d9998f9223a466615d415c5a10eb067866b16382ca7845ff13427e1b2eb8b0e8

Analysis

max time kernel
94s
max time network
122s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
submitted
04/07/2024, 22:34

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General

Target

$COMMONFILES/Angels/IEMenuExt.dll
Size

189KB
MD5

4c84f04a8193922f1df9057179dd530d
SHA1

3dd3a8e039d247dd6f67db534be302999a86f356
SHA256

bac6a4f6aa8a6db991f806819cac95ef1b0b2b40f05240ec762f1515b0c1e4ae
SHA512

40fb4feadd1ffd79d013dc6321baa136d85b8e13f8786f35fcf2c370a04b3dc55d7b89c50541fad4a4a95f4ac752a0490c7f67b6c7b2b179329ada46ce54e20c
SSDEEP

3072:fBX8nYTs/0Xbi4HgovR7P0pB9/6Q5p4YelfE9H+Ra9+1GIXY9H2l:JX9Tc4n7Wp6QrJeWHCaP

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 4 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2494989678-839960665-2515455429-1000\SOFTWARE\Microsoft\Internet Explorer\MenuExt\Ìí¼ÓÎª¹ã¸æÀ¹½ØÍ¼Æ¬	regsvr32.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2494989678-839960665-2515455429-1000\SOFTWARE\Microsoft\Internet Explorer\MenuExt\Ìí¼ÓÎª¹ã¸æÀ¹½ØÍ¼Æ¬\Contexts = "2"	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-2494989678-839960665-2515455429-1000\Software\Microsoft\Internet Explorer\MenuExt\添加為廣告過濾圖片	regsvr32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2494989678-839960665-2515455429-1000\SOFTWARE\Microsoft\Internet Explorer\MenuExt\添加為廣告過濾圖片\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\$COMMONFILES\\Angels\\AddBlock.htm"	regsvr32.exe

Modifies registry class 50 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{91A31ED4-41D3-40F7-9A52-63F8030A4A5D}\ = "IMenuExt"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{91A31ED4-41D3-40F7-9A52-63F8030A4A5D}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{91A31ED4-41D3-40F7-9A52-63F8030A4A5D}\ = "IMenuExt"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{6B1C04A5-4825-4B1B-98A9-44E9A63F3676}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{6B1C04A5-4825-4B1B-98A9-44E9A63F3676}\ = "IEMenuExt"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEMenuExt.MenuExt	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{91A31ED4-41D3-40F7-9A52-63F8030A4A5D}\TypeLib\ = "{86BFA449-BB44-4453-86D5-5D83DB14CC5B}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\IEMenuExt.DLL	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B7C8676C-B595-4405-B97A-8C7E32D65454}\ProgID\ = "IEMenuExt.MenuExt.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{86BFA449-BB44-4453-86D5-5D83DB14CC5B}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEMenuExt.MenuExt\ = "MenuExt Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{86BFA449-BB44-4453-86D5-5D83DB14CC5B}\1.0\ = "IEMenuExt 1.0 Type Library"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{86BFA449-BB44-4453-86D5-5D83DB14CC5B}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{86BFA449-BB44-4453-86D5-5D83DB14CC5B}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\$COMMONFILES\\Angels\\IEMenuExt.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\IEMenuExt.DLL\AppID = "{6B1C04A5-4825-4B1B-98A9-44E9A63F3676}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B7C8676C-B595-4405-B97A-8C7E32D65454}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{86BFA449-BB44-4453-86D5-5D83DB14CC5B}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{91A31ED4-41D3-40F7-9A52-63F8030A4A5D}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEMenuExt.MenuExt.1\ = "MenuExt Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B7C8676C-B595-4405-B97A-8C7E32D65454}\VersionIndependentProgID\ = "IEMenuExt.MenuExt"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{91A31ED4-41D3-40F7-9A52-63F8030A4A5D}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B7C8676C-B595-4405-B97A-8C7E32D65454}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\$COMMONFILES\\Angels\\IEMenuExt.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{91A31ED4-41D3-40F7-9A52-63F8030A4A5D}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B7C8676C-B595-4405-B97A-8C7E32D65454}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{91A31ED4-41D3-40F7-9A52-63F8030A4A5D}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{91A31ED4-41D3-40F7-9A52-63F8030A4A5D}\TypeLib\ = "{86BFA449-BB44-4453-86D5-5D83DB14CC5B}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B7C8676C-B595-4405-B97A-8C7E32D65454}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B7C8676C-B595-4405-B97A-8C7E32D65454}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEMenuExt.MenuExt\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEMenuExt.MenuExt\CLSID\ = "{B7C8676C-B595-4405-B97A-8C7E32D65454}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{91A31ED4-41D3-40F7-9A52-63F8030A4A5D}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B7C8676C-B595-4405-B97A-8C7E32D65454}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B7C8676C-B595-4405-B97A-8C7E32D65454}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{91A31ED4-41D3-40F7-9A52-63F8030A4A5D}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEMenuExt.MenuExt.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{86BFA449-BB44-4453-86D5-5D83DB14CC5B}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEMenuExt.MenuExt\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B7C8676C-B595-4405-B97A-8C7E32D65454}\ = "MenuExt Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B7C8676C-B595-4405-B97A-8C7E32D65454}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B7C8676C-B595-4405-B97A-8C7E32D65454}\TypeLib\ = "{86BFA449-BB44-4453-86D5-5D83DB14CC5B}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEMenuExt.MenuExt\CurVer\ = "IEMenuExt.MenuExt.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{86BFA449-BB44-4453-86D5-5D83DB14CC5B}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{86BFA449-BB44-4453-86D5-5D83DB14CC5B}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\$COMMONFILES\\Angels"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEMenuExt.MenuExt.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{86BFA449-BB44-4453-86D5-5D83DB14CC5B}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{91A31ED4-41D3-40F7-9A52-63F8030A4A5D}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{91A31ED4-41D3-40F7-9A52-63F8030A4A5D}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{91A31ED4-41D3-40F7-9A52-63F8030A4A5D}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEMenuExt.MenuExt.1\CLSID\ = "{B7C8676C-B595-4405-B97A-8C7E32D65454}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{86BFA449-BB44-4453-86D5-5D83DB14CC5B}	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4136 wrote to memory of 5028	4136	regsvr32.exe	81
PID 4136 wrote to memory of 5028	4136	regsvr32.exe	81
PID 4136 wrote to memory of 5028	4136	regsvr32.exe	81

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\$COMMONFILES\Angels\IEMenuExt.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4136
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\$COMMONFILES\Angels\IEMenuExt.dll
  2⤵
  - Modifies Internet Explorer settings
  - Modifies registry class
  PID:5028

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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