058d25ce84db98038da1137a47b95778ec4ddf360af19cbb4dd95687d03875e2

Analysis

max time kernel
129s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19-08-2024 22:21

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General

Target

2024-08-19_1ef4967fef53a3a587bf37c71bd1d2d3_ryuk.exe
Size

1.7MB
MD5

1ef4967fef53a3a587bf37c71bd1d2d3
SHA1

0a56012fd9c13f92b9967c736659489b4b0ebdd2
SHA256

058d25ce84db98038da1137a47b95778ec4ddf360af19cbb4dd95687d03875e2
SHA512

07698d67f0ac208124c0cdb320aff2b781e62fe9c0f6b800cddedc93e1367dbdaeba90b73d7f5d360bddb60ee2adb1f42ae76654e824a660796a506d95be3f59
SSDEEP

24576:3iBE0zqwXeAVmYZsqjnhMgeiCl7G0nehbGZpbD:je5Xe6XdDmg27RnWGj

Score

7^/10

persistence privilege_escalation

Malware Config

Signatures

Event Triggered Execution: Component Object Model Hijacking 1 TTPs
Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.
persistence privilege_escalation

Component Object Model Hijacking
T1546.015

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\alg.exe	2024-08-19_1ef4967fef53a3a587bf37c71bd1d2d3_ryuk.exe

Modifies registry class 52 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{C41B1461-3F8C-4666-B512-6DF24DE566D1}\LocalServer32\ = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\2024-08-19_1ef4967fef53a3a587bf37c71bd1d2d3_ryuk.exe\""	2024-08-19_1ef4967fef53a3a587bf37c71bd1d2d3_ryuk.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{C41B1461-3F8C-4666-B512-6DF24DE566D1}\TypeLib\ = "{66DBA565-0D3D-4D8A-9391-A2A4CF16DF40}"	2024-08-19_1ef4967fef53a3a587bf37c71bd1d2d3_ryuk.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IntelCpHeciSvc.CphsSession	2024-08-19_1ef4967fef53a3a587bf37c71bd1d2d3_ryuk.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{66DBA565-0D3D-4D8A-9391-A2A4CF16DF40}	2024-08-19_1ef4967fef53a3a587bf37c71bd1d2d3_ryuk.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{66DBA565-0D3D-4D8A-9391-A2A4CF16DF40}\1.0\FLAGS\ = "0"	2024-08-19_1ef4967fef53a3a587bf37c71bd1d2d3_ryuk.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{66DBA565-0D3D-4D8A-9391-A2A4CF16DF40}\1.0\0	2024-08-19_1ef4967fef53a3a587bf37c71bd1d2d3_ryuk.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{11AC3232-E7D7-49CD-ABFE-501700100B3A}\LaunchPermission = 010014809c000000ac000000140000003000000002001c0001000000110014000400000001010000000000100010000002006c0003000000000014000b000000010100000000000100000000000018000b000000010200000000000f0200000001000000000038000b000000010a00000000000f0300000000040000ce4a9359b9cf0b7575c0f29bb2b4c298d446ddf9027a87ec14651177d6e996550102000000000005200000002002000001020000000000052000000020020000	2024-08-19_1ef4967fef53a3a587bf37c71bd1d2d3_ryuk.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IntelCpHeciSvc.CphsSession.1	2024-08-19_1ef4967fef53a3a587bf37c71bd1d2d3_ryuk.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IntelCpHeciSvc.CphsSession\CurVer\ = "IntelCpHeciSvc.CphsSession.1"	2024-08-19_1ef4967fef53a3a587bf37c71bd1d2d3_ryuk.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{C41B1461-3F8C-4666-B512-6DF24DE566D1}	2024-08-19_1ef4967fef53a3a587bf37c71bd1d2d3_ryuk.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{C41B1461-3F8C-4666-B512-6DF24DE566D1}\ProgID	2024-08-19_1ef4967fef53a3a587bf37c71bd1d2d3_ryuk.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{66DBA565-0D3D-4D8A-9391-A2A4CF16DF40}\1.0\FLAGS	2024-08-19_1ef4967fef53a3a587bf37c71bd1d2d3_ryuk.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A91E0BDD-79B0-42C5-A3A0-5BE434329577}\TypeLib\ = "{66DBA565-0D3D-4D8A-9391-A2A4CF16DF40}"	2024-08-19_1ef4967fef53a3a587bf37c71bd1d2d3_ryuk.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IntelCpHeciSvc.CphsSession\CLSID	2024-08-19_1ef4967fef53a3a587bf37c71bd1d2d3_ryuk.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A91E0BDD-79B0-42C5-A3A0-5BE434329577}\TypeLib\ = "{66DBA565-0D3D-4D8A-9391-A2A4CF16DF40}"	2024-08-19_1ef4967fef53a3a587bf37c71bd1d2d3_ryuk.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IntelCpHeciSvc.CphsSession\CurVer	2024-08-19_1ef4967fef53a3a587bf37c71bd1d2d3_ryuk.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{66DBA565-0D3D-4D8A-9391-A2A4CF16DF40}\1.0\HELPDIR	2024-08-19_1ef4967fef53a3a587bf37c71bd1d2d3_ryuk.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A91E0BDD-79B0-42C5-A3A0-5BE434329577}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	2024-08-19_1ef4967fef53a3a587bf37c71bd1d2d3_ryuk.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{66DBA565-0D3D-4D8A-9391-A2A4CF16DF40}\1.0\ = "IntelCpHeciSvcLib"	2024-08-19_1ef4967fef53a3a587bf37c71bd1d2d3_ryuk.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IntelCpHeciSvc.CphsSession\CLSID\ = "{C41B1461-3F8C-4666-B512-6DF24DE566D1}"	2024-08-19_1ef4967fef53a3a587bf37c71bd1d2d3_ryuk.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A91E0BDD-79B0-42C5-A3A0-5BE434329577}\TypeLib	2024-08-19_1ef4967fef53a3a587bf37c71bd1d2d3_ryuk.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A91E0BDD-79B0-42C5-A3A0-5BE434329577}\TypeLib\Version = "1.0"	2024-08-19_1ef4967fef53a3a587bf37c71bd1d2d3_ryuk.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IntelCpHeciSvc.CphsSession.1\CLSID\ = "{C41B1461-3F8C-4666-B512-6DF24DE566D1}"	2024-08-19_1ef4967fef53a3a587bf37c71bd1d2d3_ryuk.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{C41B1461-3F8C-4666-B512-6DF24DE566D1}\ = "CphsSession Class"	2024-08-19_1ef4967fef53a3a587bf37c71bd1d2d3_ryuk.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{11AC3232-E7D7-49CD-ABFE-501700100B3A}\ = "IntelCpHeciSvc"	2024-08-19_1ef4967fef53a3a587bf37c71bd1d2d3_ryuk.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A91E0BDD-79B0-42C5-A3A0-5BE434329577}	2024-08-19_1ef4967fef53a3a587bf37c71bd1d2d3_ryuk.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{66DBA565-0D3D-4D8A-9391-A2A4CF16DF40}\1.0\0\win64\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2024-08-19_1ef4967fef53a3a587bf37c71bd1d2d3_ryuk.exe"	2024-08-19_1ef4967fef53a3a587bf37c71bd1d2d3_ryuk.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{66DBA565-0D3D-4D8A-9391-A2A4CF16DF40}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp"	2024-08-19_1ef4967fef53a3a587bf37c71bd1d2d3_ryuk.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\IntelCpHeciSvc.EXE	2024-08-19_1ef4967fef53a3a587bf37c71bd1d2d3_ryuk.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{C41B1461-3F8C-4666-B512-6DF24DE566D1}\Programmable	2024-08-19_1ef4967fef53a3a587bf37c71bd1d2d3_ryuk.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{66DBA565-0D3D-4D8A-9391-A2A4CF16DF40}\1.0	2024-08-19_1ef4967fef53a3a587bf37c71bd1d2d3_ryuk.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{66DBA565-0D3D-4D8A-9391-A2A4CF16DF40}\1.0\0\win64	2024-08-19_1ef4967fef53a3a587bf37c71bd1d2d3_ryuk.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A91E0BDD-79B0-42C5-A3A0-5BE434329577}	2024-08-19_1ef4967fef53a3a587bf37c71bd1d2d3_ryuk.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A91E0BDD-79B0-42C5-A3A0-5BE434329577}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	2024-08-19_1ef4967fef53a3a587bf37c71bd1d2d3_ryuk.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IntelCpHeciSvc.CphsSession.1\ = "CphsSession Class"	2024-08-19_1ef4967fef53a3a587bf37c71bd1d2d3_ryuk.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{C41B1461-3F8C-4666-B512-6DF24DE566D1}\LocalServer32	2024-08-19_1ef4967fef53a3a587bf37c71bd1d2d3_ryuk.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A91E0BDD-79B0-42C5-A3A0-5BE434329577}\ = "ICphsSession"	2024-08-19_1ef4967fef53a3a587bf37c71bd1d2d3_ryuk.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IntelCpHeciSvc.CphsSession\ = "CphsSession Class"	2024-08-19_1ef4967fef53a3a587bf37c71bd1d2d3_ryuk.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{C41B1461-3F8C-4666-B512-6DF24DE566D1}\TypeLib	2024-08-19_1ef4967fef53a3a587bf37c71bd1d2d3_ryuk.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A91E0BDD-79B0-42C5-A3A0-5BE434329577}\ProxyStubClsid32	2024-08-19_1ef4967fef53a3a587bf37c71bd1d2d3_ryuk.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A91E0BDD-79B0-42C5-A3A0-5BE434329577}\TypeLib\Version = "1.0"	2024-08-19_1ef4967fef53a3a587bf37c71bd1d2d3_ryuk.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{11AC3232-E7D7-49CD-ABFE-501700100B3A}	2024-08-19_1ef4967fef53a3a587bf37c71bd1d2d3_ryuk.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A91E0BDD-79B0-42C5-A3A0-5BE434329577}\ = "ICphsSession"	2024-08-19_1ef4967fef53a3a587bf37c71bd1d2d3_ryuk.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{C41B1461-3F8C-4666-B512-6DF24DE566D1}\VersionIndependentProgID	2024-08-19_1ef4967fef53a3a587bf37c71bd1d2d3_ryuk.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{C41B1461-3F8C-4666-B512-6DF24DE566D1}\VersionIndependentProgID\ = "IntelCpHeciSvc.CphsSession"	2024-08-19_1ef4967fef53a3a587bf37c71bd1d2d3_ryuk.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{C41B1461-3F8C-4666-B512-6DF24DE566D1}\AppID = "{11AC3232-E7D7-49CD-ABFE-501700100B3A}"	2024-08-19_1ef4967fef53a3a587bf37c71bd1d2d3_ryuk.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\IntelCpHeciSvc.EXE\AppID = "{11AC3232-E7D7-49CD-ABFE-501700100B3A}"	2024-08-19_1ef4967fef53a3a587bf37c71bd1d2d3_ryuk.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{11AC3232-E7D7-49CD-ABFE-501700100B3A}\LocalService = "cphs"	2024-08-19_1ef4967fef53a3a587bf37c71bd1d2d3_ryuk.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IntelCpHeciSvc.CphsSession.1\CLSID	2024-08-19_1ef4967fef53a3a587bf37c71bd1d2d3_ryuk.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{C41B1461-3F8C-4666-B512-6DF24DE566D1}\ProgID\ = "IntelCpHeciSvc.CphsSession.1"	2024-08-19_1ef4967fef53a3a587bf37c71bd1d2d3_ryuk.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A91E0BDD-79B0-42C5-A3A0-5BE434329577}\ProxyStubClsid32	2024-08-19_1ef4967fef53a3a587bf37c71bd1d2d3_ryuk.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A91E0BDD-79B0-42C5-A3A0-5BE434329577}\TypeLib	2024-08-19_1ef4967fef53a3a587bf37c71bd1d2d3_ryuk.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeTakeOwnershipPrivilege	4656	2024-08-19_1ef4967fef53a3a587bf37c71bd1d2d3_ryuk.exe

C:\Users\Admin\AppData\Local\Temp\2024-08-19_1ef4967fef53a3a587bf37c71bd1d2d3_ryuk.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-19_1ef4967fef53a3a587bf37c71bd1d2d3_ryuk.exe"
1⤵
- Drops file in System32 directory
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
PID:4656

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

T1546

Component Object Model Hijacking

T1546.015

Privilege Escalation

Event Triggered Execution

T1546

Component Object Model Hijacking

T1546.015

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4656-0-0x0000000000420000-0x0000000000480000-memory.dmp

Filesize
384KB

Download
memory/4656-8-0x0000000140000000-0x000000014024B000-memory.dmp

Filesize
2.3MB

Download
memory/4656-9-0x0000000000420000-0x0000000000480000-memory.dmp

Filesize
384KB

Download
memory/4656-12-0x0000000000420000-0x0000000000480000-memory.dmp

Filesize
384KB

Download
memory/4656-14-0x0000000140000000-0x000000014024B000-memory.dmp

Filesize
2.3MB

Download