f215579746ed6acf7a6bfecdbd83fb08ad461b2bd8969467f1254c47b68e02d9

Analysis

max time kernel
149s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
08-01-2024 17:03

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General

Target

4bfc28acea4fa7ad1c42515bafa80349.dll
Size

208KB
MD5

4bfc28acea4fa7ad1c42515bafa80349
SHA1

e17bee83aa2c4f15e6ec77e50b2acc6ba84df37f
SHA256

f215579746ed6acf7a6bfecdbd83fb08ad461b2bd8969467f1254c47b68e02d9
SHA512

a4b058ee41bcfe4848314f023f1a2d39cc1ea88151171603308b66bee47ab820173ba361e26a8137ad9f72a4f5f7eb667ebffa8268e03691c135567f18cd5bec
SSDEEP

3072:MJc+U0Bg5fIVqyCeNtu+BkNk0/vKcP1Grl4NzAHyvpYgyR03dlWUIo/toOwQk:MJc+U8wIVqyCene/OIFmOg

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Internet Explorer\Toolbar	regsvr32.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Toolbar\{1EE3EAF4-D787-4E81-944C-D61A9E1869C4}	regsvr32.exe

Modifies registry class 46 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\olnmraew.ToolBar.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\olnmraew.bsfk\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1EE3EAF4-D787-4E81-944C-D61A9E1869C4}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{96EF7FA5-D600-4F84-A63B-5B06EF498CB0}\ = "Ibsfk"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{96EF7FA5-D600-4F84-A63B-5B06EF498CB0}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{96EF7FA5-D600-4F84-A63B-5B06EF498CB0}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{96EF7FA5-D600-4F84-A63B-5B06EF498CB0}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\olnmraew.bsfk	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\olnmraew.bsfk\CurVer\ = "olnmraew.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1EE3EAF4-D787-4E81-944C-D61A9E1869C4}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{586D5226-28DA-4F8D-A736-47D9716E0B44}\1.0\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{96EF7FA5-D600-4F84-A63B-5B06EF498CB0}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{96EF7FA5-D600-4F84-A63B-5B06EF498CB0}\ = "Ibsfk"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1EE3EAF4-D787-4E81-944C-D61A9E1869C4}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{96EF7FA5-D600-4F84-A63B-5B06EF498CB0}\TypeLib\ = "{586D5226-28DA-4F8D-A736-47D9716E0B44}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1EE3EAF4-D787-4E81-944C-D61A9E1869C4}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1EE3EAF4-D787-4E81-944C-D61A9E1869C4}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\4bfc28acea4fa7ad1c42515bafa80349.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{586D5226-28DA-4F8D-A736-47D9716E0B44}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{586D5226-28DA-4F8D-A736-47D9716E0B44}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{96EF7FA5-D600-4F84-A63B-5B06EF498CB0}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{96EF7FA5-D600-4F84-A63B-5B06EF498CB0}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{96EF7FA5-D600-4F84-A63B-5B06EF498CB0}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{96EF7FA5-D600-4F84-A63B-5B06EF498CB0}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\olnmraew.ToolBar.1\ = "olnmraew"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1EE3EAF4-D787-4E81-944C-D61A9E1869C4}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{586D5226-28DA-4F8D-A736-47D9716E0B44}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{586D5226-28DA-4F8D-A736-47D9716E0B44}\1.0\ = "olnmraew"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{586D5226-28DA-4F8D-A736-47D9716E0B44}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{586D5226-28DA-4F8D-A736-47D9716E0B44}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\olnmraew.ToolBar.1\CLSID\ = "{1EE3EAF4-D787-4E81-944C-D61A9E1869C4}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{586D5226-28DA-4F8D-A736-47D9716E0B44}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{586D5226-28DA-4F8D-A736-47D9716E0B44}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\4bfc28acea4fa7ad1c42515bafa80349.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{96EF7FA5-D600-4F84-A63B-5B06EF498CB0}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{96EF7FA5-D600-4F84-A63B-5B06EF498CB0}\TypeLib\ = "{586D5226-28DA-4F8D-A736-47D9716E0B44}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\olnmraew.ToolBar.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\olnmraew.bsfk\CLSID\ = "{1EE3EAF4-D787-4E81-944C-D61A9E1869C4}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\olnmraew.bsfk\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1EE3EAF4-D787-4E81-944C-D61A9E1869C4}\ = "olnmraew"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1EE3EAF4-D787-4E81-944C-D61A9E1869C4}\ProgID\ = "olnmraew.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1EE3EAF4-D787-4E81-944C-D61A9E1869C4}\TypeLib\ = "{586D5226-28DA-4F8D-A736-47D9716E0B44}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\olnmraew.bsfk\ = "olnmraew"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1EE3EAF4-D787-4E81-944C-D61A9E1869C4}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1EE3EAF4-D787-4E81-944C-D61A9E1869C4}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1EE3EAF4-D787-4E81-944C-D61A9E1869C4}\VersionIndependentProgID\ = "olnmraew"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{586D5226-28DA-4F8D-A736-47D9716E0B44}\1.0\HELPDIR\	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{96EF7FA5-D600-4F84-A63B-5B06EF498CB0}\TypeLib\Version = "1.0"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5008 wrote to memory of 4140	5008	regsvr32.exe	15
PID 5008 wrote to memory of 4140	5008	regsvr32.exe	15
PID 5008 wrote to memory of 4140	5008	regsvr32.exe	15

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\4bfc28acea4fa7ad1c42515bafa80349.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:5008
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\4bfc28acea4fa7ad1c42515bafa80349.dll
  2⤵
  - Modifies Internet Explorer settings
  - Modifies registry class
  PID:4140

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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