Malware Analysis Report

2025-08-06 02:16

Sample ID 241112-q58z4atgkm
Target 58c7a9bcc2c097634972bb2a70d9f0648163d3058e079715372c44c8621a1eb2N.exe
SHA256 5b476a7574d83bcd132690becf2cb8f42e9f3eeb40d478a81e5343ff4c856a39
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

5b476a7574d83bcd132690becf2cb8f42e9f3eeb40d478a81e5343ff4c856a39

Threat Level: Likely malicious

The file 58c7a9bcc2c097634972bb2a70d9f0648163d3058e079715372c44c8621a1eb2N.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 13:51

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-12 13:51

Reported

2024-11-12 13:53

Platform

win7-20240903-en

Max time kernel

118s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\58c7a9bcc2c097634972bb2a70d9f0648163d3058e079715372c44c8621a1eb2N.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\cpfmqte.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File created C:\PROGRA~3\Mozilla\cpfmqte.exe C:\Users\Admin\AppData\Local\Temp\58c7a9bcc2c097634972bb2a70d9f0648163d3058e079715372c44c8621a1eb2N.exe N/A
File created C:\PROGRA~3\Mozilla\zbgopeh.dll C:\PROGRA~3\Mozilla\cpfmqte.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\58c7a9bcc2c097634972bb2a70d9f0648163d3058e079715372c44c8621a1eb2N.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\PROGRA~3\Mozilla\cpfmqte.exe N/A

Suspicious use of UnmapMainImage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\58c7a9bcc2c097634972bb2a70d9f0648163d3058e079715372c44c8621a1eb2N.exe N/A
N/A N/A C:\PROGRA~3\Mozilla\cpfmqte.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2568 wrote to memory of 1556 N/A C:\Windows\system32\taskeng.exe C:\PROGRA~3\Mozilla\cpfmqte.exe
PID 2568 wrote to memory of 1556 N/A C:\Windows\system32\taskeng.exe C:\PROGRA~3\Mozilla\cpfmqte.exe
PID 2568 wrote to memory of 1556 N/A C:\Windows\system32\taskeng.exe C:\PROGRA~3\Mozilla\cpfmqte.exe
PID 2568 wrote to memory of 1556 N/A C:\Windows\system32\taskeng.exe C:\PROGRA~3\Mozilla\cpfmqte.exe

Processes

C:\Users\Admin\AppData\Local\Temp\58c7a9bcc2c097634972bb2a70d9f0648163d3058e079715372c44c8621a1eb2N.exe

"C:\Users\Admin\AppData\Local\Temp\58c7a9bcc2c097634972bb2a70d9f0648163d3058e079715372c44c8621a1eb2N.exe"

C:\Windows\system32\taskeng.exe

taskeng.exe {51346560-8CDE-4E3F-87DA-B88D8191EF17} S-1-5-18:NT AUTHORITY\System:Service:

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

C:\PROGRA~3\Mozilla\cpfmqte.exe -lecvesj

Network

N/A

Files

memory/1620-1-0x0000000000400000-0x000000000045B000-memory.dmp

memory/1620-0-0x0000000000350000-0x00000000003AB000-memory.dmp

memory/1620-3-0x0000000000400000-0x000000000045B000-memory.dmp

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

MD5 f97cd0fe3bbc3694e68ed0cdb782136d
SHA1 89337e938715206c7ae7466dddd84d8bd2f654a2
SHA256 ffe5531e7f60f7aef405eef7812d951784531d2512552b342f9ca11c9afec79b
SHA512 116f1cbed7cd2ab721ca0ddac157e853ae62ed79ac145e12d8b7be57df05f4c79f5256abdbfcf9559edd153d0bb79437b4b0de7699a3390f6415dbd6c43e1621

memory/1556-7-0x0000000000400000-0x000000000045B000-memory.dmp

memory/1556-6-0x0000000000460000-0x00000000004BB000-memory.dmp

memory/1556-9-0x0000000000400000-0x000000000045B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-12 13:51

Reported

2024-11-12 13:53

Platform

win10v2004-20241007-en

Max time kernel

93s

Max time network

94s

Command Line

"C:\Users\Admin\AppData\Local\Temp\58c7a9bcc2c097634972bb2a70d9f0648163d3058e079715372c44c8621a1eb2N.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\nopufmb.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File created C:\PROGRA~3\Mozilla\nopufmb.exe C:\Users\Admin\AppData\Local\Temp\58c7a9bcc2c097634972bb2a70d9f0648163d3058e079715372c44c8621a1eb2N.exe N/A
File created C:\PROGRA~3\Mozilla\ohghmve.dll C:\PROGRA~3\Mozilla\nopufmb.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\58c7a9bcc2c097634972bb2a70d9f0648163d3058e079715372c44c8621a1eb2N.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\PROGRA~3\Mozilla\nopufmb.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\58c7a9bcc2c097634972bb2a70d9f0648163d3058e079715372c44c8621a1eb2N.exe

"C:\Users\Admin\AppData\Local\Temp\58c7a9bcc2c097634972bb2a70d9f0648163d3058e079715372c44c8621a1eb2N.exe"

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

C:\PROGRA~3\Mozilla\nopufmb.exe -cduwwph

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp

Files

memory/1868-0-0x0000000002090000-0x00000000020EB000-memory.dmp

memory/1868-1-0x0000000000400000-0x000000000045B000-memory.dmp

memory/4744-5-0x0000000000400000-0x000000000045B000-memory.dmp

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

MD5 f8feb025b532f41aede5cd3deda6aa71
SHA1 33598a3a25da6588d3fc7d90f312c20112d640fe
SHA256 3b8cdcc5f6394ff3851ddd737992a93e436301be112c6e74287dc3d6b9d14746
SHA512 0e110424c3dfe61df84e39eb936d404bd2144f0c2a12f6dc7cb60a943570a04d65be1d8ebe8b136c09e932e9da5cba672e9be3b81ec7273f80368098f953ffcc

memory/4744-6-0x0000000000400000-0x000000000045B000-memory.dmp

memory/1868-9-0x0000000002090000-0x00000000020EB000-memory.dmp

memory/1868-10-0x0000000000400000-0x000000000045B000-memory.dmp

memory/4744-12-0x0000000000400000-0x000000000045B000-memory.dmp