a150cfb2f644b00d0cf912309878cf15a995916e924325d8a1e55e1575b0bdc4

Analysis

max time kernel
147s
max time network
179s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
04/12/2022, 06:10

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General

Target

a150cfb2f644b00d0cf912309878cf15a995916e924325d8a1e55e1575b0bdc4.dll
Size

437KB
MD5

b9ca2215579a22a84c6ab03dade18d7a
SHA1

fc88fc4a5d560d88515d6ec38b3bd4f2211f4070
SHA256

a150cfb2f644b00d0cf912309878cf15a995916e924325d8a1e55e1575b0bdc4
SHA512

7c466e2a84c396f247258eecfb2bd037cef7d20b57b4e79fa3260935254fbf36053c241b5d9bcfa9a24a4f124874bf9fc7a2b466f61c8937a81ebbf07f6c82d5
SSDEEP

12288:ttrEZsZq0inOPehTKx8sa7slRb3qL0iY:LAZ0GheC+bgY

Score

6^/10

adware stealer

Malware Config

Signatures

Installs/modifies Browser Helper Object 2 TTPs 1 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\{A9ABA412-5AF4-43E0-80AD-73F28E62AE7D}	regsvr32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A9ABA412-5AF4-43E0-80AD-73F28E62AE7D}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A9ABA412-5AF4-43E0-80AD-73F28E62AE7D}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A9ABA412-5AF4-43E0-80AD-73F28E62AE7D}\	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A9ABA412-5AF4-43E0-80AD-73F28E62AE7D}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A9ABA412-5AF4-43E0-80AD-73F28E62AE7D}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\a150cfb2f644b00d0cf912309878cf15a995916e924325d8a1e55e1575b0bdc4.dll"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3604 wrote to memory of 1248	3604	regsvr32.exe	84
PID 3604 wrote to memory of 1248	3604	regsvr32.exe	84
PID 3604 wrote to memory of 1248	3604	regsvr32.exe	84

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\a150cfb2f644b00d0cf912309878cf15a995916e924325d8a1e55e1575b0bdc4.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3604
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\a150cfb2f644b00d0cf912309878cf15a995916e924325d8a1e55e1575b0bdc4.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:1248

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

Replay Monitor

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Downloads

memory/1248-133-0x0000000000400000-0x000000000053E000-memory.dmp

Filesize
1.2MB

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