81c2b5f2a62e986e81acd68ff5cce838a08be7f5feebd5c1a09ea81db8b3077a

Analysis

max time kernel
119s
max time network
121s
platform
windows7_x64
resource
win7-20231129-es
resource tags

arch:x64arch:x86image:win7-20231129-eslocale:es-esos:windows7-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
2692	icacls.exe
2704	takeown.exe
2776	takeown.exe
2560	icacls.exe

Modifies file permissions 1 TTPs 4 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
2692	icacls.exe
2704	takeown.exe
2776	takeown.exe
2560	icacls.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1816	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1816	powershell.exe
Token: SeTakeOwnershipPrivilege	2704	takeown.exe
Token: SeTakeOwnershipPrivilege	2776	takeown.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1816 wrote to memory of 2704	1816	powershell.exe	29
PID 1816 wrote to memory of 2704	1816	powershell.exe	29
PID 1816 wrote to memory of 2704	1816	powershell.exe	29
PID 1816 wrote to memory of 2692	1816	powershell.exe	30
PID 1816 wrote to memory of 2692	1816	powershell.exe	30
PID 1816 wrote to memory of 2692	1816	powershell.exe	30
PID 1816 wrote to memory of 2776	1816	powershell.exe	31
PID 1816 wrote to memory of 2776	1816	powershell.exe	31
PID 1816 wrote to memory of 2776	1816	powershell.exe	31
PID 1816 wrote to memory of 2560	1816	powershell.exe	32
PID 1816 wrote to memory of 2560	1816	powershell.exe	32
PID 1816 wrote to memory of 2560	1816	powershell.exe	32

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:1816
- 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:2704
- C:\Windows\system32\icacls.exe
  "C:\Windows\system32\icacls.exe" C:\Windows\System32\MusNotification.exe /deny Todos:(X)
  2⤵
  - Possible privilege escalation attempt
  - Modifies file permissions
  PID:2692
- 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:2776
- C:\Windows\system32\icacls.exe
  "C:\Windows\system32\icacls.exe" C:\Windows\System32\MusNotificationUx.exe /deny Todos:(X)
  2⤵
  - Possible privilege escalation attempt
  - Modifies file permissions
  PID:2560

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

memory/1816-4-0x000000001B810000-0x000000001BAF2000-memory.dmp

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memory/1816-6-0x0000000002830000-0x000000000283E000-memory.dmp

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memory/1816-8-0x0000000002B70000-0x0000000002BB6000-memory.dmp

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memory/1816-9-0x0000000002D40000-0x0000000002DC0000-memory.dmp

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memory/1816-7-0x000007FEF53A0000-0x000007FEF5D3D000-memory.dmp

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memory/1816-12-0x0000000002D40000-0x0000000002DC0000-memory.dmp

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memory/1816-11-0x0000000002850000-0x000000000285A000-memory.dmp

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memory/1816-14-0x00000000028E0000-0x00000000028E8000-memory.dmp

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memory/1816-13-0x0000000002D40000-0x0000000002DC0000-memory.dmp

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memory/1816-10-0x000007FEF53A0000-0x000007FEF5D3D000-memory.dmp

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memory/1816-5-0x0000000002240000-0x0000000002248000-memory.dmp

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memory/1816-16-0x0000000002EC0000-0x0000000002F0E000-memory.dmp

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memory/1816-15-0x0000000002D40000-0x0000000002DC0000-memory.dmp

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memory/1816-17-0x0000000002D40000-0x0000000002DC0000-memory.dmp

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memory/1816-18-0x000007FEF53A0000-0x000007FEF5D3D000-memory.dmp

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