a78a2c83cd203727c668c4491fba8eaf905c98b1696d87be827ad1ba89b7cddb

Analysis

max time kernel
122s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
19-09-2022 09:21

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General

Target

a78a2c83cd203727c668c4491fba8eaf905c98b1696d87be827ad1ba89b7cddb.dll
Size

186KB
MD5

789a99bded256f3ee802439c50c272cb
SHA1

954e358bf6abd7b2715a2529d3ec8a9f1683f924
SHA256

a78a2c83cd203727c668c4491fba8eaf905c98b1696d87be827ad1ba89b7cddb
SHA512

7afd4dda9974dfa32bb31cd61e1200207a66a7f3af5606c62089acf63b9c50402470de8b6e050733389df21eac28e0a5bdc7e9a39b5ec013a2252f4b8548a3e0
SSDEEP

3072:1fUGMbqkX0Jhffv9DocZeMsLbBrmOFdCQ1wp9r4GeN4eAQVCevyW/uQSmIi:1dMbkJrDLZeMsZi21wp9EGEVtUumQSmH

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\{47CFDDF9-6FBD-4C06-8753-24FEFBA10D81}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{47CFDDF9-6FBD-4C06-8753-24FEFBA10D81}\	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{47CFDDF9-6FBD-4C06-8753-24FEFBA10D81}\	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{47CFDDF9-6FBD-4C06-8753-24FEFBA10D81}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\a78a2c83cd203727c668c4491fba8eaf905c98b1696d87be827ad1ba89b7cddb.mischat	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\a78a2c83cd203727c668c4491fba8eaf905c98b1696d87be827ad1ba89b7cddb.mischat\Clsid\ = "{47CFDDF9-6FBD-4C06-8753-24FEFBA10D81}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{47CFDDF9-6FBD-4C06-8753-24FEFBA10D81}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{47CFDDF9-6FBD-4C06-8753-24FEFBA10D81}\ProgID\ = "a78a2c83cd203727c668c4491fba8eaf905c98b1696d87be827ad1ba89b7cddb.mischat"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{47CFDDF9-6FBD-4C06-8753-24FEFBA10D81}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{47CFDDF9-6FBD-4C06-8753-24FEFBA10D81}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\a78a2c83cd203727c668c4491fba8eaf905c98b1696d87be827ad1ba89b7cddb.mischat\	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\a78a2c83cd203727c668c4491fba8eaf905c98b1696d87be827ad1ba89b7cddb.mischat\Clsid	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{47CFDDF9-6FBD-4C06-8753-24FEFBA10D81}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\a78a2c83cd203727c668c4491fba8eaf905c98b1696d87be827ad1ba89b7cddb.dll"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4972 wrote to memory of 5016	4972	regsvr32.exe	81
PID 4972 wrote to memory of 5016	4972	regsvr32.exe	81
PID 4972 wrote to memory of 5016	4972	regsvr32.exe	81

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\a78a2c83cd203727c668c4491fba8eaf905c98b1696d87be827ad1ba89b7cddb.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4972
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\a78a2c83cd203727c668c4491fba8eaf905c98b1696d87be827ad1ba89b7cddb.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:5016

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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