Malware Analysis Report

2025-08-11 01:26

Sample ID 240229-dtfsysca9s
Target ad8d87e465deebc22385a0445e12895d
SHA256 0be71b7842db24b8d8b079a9416fd23d0b2c2a78e1fe972781037205cd6e286f
Tags
aspackv2 evasion persistence
score
10/10

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
10/10

SHA256

0be71b7842db24b8d8b079a9416fd23d0b2c2a78e1fe972781037205cd6e286f

Threat Level: Known bad

The file ad8d87e465deebc22385a0445e12895d was found to be: Known bad.

Malicious Activity Summary

aspackv2 evasion persistence

Modifies firewall policy service

ASPack v2.12-2.42

Adds Run key to start application

Drops file in System32 directory

Unsigned PE

Program crash

Suspicious use of FindShellTrayWindow

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-02-29 03:17

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 03:17

Reported

2024-02-29 03:20

Platform

win7-20240221-en

Max time kernel

150s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ad8d87e465deebc22385a0445e12895d.exe"

Signatures

Modifies firewall policy service

evasion
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\GloballyOpenPorts\List\2024:TCP = "2024:TCP:*:Enabled:system32.dll" C:\Users\Admin\AppData\Local\Temp\ad8d87e465deebc22385a0445e12895d.exe N/A
Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List C:\Users\Admin\AppData\Local\Temp\ad8d87e465deebc22385a0445e12895d.exe N/A
Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\AppData\Local\Temp\ad8d87e465deebc22385a0445e12895d.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ad8d87e465deebc22385a0445e12895d.exe:*:Enabled:system32.dll" C:\Users\Admin\AppData\Local\Temp\ad8d87e465deebc22385a0445e12895d.exe N/A
Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\GloballyOpenPorts\List C:\Users\Admin\AppData\Local\Temp\ad8d87e465deebc22385a0445e12895d.exe N/A

ASPack v2.12-2.42

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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\NvCplida = "C:\\Windows\\system32\\ad8d87e465deebc22385a0445e12895d.exe" C:\Users\Admin\AppData\Local\Temp\ad8d87e465deebc22385a0445e12895d.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\ad8d87e465deebc22385a0445e12895d.exe C:\Users\Admin\AppData\Local\Temp\ad8d87e465deebc22385a0445e12895d.exe N/A
File opened for modification C:\Windows\SysWOW64\ad8d87e465deebc22385a0445e12895d.exe C:\Users\Admin\AppData\Local\Temp\ad8d87e465deebc22385a0445e12895d.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\ad8d87e465deebc22385a0445e12895d.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\ad8d87e465deebc22385a0445e12895d.exe

"C:\Users\Admin\AppData\Local\Temp\ad8d87e465deebc22385a0445e12895d.exe"

Network

N/A

Files

memory/2292-0-0x0000000000220000-0x0000000000221000-memory.dmp

F:\ad8d87e465deebc22385a0445e12895d.exe

MD5 ad8d87e465deebc22385a0445e12895d
SHA1 c0b1d0eb620e15ac664d204fe956f3adaeed2a29
SHA256 0be71b7842db24b8d8b079a9416fd23d0b2c2a78e1fe972781037205cd6e286f
SHA512 0b89bf5f3334e6115dd6dca13b548e8668a8a4277ffe67d488426fc183f02578ec1dde351a2c60e012a433e4d7116aeefa9b578bfd401955bcb7e503039d28c6

memory/2292-6-0x0000000000400000-0x0000000000478000-memory.dmp

memory/2292-8-0x0000000000220000-0x0000000000221000-memory.dmp

memory/2292-12-0x0000000000400000-0x0000000000478000-memory.dmp

memory/2292-13-0x0000000000400000-0x0000000000478000-memory.dmp

memory/2292-14-0x0000000000400000-0x0000000000478000-memory.dmp

memory/2292-19-0x0000000000400000-0x0000000000478000-memory.dmp

memory/2292-20-0x0000000000400000-0x0000000000478000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-02-29 03:17

Reported

2024-02-29 03:20

Platform

win10v2004-20240226-en

Max time kernel

150s

Max time network

146s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ad8d87e465deebc22385a0445e12895d.exe"

Signatures

Modifies firewall policy service

evasion
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\GloballyOpenPorts C:\Users\Admin\AppData\Local\Temp\ad8d87e465deebc22385a0445e12895d.exe N/A
Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\GloballyOpenPorts\List\2024:TCP = "2024:TCP:*:Enabled:system32.dll" C:\Users\Admin\AppData\Local\Temp\ad8d87e465deebc22385a0445e12895d.exe N/A
Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List C:\Users\Admin\AppData\Local\Temp\ad8d87e465deebc22385a0445e12895d.exe N/A
Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile C:\Users\Admin\AppData\Local\Temp\ad8d87e465deebc22385a0445e12895d.exe N/A
Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications C:\Users\Admin\AppData\Local\Temp\ad8d87e465deebc22385a0445e12895d.exe N/A
Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\AppData\Local\Temp\ad8d87e465deebc22385a0445e12895d.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ad8d87e465deebc22385a0445e12895d.exe:*:Enabled:system32.dll" C:\Users\Admin\AppData\Local\Temp\ad8d87e465deebc22385a0445e12895d.exe N/A
Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\GloballyOpenPorts\List C:\Users\Admin\AppData\Local\Temp\ad8d87e465deebc22385a0445e12895d.exe N/A

ASPack v2.12-2.42

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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\NvCplida = "C:\\Windows\\system32\\ad8d87e465deebc22385a0445e12895d.exe" C:\Users\Admin\AppData\Local\Temp\ad8d87e465deebc22385a0445e12895d.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\ad8d87e465deebc22385a0445e12895d.exe C:\Users\Admin\AppData\Local\Temp\ad8d87e465deebc22385a0445e12895d.exe N/A
File opened for modification C:\Windows\SysWOW64\ad8d87e465deebc22385a0445e12895d.exe C:\Users\Admin\AppData\Local\Temp\ad8d87e465deebc22385a0445e12895d.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\ad8d87e465deebc22385a0445e12895d.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\ad8d87e465deebc22385a0445e12895d.exe

"C:\Users\Admin\AppData\Local\Temp\ad8d87e465deebc22385a0445e12895d.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3668 -ip 3668

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3668 -s 444

Network

Country Destination Domain Proto
US 8.8.8.8:53 73.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 20.231.121.79:80 tcp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 170.117.168.52.in-addr.arpa udp

Files

memory/3668-0-0x0000000002210000-0x0000000002211000-memory.dmp

C:\Windows\SysWOW64\ad8d87e465deebc22385a0445e12895d.exe

MD5 ad8d87e465deebc22385a0445e12895d
SHA1 c0b1d0eb620e15ac664d204fe956f3adaeed2a29
SHA256 0be71b7842db24b8d8b079a9416fd23d0b2c2a78e1fe972781037205cd6e286f
SHA512 0b89bf5f3334e6115dd6dca13b548e8668a8a4277ffe67d488426fc183f02578ec1dde351a2c60e012a433e4d7116aeefa9b578bfd401955bcb7e503039d28c6

memory/3668-8-0x0000000000400000-0x0000000000478000-memory.dmp

memory/3668-10-0x0000000002210000-0x0000000002211000-memory.dmp

memory/3668-14-0x0000000000400000-0x0000000000478000-memory.dmp

memory/3668-18-0x0000000000400000-0x0000000000478000-memory.dmp

memory/3668-19-0x0000000000400000-0x0000000000478000-memory.dmp