Malware Analysis Report

2024-12-01 01:34

Sample ID 241110-bqbnqawfqd
Target 6a349b5412dd2c94cb78f536120cabec6c8d07237916fed10d448e81922d0d61N
SHA256 6a349b5412dd2c94cb78f536120cabec6c8d07237916fed10d448e81922d0d61
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

6a349b5412dd2c94cb78f536120cabec6c8d07237916fed10d448e81922d0d61

Threat Level: Shows suspicious behavior

The file 6a349b5412dd2c94cb78f536120cabec6c8d07237916fed10d448e81922d0d61N 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

2024-11-10 01:20

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 01:20

Reported

2024-11-10 01:22

Platform

win7-20240903-en

Max time kernel

119s

Max time network

16s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6a349b5412dd2c94cb78f536120cabec6c8d07237916fed10d448e81922d0d61N.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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" C:\Users\Admin\AppData\Local\Temp\6a349b5412dd2c94cb78f536120cabec6c8d07237916fed10d448e81922d0d61N.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\microsofthelp.exe C:\Users\Admin\AppData\Local\Temp\6a349b5412dd2c94cb78f536120cabec6c8d07237916fed10d448e81922d0d61N.exe N/A
File created C:\Windows\HidePlugin.dll C:\Windows\microsofthelp.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\6a349b5412dd2c94cb78f536120cabec6c8d07237916fed10d448e81922d0d61N.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\6a349b5412dd2c94cb78f536120cabec6c8d07237916fed10d448e81922d0d61N.exe

"C:\Users\Admin\AppData\Local\Temp\6a349b5412dd2c94cb78f536120cabec6c8d07237916fed10d448e81922d0d61N.exe"

C:\Windows\microsofthelp.exe

"C:\Windows\microsofthelp.exe"

Network

N/A

Files

memory/2180-0-0x0000000000400000-0x000000000040E000-memory.dmp

memory/2180-2-0x0000000000220000-0x000000000022E000-memory.dmp

C:\Windows\microsofthelp.exe

MD5 964bbe52add974dd8026386aae56a164
SHA1 36b406871b0d039a4925c85440e19480ca3c093a
SHA256 5cbad242b95593587e7ebdbea078126a314390cfea03a02c326c698c77dc8dc2
SHA512 416d49b67a67fbcb551212a0cfb4e647e663e3f97bcd25965f4efbb48d9473befa816c496e264584cbc3574bd1ca9106fae1d59d0010384cd0c5384849ff44e2

memory/2972-10-0x0000000000400000-0x000000000040E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-10 01:20

Reported

2024-11-10 01:22

Platform

win10v2004-20241007-en

Max time kernel

119s

Max time network

94s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6a349b5412dd2c94cb78f536120cabec6c8d07237916fed10d448e81922d0d61N.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\6a349b5412dd2c94cb78f536120cabec6c8d07237916fed10d448e81922d0d61N.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\microsofthelp.exe C:\Users\Admin\AppData\Local\Temp\6a349b5412dd2c94cb78f536120cabec6c8d07237916fed10d448e81922d0d61N.exe N/A
File created C:\Windows\HidePlugin.dll C:\Windows\microsofthelp.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\6a349b5412dd2c94cb78f536120cabec6c8d07237916fed10d448e81922d0d61N.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\6a349b5412dd2c94cb78f536120cabec6c8d07237916fed10d448e81922d0d61N.exe

"C:\Users\Admin\AppData\Local\Temp\6a349b5412dd2c94cb78f536120cabec6c8d07237916fed10d448e81922d0d61N.exe"

C:\Windows\microsofthelp.exe

"C:\Windows\microsofthelp.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 67.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 68.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 107.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp

Files

memory/4892-0-0x0000000000400000-0x000000000040E000-memory.dmp

C:\Windows\microsofthelp.exe

MD5 964bbe52add974dd8026386aae56a164
SHA1 36b406871b0d039a4925c85440e19480ca3c093a
SHA256 5cbad242b95593587e7ebdbea078126a314390cfea03a02c326c698c77dc8dc2
SHA512 416d49b67a67fbcb551212a0cfb4e647e663e3f97bcd25965f4efbb48d9473befa816c496e264584cbc3574bd1ca9106fae1d59d0010384cd0c5384849ff44e2

memory/4892-5-0x0000000000400000-0x000000000040E000-memory.dmp

memory/4284-6-0x0000000000400000-0x000000000040E000-memory.dmp