Malware Analysis Report

2024-11-16 13:16

Sample ID 240519-wtlnbaba7t
Target 117b636591d1cef3b372b51694d72dc78b4cb37f998984d966541ead4cbe5172.exe
SHA256 117b636591d1cef3b372b51694d72dc78b4cb37f998984d966541ead4cbe5172
Tags
sality backdoor 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

117b636591d1cef3b372b51694d72dc78b4cb37f998984d966541ead4cbe5172

Threat Level: Known bad

The file 117b636591d1cef3b372b51694d72dc78b4cb37f998984d966541ead4cbe5172.exe was found to be: Known bad.

Malicious Activity Summary

sality backdoor evasion trojan upx

Modifies firewall policy service

UAC bypass

Sality

Windows security bypass

UPX packed file

Windows security modification

Checks whether UAC is enabled

Drops file in Windows directory

Unsigned PE

System policy modification

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-19 18:12

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-19 18:12

Reported

2024-05-19 18:15

Platform

win7-20240508-en

Max time kernel

118s

Max time network

119s

Command Line

"taskhost.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\117b636591d1cef3b372b51694d72dc78b4cb37f998984d966541ead4cbe5172.exe N/A
Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" C:\Users\Admin\AppData\Local\Temp\117b636591d1cef3b372b51694d72dc78b4cb37f998984d966541ead4cbe5172.exe N/A
Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" C:\Users\Admin\AppData\Local\Temp\117b636591d1cef3b372b51694d72dc78b4cb37f998984d966541ead4cbe5172.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\117b636591d1cef3b372b51694d72dc78b4cb37f998984d966541ead4cbe5172.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\117b636591d1cef3b372b51694d72dc78b4cb37f998984d966541ead4cbe5172.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\117b636591d1cef3b372b51694d72dc78b4cb37f998984d966541ead4cbe5172.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\117b636591d1cef3b372b51694d72dc78b4cb37f998984d966541ead4cbe5172.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" C:\Users\Admin\AppData\Local\Temp\117b636591d1cef3b372b51694d72dc78b4cb37f998984d966541ead4cbe5172.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\117b636591d1cef3b372b51694d72dc78b4cb37f998984d966541ead4cbe5172.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\117b636591d1cef3b372b51694d72dc78b4cb37f998984d966541ead4cbe5172.exe N/A

UPX packed file

upx
Description Indicator Process Target
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Windows security modification

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\117b636591d1cef3b372b51694d72dc78b4cb37f998984d966541ead4cbe5172.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\117b636591d1cef3b372b51694d72dc78b4cb37f998984d966541ead4cbe5172.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc C:\Users\Admin\AppData\Local\Temp\117b636591d1cef3b372b51694d72dc78b4cb37f998984d966541ead4cbe5172.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" C:\Users\Admin\AppData\Local\Temp\117b636591d1cef3b372b51694d72dc78b4cb37f998984d966541ead4cbe5172.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\117b636591d1cef3b372b51694d72dc78b4cb37f998984d966541ead4cbe5172.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\117b636591d1cef3b372b51694d72dc78b4cb37f998984d966541ead4cbe5172.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" C:\Users\Admin\AppData\Local\Temp\117b636591d1cef3b372b51694d72dc78b4cb37f998984d966541ead4cbe5172.exe N/A

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\117b636591d1cef3b372b51694d72dc78b4cb37f998984d966541ead4cbe5172.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\f7624fe C:\Users\Admin\AppData\Local\Temp\117b636591d1cef3b372b51694d72dc78b4cb37f998984d966541ead4cbe5172.exe N/A
File opened for modification C:\Windows\SYSTEM.INI C:\Users\Admin\AppData\Local\Temp\117b636591d1cef3b372b51694d72dc78b4cb37f998984d966541ead4cbe5172.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\117b636591d1cef3b372b51694d72dc78b4cb37f998984d966541ead4cbe5172.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\117b636591d1cef3b372b51694d72dc78b4cb37f998984d966541ead4cbe5172.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\117b636591d1cef3b372b51694d72dc78b4cb37f998984d966541ead4cbe5172.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\117b636591d1cef3b372b51694d72dc78b4cb37f998984d966541ead4cbe5172.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\117b636591d1cef3b372b51694d72dc78b4cb37f998984d966541ead4cbe5172.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\117b636591d1cef3b372b51694d72dc78b4cb37f998984d966541ead4cbe5172.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\117b636591d1cef3b372b51694d72dc78b4cb37f998984d966541ead4cbe5172.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\117b636591d1cef3b372b51694d72dc78b4cb37f998984d966541ead4cbe5172.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\117b636591d1cef3b372b51694d72dc78b4cb37f998984d966541ead4cbe5172.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\117b636591d1cef3b372b51694d72dc78b4cb37f998984d966541ead4cbe5172.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\117b636591d1cef3b372b51694d72dc78b4cb37f998984d966541ead4cbe5172.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\117b636591d1cef3b372b51694d72dc78b4cb37f998984d966541ead4cbe5172.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\117b636591d1cef3b372b51694d72dc78b4cb37f998984d966541ead4cbe5172.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\117b636591d1cef3b372b51694d72dc78b4cb37f998984d966541ead4cbe5172.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\117b636591d1cef3b372b51694d72dc78b4cb37f998984d966541ead4cbe5172.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\117b636591d1cef3b372b51694d72dc78b4cb37f998984d966541ead4cbe5172.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\117b636591d1cef3b372b51694d72dc78b4cb37f998984d966541ead4cbe5172.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\117b636591d1cef3b372b51694d72dc78b4cb37f998984d966541ead4cbe5172.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\117b636591d1cef3b372b51694d72dc78b4cb37f998984d966541ead4cbe5172.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\117b636591d1cef3b372b51694d72dc78b4cb37f998984d966541ead4cbe5172.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\117b636591d1cef3b372b51694d72dc78b4cb37f998984d966541ead4cbe5172.exe N/A

Processes

C:\Windows\system32\taskhost.exe

"taskhost.exe"

C:\Windows\system32\Dwm.exe

"C:\Windows\system32\Dwm.exe"

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Windows\system32\DllHost.exe

C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}

C:\Users\Admin\AppData\Local\Temp\117b636591d1cef3b372b51694d72dc78b4cb37f998984d966541ead4cbe5172.exe

"C:\Users\Admin\AppData\Local\Temp\117b636591d1cef3b372b51694d72dc78b4cb37f998984d966541ead4cbe5172.exe"

Network

N/A

Files

memory/2244-0-0x0000000000400000-0x0000000000638000-memory.dmp

memory/2244-2-0x0000000002030000-0x00000000030EA000-memory.dmp

memory/2244-10-0x0000000002030000-0x00000000030EA000-memory.dmp

memory/2244-5-0x0000000002030000-0x00000000030EA000-memory.dmp

memory/2244-4-0x0000000002030000-0x00000000030EA000-memory.dmp

memory/2244-7-0x0000000002030000-0x00000000030EA000-memory.dmp

memory/2244-25-0x00000000008E0000-0x00000000008E1000-memory.dmp

memory/2244-23-0x00000000008E0000-0x00000000008E1000-memory.dmp

memory/2244-12-0x0000000002030000-0x00000000030EA000-memory.dmp

memory/2244-22-0x00000000008D0000-0x00000000008D2000-memory.dmp

memory/1104-14-0x00000000003A0000-0x00000000003A2000-memory.dmp

memory/2244-9-0x0000000002030000-0x00000000030EA000-memory.dmp

memory/2244-8-0x0000000002030000-0x00000000030EA000-memory.dmp

memory/2244-6-0x0000000002030000-0x00000000030EA000-memory.dmp

memory/2244-11-0x0000000002030000-0x00000000030EA000-memory.dmp

memory/2244-42-0x0000000002030000-0x00000000030EA000-memory.dmp

memory/2244-41-0x0000000000400000-0x0000000000638000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-19 18:12

Reported

2024-05-19 18:15

Platform

win10v2004-20240508-en

Max time kernel

137s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\117b636591d1cef3b372b51694d72dc78b4cb37f998984d966541ead4cbe5172.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\117b636591d1cef3b372b51694d72dc78b4cb37f998984d966541ead4cbe5172.exe N/A
Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" C:\Users\Admin\AppData\Local\Temp\117b636591d1cef3b372b51694d72dc78b4cb37f998984d966541ead4cbe5172.exe N/A
Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" C:\Users\Admin\AppData\Local\Temp\117b636591d1cef3b372b51694d72dc78b4cb37f998984d966541ead4cbe5172.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\117b636591d1cef3b372b51694d72dc78b4cb37f998984d966541ead4cbe5172.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\117b636591d1cef3b372b51694d72dc78b4cb37f998984d966541ead4cbe5172.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\117b636591d1cef3b372b51694d72dc78b4cb37f998984d966541ead4cbe5172.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\117b636591d1cef3b372b51694d72dc78b4cb37f998984d966541ead4cbe5172.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" C:\Users\Admin\AppData\Local\Temp\117b636591d1cef3b372b51694d72dc78b4cb37f998984d966541ead4cbe5172.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\117b636591d1cef3b372b51694d72dc78b4cb37f998984d966541ead4cbe5172.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\117b636591d1cef3b372b51694d72dc78b4cb37f998984d966541ead4cbe5172.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\FirewallOverride = "1" C:\Users\Admin\AppData\Local\Temp\117b636591d1cef3b372b51694d72dc78b4cb37f998984d966541ead4cbe5172.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\117b636591d1cef3b372b51694d72dc78b4cb37f998984d966541ead4cbe5172.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\117b636591d1cef3b372b51694d72dc78b4cb37f998984d966541ead4cbe5172.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\Svc C:\Users\Admin\AppData\Local\Temp\117b636591d1cef3b372b51694d72dc78b4cb37f998984d966541ead4cbe5172.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" C:\Users\Admin\AppData\Local\Temp\117b636591d1cef3b372b51694d72dc78b4cb37f998984d966541ead4cbe5172.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\117b636591d1cef3b372b51694d72dc78b4cb37f998984d966541ead4cbe5172.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\117b636591d1cef3b372b51694d72dc78b4cb37f998984d966541ead4cbe5172.exe N/A

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\117b636591d1cef3b372b51694d72dc78b4cb37f998984d966541ead4cbe5172.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\e574e20 C:\Users\Admin\AppData\Local\Temp\117b636591d1cef3b372b51694d72dc78b4cb37f998984d966541ead4cbe5172.exe N/A
File opened for modification C:\Windows\SYSTEM.INI C:\Users\Admin\AppData\Local\Temp\117b636591d1cef3b372b51694d72dc78b4cb37f998984d966541ead4cbe5172.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\117b636591d1cef3b372b51694d72dc78b4cb37f998984d966541ead4cbe5172.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\117b636591d1cef3b372b51694d72dc78b4cb37f998984d966541ead4cbe5172.exe

"C:\Users\Admin\AppData\Local\Temp\117b636591d1cef3b372b51694d72dc78b4cb37f998984d966541ead4cbe5172.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 77.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
BE 88.221.83.248:443 www.bing.com tcp
US 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
BE 88.221.83.248:443 www.bing.com tcp
US 8.8.8.8:53 248.83.221.88.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.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 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp

Files

memory/3444-0-0x0000000000400000-0x0000000000638000-memory.dmp

memory/3444-1-0x00000000023C0000-0x000000000347A000-memory.dmp

memory/3444-3-0x00000000023C0000-0x000000000347A000-memory.dmp

memory/3444-5-0x0000000000400000-0x0000000000638000-memory.dmp