a1ac56b0853bbd73af1a869bfb3e2ab4b5c961ace0e954d9ab73db6889ccec31

Analysis

max time kernel
125s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
02/10/2024, 11:34

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General

Target

2024-10-02_f87a7b36dd56a83ee193a1d9595ad3c1_ryuk.exe
Size

1.7MB
MD5

f87a7b36dd56a83ee193a1d9595ad3c1
SHA1

a2c5466cfa4c26d7f63042cb46f3406ba02beca3
SHA256

a1ac56b0853bbd73af1a869bfb3e2ab4b5c961ace0e954d9ab73db6889ccec31
SHA512

9214172cf7f717175c377fe1475c59e720a173857b19f153a3b4077013f3976a0f0a50567fb1d21343506892349406df3ea8a1141ad6445c4fa7ca601c7ba49f
SSDEEP

24576:JiBE0zqwXeAVmYysqjnhMgeiCl7G0nehbGZpbD:Fe5Xe6X2Dmg27RnWGj

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	2024-10-02_f87a7b36dd56a83ee193a1d9595ad3c1_ryuk.exe

Modifies registry class 52 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IntelCpHeciSvc.CphsSession\CLSID	2024-10-02_f87a7b36dd56a83ee193a1d9595ad3c1_ryuk.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IntelCpHeciSvc.CphsSession\CurVer\ = "IntelCpHeciSvc.CphsSession.1"	2024-10-02_f87a7b36dd56a83ee193a1d9595ad3c1_ryuk.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{C41B1461-3F8C-4666-B512-6DF24DE566D1}	2024-10-02_f87a7b36dd56a83ee193a1d9595ad3c1_ryuk.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{C41B1461-3F8C-4666-B512-6DF24DE566D1}\ProgID	2024-10-02_f87a7b36dd56a83ee193a1d9595ad3c1_ryuk.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{C41B1461-3F8C-4666-B512-6DF24DE566D1}\VersionIndependentProgID	2024-10-02_f87a7b36dd56a83ee193a1d9595ad3c1_ryuk.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{C41B1461-3F8C-4666-B512-6DF24DE566D1}\LocalServer32\ = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\2024-10-02_f87a7b36dd56a83ee193a1d9595ad3c1_ryuk.exe\""	2024-10-02_f87a7b36dd56a83ee193a1d9595ad3c1_ryuk.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{11AC3232-E7D7-49CD-ABFE-501700100B3A}\LocalService = "cphs"	2024-10-02_f87a7b36dd56a83ee193a1d9595ad3c1_ryuk.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IntelCpHeciSvc.CphsSession\ = "CphsSession Class"	2024-10-02_f87a7b36dd56a83ee193a1d9595ad3c1_ryuk.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{66DBA565-0D3D-4D8A-9391-A2A4CF16DF40}\1.0\HELPDIR	2024-10-02_f87a7b36dd56a83ee193a1d9595ad3c1_ryuk.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{C41B1461-3F8C-4666-B512-6DF24DE566D1}\TypeLib	2024-10-02_f87a7b36dd56a83ee193a1d9595ad3c1_ryuk.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{66DBA565-0D3D-4D8A-9391-A2A4CF16DF40}\1.0\FLAGS\ = "0"	2024-10-02_f87a7b36dd56a83ee193a1d9595ad3c1_ryuk.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IntelCpHeciSvc.CphsSession\CurVer	2024-10-02_f87a7b36dd56a83ee193a1d9595ad3c1_ryuk.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{C41B1461-3F8C-4666-B512-6DF24DE566D1}\TypeLib\ = "{66DBA565-0D3D-4D8A-9391-A2A4CF16DF40}"	2024-10-02_f87a7b36dd56a83ee193a1d9595ad3c1_ryuk.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{66DBA565-0D3D-4D8A-9391-A2A4CF16DF40}\1.0\FLAGS	2024-10-02_f87a7b36dd56a83ee193a1d9595ad3c1_ryuk.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A91E0BDD-79B0-42C5-A3A0-5BE434329577}\ProxyStubClsid32	2024-10-02_f87a7b36dd56a83ee193a1d9595ad3c1_ryuk.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A91E0BDD-79B0-42C5-A3A0-5BE434329577}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	2024-10-02_f87a7b36dd56a83ee193a1d9595ad3c1_ryuk.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A91E0BDD-79B0-42C5-A3A0-5BE434329577}\TypeLib	2024-10-02_f87a7b36dd56a83ee193a1d9595ad3c1_ryuk.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IntelCpHeciSvc.CphsSession.1	2024-10-02_f87a7b36dd56a83ee193a1d9595ad3c1_ryuk.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IntelCpHeciSvc.CphsSession\CLSID\ = "{C41B1461-3F8C-4666-B512-6DF24DE566D1}"	2024-10-02_f87a7b36dd56a83ee193a1d9595ad3c1_ryuk.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{C41B1461-3F8C-4666-B512-6DF24DE566D1}\ProgID\ = "IntelCpHeciSvc.CphsSession.1"	2024-10-02_f87a7b36dd56a83ee193a1d9595ad3c1_ryuk.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A91E0BDD-79B0-42C5-A3A0-5BE434329577}\TypeLib\ = "{66DBA565-0D3D-4D8A-9391-A2A4CF16DF40}"	2024-10-02_f87a7b36dd56a83ee193a1d9595ad3c1_ryuk.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{11AC3232-E7D7-49CD-ABFE-501700100B3A}	2024-10-02_f87a7b36dd56a83ee193a1d9595ad3c1_ryuk.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{C41B1461-3F8C-4666-B512-6DF24DE566D1}\ = "CphsSession Class"	2024-10-02_f87a7b36dd56a83ee193a1d9595ad3c1_ryuk.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{66DBA565-0D3D-4D8A-9391-A2A4CF16DF40}\1.0\ = "IntelCpHeciSvcLib"	2024-10-02_f87a7b36dd56a83ee193a1d9595ad3c1_ryuk.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{66DBA565-0D3D-4D8A-9391-A2A4CF16DF40}\1.0\0	2024-10-02_f87a7b36dd56a83ee193a1d9595ad3c1_ryuk.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{66DBA565-0D3D-4D8A-9391-A2A4CF16DF40}\1.0\0\win64	2024-10-02_f87a7b36dd56a83ee193a1d9595ad3c1_ryuk.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A91E0BDD-79B0-42C5-A3A0-5BE434329577}\TypeLib\Version = "1.0"	2024-10-02_f87a7b36dd56a83ee193a1d9595ad3c1_ryuk.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IntelCpHeciSvc.CphsSession.1\ = "CphsSession Class"	2024-10-02_f87a7b36dd56a83ee193a1d9595ad3c1_ryuk.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IntelCpHeciSvc.CphsSession	2024-10-02_f87a7b36dd56a83ee193a1d9595ad3c1_ryuk.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{66DBA565-0D3D-4D8A-9391-A2A4CF16DF40}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp"	2024-10-02_f87a7b36dd56a83ee193a1d9595ad3c1_ryuk.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A91E0BDD-79B0-42C5-A3A0-5BE434329577}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	2024-10-02_f87a7b36dd56a83ee193a1d9595ad3c1_ryuk.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A91E0BDD-79B0-42C5-A3A0-5BE434329577}\TypeLib\ = "{66DBA565-0D3D-4D8A-9391-A2A4CF16DF40}"	2024-10-02_f87a7b36dd56a83ee193a1d9595ad3c1_ryuk.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{11AC3232-E7D7-49CD-ABFE-501700100B3A}\ = "IntelCpHeciSvc"	2024-10-02_f87a7b36dd56a83ee193a1d9595ad3c1_ryuk.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{C41B1461-3F8C-4666-B512-6DF24DE566D1}\Programmable	2024-10-02_f87a7b36dd56a83ee193a1d9595ad3c1_ryuk.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A91E0BDD-79B0-42C5-A3A0-5BE434329577}\TypeLib\Version = "1.0"	2024-10-02_f87a7b36dd56a83ee193a1d9595ad3c1_ryuk.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A91E0BDD-79B0-42C5-A3A0-5BE434329577}	2024-10-02_f87a7b36dd56a83ee193a1d9595ad3c1_ryuk.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{C41B1461-3F8C-4666-B512-6DF24DE566D1}\AppID = "{11AC3232-E7D7-49CD-ABFE-501700100B3A}"	2024-10-02_f87a7b36dd56a83ee193a1d9595ad3c1_ryuk.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A91E0BDD-79B0-42C5-A3A0-5BE434329577}	2024-10-02_f87a7b36dd56a83ee193a1d9595ad3c1_ryuk.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IntelCpHeciSvc.CphsSession.1\CLSID	2024-10-02_f87a7b36dd56a83ee193a1d9595ad3c1_ryuk.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{C41B1461-3F8C-4666-B512-6DF24DE566D1}\VersionIndependentProgID\ = "IntelCpHeciSvc.CphsSession"	2024-10-02_f87a7b36dd56a83ee193a1d9595ad3c1_ryuk.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A91E0BDD-79B0-42C5-A3A0-5BE434329577}\ = "ICphsSession"	2024-10-02_f87a7b36dd56a83ee193a1d9595ad3c1_ryuk.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A91E0BDD-79B0-42C5-A3A0-5BE434329577}\TypeLib	2024-10-02_f87a7b36dd56a83ee193a1d9595ad3c1_ryuk.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\IntelCpHeciSvc.EXE	2024-10-02_f87a7b36dd56a83ee193a1d9595ad3c1_ryuk.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{11AC3232-E7D7-49CD-ABFE-501700100B3A}\LaunchPermission = 010014809c000000ac000000140000003000000002001c0001000000110014000400000001010000000000100010000002006c0003000000000014000b000000010100000000000100000000000018000b000000010200000000000f0200000001000000000038000b000000010a00000000000f0300000000040000ce4a9359b9cf0b7575c0f29bb2b4c298d446ddf9027a87ec14651177d6e996550102000000000005200000002002000001020000000000052000000020020000	2024-10-02_f87a7b36dd56a83ee193a1d9595ad3c1_ryuk.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{C41B1461-3F8C-4666-B512-6DF24DE566D1}\LocalServer32	2024-10-02_f87a7b36dd56a83ee193a1d9595ad3c1_ryuk.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{66DBA565-0D3D-4D8A-9391-A2A4CF16DF40}	2024-10-02_f87a7b36dd56a83ee193a1d9595ad3c1_ryuk.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{66DBA565-0D3D-4D8A-9391-A2A4CF16DF40}\1.0	2024-10-02_f87a7b36dd56a83ee193a1d9595ad3c1_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\\2024-10-02_f87a7b36dd56a83ee193a1d9595ad3c1_ryuk.exe"	2024-10-02_f87a7b36dd56a83ee193a1d9595ad3c1_ryuk.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A91E0BDD-79B0-42C5-A3A0-5BE434329577}\ProxyStubClsid32	2024-10-02_f87a7b36dd56a83ee193a1d9595ad3c1_ryuk.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A91E0BDD-79B0-42C5-A3A0-5BE434329577}\ = "ICphsSession"	2024-10-02_f87a7b36dd56a83ee193a1d9595ad3c1_ryuk.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\IntelCpHeciSvc.EXE\AppID = "{11AC3232-E7D7-49CD-ABFE-501700100B3A}"	2024-10-02_f87a7b36dd56a83ee193a1d9595ad3c1_ryuk.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IntelCpHeciSvc.CphsSession.1\CLSID\ = "{C41B1461-3F8C-4666-B512-6DF24DE566D1}"	2024-10-02_f87a7b36dd56a83ee193a1d9595ad3c1_ryuk.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeTakeOwnershipPrivilege	4980	2024-10-02_f87a7b36dd56a83ee193a1d9595ad3c1_ryuk.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-02_f87a7b36dd56a83ee193a1d9595ad3c1_ryuk.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-02_f87a7b36dd56a83ee193a1d9595ad3c1_ryuk.exe"
1⤵
- Drops file in System32 directory
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
PID:4980

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4108,i,9445584274764997943,12714240264001792460,262144 --variations-seed-version --mojo-platform-channel-handle=4020 /prefetch:8
1⤵
PID:3008

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/4980-0-0x0000000140000000-0x000000014024B000-memory.dmp

Filesize
2.3MB

Download
memory/4980-1-0x00000000007B0000-0x0000000000810000-memory.dmp

Filesize
384KB

Download
memory/4980-9-0x00000000007B0000-0x0000000000810000-memory.dmp

Filesize
384KB

Download
memory/4980-12-0x00000000007B0000-0x0000000000810000-memory.dmp

Filesize
384KB

Download
memory/4980-14-0x0000000140000000-0x000000014024B000-memory.dmp

Filesize
2.3MB

Download