678819cf54827105a7598a3c26c53b4aa5efa568745b4e3fc3276f8e2fa66ebe

Analysis

max time kernel
150s
max time network
144s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
30/10/2026, 15:57

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General

Target
pingzhu-0.10.3-win-x64/install-languagebar.cmd
Size 1KB
Sample261030-tecqradt7z
SHA256 678819cf54827105a7598a3c26c53b4aa5efa568745b4e3fc3276f8e2fa66ebe
MD5 0afdf153f87fef7378fa894c57f4ebb8
SHA1 803c928132e219ed56ca9ea6af5b014c94a573f1
SHA512 cbdeb8551fd04b3a35451696997c2417bf77f35b0d207903c4a156429dc508e816153d74c215e790fc8507eb2ad4a7e8b114290ef85ee15b0bfdfc3c0eb3553d
TLSH
T1E8310E17F235E231DEE10A562E3552707B1694FB271A4D1126FB8078B3821CD333A1C6
MD5 SHA1 SHA512 TLSH

Score

7^/10

adware discovery execution persistence privilege_escalation spyware

Malware Config

Signatures

Event Triggered Execution: Component Object Model Hijacking 1 TTPs
Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.
persistence privilege_escalation

Component Object Model Hijacking
T1546.015

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Start PowerShell.

execution

PowerShell

T1059.001

pid	Process
4620	powershell.exe

Executes a command shell one-liner 1 TTPs 1 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
4656	cmd.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 3 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
4656	cmd.exe
5184	pingzhu-regtool.exe
2520	pingzhu-regtool.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1404337215-1550464601-2805570857-1000\Software\Microsoft\Internet Explorer\International\AcceptLanguage = "en-US,en;q=0.8,zh-Hant-TW;q=0.5,zh-Hant;q=0.2"	pingzhu-regtool.exe

Modifies registry class 5 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{C2A55EB0-4391-4204-ABCF-4631BEA80A8F}\ = "PingZhu Bopomofo Text Service"	pingzhu-regtool.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{C2A55EB0-4391-4204-ABCF-4631BEA80A8F}\InprocServer32	pingzhu-regtool.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{C2A55EB0-4391-4204-ABCF-4631BEA80A8F}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\pingzhu-0.10.3-win-x64\\pingzhu-tsf-0.10.2.dll"	pingzhu-regtool.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{C2A55EB0-4391-4204-ABCF-4631BEA80A8F}\InprocServer32\ThreadingModel = "Apartment"	pingzhu-regtool.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{C2A55EB0-4391-4204-ABCF-4631BEA80A8F}	pingzhu-regtool.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4620	powershell.exe
4620	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4620	powershell.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4656 wrote to memory of 4620	4656	cmd.exe	91
PID 4620 wrote to memory of 5184	4620	powershell.exe	92
PID 4656 wrote to memory of 2520	4656	cmd.exe	94

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\pingzhu-0.10.3-win-x64\install-languagebar.cmd"
1⤵
- Executes a command shell one-liner
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:4656
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell.exe -NoProfile -ExecutionPolicy Bypass -Command "Start-Process -FilePath 'C:\Users\Admin\AppData\Local\Temp\pingzhu-0.10.3-win-x64\pingzhu-regtool.exe' -ArgumentList 'install' -Verb RunAs -Wait"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4620
- - C:\Users\Admin\AppData\Local\Temp\pingzhu-0.10.3-win-x64\pingzhu-regtool.exe
    "C:\Users\Admin\AppData\Local\Temp\pingzhu-0.10.3-win-x64\pingzhu-regtool.exe" install
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Modifies Internet Explorer settings
    - Modifies registry class
    PID:5184
- C:\Users\Admin\AppData\Local\Temp\pingzhu-0.10.3-win-x64\pingzhu-regtool.exe
  "C:\Users\Admin\AppData\Local\Temp\pingzhu-0.10.3-win-x64\pingzhu-regtool.exe" status
  2⤵
  - System Network Configuration Discovery: Internet Connection Discovery
  PID:2520

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k GPSvcGroup
1⤵
PID:4844

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Windows Command Shell

T1059.003

Persistence

Event Triggered Execution

T1546

Component Object Model Hijacking

T1546.015

Privilege Escalation

Event Triggered Execution

T1546

Component Object Model Hijacking

T1546.015

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4620-0-0x000001EBC35CC000-0x000001EBC35CD000-memory.dmp

Download

memory/4620-3-0x000001EBDBB10000-0x000001EBDBB32000-memory.dmp

Download

memory/4620-4-0x000001EBC2E30000-0x000001EBC37D4000-memory.dmp

Download

memory/4620-5-0x000001EBC2E30000-0x000001EBC37D4000-memory.dmp

Download

memory/4620-6-0x000001EBC2E30000-0x000001EBC37D4000-memory.dmp

Download

memory/4620-7-0x000001EBC2E30000-0x000001EBC37D4000-memory.dmp

Download

memory/4620-8-0x000001EBC2E30000-0x000001EBC37D4000-memory.dmp

Download

memory/4620-9-0x000001EBC2E30000-0x000001EBC37D4000-memory.dmp

Download

memory/4620-10-0x000001EBC2E30000-0x000001EBC37D4000-memory.dmp

Download

memory/4620-11-0x000001EBC2E30000-0x000001EBC37D4000-memory.dmp

Download

memory/4620-12-0x000001EBC2E30000-0x000001EBC37D4000-memory.dmp

Download

memory/4620-14-0x000001EBC2E30000-0x000001EBC37D4000-memory.dmp

Download

memory/4620-15-0x000001EBC2E30000-0x000001EBC37D4000-memory.dmp

Download