601a5853fbe96c1d11fec29a95dc9efcef2f457a8915e183c789f71848786bfc

Resubmissions

19/11/2024, 15:13

241119-slznesybpk 3

19/11/2024, 15:10

241119-ska9faxelg 3

19/11/2024, 15:07

241119-shdxjsxeke 3

Analysis

max time kernel
147s
max time network
154s
platform
windows11-21h2_x64
resource
win11-20241007-en
resource tags

arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
submitted
19/11/2024, 15:13

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Report Analysis Logs

General

Target

Yeis 1.5/Yeis.exe
Size

2.2MB
MD5

33cbdfc88d99e1d20de14933660f2449
SHA1

35827624d55eccdd0f9f09b8fe503518090362f9
SHA256

7c1530177dbeafbef2434fcd6360215b4bef416c197ca951f220d5d0f713647f
SHA512

348f1f9d23d5a1d2a82b6fa40780e927a3c98541f2d39cfb2cf39d3c63dbf82cdb3ac9b33a290f06daed9a9d1a298bd8fa66ee85c13c643cb185a4590894725b
SSDEEP

49152:7iU1k14aizzUhMkqMWvlLls5sH3+FDnEHFmkwbvf9b4:OUqVfiK5sHug6fS

Score

1^/10

Malware Config

Signatures

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	Yeis.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	Yeis.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemVersion	Yeis.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4018527317-446799424-2810249686-1000_Classes\Local Settings\MuiCache	MiniSearchHost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2176	Yeis.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2436	MiniSearchHost.exe

C:\Users\Admin\AppData\Local\Temp\Yeis 1.5\Yeis.exe
"C:\Users\Admin\AppData\Local\Temp\Yeis 1.5\Yeis.exe"
1⤵
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
PID:2176

C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe
"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe" -ServerName:MiniSearchUI.AppXj3y73at8fy1htwztzxs68sxx1v7cksp7.mca
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:2436

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Packages\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\TempState\SearchHoverUnifiedTileModelCache.dat

Filesize
10KB

MD5
b7443e89f0cb29d51ee6a257750e54d2

SHA1
84127eebf275e781d5276af6fc4d09c5a6bfb7b9

SHA256
8226877d6ab2e4834aea6bc71bd9865b28d0bd1ec2e8b4c23b8acf0301c56f26

SHA512
446cfe25d82f3bbf7badd324cae691ad62e13bd7469e415f47b9141bddf30679219c672937f4f6768796c2936c3b9c557fabbda1fb51c5edbb7c1964bffa17be

Download Submit
C:\Users\Admin\AppData\Local\Packages\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\TempState\SearchHoverUnifiedTileModelCache.dat

Filesize
10KB

MD5
2dfa537d7e7d11c7781652cf2ed49a6f

SHA1
f6b77ccf66633ed19c707364e90b7b9be2e517c3

SHA256
09efc6acacca137ee3d416e4f8f25820fde2508012a5d1be643044f05e1d294b

SHA512
ddeb30d036d0e096393b90b9db04901525a68c08e0de7faebb921461f4b60c56f34fe5e1677f5328f64456a0e1de8b84b2c180ddea97daa29992140099d8672d

Download Submit
memory/2176-8-0x0000017B474A0000-0x0000017B47552000-memory.dmp

Filesize
712KB

Download
memory/2176-9-0x0000017B47420000-0x0000017B47442000-memory.dmp

Filesize
136KB

Download
memory/2176-4-0x00007FFDD1B50000-0x00007FFDD2612000-memory.dmp

Filesize
10.8MB

Download
memory/2176-5-0x0000017B42BB0000-0x0000017B42DC4000-memory.dmp

Filesize
2.1MB

Download
memory/2176-6-0x00007FFDD1B50000-0x00007FFDD2612000-memory.dmp

Filesize
10.8MB

Download
memory/2176-7-0x00007FFDD1B50000-0x00007FFDD2612000-memory.dmp

Filesize
10.8MB

Download
memory/2176-0-0x00007FFDD1B53000-0x00007FFDD1B55000-memory.dmp

Filesize
8KB

Download
memory/2176-3-0x0000017B283E0000-0x0000017B283F2000-memory.dmp

Filesize
72KB

Download
memory/2176-11-0x0000017B47450000-0x0000017B4748C000-memory.dmp

Filesize
240KB

Download
memory/2176-13-0x00007FFDD1B50000-0x00007FFDD2612000-memory.dmp

Filesize
10.8MB

Download
memory/2176-14-0x00007FFDD1B53000-0x00007FFDD1B55000-memory.dmp

Filesize
8KB

Download
memory/2176-15-0x00007FFDD1B50000-0x00007FFDD2612000-memory.dmp

Filesize
10.8MB

Download
memory/2176-2-0x0000017B42580000-0x0000017B42790000-memory.dmp

Filesize
2.1MB

Download
memory/2176-1-0x0000017B27D40000-0x0000017B27F78000-memory.dmp

Filesize
2.2MB

Download