dd49cb677a7366ae5fc401f9e09b4e0cbd76c617eb6e3530038a7b4a61065b28

Analysis

max time kernel
137s
max time network
172s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
03/12/2022, 19:56

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General

Target

dd49cb677a7366ae5fc401f9e09b4e0cbd76c617eb6e3530038a7b4a61065b28.dll
Size

410KB
MD5

b2b67f1659a03d52718ea57e36be69f3
SHA1

59b7a41baa1588e069f52e4d2a10bed5add38301
SHA256

dd49cb677a7366ae5fc401f9e09b4e0cbd76c617eb6e3530038a7b4a61065b28
SHA512

d9ddc19df4cb693d378d188b60e467d836603861ccb59e47b492cfb55907c91cbfc6f1369f995f5b906e71e923f8ce36669b6283f31682286a27899b2262896a
SSDEEP

6144:gjOYqU+d7ZXS0T6mhY8m7rS/6OYAyZ1K6CHgsWd57Rl1eF7fYs7J/w5AYdxuHJLP:uqU+NZi0umiLchgVZ8ws7efg

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\{73A1F53E-B252-4ABF-9806-C26AB5FDFBD1}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{73A1F53E-B252-4ABF-9806-C26AB5FDFBD1}\	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{73A1F53E-B252-4ABF-9806-C26AB5FDFBD1}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{73A1F53E-B252-4ABF-9806-C26AB5FDFBD1}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\dd49cb677a7366ae5fc401f9e09b4e0cbd76c617eb6e3530038a7b4a61065b28.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{73A1F53E-B252-4ABF-9806-C26AB5FDFBD1}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{73A1F53E-B252-4ABF-9806-C26AB5FDFBD1}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{73A1F53E-B252-4ABF-9806-C26AB5FDFBD1}\ProgID\ = "dd49cb677a7366ae5fc401f9e09b4e0cbd76c617eb6e3530038a7b4a61065b28.manbsou"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{73A1F53E-B252-4ABF-9806-C26AB5FDFBD1}\	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\dd49cb677a7366ae5fc401f9e09b4e0cbd76c617eb6e3530038a7b4a61065b28.manbsou	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\dd49cb677a7366ae5fc401f9e09b4e0cbd76c617eb6e3530038a7b4a61065b28.manbsou\	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\dd49cb677a7366ae5fc401f9e09b4e0cbd76c617eb6e3530038a7b4a61065b28.manbsou\Clsid	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\dd49cb677a7366ae5fc401f9e09b4e0cbd76c617eb6e3530038a7b4a61065b28.manbsou\Clsid\ = "{73A1F53E-B252-4ABF-9806-C26AB5FDFBD1}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{73A1F53E-B252-4ABF-9806-C26AB5FDFBD1}	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4172 wrote to memory of 4772	4172	regsvr32.exe	80
PID 4172 wrote to memory of 4772	4172	regsvr32.exe	80
PID 4172 wrote to memory of 4772	4172	regsvr32.exe	80

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\dd49cb677a7366ae5fc401f9e09b4e0cbd76c617eb6e3530038a7b4a61065b28.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4172
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\dd49cb677a7366ae5fc401f9e09b4e0cbd76c617eb6e3530038a7b4a61065b28.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:4772

Network

MITRE ATT&CK Enterprise v6

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/4772-133-0x0000000002040000-0x00000000020AB000-memory.dmp

Filesize
428KB

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