fa635c34d7c9af8c7ccf6cf872e7efc1d75a4bb1a9512dc20ab3d51d5d96f435

Analysis

max time kernel
119s
max time network
126s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
30/12/2023, 11:02

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General

Target

16a8cad0aba1a556189f258af26490e4.dll
Size

63KB
MD5

16a8cad0aba1a556189f258af26490e4
SHA1

0040714a31c0d038dfc5d361c12e3c80539344e7
SHA256

fa635c34d7c9af8c7ccf6cf872e7efc1d75a4bb1a9512dc20ab3d51d5d96f435
SHA512

8e7855fcf384145083531c56bbd0ec15dfa2e45211cd5e270a444a1b204ee99c713a29c4c2ffbcd4ddca05dcd835df0fb3a9405d6fd1d202e69479f2712fae2d
SSDEEP

1536:gt22F6I8QzxQSnLJJFgD23gMiv3Ww7de3NP4Zmy22:gtN58QjLHy0Jiv/MZ4d22

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\{49E0E0F0-5C30-11D4-945D-000000007667}	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{49E0E0F0-5C30-11D4-945D-000000007667}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\16a8cad0aba1a556189f258af26490e4.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\16a8cad0aba1a556189f258af26490e4.IEHelperOP\ = "Internet System"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\16a8cad0aba1a556189f258af26490e4.IEHelperOP\Clsid	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\16a8cad0aba1a556189f258af26490e4.IEHelperOP\Clsid\ = "{49E0E0F0-5C30-11D4-945D-000000007667}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{49E0E0F0-5C30-11D4-945D-000000007667}\ = "Internet System"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{49E0E0F0-5C30-11D4-945D-000000007667}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{49E0E0F0-5C30-11D4-945D-000000007667}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\16a8cad0aba1a556189f258af26490e4.IEHelperOP	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{49E0E0F0-5C30-11D4-945D-000000007667}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{49E0E0F0-5C30-11D4-945D-000000007667}\ProgID\ = "16a8cad0aba1a556189f258af26490e4.IEHelperOP"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{49E0E0F0-5C30-11D4-945D-000000007667}	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 760 wrote to memory of 2304	760	regsvr32.exe	28
PID 760 wrote to memory of 2304	760	regsvr32.exe	28
PID 760 wrote to memory of 2304	760	regsvr32.exe	28
PID 760 wrote to memory of 2304	760	regsvr32.exe	28
PID 760 wrote to memory of 2304	760	regsvr32.exe	28
PID 760 wrote to memory of 2304	760	regsvr32.exe	28
PID 760 wrote to memory of 2304	760	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\16a8cad0aba1a556189f258af26490e4.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:760
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\16a8cad0aba1a556189f258af26490e4.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:2304

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

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Downloads

memory/2304-1-0x0000000002560000-0x000000000259B000-memory.dmp

Filesize
236KB

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memory/2304-0-0x0000000002560000-0x000000000259B000-memory.dmp

Filesize
236KB

Download