678819cf54827105a7598a3c26c53b4aa5efa568745b4e3fc3276f8e2fa66ebe

Analysis

max time kernel
149s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20260911-en
resource tags

arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
30/10/2026, 16:48

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General

Target
pingzhu-0.10.2-win-x64/install-languagebar.cmd
Size 1KB
Sample261030-vbksmazxev
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
2584	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
5012	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
5012	cmd.exe
2064	pingzhu-regtool.exe
3064	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-1-5-21-939655444-3071939294-1401108526-1000\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
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-0.10.2-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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{C2A55EB0-4391-4204-ABCF-4631BEA80A8F}\ = "PingZhu Bopomofo Text Service"	pingzhu-regtool.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2584	powershell.exe
2584	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2584	powershell.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5012 wrote to memory of 2584	5012	cmd.exe	87
PID 2584 wrote to memory of 2064	2584	powershell.exe	88
PID 5012 wrote to memory of 3064	5012	cmd.exe	90

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\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\pingzhu-0.10.2-win-x64\install-languagebar.cmd"
1⤵
- Executes a command shell one-liner
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:5012
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell.exe -NoProfile -ExecutionPolicy Bypass -Command "Start-Process -FilePath 'C:\Users\Admin\AppData\Local\Temp\pingzhu-0.10.2-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:2584
- - C:\Users\Admin\AppData\Local\Temp\pingzhu-0.10.2-win-x64\pingzhu-regtool.exe
    "C:\Users\Admin\AppData\Local\Temp\pingzhu-0.10.2-win-x64\pingzhu-regtool.exe" install
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Modifies Internet Explorer settings
    - Modifies registry class
    PID:2064
- C:\Users\Admin\AppData\Local\Temp\pingzhu-0.10.2-win-x64\pingzhu-regtool.exe
  "C:\Users\Admin\AppData\Local\Temp\pingzhu-0.10.2-win-x64\pingzhu-regtool.exe" status
  2⤵
  - System Network Configuration Discovery: Internet Connection Discovery
  PID:3064

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

Query Registry

T1012

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

__PSScriptPolicyTest_0p0fleqn.v2u.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0p0fleqn.v2u.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

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memory/2584-0-0x0000019C1B410000-0x0000019C1B420000-memory.dmp

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memory/2584-1-0x0000019C1B410000-0x0000019C1B420000-memory.dmp

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memory/2584-9-0x0000019C1B390000-0x0000019C1B3B2000-memory.dmp

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memory/2584-12-0x0000019C1D890000-0x0000019C1D9DE000-memory.dmp

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