Malware Analysis Report

2025-05-28 18:10

Sample ID 241109-zv288ssdkh
Target 322ce9f97a0d7f86d2e703b33ba9fac7ccfd80af8de2f23de0cb72750411dd6b
SHA256 322ce9f97a0d7f86d2e703b33ba9fac7ccfd80af8de2f23de0cb72750411dd6b
Tags
discovery persistence
score
7/10

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
7/10

SHA256

322ce9f97a0d7f86d2e703b33ba9fac7ccfd80af8de2f23de0cb72750411dd6b

Threat Level: Shows suspicious behavior

The file 322ce9f97a0d7f86d2e703b33ba9fac7ccfd80af8de2f23de0cb72750411dd6b was found to be: Shows suspicious behavior.

Malicious Activity Summary

discovery persistence

Deletes itself

Executes dropped EXE

Adds Run key to start application

Drops file in Windows directory

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-09 21:03

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-09 21:03

Reported

2024-11-09 21:05

Platform

win7-20241023-en

Max time kernel

149s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\322ce9f97a0d7f86d2e703b33ba9fac7ccfd80af8de2f23de0cb72750411dd6b.exe"

Signatures

Deletes itself

Description Indicator Process Target
N/A N/A C:\Windows\microsofthelp.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Windows\microsofthelp.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" C:\Users\Admin\AppData\Local\Temp\322ce9f97a0d7f86d2e703b33ba9fac7ccfd80af8de2f23de0cb72750411dd6b.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\microsofthelp.exe C:\Users\Admin\AppData\Local\Temp\322ce9f97a0d7f86d2e703b33ba9fac7ccfd80af8de2f23de0cb72750411dd6b.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\322ce9f97a0d7f86d2e703b33ba9fac7ccfd80af8de2f23de0cb72750411dd6b.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\322ce9f97a0d7f86d2e703b33ba9fac7ccfd80af8de2f23de0cb72750411dd6b.exe

"C:\Users\Admin\AppData\Local\Temp\322ce9f97a0d7f86d2e703b33ba9fac7ccfd80af8de2f23de0cb72750411dd6b.exe"

C:\Windows\microsofthelp.exe

"C:\Windows\microsofthelp.exe"

Network

N/A

Files

memory/1968-0-0x0000000000400000-0x0000000000403000-memory.dmp

C:\Windows\microsofthelp.exe

MD5 745857e99f0a084026e1b89485c9272a
SHA1 e0765a547050ad646863eb6204ce59de129292e9
SHA256 3ad03ac4d57b316168e089ff507a210ed433ae0c6e6aef7ff3960782ed872d54
SHA512 6c155c7b8c3414d4cc9d1abe714248afeb9bde60c609b1961238b49c6aa929a80f5baa0d80e89ec21051c161a48ae7d3462bfa6630af98dd3346f0d808d5bf39

memory/1968-6-0x0000000000400000-0x0000000000403000-memory.dmp

memory/1304-9-0x0000000000400000-0x0000000000403000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-09 21:03

Reported

2024-11-09 21:05

Platform

win10v2004-20241007-en

Max time kernel

149s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\322ce9f97a0d7f86d2e703b33ba9fac7ccfd80af8de2f23de0cb72750411dd6b.exe"

Signatures

Deletes itself

Description Indicator Process Target
N/A N/A C:\Windows\microsofthelp.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Windows\microsofthelp.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" C:\Users\Admin\AppData\Local\Temp\322ce9f97a0d7f86d2e703b33ba9fac7ccfd80af8de2f23de0cb72750411dd6b.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\microsofthelp.exe C:\Users\Admin\AppData\Local\Temp\322ce9f97a0d7f86d2e703b33ba9fac7ccfd80af8de2f23de0cb72750411dd6b.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\322ce9f97a0d7f86d2e703b33ba9fac7ccfd80af8de2f23de0cb72750411dd6b.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\microsofthelp.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\322ce9f97a0d7f86d2e703b33ba9fac7ccfd80af8de2f23de0cb72750411dd6b.exe

"C:\Users\Admin\AppData\Local\Temp\322ce9f97a0d7f86d2e703b33ba9fac7ccfd80af8de2f23de0cb72750411dd6b.exe"

C:\Windows\microsofthelp.exe

"C:\Windows\microsofthelp.exe"

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 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.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 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 105.209.201.84.in-addr.arpa udp

Files

memory/4656-0-0x0000000000400000-0x0000000000403000-memory.dmp

C:\Windows\microsofthelp.exe

MD5 745857e99f0a084026e1b89485c9272a
SHA1 e0765a547050ad646863eb6204ce59de129292e9
SHA256 3ad03ac4d57b316168e089ff507a210ed433ae0c6e6aef7ff3960782ed872d54
SHA512 6c155c7b8c3414d4cc9d1abe714248afeb9bde60c609b1961238b49c6aa929a80f5baa0d80e89ec21051c161a48ae7d3462bfa6630af98dd3346f0d808d5bf39

memory/3968-5-0x0000000000400000-0x0000000000403000-memory.dmp

memory/4656-6-0x0000000000400000-0x0000000000403000-memory.dmp

memory/3968-7-0x0000000000400000-0x0000000000403000-memory.dmp