22cae23405ef1d6162fdbe9de167ed431e3585b748a38bda5f7ef1090c22087a

Resubmissions

22/11/2024, 17:33

241122-v4yj7a1jfk 8

20/11/2024, 13:26

241120-qpxl5axmh1 8

20/11/2024, 13:23

241120-qm63saxbkf 8

19/11/2024, 14:21

241119-rn7ldawray 8

Analysis

max time kernel
91s
max time network
95s
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, 14:21

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General

Target

UpdInstaller.exe
Size

9KB
MD5

434cc6e4cf17e1b49ffb67a067a9042c
SHA1

8776fad37bf8ddb3122692046ff6a8da100ae636
SHA256

69316c6f6cfcf32b6f5d93ac59c33bfa4e8f2d6df6191fc59e962d91b942a214
SHA512

46d73f5cbe460827ea7c8d099364f26cf6681d19f5c5ba6e68d089618cbeb2748917f71b7cdc09160a7202052d1081118031c9ae372da4548853dc10f337280b
SSDEEP

192:heQy4uqf39X8qSdeFfqWIW1PyaGL2cV+LZX:heZ4rv9Idcfq4yaGL2cVQ

Score

1^/10

Malware Config

Signatures

Checks processor information in registry 2 TTPs 7 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Platform Specific Field 1	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Revision	dw20.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	dw20.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeRestorePrivilege	3808	dw20.exe
Token: SeBackupPrivilege	3808	dw20.exe
Token: SeBackupPrivilege	3808	dw20.exe
Token: SeBackupPrivilege	3808	dw20.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3404 wrote to memory of 3808	3404	UpdInstaller.exe	80
PID 3404 wrote to memory of 3808	3404	UpdInstaller.exe	80

C:\Users\Admin\AppData\Local\Temp\UpdInstaller.exe
"C:\Users\Admin\AppData\Local\Temp\UpdInstaller.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3404
- C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe
  dw20.exe -x -s 812
  2⤵
  - Checks processor information in registry
  - Enumerates system info in registry
  - Suspicious use of AdjustPrivilegeToken
  PID:3808

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

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Downloads

memory/3404-0-0x00007FF8EBC35000-0x00007FF8EBC36000-memory.dmp

Filesize
4KB

Download
memory/3404-1-0x000000001B820000-0x000000001BCEE000-memory.dmp

Filesize
4.8MB

Download
memory/3404-2-0x00007FF8EB980000-0x00007FF8EC321000-memory.dmp

Filesize
9.6MB

Download
memory/3404-3-0x00007FF8EB980000-0x00007FF8EC321000-memory.dmp

Filesize
9.6MB

Download
memory/3404-10-0x00007FF8EB980000-0x00007FF8EC321000-memory.dmp

Filesize
9.6MB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads