Malware Analysis Report

2025-01-02 02:57

Sample ID 210930-pnxeashfh6
Target 7b8d0ee237e85d52c4ae65170c50a97437697299cb92badf91e7510f798bb452
SHA256 7b8d0ee237e85d52c4ae65170c50a97437697299cb92badf91e7510f798bb452
Tags
persistence
score
8/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

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

7b8d0ee237e85d52c4ae65170c50a97437697299cb92badf91e7510f798bb452

Threat Level: Likely malicious

The file 7b8d0ee237e85d52c4ae65170c50a97437697299cb92badf91e7510f798bb452 was found to be: Likely malicious.

Malicious Activity Summary

persistence

Executes dropped EXE

Deletes itself

Loads dropped DLL

Adds Run key to start application

Enumerates physical storage devices

Runs ping.exe

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2021-09-30 12:29

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2021-09-30 12:29

Reported

2021-09-30 12:32

Platform

win7v20210408

Max time kernel

127s

Max time network

171s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7b8d0ee237e85d52c4ae65170c50a97437697299cb92badf91e7510f798bb452.exe"

Signatures

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe N/A

Deletes itself

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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" C:\Users\Admin\AppData\Local\Temp\7b8d0ee237e85d52c4ae65170c50a97437697299cb92badf91e7510f798bb452.exe N/A

Enumerates physical storage devices

Runs ping.exe

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\PING.EXE N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\7b8d0ee237e85d52c4ae65170c50a97437697299cb92badf91e7510f798bb452.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 240 wrote to memory of 1760 N/A C:\Users\Admin\AppData\Local\Temp\7b8d0ee237e85d52c4ae65170c50a97437697299cb92badf91e7510f798bb452.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 240 wrote to memory of 1760 N/A C:\Users\Admin\AppData\Local\Temp\7b8d0ee237e85d52c4ae65170c50a97437697299cb92badf91e7510f798bb452.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 240 wrote to memory of 1760 N/A C:\Users\Admin\AppData\Local\Temp\7b8d0ee237e85d52c4ae65170c50a97437697299cb92badf91e7510f798bb452.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 240 wrote to memory of 1760 N/A C:\Users\Admin\AppData\Local\Temp\7b8d0ee237e85d52c4ae65170c50a97437697299cb92badf91e7510f798bb452.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 240 wrote to memory of 1284 N/A C:\Users\Admin\AppData\Local\Temp\7b8d0ee237e85d52c4ae65170c50a97437697299cb92badf91e7510f798bb452.exe C:\Windows\SysWOW64\cmd.exe
PID 240 wrote to memory of 1284 N/A C:\Users\Admin\AppData\Local\Temp\7b8d0ee237e85d52c4ae65170c50a97437697299cb92badf91e7510f798bb452.exe C:\Windows\SysWOW64\cmd.exe
PID 240 wrote to memory of 1284 N/A C:\Users\Admin\AppData\Local\Temp\7b8d0ee237e85d52c4ae65170c50a97437697299cb92badf91e7510f798bb452.exe C:\Windows\SysWOW64\cmd.exe
PID 240 wrote to memory of 1284 N/A C:\Users\Admin\AppData\Local\Temp\7b8d0ee237e85d52c4ae65170c50a97437697299cb92badf91e7510f798bb452.exe C:\Windows\SysWOW64\cmd.exe
PID 1284 wrote to memory of 616 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 1284 wrote to memory of 616 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 1284 wrote to memory of 616 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 1284 wrote to memory of 616 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\7b8d0ee237e85d52c4ae65170c50a97437697299cb92badf91e7510f798bb452.exe

"C:\Users\Admin\AppData\Local\Temp\7b8d0ee237e85d52c4ae65170c50a97437697299cb92badf91e7510f798bb452.exe"

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\7b8d0ee237e85d52c4ae65170c50a97437697299cb92badf91e7510f798bb452.exe"

C:\Windows\SysWOW64\PING.EXE

ping 127.0.0.1

Network

Country Destination Domain Proto
US 8.8.8.8:53 www.polarroute.com udp
US 204.11.56.48:80 www.polarroute.com tcp
US 204.11.56.48:80 www.polarroute.com tcp
US 204.11.56.48:80 www.polarroute.com tcp
US 204.11.56.48:80 www.polarroute.com tcp
US 8.8.8.8:53 www.northpoleroute.com udp
US 204.11.56.48:80 www.northpoleroute.com tcp
US 204.11.56.48:80 www.northpoleroute.com tcp

Files

memory/240-60-0x0000000075211000-0x0000000075213000-memory.dmp

\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe

MD5 f95f85e99e4c600d4ddae296367eda78
SHA1 f783318c97cdc3246db027bcaeb5c8e5c6329209
SHA256 0fc9a406c7bc39fcac49cc513ccef60e0f281d9990bf3a120a8bd61facc5bd2c
SHA512 a160383f5bca31e79d62b95cfde3d6eb11592c62097b07cf70ee2b833a1dae4fa334f4e60045c71061d130cbf1ff1fbab24e834355b43cd7c1bf7b20a6a640a8

memory/1760-62-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe

MD5 f95f85e99e4c600d4ddae296367eda78
SHA1 f783318c97cdc3246db027bcaeb5c8e5c6329209
SHA256 0fc9a406c7bc39fcac49cc513ccef60e0f281d9990bf3a120a8bd61facc5bd2c
SHA512 a160383f5bca31e79d62b95cfde3d6eb11592c62097b07cf70ee2b833a1dae4fa334f4e60045c71061d130cbf1ff1fbab24e834355b43cd7c1bf7b20a6a640a8

memory/1284-65-0x0000000000000000-mapping.dmp

memory/616-66-0x0000000000000000-mapping.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2021-09-30 12:29

Reported

2021-09-30 12:31

Platform

win10v20210408

Max time kernel

144s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7b8d0ee237e85d52c4ae65170c50a97437697299cb92badf91e7510f798bb452.exe"

Signatures

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" C:\Users\Admin\AppData\Local\Temp\7b8d0ee237e85d52c4ae65170c50a97437697299cb92badf91e7510f798bb452.exe N/A

Enumerates physical storage devices

Runs ping.exe

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\PING.EXE N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\7b8d0ee237e85d52c4ae65170c50a97437697299cb92badf91e7510f798bb452.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\7b8d0ee237e85d52c4ae65170c50a97437697299cb92badf91e7510f798bb452.exe

"C:\Users\Admin\AppData\Local\Temp\7b8d0ee237e85d52c4ae65170c50a97437697299cb92badf91e7510f798bb452.exe"

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\7b8d0ee237e85d52c4ae65170c50a97437697299cb92badf91e7510f798bb452.exe"

C:\Windows\SysWOW64\PING.EXE

ping 127.0.0.1

Network

Country Destination Domain Proto
US 8.8.8.8:53 www.polarroute.com udp
US 204.11.56.48:80 www.polarroute.com tcp
US 52.109.8.19:443 tcp
US 204.79.197.200:443 tcp
US 204.79.197.200:443 tcp
US 204.11.56.48:80 www.polarroute.com tcp
US 204.11.56.48:80 www.polarroute.com tcp
US 204.11.56.48:80 www.polarroute.com tcp
US 8.8.8.8:53 www.northpoleroute.com udp
US 204.11.56.48:80 www.northpoleroute.com tcp
US 204.11.56.48:80 www.northpoleroute.com tcp
US 204.11.56.48:80 www.northpoleroute.com tcp

Files

memory/904-114-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe

MD5 14d517aaa5d51f40cb369d9e1d68d2f5
SHA1 f30dbbba5a998bd31ff146d94b0884c8b567e244
SHA256 9d24e3278a9ea796b88a82cfc7f0977c5e77400e38383e4d01c9abb7ac42bfd1
SHA512 bef4772baf995b87ec76880125b646a9b5ca00a475d0ce95bdc6ce80b399a020aff6d4456d54e48324365cf1c763767e1db3f17e306d7b6fc811db7f692fce3f

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe

MD5 14d517aaa5d51f40cb369d9e1d68d2f5
SHA1 f30dbbba5a998bd31ff146d94b0884c8b567e244
SHA256 9d24e3278a9ea796b88a82cfc7f0977c5e77400e38383e4d01c9abb7ac42bfd1
SHA512 bef4772baf995b87ec76880125b646a9b5ca00a475d0ce95bdc6ce80b399a020aff6d4456d54e48324365cf1c763767e1db3f17e306d7b6fc811db7f692fce3f

memory/3440-117-0x0000000000000000-mapping.dmp

memory/652-118-0x0000000000000000-mapping.dmp