD5 e1dfed24548cfb171c80f398c30dd0b1
SHA1 256f21fefe831fa204a71032aee72f10a61d81e3
SHA512 c59ac1551edabb9d47826692dd6701ba537cde9e51b2d79ef37ee08ba0a3d0c776fc581cd9f21e42cb811da30d861a0d82e1cd8444f14f29ad30836b6ad05aae
SSDEEP 768:+wvnsw/C4S+PkLZm2uWAzzBuuIKlRo4DuHmvqNjiK9dEm5500ixs:Jvu4S+m/AkUo4fv01gms0ixs
MD5 SHA1 SHA512 SSDEEP

Score

6^/10

adware stealer

Malware Config

Signatures

Installs/modifies Browser Helper Object 2 TTPs 1 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\{8D4D2F69-DF30-4471-988C-CC58545E86C8}	regsvr32.exe

Modifies registry class 46 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{47ADDC5F-EA71-4766-9994-155CE2095A2E}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{47ADDC5F-EA71-4766-9994-155CE2095A2E}\ = "IMSUSER"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\MSHELP.MSUSER.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSHELP.MSUSER\CLSID\ = "{8D4D2F69-DF30-4471-988C-CC58545E86C8}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSHELP.MSUSER\CurVer\ = "MSHELP.MSUSER.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8D4D2F69-DF30-4471-988C-CC58545E86C8}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{47ADDC5F-EA71-4766-9994-155CE2095A2E}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{47ADDC5F-EA71-4766-9994-155CE2095A2E}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSHELP.MSUSER.1\ = "MSUSER Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8D4D2F69-DF30-4471-988C-CC58545E86C8}\ = "MSUSER Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8D4D2F69-DF30-4471-988C-CC58545E86C8}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C33A35F6-CBB2-4FF5-B029-27E495C5516A}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{47ADDC5F-EA71-4766-9994-155CE2095A2E}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{47ADDC5F-EA71-4766-9994-155CE2095A2E}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\MSHELP.MSUSER	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8D4D2F69-DF30-4471-988C-CC58545E86C8}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\e1dfed24548cfb171c80f398c30dd0b1.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8D4D2F69-DF30-4471-988C-CC58545E86C8}\TypeLib\ = "{C33A35F6-CBB2-4FF5-B029-27E495C5516A}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C33A35F6-CBB2-4FF5-B029-27E495C5516A}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C33A35F6-CBB2-4FF5-B029-27E495C5516A}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\MSHELP.MSUSER\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8D4D2F69-DF30-4471-988C-CC58545E86C8}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8D4D2F69-DF30-4471-988C-CC58545E86C8}\VersionIndependentProgID\ = "MSHELP.MSUSER"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C33A35F6-CBB2-4FF5-B029-27E495C5516A}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{47ADDC5F-EA71-4766-9994-155CE2095A2E}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSHELP.MSUSER.1\CLSID\ = "{8D4D2F69-DF30-4471-988C-CC58545E86C8}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSHELP.MSUSER\ = "MSUSER Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8D4D2F69-DF30-4471-988C-CC58545E86C8}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8D4D2F69-DF30-4471-988C-CC58545E86C8}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C33A35F6-CBB2-4FF5-B029-27E495C5516A}\1.0\ = "MSHELP 1.0 Type Library"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C33A35F6-CBB2-4FF5-B029-27E495C5516A}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{47ADDC5F-EA71-4766-9994-155CE2095A2E}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{47ADDC5F-EA71-4766-9994-155CE2095A2E}\ = "IMSUSER"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{47ADDC5F-EA71-4766-9994-155CE2095A2E}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{47ADDC5F-EA71-4766-9994-155CE2095A2E}\TypeLib\ = "{C33A35F6-CBB2-4FF5-B029-27E495C5516A}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8D4D2F69-DF30-4471-988C-CC58545E86C8}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C33A35F6-CBB2-4FF5-B029-27E495C5516A}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{47ADDC5F-EA71-4766-9994-155CE2095A2E}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{47ADDC5F-EA71-4766-9994-155CE2095A2E}\TypeLib\ = "{C33A35F6-CBB2-4FF5-B029-27E495C5516A}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{47ADDC5F-EA71-4766-9994-155CE2095A2E}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\MSHELP.MSUSER.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\MSHELP.MSUSER\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8D4D2F69-DF30-4471-988C-CC58545E86C8}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8D4D2F69-DF30-4471-988C-CC58545E86C8}\ProgID\ = "MSHELP.MSUSER.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C33A35F6-CBB2-4FF5-B029-27E495C5516A}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C33A35F6-CBB2-4FF5-B029-27E495C5516A}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\e1dfed24548cfb171c80f398c30dd0b1.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C33A35F6-CBB2-4FF5-B029-27E495C5516A}\1.0\HELPDIR	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4236 wrote to memory of 1572	4236	regsvr32.exe	85
PID 4236 wrote to memory of 1572	4236	regsvr32.exe	85
PID 4236 wrote to memory of 1572	4236	regsvr32.exe	85

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\e1dfed24548cfb171c80f398c30dd0b1.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4236
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\e1dfed24548cfb171c80f398c30dd0b1.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:1572

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