Malware Analysis Report

2025-08-11 01:26

Sample ID 240229-c2v26sbf28
Target ad7841a5878b1dfa75b05bb4d2b20eb0
SHA256 9d595e48793c40a85057d2c7a56fbc2acb925a2d083f1d19f654e7a57ffaf6b7
Tags
aspackv2 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

9d595e48793c40a85057d2c7a56fbc2acb925a2d083f1d19f654e7a57ffaf6b7

Threat Level: Shows suspicious behavior

The file ad7841a5878b1dfa75b05bb4d2b20eb0 was found to be: Shows suspicious behavior.

Malicious Activity Summary

aspackv2 persistence

ASPack v2.12-2.42

Adds Run key to start application

Drops file in System32 directory

Drops file in Windows directory

Unsigned PE

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-02-29 02:34

Signatures

ASPack v2.12-2.42

aspackv2
Description Indicator Process Target
N/A N/A N/A N/A

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-02-29 02:34

Reported

2024-02-29 02:37

Platform

win7-20240221-en

Max time kernel

151s

Max time network

130s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ad7841a5878b1dfa75b05bb4d2b20eb0.exe"

Signatures

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\avg = "C:\\Arquivos de programas\\avg.exe" C:\Users\Admin\AppData\Local\Temp\ad7841a5878b1dfa75b05bb4d2b20eb0.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ = "C:\\Windows\\System32\\WMPlayer12.exe" C:\Users\Admin\AppData\Local\Temp\ad7841a5878b1dfa75b05bb4d2b20eb0.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File created C:\WINDOWS\SysWOW64\PLUG.SYS C:\Users\Admin\AppData\Local\Temp\ad7841a5878b1dfa75b05bb4d2b20eb0.exe N/A
File created C:\Windows\SysWOW64\WMPlayer12.exe C:\Users\Admin\AppData\Local\Temp\ad7841a5878b1dfa75b05bb4d2b20eb0.exe N/A
File opened for modification C:\Windows\SysWOW64\WMPlayer12.exe C:\Users\Admin\AppData\Local\Temp\ad7841a5878b1dfa75b05bb4d2b20eb0.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\WINDOWS\Log1 C:\Users\Admin\AppData\Local\Temp\ad7841a5878b1dfa75b05bb4d2b20eb0.exe N/A
File created C:\WINDOWS\Longg C:\Users\Admin\AppData\Local\Temp\ad7841a5878b1dfa75b05bb4d2b20eb0.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\ad7841a5878b1dfa75b05bb4d2b20eb0.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\ad7841a5878b1dfa75b05bb4d2b20eb0.exe

"C:\Users\Admin\AppData\Local\Temp\ad7841a5878b1dfa75b05bb4d2b20eb0.exe"

C:\Windows\SysWOW64\cmd.exe

cmd / C:\DellPlung.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 rapido.dominiotemporario.com udp
BR 200.98.197.6:80 rapido.dominiotemporario.com tcp

Files

memory/768-0-0x0000000000220000-0x0000000000221000-memory.dmp

memory/768-6-0x0000000000400000-0x0000000001465000-memory.dmp

memory/768-8-0x0000000000220000-0x0000000000221000-memory.dmp

memory/768-9-0x0000000000400000-0x0000000001465000-memory.dmp

memory/768-10-0x0000000000400000-0x0000000001465000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-02-29 02:34

Reported

2024-02-29 02:37

Platform

win10v2004-20240226-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ad7841a5878b1dfa75b05bb4d2b20eb0.exe"

Signatures

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\avg = "C:\\Arquivos de programas\\avg.exe" C:\Users\Admin\AppData\Local\Temp\ad7841a5878b1dfa75b05bb4d2b20eb0.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ = "C:\\Windows\\System32\\WMPlayer12.exe" C:\Users\Admin\AppData\Local\Temp\ad7841a5878b1dfa75b05bb4d2b20eb0.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File created C:\WINDOWS\SysWOW64\PLUG.SYS C:\Users\Admin\AppData\Local\Temp\ad7841a5878b1dfa75b05bb4d2b20eb0.exe N/A
File created C:\Windows\SysWOW64\WMPlayer12.exe C:\Users\Admin\AppData\Local\Temp\ad7841a5878b1dfa75b05bb4d2b20eb0.exe N/A
File opened for modification C:\Windows\SysWOW64\WMPlayer12.exe C:\Users\Admin\AppData\Local\Temp\ad7841a5878b1dfa75b05bb4d2b20eb0.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\WINDOWS\Log1 C:\Users\Admin\AppData\Local\Temp\ad7841a5878b1dfa75b05bb4d2b20eb0.exe N/A
File created C:\WINDOWS\Longg C:\Users\Admin\AppData\Local\Temp\ad7841a5878b1dfa75b05bb4d2b20eb0.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\ad7841a5878b1dfa75b05bb4d2b20eb0.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\ad7841a5878b1dfa75b05bb4d2b20eb0.exe

"C:\Users\Admin\AppData\Local\Temp\ad7841a5878b1dfa75b05bb4d2b20eb0.exe"

C:\Windows\SysWOW64\cmd.exe

cmd / C:\DellPlung.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 71.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 173.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 rapido.dominiotemporario.com udp
BR 200.98.197.6:80 rapido.dominiotemporario.com tcp
US 8.8.8.8:53 6.197.98.200.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 58.189.79.40.in-addr.arpa udp

Files

memory/4656-0-0x0000000003200000-0x0000000003201000-memory.dmp

memory/4656-6-0x0000000000400000-0x0000000001465000-memory.dmp

memory/4656-8-0x0000000003200000-0x0000000003201000-memory.dmp