Malware Analysis Report

2024-11-13 17:38

Sample ID 241110-b2zvpaxalg
Target ad58f319d43fb00b4d6779ec9ead79ed47bcfce58abdd98c1b9eb665457261c9
SHA256 ad58f319d43fb00b4d6779ec9ead79ed47bcfce58abdd98c1b9eb665457261c9
Tags
healer discovery dropper evasion persistence trojan
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 Overview

score
10/10

SHA256

ad58f319d43fb00b4d6779ec9ead79ed47bcfce58abdd98c1b9eb665457261c9

Threat Level: Known bad

The file ad58f319d43fb00b4d6779ec9ead79ed47bcfce58abdd98c1b9eb665457261c9 was found to be: Known bad.

Malicious Activity Summary

healer discovery dropper evasion persistence trojan

Detects Healer an antivirus disabler dropper

Healer family

Modifies Windows Defender Real-time Protection settings

Healer

Executes dropped EXE

Windows security modification

Adds Run key to start application

Unsigned PE

Program crash

System Location Discovery: System Language Discovery

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-10 01:39

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 01:39

Reported

2024-11-10 01:41

Platform

win10v2004-20241007-en

Max time kernel

102s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ad58f319d43fb00b4d6779ec9ead79ed47bcfce58abdd98c1b9eb665457261c9.exe"

Signatures

Detects Healer an antivirus disabler dropper

Description Indicator Process Target
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Healer

dropper healer

Healer family

healer

Modifies Windows Defender Real-time Protection settings

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b7530sq.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b7530sq.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b7530sq.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c61pa78.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c61pa78.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b7530sq.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b7530sq.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b7530sq.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c61pa78.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c61pa78.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c61pa78.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c61pa78.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b7530sq.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c61pa78.exe N/A

Windows security modification

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b7530sq.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c61pa78.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c61pa78.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\"" C:\Users\Admin\AppData\Local\Temp\ad58f319d43fb00b4d6779ec9ead79ed47bcfce58abdd98c1b9eb665457261c9.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\ad58f319d43fb00b4d6779ec9ead79ed47bcfce58abdd98c1b9eb665457261c9.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c61pa78.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b7530sq.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c61pa78.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\ad58f319d43fb00b4d6779ec9ead79ed47bcfce58abdd98c1b9eb665457261c9.exe

"C:\Users\Admin\AppData\Local\Temp\ad58f319d43fb00b4d6779ec9ead79ed47bcfce58abdd98c1b9eb665457261c9.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b7530sq.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b7530sq.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c61pa78.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c61pa78.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4108 -ip 4108

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4108 -s 1080

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 22.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b7530sq.exe

MD5 7e93bacbbc33e6652e147e7fe07572a0
SHA1 421a7167da01c8da4dc4d5234ca3dd84e319e762
SHA256 850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38
SHA512 250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

memory/628-7-0x00007FF97BA13000-0x00007FF97BA15000-memory.dmp

memory/628-8-0x0000000000BE0000-0x0000000000BEA000-memory.dmp

memory/628-9-0x00007FF97BA13000-0x00007FF97BA15000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c61pa78.exe

MD5 8979170b758e96ff5110083c0cd9d0fd
SHA1 c0e5dd3e1a194096099df9d27543dbc3a14831ca
SHA256 d4334ec46472af77c21168558d119345b5aee56864c3bab851d254456e3bdd62
SHA512 9e6670c4ff5bf84167932fb68c1d445ebc9d746c8919decfddb12b055d13c31c18d699cc0f9abdb408bebcd1704f5818d382f89890fd6964078bb256f6127d56

memory/4108-15-0x0000000000820000-0x0000000000920000-memory.dmp

memory/4108-16-0x0000000000610000-0x000000000063D000-memory.dmp

memory/4108-17-0x0000000000400000-0x0000000000430000-memory.dmp

memory/4108-18-0x0000000002320000-0x000000000233A000-memory.dmp

memory/4108-19-0x0000000004DD0000-0x0000000005374000-memory.dmp

memory/4108-20-0x00000000023E0000-0x00000000023F8000-memory.dmp

memory/4108-21-0x00000000023E0000-0x00000000023F2000-memory.dmp

memory/4108-28-0x00000000023E0000-0x00000000023F2000-memory.dmp

memory/4108-48-0x00000000023E0000-0x00000000023F2000-memory.dmp

memory/4108-46-0x00000000023E0000-0x00000000023F2000-memory.dmp

memory/4108-44-0x00000000023E0000-0x00000000023F2000-memory.dmp

memory/4108-42-0x00000000023E0000-0x00000000023F2000-memory.dmp

memory/4108-41-0x00000000023E0000-0x00000000023F2000-memory.dmp

memory/4108-38-0x00000000023E0000-0x00000000023F2000-memory.dmp

memory/4108-36-0x00000000023E0000-0x00000000023F2000-memory.dmp

memory/4108-34-0x00000000023E0000-0x00000000023F2000-memory.dmp

memory/4108-32-0x00000000023E0000-0x00000000023F2000-memory.dmp

memory/4108-30-0x00000000023E0000-0x00000000023F2000-memory.dmp

memory/4108-26-0x00000000023E0000-0x00000000023F2000-memory.dmp

memory/4108-24-0x00000000023E0000-0x00000000023F2000-memory.dmp

memory/4108-22-0x00000000023E0000-0x00000000023F2000-memory.dmp

memory/4108-49-0x0000000000820000-0x0000000000920000-memory.dmp

memory/4108-50-0x0000000000610000-0x000000000063D000-memory.dmp

memory/4108-51-0x0000000000400000-0x00000000004BB000-memory.dmp

memory/4108-52-0x0000000000400000-0x0000000000430000-memory.dmp

memory/4108-54-0x0000000000400000-0x00000000004BB000-memory.dmp

memory/4108-55-0x0000000000400000-0x0000000000430000-memory.dmp