Malware Analysis Report

2025-08-11 00:28

Sample ID 240219-1hvjasec92
Target a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422
SHA256 a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422
Tags
sality backdoor discovery evasion trojan upx
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

a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422

Threat Level: Known bad

The file a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422 was found to be: Known bad.

Malicious Activity Summary

sality backdoor discovery evasion trojan upx

Modifies firewall policy service

Sality

UAC bypass

Windows security bypass

Windows security modification

UPX packed file

Checks installed software on the system

Checks whether UAC is enabled

Drops file in Windows directory

Unsigned PE

System policy modification

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-02-19 21:39

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-02-19 21:39

Reported

2024-02-19 21:42

Platform

win7-20240215-en

Max time kernel

121s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe"

Signatures

Modifies firewall policy service

evasion
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe N/A
Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe N/A
Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe N/A

Sality

backdoor sality

UAC bypass

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe N/A

Windows security bypass

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe N/A

UPX packed file

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

Windows security modification

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe N/A

Checks installed software on the system

discovery

Checks whether UAC is enabled

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\f760c40 C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe N/A
File opened for modification C:\Windows\SYSTEM.INI C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe N/A

System policy modification

evasion
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe

"C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe"

Network

N/A

Files

memory/2308-0-0x0000000000400000-0x0000000000686000-memory.dmp

memory/2308-2-0x0000000002050000-0x000000000310A000-memory.dmp

memory/2308-4-0x0000000002050000-0x000000000310A000-memory.dmp

memory/2308-6-0x0000000000400000-0x0000000000686000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-02-19 21:39

Reported

2024-02-19 21:42

Platform

win10v2004-20231215-en

Max time kernel

93s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe"

Signatures

Modifies firewall policy service

evasion
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe N/A
Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe N/A
Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe N/A

Sality

backdoor sality

UAC bypass

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe N/A

Windows security bypass

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe N/A

UPX packed file

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

Windows security modification

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\Svc C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe N/A

Checks installed software on the system

discovery

Checks whether UAC is enabled

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File opened for modification C:\Windows\SYSTEM.INI C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe N/A
File created C:\Windows\e5742e5 C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe N/A

System policy modification

evasion
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe

"C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 205.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 2.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 28.160.77.104.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 173.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp

Files

memory/1788-0-0x0000000000400000-0x0000000000686000-memory.dmp

memory/1788-1-0x00000000025B0000-0x000000000366A000-memory.dmp

memory/1788-3-0x00000000025B0000-0x000000000366A000-memory.dmp

memory/1788-5-0x0000000000400000-0x0000000000686000-memory.dmp