81c2b5f2a62e986e81acd68ff5cce838a08be7f5feebd5c1a09ea81db8b3077a

Analysis

max time kernel
136s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20240226-es
resource tags

arch:x64arch:x86image:win10v2004-20240226-eslocale:es-esos:windows10-2004-x64systemwindows
submitted
03/04/2024, 02:50

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General

Target
Debloat-Windows-10-master/scripts/optimize-windows-update.ps1
Size 1KB
Sample240403-db43tseb49
SHA256 9c0471f84ca06dcd0b0822e56626f6e8bcf9b0452cc462482e9b39d30bfa873e
MD5 a43be4706b81313de8611a71ae7d21d4
SHA1 ceb3abd9ec4e7291d9f1918b5e67735caf1c8089
SHA512 c0b6382d56f67abd1964679f50fb91a3a05b8145fad6055c4ce09493bffc0e3b8ea9ae839e7b8c2f8cc40ded6c609dadc3e09788dcfadcfdd19fe0bd3f515a36
MD5 SHA1 SHA512

Score

8^/10

discovery exploit

Malware Config

Signatures

Possible privilege escalation attempt 4 IoCs

exploit

pid	Process
3568	icacls.exe
4816	takeown.exe
1044	icacls.exe
4712	takeown.exe

Modifies file permissions 1 TTPs 4 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
4712	takeown.exe
3568	icacls.exe
4816	takeown.exe
1044	icacls.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2452	msedge.exe
2452	msedge.exe
4920	powershell.exe
4920	powershell.exe
4920	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4920	powershell.exe
Token: SeTakeOwnershipPrivilege	4712	takeown.exe
Token: SeTakeOwnershipPrivilege	4816	takeown.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4920 wrote to memory of 4712	4920	powershell.exe	98
PID 4920 wrote to memory of 4712	4920	powershell.exe	98
PID 4920 wrote to memory of 3568	4920	powershell.exe	99
PID 4920 wrote to memory of 3568	4920	powershell.exe	99
PID 4920 wrote to memory of 4816	4920	powershell.exe	100
PID 4920 wrote to memory of 4816	4920	powershell.exe	100
PID 4920 wrote to memory of 1044	4920	powershell.exe	101
PID 4920 wrote to memory of 1044	4920	powershell.exe	101

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\Debloat-Windows-10-master\scripts\optimize-windows-update.ps1
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4920
- C:\Windows\system32\takeown.exe
  "C:\Windows\system32\takeown.exe" /F C:\Windows\System32\MusNotification.exe
  2⤵
  - Possible privilege escalation attempt
  - Modifies file permissions
  - Suspicious use of AdjustPrivilegeToken
  PID:4712
- C:\Windows\system32\icacls.exe
  "C:\Windows\system32\icacls.exe" C:\Windows\System32\MusNotification.exe /deny Everyone:(X)
  2⤵
  - Possible privilege escalation attempt
  - Modifies file permissions
  PID:3568
- C:\Windows\system32\takeown.exe
  "C:\Windows\system32\takeown.exe" /F C:\Windows\System32\MusNotificationUx.exe
  2⤵
  - Possible privilege escalation attempt
  - Modifies file permissions
  - Suspicious use of AdjustPrivilegeToken
  PID:4816
- C:\Windows\system32\icacls.exe
  "C:\Windows\system32\icacls.exe" C:\Windows\System32\MusNotificationUx.exe /deny Everyone:(X)
  2⤵
  - Possible privilege escalation attempt
  - Modifies file permissions
  PID:1044

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=5140 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.19041.546 --no-appcompat-clear --gpu-preferences=WAAAAAAAAADoAAAMAAAAAAAAAAAAAAAAAABgAAAAAAA4AAAAAAAAAAAAAABEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --mojo-platform-channel-handle=5488 --field-trial-handle=1988,i,6364296261504278587,14971789135277820488,262144 --variations-seed-version /prefetch:8
1⤵
- Suspicious behavior: EnumeratesProcesses
PID:2452

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=es --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4584 --field-trial-handle=1988,i,6364296261504278587,14971789135277820488,262144 --variations-seed-version /prefetch:8
1⤵
PID:3036

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File and Directory Permissions Modification

T1222

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

__PSScriptPolicyTest_zyoqg2g4.der.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_zyoqg2g4.der.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

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memory/4920-0-0x0000017FF3720000-0x0000017FF37A2000-memory.dmp

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memory/4920-11-0x00007FFF02200000-0x00007FFF02CC1000-memory.dmp

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memory/4920-12-0x0000017FF3580000-0x0000017FF3590000-memory.dmp

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memory/4920-13-0x0000017FF3570000-0x0000017FF3580000-memory.dmp

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memory/4920-14-0x0000017FF3580000-0x0000017FF3590000-memory.dmp

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memory/4920-8-0x0000017FF3530000-0x0000017FF3552000-memory.dmp

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memory/4920-15-0x0000017FF3580000-0x0000017FF3590000-memory.dmp

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memory/4920-16-0x0000017FF39C0000-0x0000017FF3AC2000-memory.dmp

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memory/4920-22-0x00007FFF02200000-0x00007FFF02CC1000-memory.dmp

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