ba97205fc5bb87192627febe5ecf9860c0608ceee1c5c74df370a65ba76a0c3e

Analysis

max time kernel
94s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
04/10/2024, 16:36

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General

Target

2024-10-04_a4299041bef9f44c2d955a0626a0a716_ryuk.exe
Size

1.6MB
MD5

a4299041bef9f44c2d955a0626a0a716
SHA1

2b3ce458871ed504bce8190052ca9b60fdb6940a
SHA256

ba97205fc5bb87192627febe5ecf9860c0608ceee1c5c74df370a65ba76a0c3e
SHA512

75805f24c708afdc309c19dda3bac941b0380afc20c09809bc4c87aad2e6ac32178d5f47c6fa7a8cff0af03f3a2ad0affb733f19da54ceea2032870da90b6933
SSDEEP

24576:a3oH6RhNF4Xx7AMsqjnhMgeiCl7G0nehbGZpbD:UoH0FEBA4Dmg27RnWGj

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

Executes dropped EXE 1 IoCs

pid	Process
3240	alg.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\alg.exe	2024-10-04_a4299041bef9f44c2d955a0626a0a716_ryuk.exe

Modifies registry class 52 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IntelCpHeciSvc.CphsSession\CurVer	2024-10-04_a4299041bef9f44c2d955a0626a0a716_ryuk.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{C41B1461-3F8C-4666-B512-6DF24DE566D1}\ = "CphsSession Class"	2024-10-04_a4299041bef9f44c2d955a0626a0a716_ryuk.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{66DBA565-0D3D-4D8A-9391-A2A4CF16DF40}\1.0\HELPDIR	2024-10-04_a4299041bef9f44c2d955a0626a0a716_ryuk.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IntelCpHeciSvc.CphsSession.1	2024-10-04_a4299041bef9f44c2d955a0626a0a716_ryuk.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\IntelCpHeciSvc.EXE\AppID = "{11AC3232-E7D7-49CD-ABFE-501700100B3A}"	2024-10-04_a4299041bef9f44c2d955a0626a0a716_ryuk.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IntelCpHeciSvc.CphsSession\ = "CphsSession Class"	2024-10-04_a4299041bef9f44c2d955a0626a0a716_ryuk.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{66DBA565-0D3D-4D8A-9391-A2A4CF16DF40}\1.0\ = "IntelCpHeciSvcLib"	2024-10-04_a4299041bef9f44c2d955a0626a0a716_ryuk.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{66DBA565-0D3D-4D8A-9391-A2A4CF16DF40}\1.0\0	2024-10-04_a4299041bef9f44c2d955a0626a0a716_ryuk.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A91E0BDD-79B0-42C5-A3A0-5BE434329577}\TypeLib\Version = "1.0"	2024-10-04_a4299041bef9f44c2d955a0626a0a716_ryuk.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{11AC3232-E7D7-49CD-ABFE-501700100B3A}	2024-10-04_a4299041bef9f44c2d955a0626a0a716_ryuk.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IntelCpHeciSvc.CphsSession\CLSID	2024-10-04_a4299041bef9f44c2d955a0626a0a716_ryuk.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IntelCpHeciSvc.CphsSession\CurVer\ = "IntelCpHeciSvc.CphsSession.1"	2024-10-04_a4299041bef9f44c2d955a0626a0a716_ryuk.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{C41B1461-3F8C-4666-B512-6DF24DE566D1}\TypeLib\ = "{66DBA565-0D3D-4D8A-9391-A2A4CF16DF40}"	2024-10-04_a4299041bef9f44c2d955a0626a0a716_ryuk.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{66DBA565-0D3D-4D8A-9391-A2A4CF16DF40}	2024-10-04_a4299041bef9f44c2d955a0626a0a716_ryuk.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A91E0BDD-79B0-42C5-A3A0-5BE434329577}\TypeLib\ = "{66DBA565-0D3D-4D8A-9391-A2A4CF16DF40}"	2024-10-04_a4299041bef9f44c2d955a0626a0a716_ryuk.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IntelCpHeciSvc.CphsSession.1\ = "CphsSession Class"	2024-10-04_a4299041bef9f44c2d955a0626a0a716_ryuk.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IntelCpHeciSvc.CphsSession	2024-10-04_a4299041bef9f44c2d955a0626a0a716_ryuk.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IntelCpHeciSvc.CphsSession\CLSID\ = "{C41B1461-3F8C-4666-B512-6DF24DE566D1}"	2024-10-04_a4299041bef9f44c2d955a0626a0a716_ryuk.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{C41B1461-3F8C-4666-B512-6DF24DE566D1}\ProgID	2024-10-04_a4299041bef9f44c2d955a0626a0a716_ryuk.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{C41B1461-3F8C-4666-B512-6DF24DE566D1}\VersionIndependentProgID	2024-10-04_a4299041bef9f44c2d955a0626a0a716_ryuk.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{66DBA565-0D3D-4D8A-9391-A2A4CF16DF40}\1.0\FLAGS\ = "0"	2024-10-04_a4299041bef9f44c2d955a0626a0a716_ryuk.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A91E0BDD-79B0-42C5-A3A0-5BE434329577}	2024-10-04_a4299041bef9f44c2d955a0626a0a716_ryuk.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A91E0BDD-79B0-42C5-A3A0-5BE434329577}\TypeLib	2024-10-04_a4299041bef9f44c2d955a0626a0a716_ryuk.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{11AC3232-E7D7-49CD-ABFE-501700100B3A}\ = "IntelCpHeciSvc"	2024-10-04_a4299041bef9f44c2d955a0626a0a716_ryuk.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A91E0BDD-79B0-42C5-A3A0-5BE434329577}\ = "ICphsSession"	2024-10-04_a4299041bef9f44c2d955a0626a0a716_ryuk.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A91E0BDD-79B0-42C5-A3A0-5BE434329577}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	2024-10-04_a4299041bef9f44c2d955a0626a0a716_ryuk.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A91E0BDD-79B0-42C5-A3A0-5BE434329577}\TypeLib\Version = "1.0"	2024-10-04_a4299041bef9f44c2d955a0626a0a716_ryuk.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{11AC3232-E7D7-49CD-ABFE-501700100B3A}\LocalService = "cphs"	2024-10-04_a4299041bef9f44c2d955a0626a0a716_ryuk.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{C41B1461-3F8C-4666-B512-6DF24DE566D1}	2024-10-04_a4299041bef9f44c2d955a0626a0a716_ryuk.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{C41B1461-3F8C-4666-B512-6DF24DE566D1}\Programmable	2024-10-04_a4299041bef9f44c2d955a0626a0a716_ryuk.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{C41B1461-3F8C-4666-B512-6DF24DE566D1}\LocalServer32\ = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\2024-10-04_a4299041bef9f44c2d955a0626a0a716_ryuk.exe\""	2024-10-04_a4299041bef9f44c2d955a0626a0a716_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\\2024-10-04_a4299041bef9f44c2d955a0626a0a716_ryuk.exe"	2024-10-04_a4299041bef9f44c2d955a0626a0a716_ryuk.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A91E0BDD-79B0-42C5-A3A0-5BE434329577}\ProxyStubClsid32	2024-10-04_a4299041bef9f44c2d955a0626a0a716_ryuk.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\IntelCpHeciSvc.EXE	2024-10-04_a4299041bef9f44c2d955a0626a0a716_ryuk.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{C41B1461-3F8C-4666-B512-6DF24DE566D1}\VersionIndependentProgID\ = "IntelCpHeciSvc.CphsSession"	2024-10-04_a4299041bef9f44c2d955a0626a0a716_ryuk.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{C41B1461-3F8C-4666-B512-6DF24DE566D1}\AppID = "{11AC3232-E7D7-49CD-ABFE-501700100B3A}"	2024-10-04_a4299041bef9f44c2d955a0626a0a716_ryuk.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{66DBA565-0D3D-4D8A-9391-A2A4CF16DF40}\1.0	2024-10-04_a4299041bef9f44c2d955a0626a0a716_ryuk.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IntelCpHeciSvc.CphsSession.1\CLSID\ = "{C41B1461-3F8C-4666-B512-6DF24DE566D1}"	2024-10-04_a4299041bef9f44c2d955a0626a0a716_ryuk.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IntelCpHeciSvc.CphsSession.1\CLSID	2024-10-04_a4299041bef9f44c2d955a0626a0a716_ryuk.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{C41B1461-3F8C-4666-B512-6DF24DE566D1}\ProgID\ = "IntelCpHeciSvc.CphsSession.1"	2024-10-04_a4299041bef9f44c2d955a0626a0a716_ryuk.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{C41B1461-3F8C-4666-B512-6DF24DE566D1}\LocalServer32	2024-10-04_a4299041bef9f44c2d955a0626a0a716_ryuk.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{C41B1461-3F8C-4666-B512-6DF24DE566D1}\TypeLib	2024-10-04_a4299041bef9f44c2d955a0626a0a716_ryuk.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{66DBA565-0D3D-4D8A-9391-A2A4CF16DF40}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp"	2024-10-04_a4299041bef9f44c2d955a0626a0a716_ryuk.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A91E0BDD-79B0-42C5-A3A0-5BE434329577}\ = "ICphsSession"	2024-10-04_a4299041bef9f44c2d955a0626a0a716_ryuk.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A91E0BDD-79B0-42C5-A3A0-5BE434329577}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	2024-10-04_a4299041bef9f44c2d955a0626a0a716_ryuk.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{11AC3232-E7D7-49CD-ABFE-501700100B3A}\LaunchPermission = 010014809c000000ac000000140000003000000002001c0001000000110014000400000001010000000000100010000002006c0003000000000014000b000000010100000000000100000000000018000b000000010200000000000f0200000001000000000038000b000000010a00000000000f0300000000040000ce4a9359b9cf0b7575c0f29bb2b4c298d446ddf9027a87ec14651177d6e996550102000000000005200000002002000001020000000000052000000020020000	2024-10-04_a4299041bef9f44c2d955a0626a0a716_ryuk.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A91E0BDD-79B0-42C5-A3A0-5BE434329577}\TypeLib\ = "{66DBA565-0D3D-4D8A-9391-A2A4CF16DF40}"	2024-10-04_a4299041bef9f44c2d955a0626a0a716_ryuk.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A91E0BDD-79B0-42C5-A3A0-5BE434329577}	2024-10-04_a4299041bef9f44c2d955a0626a0a716_ryuk.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{66DBA565-0D3D-4D8A-9391-A2A4CF16DF40}\1.0\0\win64	2024-10-04_a4299041bef9f44c2d955a0626a0a716_ryuk.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A91E0BDD-79B0-42C5-A3A0-5BE434329577}\ProxyStubClsid32	2024-10-04_a4299041bef9f44c2d955a0626a0a716_ryuk.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A91E0BDD-79B0-42C5-A3A0-5BE434329577}\TypeLib	2024-10-04_a4299041bef9f44c2d955a0626a0a716_ryuk.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{66DBA565-0D3D-4D8A-9391-A2A4CF16DF40}\1.0\FLAGS	2024-10-04_a4299041bef9f44c2d955a0626a0a716_ryuk.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeTakeOwnershipPrivilege	1624	2024-10-04_a4299041bef9f44c2d955a0626a0a716_ryuk.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-04_a4299041bef9f44c2d955a0626a0a716_ryuk.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-04_a4299041bef9f44c2d955a0626a0a716_ryuk.exe"
1⤵
- Drops file in System32 directory
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
PID:1624

C:\Windows\System32\alg.exe
C:\Windows\System32\alg.exe
1⤵
- Executes dropped EXE
PID:3240

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

C:\Windows\System32\alg.exe

Filesize
1.3MB

MD5
a79ff7dc19fa3861958f6cd1d165c089

SHA1
ec34b200623a6c178bc124d8a6bbd30d541bb97a

SHA256
06ade41e71f8a4cd1dbd0971443dc1d5c8f945515d738048d3347d91debaa2e8

SHA512
f189c4178f6f13bebbff1577bc51cfb800945583b2f5f344b61f4b8f6507770626577485066163e4211957fa22c70b56492805a1304268942f965603b6ab73ca

Download Submit
memory/1624-0-0x0000000000440000-0x00000000004A0000-memory.dmp

Filesize
384KB

Download
memory/1624-9-0x0000000000440000-0x00000000004A0000-memory.dmp

Filesize
384KB

Download
memory/1624-8-0x0000000140000000-0x0000000140248000-memory.dmp

Filesize
2.3MB

Download
memory/1624-14-0x0000000140000000-0x0000000140248000-memory.dmp

Filesize
2.3MB

Download
memory/1624-12-0x0000000000440000-0x00000000004A0000-memory.dmp

Filesize
384KB

Download
memory/3240-16-0x0000000140000000-0x00000001401E9000-memory.dmp

Filesize
1.9MB

Download
memory/3240-17-0x0000000140000000-0x00000001401E9000-memory.dmp

Filesize
1.9MB

Download