a385b7c032102e4968313368871502788dd423648491192a608d7bd9815b80ba

Analysis

max time kernel
278s
max time network
318s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
03/12/2022, 16:14

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General

Target

a385b7c032102e4968313368871502788dd423648491192a608d7bd9815b80ba.dll
Size

342KB
MD5

4c0947d105b2bfd059357a25d269b564
SHA1

a338590313c95f84f45d4cda09fdb32c65576581
SHA256

a385b7c032102e4968313368871502788dd423648491192a608d7bd9815b80ba
SHA512

edc2159a1034b31dab53c9d801086f042114461fbbb2201cd9fc1c6d519719128aad76b1d032c26629398e1a73d6bcf0496852e035551eb18d40e13f792dd5dc
SSDEEP

6144:VK2m70AYJF+4KEoel8a60B4YwzsbCd6v4an77eIzTBnRU3ulDhQeWN:VdSY9KEV60BKzsbCdolzT1RU8DhQxN

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\{c598b4bf-3730-b29b-0248-a1aa3f136212}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{c598b4bf-3730-b29b-0248-a1aa3f136212}\NoExplorer = "\"\""	regsvr32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{c598b4bf-3730-b29b-0248-a1aa3f136212}\InProcServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{c598b4bf-3730-b29b-0248-a1aa3f136212}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{c598b4bf-3730-b29b-0248-a1aa3f136212}\ = "adssite"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{c598b4bf-3730-b29b-0248-a1aa3f136212}\InProcServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{c598b4bf-3730-b29b-0248-a1aa3f136212}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\a385b7c032102e4968313368871502788dd423648491192a608d7bd9815b80ba.dll"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3636 wrote to memory of 1424	3636	regsvr32.exe	81
PID 3636 wrote to memory of 1424	3636	regsvr32.exe	81
PID 3636 wrote to memory of 1424	3636	regsvr32.exe	81

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\a385b7c032102e4968313368871502788dd423648491192a608d7bd9815b80ba.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3636
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\a385b7c032102e4968313368871502788dd423648491192a608d7bd9815b80ba.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:1424

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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