8bc121503ba69bd1bd0529a938d55621c5c1206f8a32b1b8a389d3c89591690d

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
13/03/2024, 15:37

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General

Target

c63de764fe6a63555d4f5d5c7621abad.dll
Size

407KB
MD5

c63de764fe6a63555d4f5d5c7621abad
SHA1

5bd4b94e7c086cb5c6d55aec31272724bd8f5099
SHA256

8bc121503ba69bd1bd0529a938d55621c5c1206f8a32b1b8a389d3c89591690d
SHA512

32c09f6efc966e3f081f6dea8a94b3e1fdfc8e64c8c5c489dc67038c7a0212e7ba1a67cb2feb34cfad1c9f6307d51b9d501ec81115d5cc6597e799f13af4259a
SSDEEP

12288:YFzgoT3qJ0NNpwCmcNRYyyyL8X7+1S2hB:YFzgwqsPucAvyL8qHhB

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 9 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_LOCALMACHINE_LOCKDOWN	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\SOFTWARE\Microsoft\Internet Explorer\Explorer Bars\{311DDB69-FECE-40FE-BE7A-0CEC56554775}	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\SOFTWARE\Microsoft\Internet Explorer\Explorer Bars	regsvr32.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\SOFTWARE\Microsoft\Internet Explorer\Explorer Bars\{311DDB69-FECE-40FE-BE7A-0CEC56554775}\BarSize = fd00000000000000	regsvr32.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_LOCALMACHINE_LOCKDOWN\iexplore.exe = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Explorer Bars\{311DDB69-FECE-40FE-BE7A-0CEC56554775}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Explorer Bars	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Explorer Bars\{311DDB69-FECE-40FE-BE7A-0CEC56554775}\	regsvr32.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Explorer Bars\{311DDB69-FECE-40FE-BE7A-0CEC56554775}\BarSize = fd00000000000000	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{311DDB69-FECE-40FE-BE7A-0CEC56554775}\ = "Mini-Search"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{311DDB69-FECE-40FE-BE7A-0CEC56554775}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{311DDB69-FECE-40FE-BE7A-0CEC56554775}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{311DDB69-FECE-40FE-BE7A-0CEC56554775}\InProcServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{311DDB69-FECE-40FE-BE7A-0CEC56554775}\Implemented Categories	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{311DDB69-FECE-40FE-BE7A-0CEC56554775}\Implemented Categories\{00021493-0000-0000-C000-000000000046}\	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{311DDB69-FECE-40FE-BE7A-0CEC56554775}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{311DDB69-FECE-40FE-BE7A-0CEC56554775}\Implemented Categories\{00021493-0000-0000-C000-000000000046}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{311DDB69-FECE-40FE-BE7A-0CEC56554775}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\c63de764fe6a63555d4f5d5c7621abad.dll"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3276 wrote to memory of 2452	3276	regsvr32.exe	86
PID 3276 wrote to memory of 2452	3276	regsvr32.exe	86
PID 3276 wrote to memory of 2452	3276	regsvr32.exe	86

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\c63de764fe6a63555d4f5d5c7621abad.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3276
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\c63de764fe6a63555d4f5d5c7621abad.dll
  2⤵
  - Modifies Internet Explorer settings
  - Modifies registry class
  PID:2452

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

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/2452-0-0x0000000000400000-0x0000000000557000-memory.dmp

Filesize
1.3MB

Download
memory/2452-1-0x0000000001090000-0x0000000001092000-memory.dmp

Filesize
8KB

Download