b3d936f3307d34d4c8457e2e1ef46f71ba818df56bca299dfb5a54d71912a3ae

Analysis

max time kernel
92s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
01/10/2022, 19:00

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General

Target

b3d936f3307d34d4c8457e2e1ef46f71ba818df56bca299dfb5a54d71912a3ae.dll
Size

144KB
MD5

74571e3e4f70dd389aae7acc9de4857f
SHA1

81a1f3dbd214f0b2ea23ddb0fd78b805ba5f2c1d
SHA256

b3d936f3307d34d4c8457e2e1ef46f71ba818df56bca299dfb5a54d71912a3ae
SHA512

541075639d0657e0f3cb820a4de2fcd67dae8ba0b948f5cf44d63de44d9a31ac353620e4a01a32e8f6957ed4c7701ac73c68f55fd0e7b3ba1978a49d3c94899a
SSDEEP

3072:bVQtcl8vPVsWceHDqGw3qiBefrC6R6/5U44J2:bVdGvPa4qGqqiB46yz

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\{9F531FB1-7C1F-4E1A-8C0C-E8D6177130E2}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{9F531FB1-7C1F-4E1A-8C0C-E8D6177130E2}\NoExplorer	regsvr32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9F531FB1-7C1F-4E1A-8C0C-E8D6177130E2}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9F531FB1-7C1F-4E1A-8C0C-E8D6177130E2}\ = "Gaming support for ArcadeWeb"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9F531FB1-7C1F-4E1A-8C0C-E8D6177130E2}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9F531FB1-7C1F-4E1A-8C0C-E8D6177130E2}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\b3d936f3307d34d4c8457e2e1ef46f71ba818df56bca299dfb5a54d71912a3ae.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9F531FB1-7C1F-4E1A-8C0C-E8D6177130E2}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1044 wrote to memory of 2204	1044	regsvr32.exe	83
PID 1044 wrote to memory of 2204	1044	regsvr32.exe	83
PID 1044 wrote to memory of 2204	1044	regsvr32.exe	83

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\b3d936f3307d34d4c8457e2e1ef46f71ba818df56bca299dfb5a54d71912a3ae.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1044
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\b3d936f3307d34d4c8457e2e1ef46f71ba818df56bca299dfb5a54d71912a3ae.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:2204

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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