Malware Analysis Report

2024-12-07 10:36

Sample ID 241113-xms99awrev
Target 0d6628e14630e8e19c7599296e4bf047eca606ae0eb80aeef399e22c7f13ed20N.exe
SHA256 0d6628e14630e8e19c7599296e4bf047eca606ae0eb80aeef399e22c7f13ed20
Tags
discovery persistence
score
7/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
7/10

SHA256

0d6628e14630e8e19c7599296e4bf047eca606ae0eb80aeef399e22c7f13ed20

Threat Level: Shows suspicious behavior

The file 0d6628e14630e8e19c7599296e4bf047eca606ae0eb80aeef399e22c7f13ed20N.exe 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

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-13 18:58

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-13 18:58

Reported

2024-11-13 19:00

Platform

win10v2004-20241007-en

Max time kernel

119s

Max time network

96s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0d6628e14630e8e19c7599296e4bf047eca606ae0eb80aeef399e22c7f13ed20N.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-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" C:\Users\Admin\AppData\Local\Temp\0d6628e14630e8e19c7599296e4bf047eca606ae0eb80aeef399e22c7f13ed20N.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\microsofthelp.exe C:\Users\Admin\AppData\Local\Temp\0d6628e14630e8e19c7599296e4bf047eca606ae0eb80aeef399e22c7f13ed20N.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\0d6628e14630e8e19c7599296e4bf047eca606ae0eb80aeef399e22c7f13ed20N.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\0d6628e14630e8e19c7599296e4bf047eca606ae0eb80aeef399e22c7f13ed20N.exe

"C:\Users\Admin\AppData\Local\Temp\0d6628e14630e8e19c7599296e4bf047eca606ae0eb80aeef399e22c7f13ed20N.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 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 72.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp

Files

memory/2632-0-0x0000000000400000-0x0000000000403000-memory.dmp

C:\Windows\microsofthelp.exe

MD5 c4688490b605a8bd39fe22a58f412a2b
SHA1 af5a53eb8add68b342dd1fae79c27419aeb0ed28
SHA256 3a297f4f9c1a6699e4398b2001d7d2b933a19565559e3080b14228ee75547e54
SHA512 e0882c7a6279c2b3b9586fff8be58f734ed910f0ef3b3776d6f0e2d49774bc2cffee3fe1ed6d0fdfb0308b916377beb53b0bb3a9d90fe2581c6ede5ea98f12a8

memory/2632-4-0x0000000000400000-0x0000000000403000-memory.dmp

memory/4424-6-0x0000000000400000-0x0000000000403000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-13 18:58

Reported

2024-11-13 19:00

Platform

win7-20240903-en

Max time kernel

119s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0d6628e14630e8e19c7599296e4bf047eca606ae0eb80aeef399e22c7f13ed20N.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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" C:\Users\Admin\AppData\Local\Temp\0d6628e14630e8e19c7599296e4bf047eca606ae0eb80aeef399e22c7f13ed20N.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\microsofthelp.exe C:\Users\Admin\AppData\Local\Temp\0d6628e14630e8e19c7599296e4bf047eca606ae0eb80aeef399e22c7f13ed20N.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\0d6628e14630e8e19c7599296e4bf047eca606ae0eb80aeef399e22c7f13ed20N.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\0d6628e14630e8e19c7599296e4bf047eca606ae0eb80aeef399e22c7f13ed20N.exe

"C:\Users\Admin\AppData\Local\Temp\0d6628e14630e8e19c7599296e4bf047eca606ae0eb80aeef399e22c7f13ed20N.exe"

C:\Windows\microsofthelp.exe

"C:\Windows\microsofthelp.exe"

Network

N/A

Files

memory/2084-0-0x0000000000400000-0x0000000000403000-memory.dmp

memory/2084-6-0x0000000000400000-0x0000000000403000-memory.dmp

C:\Windows\microsofthelp.exe

MD5 c4688490b605a8bd39fe22a58f412a2b
SHA1 af5a53eb8add68b342dd1fae79c27419aeb0ed28
SHA256 3a297f4f9c1a6699e4398b2001d7d2b933a19565559e3080b14228ee75547e54
SHA512 e0882c7a6279c2b3b9586fff8be58f734ed910f0ef3b3776d6f0e2d49774bc2cffee3fe1ed6d0fdfb0308b916377beb53b0bb3a9d90fe2581c6ede5ea98f12a8

memory/2372-9-0x0000000000400000-0x0000000000403000-memory.dmp