Malware Analysis Report

2024-10-16 03:50

Sample ID 240424-sdvphaca52
Target 37dd6fe30ecd67cfc661fa3581ea9388f5a87a16022227bd3a62a6bcb829ffb1
SHA256 37dd6fe30ecd67cfc661fa3581ea9388f5a87a16022227bd3a62a6bcb829ffb1
Tags
healer dropper evasion 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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

37dd6fe30ecd67cfc661fa3581ea9388f5a87a16022227bd3a62a6bcb829ffb1

Threat Level: Known bad

The file 37dd6fe30ecd67cfc661fa3581ea9388f5a87a16022227bd3a62a6bcb829ffb1 was found to be: Known bad.

Malicious Activity Summary

healer dropper evasion trojan

Healer

Modifies Windows Defender Real-time Protection settings

Detects Healer an antivirus disabler dropper

Detects executables embedding registry key / value combination indicative of disabling Windows Defender features

Windows security modification

Program crash

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-24 15:01

Signatures

Unsigned PE

Description Indicator Process Target
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Analysis: behavioral1

Detonation Overview

Submitted

2024-04-24 15:01

Reported

2024-04-24 15:03

Platform

win7-20240221-en

Max time kernel

118s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\37dd6fe30ecd67cfc661fa3581ea9388f5a87a16022227bd3a62a6bcb829ffb1.exe"

Signatures

Detects Healer an antivirus disabler dropper

Description Indicator Process Target
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Healer

dropper 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\DisableIOAVProtection = "1" C:\Users\Admin\AppData\Local\Temp\37dd6fe30ecd67cfc661fa3581ea9388f5a87a16022227bd3a62a6bcb829ffb1.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" C:\Users\Admin\AppData\Local\Temp\37dd6fe30ecd67cfc661fa3581ea9388f5a87a16022227bd3a62a6bcb829ffb1.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\37dd6fe30ecd67cfc661fa3581ea9388f5a87a16022227bd3a62a6bcb829ffb1.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" C:\Users\Admin\AppData\Local\Temp\37dd6fe30ecd67cfc661fa3581ea9388f5a87a16022227bd3a62a6bcb829ffb1.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\37dd6fe30ecd67cfc661fa3581ea9388f5a87a16022227bd3a62a6bcb829ffb1.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\37dd6fe30ecd67cfc661fa3581ea9388f5a87a16022227bd3a62a6bcb829ffb1.exe N/A

Detects executables embedding registry key / value combination indicative of disabling Windows Defender features

Description Indicator Process Target
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Windows security modification

evasion trojan
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Features C:\Users\Admin\AppData\Local\Temp\37dd6fe30ecd67cfc661fa3581ea9388f5a87a16022227bd3a62a6bcb829ffb1.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\37dd6fe30ecd67cfc661fa3581ea9388f5a87a16022227bd3a62a6bcb829ffb1.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\37dd6fe30ecd67cfc661fa3581ea9388f5a87a16022227bd3a62a6bcb829ffb1.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\37dd6fe30ecd67cfc661fa3581ea9388f5a87a16022227bd3a62a6bcb829ffb1.exe

"C:\Users\Admin\AppData\Local\Temp\37dd6fe30ecd67cfc661fa3581ea9388f5a87a16022227bd3a62a6bcb829ffb1.exe"

Network

N/A

Files

memory/3068-2-0x0000000000220000-0x000000000024D000-memory.dmp

memory/3068-1-0x0000000000900000-0x0000000000A00000-memory.dmp

memory/3068-3-0x0000000000400000-0x0000000000807000-memory.dmp

memory/3068-5-0x0000000074AB0000-0x000000007519E000-memory.dmp

memory/3068-6-0x0000000004BD0000-0x0000000004C10000-memory.dmp

memory/3068-4-0x00000000003E0000-0x00000000003FA000-memory.dmp

memory/3068-7-0x0000000004BD0000-0x0000000004C10000-memory.dmp

memory/3068-8-0x00000000021F0000-0x0000000002208000-memory.dmp

memory/3068-9-0x00000000021F0000-0x0000000002202000-memory.dmp

memory/3068-10-0x00000000021F0000-0x0000000002202000-memory.dmp

memory/3068-12-0x00000000021F0000-0x0000000002202000-memory.dmp

memory/3068-14-0x00000000021F0000-0x0000000002202000-memory.dmp

memory/3068-16-0x00000000021F0000-0x0000000002202000-memory.dmp

memory/3068-18-0x00000000021F0000-0x0000000002202000-memory.dmp

memory/3068-20-0x00000000021F0000-0x0000000002202000-memory.dmp

memory/3068-28-0x00000000021F0000-0x0000000002202000-memory.dmp

memory/3068-30-0x00000000021F0000-0x0000000002202000-memory.dmp

memory/3068-26-0x00000000021F0000-0x0000000002202000-memory.dmp

memory/3068-24-0x00000000021F0000-0x0000000002202000-memory.dmp

memory/3068-22-0x00000000021F0000-0x0000000002202000-memory.dmp

memory/3068-32-0x00000000021F0000-0x0000000002202000-memory.dmp

memory/3068-34-0x00000000021F0000-0x0000000002202000-memory.dmp

memory/3068-36-0x00000000021F0000-0x0000000002202000-memory.dmp

memory/3068-38-0x0000000000400000-0x0000000000807000-memory.dmp

memory/3068-39-0x0000000074AB0000-0x000000007519E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-24 15:01

Reported

2024-04-24 15:03

Platform

win10v2004-20240412-en

Max time kernel

148s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\37dd6fe30ecd67cfc661fa3581ea9388f5a87a16022227bd3a62a6bcb829ffb1.exe"

Signatures

Detects Healer an antivirus disabler dropper

Description Indicator Process Target
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Healer

dropper healer

Modifies Windows Defender Real-time Protection settings

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" C:\Users\Admin\AppData\Local\Temp\37dd6fe30ecd67cfc661fa3581ea9388f5a87a16022227bd3a62a6bcb829ffb1.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\37dd6fe30ecd67cfc661fa3581ea9388f5a87a16022227bd3a62a6bcb829ffb1.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\37dd6fe30ecd67cfc661fa3581ea9388f5a87a16022227bd3a62a6bcb829ffb1.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\37dd6fe30ecd67cfc661fa3581ea9388f5a87a16022227bd3a62a6bcb829ffb1.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\37dd6fe30ecd67cfc661fa3581ea9388f5a87a16022227bd3a62a6bcb829ffb1.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\37dd6fe30ecd67cfc661fa3581ea9388f5a87a16022227bd3a62a6bcb829ffb1.exe N/A

Detects executables embedding registry key / value combination indicative of disabling Windows Defender features

Description Indicator Process Target
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Windows security modification

evasion trojan
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features C:\Users\Admin\AppData\Local\Temp\37dd6fe30ecd67cfc661fa3581ea9388f5a87a16022227bd3a62a6bcb829ffb1.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\37dd6fe30ecd67cfc661fa3581ea9388f5a87a16022227bd3a62a6bcb829ffb1.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\37dd6fe30ecd67cfc661fa3581ea9388f5a87a16022227bd3a62a6bcb829ffb1.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\37dd6fe30ecd67cfc661fa3581ea9388f5a87a16022227bd3a62a6bcb829ffb1.exe

"C:\Users\Admin\AppData\Local\Temp\37dd6fe30ecd67cfc661fa3581ea9388f5a87a16022227bd3a62a6bcb829ffb1.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3444 -ip 3444

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3444 -s 996

Network

Country Destination Domain Proto
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 240.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
NL 23.62.61.129:443 www.bing.com tcp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 129.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 198.32.209.4.in-addr.arpa udp
US 8.8.8.8:53 21.114.53.23.in-addr.arpa udp
US 20.231.121.79:80 tcp
US 8.8.8.8:53 156.33.209.4.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 17.143.109.104.in-addr.arpa udp
US 8.8.8.8:53 91.136.73.23.in-addr.arpa udp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 48.251.17.2.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.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
US 8.8.8.8:53 1.173.189.20.in-addr.arpa udp

Files

memory/3444-1-0x00000000009D0000-0x0000000000AD0000-memory.dmp

memory/3444-2-0x0000000002570000-0x000000000259D000-memory.dmp

memory/3444-3-0x0000000000400000-0x0000000000807000-memory.dmp

memory/3444-4-0x00000000026D0000-0x00000000026EA000-memory.dmp

memory/3444-5-0x00000000747F0000-0x0000000074FA0000-memory.dmp

memory/3444-6-0x0000000005140000-0x0000000005150000-memory.dmp

memory/3444-7-0x0000000005140000-0x0000000005150000-memory.dmp

memory/3444-8-0x0000000005150000-0x00000000056F4000-memory.dmp

memory/3444-9-0x0000000002BA0000-0x0000000002BB8000-memory.dmp

memory/3444-10-0x0000000002BA0000-0x0000000002BB2000-memory.dmp

memory/3444-11-0x0000000002BA0000-0x0000000002BB2000-memory.dmp

memory/3444-13-0x0000000002BA0000-0x0000000002BB2000-memory.dmp

memory/3444-15-0x0000000002BA0000-0x0000000002BB2000-memory.dmp

memory/3444-17-0x0000000002BA0000-0x0000000002BB2000-memory.dmp

memory/3444-19-0x0000000002BA0000-0x0000000002BB2000-memory.dmp

memory/3444-21-0x0000000002BA0000-0x0000000002BB2000-memory.dmp

memory/3444-25-0x0000000002BA0000-0x0000000002BB2000-memory.dmp

memory/3444-27-0x0000000002BA0000-0x0000000002BB2000-memory.dmp

memory/3444-23-0x0000000002BA0000-0x0000000002BB2000-memory.dmp

memory/3444-29-0x0000000002BA0000-0x0000000002BB2000-memory.dmp

memory/3444-31-0x0000000002BA0000-0x0000000002BB2000-memory.dmp

memory/3444-33-0x0000000002BA0000-0x0000000002BB2000-memory.dmp

memory/3444-35-0x0000000002BA0000-0x0000000002BB2000-memory.dmp

memory/3444-37-0x0000000002BA0000-0x0000000002BB2000-memory.dmp

memory/3444-38-0x0000000000400000-0x0000000000807000-memory.dmp

memory/3444-40-0x0000000000400000-0x0000000000807000-memory.dmp

memory/3444-41-0x00000000747F0000-0x0000000074FA0000-memory.dmp