ad533cdfbc679aba56595dfaea0dca174bfcd8f3348fea0fb9b141c05b927b9c

Analysis

max time kernel
122s
max time network
132s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
26-12-2023 05:27

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General

Target

5754237238b56b66141add29a766ff5d.dll
Size

439KB
MD5

5754237238b56b66141add29a766ff5d
SHA1

7cb47557c3bd8b6da667375bffffcd47cd07a0f3
SHA256

ad533cdfbc679aba56595dfaea0dca174bfcd8f3348fea0fb9b141c05b927b9c
SHA512

15a8a1f5751770c8b41fc71d36b49660a012d23fb616084078478d8941f76f02f6d460c7485c0d3c98dffab55c0702e304299478cb8ae12380c989c511d3d88d
SSDEEP

6144:jomALXqkDjP0M2zFLSH3qO/I8CYv8hafV2a71z6jMI0Wy+i561+n6KvNg3+O/zPl:RALXqGjP0M2zi3dhz6me1+nrvNg3fzd

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\{FCADDC14-BD46-408A-9842-CDBE1C6D37EB}	regsvr32.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{FCADDC14-BD46-408A-9842-CDBE1C6D37E3}	regsvr32.exe

Modifies registry class 10 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{FCADDC14-BD46-408A-9842-CDBE1C6D37EB}\	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{FCADDC14-BD46-408A-9842-CDBE1C6D37E3}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{FCADDC14-BD46-408A-9842-CDBE1C6D37E3}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\5754237238b56b66141add29a766ff5d.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{FCADDC14-BD46-408A-9842-CDBE1C6D37E3}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{FCADDC14-BD46-408A-9842-CDBE1C6D37EB}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{FCADDC14-BD46-408A-9842-CDBE1C6D37EB}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{FCADDC14-BD46-408A-9842-CDBE1C6D37EB}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\5754237238b56b66141add29a766ff5d.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{FCADDC14-BD46-408A-9842-CDBE1C6D37EB}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{FCADDC14-BD46-408A-9842-CDBE1C6D37E3}\	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{FCADDC14-BD46-408A-9842-CDBE1C6D37E3}\InprocServer32	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2104 wrote to memory of 2180	2104	regsvr32.exe	28
PID 2104 wrote to memory of 2180	2104	regsvr32.exe	28
PID 2104 wrote to memory of 2180	2104	regsvr32.exe	28
PID 2104 wrote to memory of 2180	2104	regsvr32.exe	28
PID 2104 wrote to memory of 2180	2104	regsvr32.exe	28
PID 2104 wrote to memory of 2180	2104	regsvr32.exe	28
PID 2104 wrote to memory of 2180	2104	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\5754237238b56b66141add29a766ff5d.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2104
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\5754237238b56b66141add29a766ff5d.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:2180

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/2180-0-0x00000000007C0000-0x0000000000832000-memory.dmp

Filesize
456KB

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