Malware Analysis Report

2025-08-11 08:18

Sample ID 241112-nzn2masbnq
Target 9d2d9bdd5617c93901e2bda6bcb656a7bb1624fe73b13801406bb3c1d192ec68.exe
SHA256 9d2d9bdd5617c93901e2bda6bcb656a7bb1624fe73b13801406bb3c1d192ec68
Tags
discovery persistence privilege_escalation
score
8/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
8/10

SHA256

9d2d9bdd5617c93901e2bda6bcb656a7bb1624fe73b13801406bb3c1d192ec68

Threat Level: Likely malicious

The file 9d2d9bdd5617c93901e2bda6bcb656a7bb1624fe73b13801406bb3c1d192ec68.exe was found to be: Likely malicious.

Malicious Activity Summary

discovery persistence privilege_escalation

Event Triggered Execution: AppInit DLLs

Executes dropped EXE

Drops file in Program Files directory

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of UnmapMainImage

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-12 11:50

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-12 11:50

Reported

2024-11-12 11:52

Platform

win7-20240903-en

Max time kernel

118s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9d2d9bdd5617c93901e2bda6bcb656a7bb1624fe73b13801406bb3c1d192ec68.exe"

Signatures

Event Triggered Execution: AppInit DLLs

persistence privilege_escalation

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\PROGRA~3\Mozilla\vuhvodg.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File created C:\PROGRA~3\Mozilla\vuhvodg.exe C:\Users\Admin\AppData\Local\Temp\9d2d9bdd5617c93901e2bda6bcb656a7bb1624fe73b13801406bb3c1d192ec68.exe N/A
File created C:\PROGRA~3\Mozilla\zcwirze.dll C:\PROGRA~3\Mozilla\vuhvodg.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\9d2d9bdd5617c93901e2bda6bcb656a7bb1624fe73b13801406bb3c1d192ec68.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\PROGRA~3\Mozilla\vuhvodg.exe N/A

Suspicious use of UnmapMainImage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\9d2d9bdd5617c93901e2bda6bcb656a7bb1624fe73b13801406bb3c1d192ec68.exe N/A
N/A N/A C:\PROGRA~3\Mozilla\vuhvodg.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2520 wrote to memory of 1856 N/A C:\Windows\system32\taskeng.exe C:\PROGRA~3\Mozilla\vuhvodg.exe
PID 2520 wrote to memory of 1856 N/A C:\Windows\system32\taskeng.exe C:\PROGRA~3\Mozilla\vuhvodg.exe
PID 2520 wrote to memory of 1856 N/A C:\Windows\system32\taskeng.exe C:\PROGRA~3\Mozilla\vuhvodg.exe
PID 2520 wrote to memory of 1856 N/A C:\Windows\system32\taskeng.exe C:\PROGRA~3\Mozilla\vuhvodg.exe

Processes

C:\Users\Admin\AppData\Local\Temp\9d2d9bdd5617c93901e2bda6bcb656a7bb1624fe73b13801406bb3c1d192ec68.exe

"C:\Users\Admin\AppData\Local\Temp\9d2d9bdd5617c93901e2bda6bcb656a7bb1624fe73b13801406bb3c1d192ec68.exe"

C:\Windows\system32\taskeng.exe

taskeng.exe {6598E0A7-15C8-4C2B-9C91-978C5F927925} S-1-5-18:NT AUTHORITY\System:Service:

C:\PROGRA~3\Mozilla\vuhvodg.exe

C:\PROGRA~3\Mozilla\vuhvodg.exe -nwlnhvb

Network

N/A

Files

memory/2112-0-0x0000000000400000-0x0000000000469000-memory.dmp

memory/2112-1-0x00000000004A0000-0x00000000004FC000-memory.dmp

memory/2112-2-0x0000000000400000-0x000000000045B000-memory.dmp

memory/2112-4-0x0000000000400000-0x000000000045B000-memory.dmp

C:\PROGRA~3\Mozilla\vuhvodg.exe

MD5 58ccec943f6d8c003be897597eb7df51
SHA1 99221e711ccab726b233d4706ab00550ac468a6c
SHA256 e7d759e246805d9fe47a4adafb7fe12e37593b7c570362b5f4bfe846c7b4286a
SHA512 9a3920a64550558dbfeac43472afdf38bd996fff1d2970007a446fc13229e1715d1a7c8c2775f45e5915fca6b4aaff0c9a6be57c8f96862763f09024f1d556a7

memory/1856-7-0x0000000000400000-0x0000000000469000-memory.dmp

memory/1856-8-0x0000000000400000-0x000000000045B000-memory.dmp

memory/1856-10-0x0000000000400000-0x000000000045B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-12 11:50

Reported

2024-11-12 11:52

Platform

win10v2004-20241007-en

Max time kernel

150s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9d2d9bdd5617c93901e2bda6bcb656a7bb1624fe73b13801406bb3c1d192ec68.exe"

Signatures

Event Triggered Execution: AppInit DLLs

persistence privilege_escalation

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\PROGRA~3\Mozilla\nzlncpi.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File created C:\PROGRA~3\Mozilla\nzlncpi.exe C:\Users\Admin\AppData\Local\Temp\9d2d9bdd5617c93901e2bda6bcb656a7bb1624fe73b13801406bb3c1d192ec68.exe N/A
File created C:\PROGRA~3\Mozilla\tozvehh.dll C:\PROGRA~3\Mozilla\nzlncpi.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\9d2d9bdd5617c93901e2bda6bcb656a7bb1624fe73b13801406bb3c1d192ec68.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\PROGRA~3\Mozilla\nzlncpi.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\9d2d9bdd5617c93901e2bda6bcb656a7bb1624fe73b13801406bb3c1d192ec68.exe

"C:\Users\Admin\AppData\Local\Temp\9d2d9bdd5617c93901e2bda6bcb656a7bb1624fe73b13801406bb3c1d192ec68.exe"

C:\PROGRA~3\Mozilla\nzlncpi.exe

C:\PROGRA~3\Mozilla\nzlncpi.exe -juyvuof

Network

Country Destination Domain Proto
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 101.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 71.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 udp

Files

memory/1992-0-0x0000000000400000-0x0000000000469000-memory.dmp

memory/1992-1-0x0000000000640000-0x000000000069C000-memory.dmp

memory/1992-2-0x0000000000400000-0x000000000045B000-memory.dmp

memory/1992-4-0x0000000000400000-0x000000000045B000-memory.dmp

memory/1992-6-0x0000000000640000-0x000000000069C000-memory.dmp

C:\ProgramData\Mozilla\nzlncpi.exe

MD5 5e9a497ab161bd6a8c8c7402b983aca6
SHA1 b146caf623922d3c360548235e5b885cced47722
SHA256 90ccba34b045c7f9ec0aedb7bbeb42b2eceed5f93d5ab34160c97740a38857a5
SHA512 d3a7f04e629038b0b9eb3455727197c79db5ee3da52f103dc9df17ac5a10af0b7b5a757406bbbe45611f8fff369cdce481bbdced3735dd599da21fc2ec5912c0

memory/4532-9-0x0000000000400000-0x0000000000469000-memory.dmp

memory/4532-10-0x0000000000400000-0x0000000000469000-memory.dmp

memory/4532-12-0x0000000000400000-0x000000000045B000-memory.dmp