0a49dc0d2ce725af347df632539b70afcfd22b38e285920b515143332a5511e9

Analysis

user interaction
yes
max time kernel
5s
max time network
7s
platform
windows10-2004_x64
resource
win10v2004-20260130-en
resource tags

arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
21/04/2026, 09:41

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
TCPOptimizer.exe
Size 668KB
Sample260421-ln3drscs8p
SHA256 0a49dc0d2ce725af347df632539b70afcfd22b38e285920b515143332a5511e9
MD5 d8292150c8ce862a97a923318df07805
SHA1 917f917ff9fe33e199388e5e1d4c0696882d2991
SHA512 3f23dd72d066d3f09a49c5dcf062471cfd412cf65934c25887774c1060d2efa8cb277df5ffb89272c5cb1aab6498e3e82b9d6ec9725b5b7263de60cc9198d475
SSDEEP 6144:h0eD/NMpAte8M0Ic61arFbMAIhTRlDDHbndz+vTEEIeh+b6YzICrz/KiiUy5q7:C1B8g1arhMAURdndzQTEEI7b6Yz3m5W
TLSH
T108E41911F7A0C0F3D2675635CDEA9B7D2265FD60DB21CB873288FE2F68325849A39215
MD5 SHA1 SHA512 SSDEEP TLSH

Score

6^/10

discovery execution persistence privilege_escalation

Malware Config

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
5020	PowerShell.exe

Event Triggered Execution: Netsh Helper DLL 1 TTPs 6 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 queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
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
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TCPOptimizer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4928	PowerShell.exe
4928	PowerShell.exe

Suspicious use of AdjustPrivilegeToken 22 IoCs

description	pid	Process
Token: SeDebugPrivilege	4928	PowerShell.exe
Token: SeIncreaseQuotaPrivilege	4928	PowerShell.exe
Token: SeSecurityPrivilege	4928	PowerShell.exe
Token: SeTakeOwnershipPrivilege	4928	PowerShell.exe
Token: SeLoadDriverPrivilege	4928	PowerShell.exe
Token: SeSystemProfilePrivilege	4928	PowerShell.exe
Token: SeSystemtimePrivilege	4928	PowerShell.exe
Token: SeProfSingleProcessPrivilege	4928	PowerShell.exe
Token: SeIncBasePriorityPrivilege	4928	PowerShell.exe
Token: SeCreatePagefilePrivilege	4928	PowerShell.exe
Token: SeBackupPrivilege	4928	PowerShell.exe
Token: SeRestorePrivilege	4928	PowerShell.exe
Token: SeShutdownPrivilege	4928	PowerShell.exe
Token: SeDebugPrivilege	4928	PowerShell.exe
Token: SeSystemEnvironmentPrivilege	4928	PowerShell.exe
Token: SeRemoteShutdownPrivilege	4928	PowerShell.exe
Token: SeUndockPrivilege	4928	PowerShell.exe
Token: SeManageVolumePrivilege	4928	PowerShell.exe
Token: 33	4928	PowerShell.exe
Token: 34	4928	PowerShell.exe
Token: 35	4928	PowerShell.exe
Token: 36	4928	PowerShell.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4468	TCPOptimizer.exe
4468	TCPOptimizer.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4468 wrote to memory of 2748	4468	TCPOptimizer.exe	84
PID 4468 wrote to memory of 1068	4468	TCPOptimizer.exe	86
PID 4468 wrote to memory of 4928	4468	TCPOptimizer.exe	88
PID 4468 wrote to memory of 332	4468	TCPOptimizer.exe	92

C:\Users\Admin\AppData\Local\Temp\TCPOptimizer.exe
"C:\Users\Admin\AppData\Local\Temp\TCPOptimizer.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4468
- C:\Windows\SysWOW64\netsh.exe
  netsh int tcp show supplemental
  2⤵
  - Event Triggered Execution: Netsh Helper DLL
  - System Location Discovery: System Language Discovery
  PID:2748
- C:\Windows\SYSTEM32\netsh.exe
  netsh int ip show interfaces
  2⤵
  - Event Triggered Execution: Netsh Helper DLL
  PID:1068
- C:\Windows\System32\WindowsPowerShell\v1.0\PowerShell.exe
  PowerShell.exe Get-NetAdapterLso -Name '*'
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4928
- C:\Windows\System32\WindowsPowerShell\v1.0\PowerShell.exe
  PowerShell.exe Get-NetAdapterChecksumOffload '*'
  2⤵
  PID:332
- C:\Windows\System32\WindowsPowerShell\v1.0\PowerShell.exe
  PowerShell.exe Get-NetTCPSetting -SettingName internet
  2⤵
  - Command and Scripting Interpreter: PowerShell
  PID:5020

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

PowerShell.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\PowerShell.exe.log
Size 3KB
SHA256 70c3ecbaa6df88e88df4efc70968502955e890a2248269641c4e2d4668ef61bf
MD5 661739d384d9dfd807a089721202900b
SHA1 5b2c5d6a7122b4ce849dc98e79a7713038feac55
SHA512 81b48ae5c4064c4d9597303d913e32d3954954ba1c8123731d503d1653a0d848856812d2ee6951efe06b1db2b91a50e5d54098f60c26f36bc8390203f4c8a2d8
TLSH
T1DC51FE323375F0D4C8567F07293819D463BF4386EA94AF58B258621ED93641B8F222F3
MD5 SHA1 SHA512 TLSH

Submit Download

StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 1KB
SHA256 ae970ad2aba5ba317588a36bcc379278ae197c7e9cccdf8426fb38ed198d8dd0
MD5 a79043e621a6f4b8443657444bd7c982
SHA1 a35168c9efcb8154f002ef38a64573e0248ab5de
SHA512 809dd9c4f7b5074f5867045a7394ff00c1abc3510057cc3bedc13a49bf29369e5f8f8a9d0df50d14eec633698f81238c965575d31274c411e1f554f5daa7e1db
TLSH
T169217823B39D8820CCD5153A208D9C5072A682C781DFCF9F2FC0C211917FAC8CB21190
MD5 SHA1 SHA512 TLSH

Submit Download

StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 1KB
SHA256 01a51dec35e793b89c2d28c8b619375b11edd8174caaae36398739de4afa1064
MD5 e83839bf9c77bfff37b37bb0991a667c
SHA1 2b655d52327bcf87672adba66eaf446e1a981568
SHA512 d3982d780afebdbd2585f77d64a33caaa2f937470355e1b26fdbd1bb41dd733225cec430b8c55cdf689bf0b339f936d31e7f6b8d031d3d88268b647e6e9df575
TLSH
T1E0217823B3DD8460CCD5163A108D9C5072A792CB81DECFDB2AC0C21191BFAC8CB21190
MD5 SHA1 SHA512 TLSH

Submit Download

__PSScriptPolicyTest_fkl2gcak.wsp.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_fkl2gcak.wsp.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

Submit Download

memory/332-25-0x000002D7DF4D0000-0x000002D7DF4D8000-memory.dmp

Download

memory/332-24-0x000002D7DF420000-0x000002D7DF475000-memory.dmp

Download

memory/2748-0-0x0000000004CB0000-0x0000000004D0F000-memory.dmp

Download

memory/4928-2-0x000001B81D440000-0x000001B81D462000-memory.dmp

Download

memory/4928-12-0x000001B803470000-0x000001B8034C5000-memory.dmp

Download

memory/4928-13-0x000001B805010000-0x000001B805018000-memory.dmp

Download