0bb5cd1cd08e5c364cf4af7a12ba084588734f95a3a269c498f9c2411c25bba2

Analysis

max time kernel
36s
max time network
36s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
10/08/2024, 09:27

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General

Target

aimalware.ps1
Size

2KB
MD5

a3103ca5ec634f91d3a6b0fc35cb9679
SHA1

1d2b2579e9b18838867389817dfb9fbb32ceb4e2
SHA256

0bb5cd1cd08e5c364cf4af7a12ba084588734f95a3a269c498f9c2411c25bba2
SHA512

02d455ccbd18a4b7864c4404e6729aa34a15d5c5446b4d224fa38cc2bb21bf555f51e8c32f8fc9caed163efff254a4eae280713e7d3636969e64097a91e7ec97

Score

8^/10

discovery evasion execution persistence privilege_escalation

Malware Config

Signatures

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
3808	netsh.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\FakeMalware = "C:\\Windows\\System32\\malware.bat"	powershell.exe

Drops file in System32 directory 8 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\wbem\repository	svchost.exe
File opened for modification	C:\Windows\system32\wbem\repository\WRITABLE.TST	svchost.exe
File opened for modification	C:\Windows\system32\wbem\repository\MAPPING1.MAP	svchost.exe
File opened for modification	C:\Windows\system32\wbem\repository\MAPPING2.MAP	svchost.exe
File opened for modification	C:\Windows\system32\wbem\repository\MAPPING3.MAP	svchost.exe
File opened for modification	C:\Windows\system32\wbem\repository\OBJECTS.DATA	svchost.exe
File opened for modification	C:\Windows\system32\wbem\repository\INDEX.BTR	svchost.exe
File created	C:\Windows\System32\malware.bat	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
4600	powershell.exe

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
4740	cmd.exe
4588	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4588	PING.EXE

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
3736	schtasks.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
4600	powershell.exe
4600	powershell.exe
4600	powershell.exe
4600	powershell.exe
4600	powershell.exe
4600	powershell.exe
4600	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	4600	powershell.exe
Token: SeIncreaseQuotaPrivilege	4600	powershell.exe
Token: SeSecurityPrivilege	4600	powershell.exe
Token: SeTakeOwnershipPrivilege	4600	powershell.exe
Token: SeLoadDriverPrivilege	4600	powershell.exe
Token: SeSystemProfilePrivilege	4600	powershell.exe
Token: SeSystemtimePrivilege	4600	powershell.exe
Token: SeProfSingleProcessPrivilege	4600	powershell.exe
Token: SeIncBasePriorityPrivilege	4600	powershell.exe
Token: SeCreatePagefilePrivilege	4600	powershell.exe
Token: SeBackupPrivilege	4600	powershell.exe
Token: SeRestorePrivilege	4600	powershell.exe
Token: SeShutdownPrivilege	4600	powershell.exe
Token: SeDebugPrivilege	4600	powershell.exe
Token: SeSystemEnvironmentPrivilege	4600	powershell.exe
Token: SeRemoteShutdownPrivilege	4600	powershell.exe
Token: SeUndockPrivilege	4600	powershell.exe
Token: SeManageVolumePrivilege	4600	powershell.exe
Token: 33	4600	powershell.exe
Token: 34	4600	powershell.exe
Token: 35	4600	powershell.exe
Token: 36	4600	powershell.exe
Token: SeIncreaseQuotaPrivilege	4600	powershell.exe
Token: SeSecurityPrivilege	4600	powershell.exe
Token: SeTakeOwnershipPrivilege	4600	powershell.exe
Token: SeLoadDriverPrivilege	4600	powershell.exe
Token: SeSystemProfilePrivilege	4600	powershell.exe
Token: SeSystemtimePrivilege	4600	powershell.exe
Token: SeProfSingleProcessPrivilege	4600	powershell.exe
Token: SeIncBasePriorityPrivilege	4600	powershell.exe
Token: SeCreatePagefilePrivilege	4600	powershell.exe
Token: SeBackupPrivilege	4600	powershell.exe
Token: SeRestorePrivilege	4600	powershell.exe
Token: SeShutdownPrivilege	4600	powershell.exe
Token: SeDebugPrivilege	4600	powershell.exe
Token: SeSystemEnvironmentPrivilege	4600	powershell.exe
Token: SeRemoteShutdownPrivilege	4600	powershell.exe
Token: SeUndockPrivilege	4600	powershell.exe
Token: SeManageVolumePrivilege	4600	powershell.exe
Token: 33	4600	powershell.exe
Token: 34	4600	powershell.exe
Token: 35	4600	powershell.exe
Token: 36	4600	powershell.exe
Token: SeAssignPrimaryTokenPrivilege	2428	svchost.exe
Token: SeIncreaseQuotaPrivilege	2428	svchost.exe
Token: SeSecurityPrivilege	2428	svchost.exe
Token: SeTakeOwnershipPrivilege	2428	svchost.exe
Token: SeLoadDriverPrivilege	2428	svchost.exe
Token: SeSystemtimePrivilege	2428	svchost.exe
Token: SeBackupPrivilege	2428	svchost.exe
Token: SeRestorePrivilege	2428	svchost.exe
Token: SeShutdownPrivilege	2428	svchost.exe
Token: SeSystemEnvironmentPrivilege	2428	svchost.exe
Token: SeUndockPrivilege	2428	svchost.exe
Token: SeManageVolumePrivilege	2428	svchost.exe
Token: SeAssignPrimaryTokenPrivilege	2428	svchost.exe
Token: SeIncreaseQuotaPrivilege	2428	svchost.exe
Token: SeSecurityPrivilege	2428	svchost.exe
Token: SeTakeOwnershipPrivilege	2428	svchost.exe
Token: SeLoadDriverPrivilege	2428	svchost.exe
Token: SeSystemtimePrivilege	2428	svchost.exe
Token: SeBackupPrivilege	2428	svchost.exe
Token: SeRestorePrivilege	2428	svchost.exe
Token: SeShutdownPrivilege	2428	svchost.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4600 wrote to memory of 3808	4600	powershell.exe	86
PID 4600 wrote to memory of 3808	4600	powershell.exe	86
PID 4600 wrote to memory of 3736	4600	powershell.exe	90
PID 4600 wrote to memory of 3736	4600	powershell.exe	90
PID 4600 wrote to memory of 4740	4600	powershell.exe	91
PID 4600 wrote to memory of 4740	4600	powershell.exe	91
PID 4740 wrote to memory of 4588	4740	cmd.exe	92
PID 4740 wrote to memory of 4588	4740	cmd.exe	92

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\aimalware.ps1
1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4600
- C:\Windows\system32\netsh.exe
  "C:\Windows\system32\netsh.exe" advfirewall set allprofiles state off
  2⤵
  - Modifies Windows Firewall
  - Event Triggered Execution: Netsh Helper DLL
  PID:3808
- C:\Windows\system32\schtasks.exe
  "C:\Windows\system32\schtasks.exe" /create /tn MaliciousTask /tr C:\Windows\System32\malware.bat /sc onlogon /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:3736
- C:\Windows\system32\cmd.exe
  "C:\Windows\system32\cmd.exe" /c ping localhost -n 5 >nul & echo Injecting into process
  2⤵
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:4740
- - C:\Windows\system32\PING.EXE
    ping localhost -n 5
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:4588

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s Winmgmt
1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
PID:2428

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s UserManager
1⤵
PID:208

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

Remote System Discovery

T1018

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_w1pq3ezz.w3i.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/4600-0-0x00007FFF42D93000-0x00007FFF42D95000-memory.dmp

Filesize
8KB

Download
memory/4600-6-0x000001E0CC490000-0x000001E0CC4B2000-memory.dmp

Filesize
136KB

Download
memory/4600-11-0x00007FFF42D90000-0x00007FFF43851000-memory.dmp

Filesize
10.8MB

Download
memory/4600-12-0x00007FFF42D90000-0x00007FFF43851000-memory.dmp

Filesize
10.8MB

Download
memory/4600-14-0x00007FFF42D90000-0x00007FFF43851000-memory.dmp

Filesize
10.8MB

Download
memory/4600-15-0x00007FFF42D90000-0x00007FFF43851000-memory.dmp

Filesize
10.8MB

Download
memory/4600-16-0x00007FFF42D90000-0x00007FFF43851000-memory.dmp

Filesize
10.8MB

Download
memory/4600-17-0x00007FFF42D93000-0x00007FFF42D95000-memory.dmp

Filesize
8KB

Download
memory/4600-18-0x00007FFF42D90000-0x00007FFF43851000-memory.dmp

Filesize
10.8MB

Download