4f3e90771e8fa912d9d5c7d6fd27cdb4e4b21703c8590c9e7d0795fb6ed1f615

Analysis

max time kernel
145s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
18-01-2024 00:43

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General

Target

64091ff9d9021a857598ff11e4db8470.dll
Size

19KB
MD5

64091ff9d9021a857598ff11e4db8470
SHA1

586e92c56d7b99e61502dc662062d8ddfb88367c
SHA256

4f3e90771e8fa912d9d5c7d6fd27cdb4e4b21703c8590c9e7d0795fb6ed1f615
SHA512

fd4d5145a47aa956e10f062a311787e44e61ecd935e40302fd289d27317cb37f1263d2c8e621a74b3a8a45c8ffec0033fd45cac16b81e1beb23113b718d28e87
SSDEEP

384:+Dgy323gQIhmX6AFmk3t19nMRsCW12SUlGElFEkpF1:+r323gnhmKUrvJMRbZS6lx71

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\{8A06A1A7-9E64-4359-8556-B6EA03D69814}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{8A06A1A7-9E64-4359-8556-B6EA03D69814}\	regsvr32.exe

Modifies registry class 4 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8A06A1A7-9E64-4359-8556-B6EA03D69814}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8A06A1A7-9E64-4359-8556-B6EA03D69814}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8A06A1A7-9E64-4359-8556-B6EA03D69814}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\64091ff9d9021a857598ff11e4db8470.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8A06A1A7-9E64-4359-8556-B6EA03D69814}\InprocServer32\ThreadingModel = "Free"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2820 wrote to memory of 4484	2820	regsvr32.exe	86
PID 2820 wrote to memory of 4484	2820	regsvr32.exe	86
PID 2820 wrote to memory of 4484	2820	regsvr32.exe	86

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\64091ff9d9021a857598ff11e4db8470.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2820
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\64091ff9d9021a857598ff11e4db8470.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:4484

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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/4484-0-0x0000000010000000-0x000000001001A000-memory.dmp

Filesize
104KB

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