a8faa1ee594a63b86951c90e7c4d74513bbd53a46ad512fd0b6338ae1dfda2b4

Analysis

max time kernel
153s
max time network
166s
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, 15:13

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General

Target

a8faa1ee594a63b86951c90e7c4d74513bbd53a46ad512fd0b6338ae1dfda2b4.dll
Size

359KB
MD5

7c37c7cb3eb4a5825046ebe11723b4dc
SHA1

7c798df748d91dcdb283f0d899303570df1291b3
SHA256

a8faa1ee594a63b86951c90e7c4d74513bbd53a46ad512fd0b6338ae1dfda2b4
SHA512

1bbd02902f1e582775274ef1a1e53d188c9e54ee0300b186dbfb0d9182aa8a46b72f7012bfc4b6a8db19d62784482b50c389a414f5d0fe5a777d6a168bff76ab
SSDEEP

6144:68O1RIyC1rzwIcGo/4iIrtO6Xu1KQcXtZx6UbRM1UImW7d+hHCzRduLN:G1bClz/c7/fIxRe5c9Zx6L+W7d+4zPux

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\{1A0D63A4-0F4D-45F6-B0DB-A577F6DF46DF}	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{1A0D63A4-0F4D-45F6-B0DB-A577F6DF46DF}\NoExplorer = "1"	regsvr32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1A0D63A4-0F4D-45F6-B0DB-A577F6DF46DF}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1A0D63A4-0F4D-45F6-B0DB-A577F6DF46DF}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1A0D63A4-0F4D-45F6-B0DB-A577F6DF46DF}\	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1A0D63A4-0F4D-45F6-B0DB-A577F6DF46DF}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1A0D63A4-0F4D-45F6-B0DB-A577F6DF46DF}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\a8faa1ee594a63b86951c90e7c4d74513bbd53a46ad512fd0b6338ae1dfda2b4.dll"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3692 wrote to memory of 3312	3692	regsvr32.exe	79
PID 3692 wrote to memory of 3312	3692	regsvr32.exe	79
PID 3692 wrote to memory of 3312	3692	regsvr32.exe	79

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\a8faa1ee594a63b86951c90e7c4d74513bbd53a46ad512fd0b6338ae1dfda2b4.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3692
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\a8faa1ee594a63b86951c90e7c4d74513bbd53a46ad512fd0b6338ae1dfda2b4.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:3312

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

Windows 7 deprecation

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