731a639e1462ee8b5c212a28774f4125430111f9bf865ffa67a7c9c82e3961b4

Analysis

max time kernel
148s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
12/09/2024, 20:01

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General

Target

$COMMONFILES/Angels/IEMenuExt.dll
Size

194KB
MD5

4c6f8c20b9a649e42b07f33bcce32290
SHA1

c5a59524d924aa66c321479cc1dd0486cb669f61
SHA256

ae47cd1154ceafc74bb4b8b11f5425bd12f2ac5eb3f3ecd7153837cd1b0761f7
SHA512

59d0c341a4beff3dc2b53d3493e2a4642b6c91a426aca0a5510f8ddff732aebc22882535841cf96295acb630b6b73609031df1b697308f360d6798e865fdcd3f
SSDEEP

3072:tHWSddWrkqTQslbv7mfpAQx0F9OS8jouaTX5CEoHgr5Aa9+4UtEBi41kRw:ZW4r87y0POJvakEoHk5AaCfi

Score

3^/10

discovery

Malware Config

Signatures

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe

Modifies Internet Explorer settings 1 TTPs 4 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Internet Explorer\MenuExt\Ìí¼ÓÎª¹ã¸æÀ¹½ØÍ¼Æ¬	regsvr32.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Internet Explorer\MenuExt\Ìí¼ÓÎª¹ã¸æÀ¹½ØÍ¼Æ¬\Contexts = "2"	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Internet Explorer\MenuExt\添加為廣告過濾圖片	regsvr32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Internet Explorer\MenuExt\添加為廣告過濾圖片\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\$COMMONFILES\\Angels\\IE360.htm"	regsvr32.exe

Modifies registry class 50 IoCs

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

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1288 wrote to memory of 636	1288	regsvr32.exe	83
PID 1288 wrote to memory of 636	1288	regsvr32.exe	83
PID 1288 wrote to memory of 636	1288	regsvr32.exe	83

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\$COMMONFILES\Angels\IEMenuExt.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1288
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\$COMMONFILES\Angels\IEMenuExt.dll
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies Internet Explorer settings
  - Modifies registry class
  PID:636

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

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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