56b445c890323ee627b79ae87201ce1b49bc044626b4e6775a9f6a6ce1607bad

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
22/02/2024, 09:35

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General

Target
kacperuxz#7373 opti pack/optymalizacja windows by kacperuxz#7373/3. Windows Debloat/2. Windows Deblo.ps1
Size 1KB
Sample240222-lkbfwafg86
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
3020	takeown.exe
3000	takeown.exe
2512	icacls.exe
2116	icacls.exe

Modifies file permissions 1 TTPs 4 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
2116	icacls.exe
3000	takeown.exe
3020	takeown.exe
2512	icacls.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2956	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2956	powershell.exe
Token: SeTakeOwnershipPrivilege	3000	takeown.exe
Token: SeTakeOwnershipPrivilege	3020	takeown.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2956 wrote to memory of 3000	2956	powershell.exe	29
PID 2956 wrote to memory of 3000	2956	powershell.exe	29
PID 2956 wrote to memory of 3000	2956	powershell.exe	29
PID 2956 wrote to memory of 2512	2956	powershell.exe	31
PID 2956 wrote to memory of 2512	2956	powershell.exe	31
PID 2956 wrote to memory of 2512	2956	powershell.exe	31
PID 2956 wrote to memory of 3020	2956	powershell.exe	30
PID 2956 wrote to memory of 3020	2956	powershell.exe	30
PID 2956 wrote to memory of 3020	2956	powershell.exe	30
PID 2956 wrote to memory of 2116	2956	powershell.exe	32
PID 2956 wrote to memory of 2116	2956	powershell.exe	32
PID 2956 wrote to memory of 2116	2956	powershell.exe	32

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File "C:\Users\Admin\AppData\Local\Temp\kacperuxz#7373 opti pack\optymalizacja windows by kacperuxz#7373\3. Windows Debloat\2. Windows Deblo.ps1"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2956
- 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:3000
- 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:3020
- 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:2512
- 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:2116

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/2956-4-0x000000001B600000-0x000000001B8E2000-memory.dmp

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memory/2956-5-0x00000000020C0000-0x00000000020C8000-memory.dmp

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memory/2956-6-0x000007FEF5CC0000-0x000007FEF665D000-memory.dmp

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memory/2956-7-0x0000000002A90000-0x0000000002B10000-memory.dmp

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memory/2956-8-0x000007FEF5CC0000-0x000007FEF665D000-memory.dmp

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memory/2956-9-0x0000000002A90000-0x0000000002B10000-memory.dmp

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memory/2956-10-0x0000000002A90000-0x0000000002B10000-memory.dmp

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memory/2956-11-0x0000000002A90000-0x0000000002B10000-memory.dmp

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memory/2956-12-0x000007FEF5CC0000-0x000007FEF665D000-memory.dmp

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