Malware Analysis Report

2025-08-10 21:29

Sample ID 240527-w5zpbaee42
Target 06e5bc843370573dd481f767e1cf066accab857f4dc93b5003a33b1411d8acbf
SHA256 06e5bc843370573dd481f767e1cf066accab857f4dc93b5003a33b1411d8acbf
Tags
persistence
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

06e5bc843370573dd481f767e1cf066accab857f4dc93b5003a33b1411d8acbf

Threat Level: Likely malicious

The file 06e5bc843370573dd481f767e1cf066accab857f4dc93b5003a33b1411d8acbf was found to be: Likely malicious.

Malicious Activity Summary

persistence

Modifies Installed Components in the registry

Deletes itself

Drops file in System32 directory

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-27 18:30

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-27 18:30

Reported

2024-05-27 18:33

Platform

win7-20240508-en

Max time kernel

121s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\06e5bc843370573dd481f767e1cf066accab857f4dc93b5003a33b1411d8acbf.exe"

Signatures

Modifies Installed Components in the registry

persistence
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{20715151-38D0-DA41-2FF8-397E5850F027} C:\Users\Admin\AppData\Local\Temp\06e5bc843370573dd481f767e1cf066accab857f4dc93b5003a33b1411d8acbf.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{20715151-38D0-DA41-2FF8-397E5850F027}\stubpath = "%SystemRoot%\\system32\\vmtoolsd.exe" C:\Users\Admin\AppData\Local\Temp\06e5bc843370573dd481f767e1cf066accab857f4dc93b5003a33b1411d8acbf.exe N/A

Deletes itself

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\cmd.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\vmtoolsd.exe C:\Users\Admin\AppData\Local\Temp\06e5bc843370573dd481f767e1cf066accab857f4dc93b5003a33b1411d8acbf.exe N/A
File opened for modification C:\Windows\SysWOW64\vmtoolsd.exe C:\Users\Admin\AppData\Local\Temp\06e5bc843370573dd481f767e1cf066accab857f4dc93b5003a33b1411d8acbf.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\06e5bc843370573dd481f767e1cf066accab857f4dc93b5003a33b1411d8acbf.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\06e5bc843370573dd481f767e1cf066accab857f4dc93b5003a33b1411d8acbf.exe

"C:\Users\Admin\AppData\Local\Temp\06e5bc843370573dd481f767e1cf066accab857f4dc93b5003a33b1411d8acbf.exe"

C:\Windows\SysWOW64\reg.exe

reg delete "HKEY_CURRENT_USER\Software\Microsoft\Active Setup\Installed Components\{20715151-38D0-DA41-2FF8-397E5850F027}" /f

C:\Windows\SysWOW64\cmd.exe

C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\06E5BC~1.EXE > nul

Network

Country Destination Domain Proto
US 8.8.8.8:53 www.issuejeju.com udp
KR 121.78.127.93:80 www.issuejeju.com tcp

Files

memory/1500-0-0x0000000000400000-0x000000000041E000-memory.dmp

memory/1500-1-0x0000000000400000-0x000000000041E000-memory.dmp

memory/1500-6-0x0000000000400000-0x000000000041E000-memory.dmp

memory/1500-5-0x0000000000400000-0x000000000041E000-memory.dmp

memory/1500-2-0x0000000000401000-0x0000000000410000-memory.dmp

memory/1500-9-0x0000000000401000-0x0000000000410000-memory.dmp

memory/1500-8-0x0000000000400000-0x000000000041E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-27 18:30

Reported

2024-05-27 18:33

Platform

win10v2004-20240508-en

Max time kernel

133s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\06e5bc843370573dd481f767e1cf066accab857f4dc93b5003a33b1411d8acbf.exe"

Signatures

Modifies Installed Components in the registry

persistence
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{DBCEDD16-FF79-405A-E366-09D78D48267B} C:\Users\Admin\AppData\Local\Temp\06e5bc843370573dd481f767e1cf066accab857f4dc93b5003a33b1411d8acbf.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{DBCEDD16-FF79-405A-E366-09D78D48267B}\stubpath = "%SystemRoot%\\system32\\vmtoolsd.exe" C:\Users\Admin\AppData\Local\Temp\06e5bc843370573dd481f767e1cf066accab857f4dc93b5003a33b1411d8acbf.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\vmtoolsd.exe C:\Users\Admin\AppData\Local\Temp\06e5bc843370573dd481f767e1cf066accab857f4dc93b5003a33b1411d8acbf.exe N/A
File opened for modification C:\Windows\SysWOW64\vmtoolsd.exe C:\Users\Admin\AppData\Local\Temp\06e5bc843370573dd481f767e1cf066accab857f4dc93b5003a33b1411d8acbf.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\06e5bc843370573dd481f767e1cf066accab857f4dc93b5003a33b1411d8acbf.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\06e5bc843370573dd481f767e1cf066accab857f4dc93b5003a33b1411d8acbf.exe

"C:\Users\Admin\AppData\Local\Temp\06e5bc843370573dd481f767e1cf066accab857f4dc93b5003a33b1411d8acbf.exe"

C:\Windows\SysWOW64\reg.exe

reg delete "HKEY_CURRENT_USER\Software\Microsoft\Active Setup\Installed Components\{DBCEDD16-FF79-405A-E366-09D78D48267B}" /f

C:\Windows\SysWOW64\cmd.exe

C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\06E5BC~1.EXE > nul

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 138.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 73.159.190.20.in-addr.arpa udp
NL 23.62.61.97:443 www.bing.com tcp
US 8.8.8.8:53 www.issuejeju.com udp
KR 121.78.127.93:80 www.issuejeju.com tcp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 97.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 93.127.78.121.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp

Files

memory/4116-0-0x0000000000400000-0x000000000041E000-memory.dmp

memory/4116-1-0x0000000000401000-0x0000000000410000-memory.dmp

memory/4116-2-0x0000000000400000-0x000000000041E000-memory.dmp

memory/4116-5-0x0000000000400000-0x000000000041E000-memory.dmp

memory/4116-6-0x0000000000400000-0x000000000041E000-memory.dmp

memory/4116-7-0x0000000000401000-0x0000000000410000-memory.dmp