Malware Analysis Report

2024-10-16 03:50

Sample ID 240422-dtmw9seg88
Target cac39c240d4505de246ff2ed9ababc80452585ad6cffd5e6a4382cf151660b0a
SHA256 cac39c240d4505de246ff2ed9ababc80452585ad6cffd5e6a4382cf151660b0a
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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

cac39c240d4505de246ff2ed9ababc80452585ad6cffd5e6a4382cf151660b0a

Threat Level: Known bad

The file cac39c240d4505de246ff2ed9ababc80452585ad6cffd5e6a4382cf151660b0a was found to be: Known bad.

Malicious Activity Summary

healer dropper evasion trojan

Detects Healer an antivirus disabler dropper

Healer

Modifies Windows Defender Real-time Protection settings

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

2024-04-22 03:18

Signatures

Unsigned PE

Description Indicator Process Target
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Analysis: behavioral2

Detonation Overview

Submitted

2024-04-22 03:18

Reported

2024-04-22 03:20

Platform

win10v2004-20240226-en

Max time kernel

141s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\cac39c240d4505de246ff2ed9ababc80452585ad6cffd5e6a4382cf151660b0a.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\DisableOnAccessProtection = "1" C:\Users\Admin\AppData\Local\Temp\cac39c240d4505de246ff2ed9ababc80452585ad6cffd5e6a4382cf151660b0a.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\cac39c240d4505de246ff2ed9ababc80452585ad6cffd5e6a4382cf151660b0a.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\cac39c240d4505de246ff2ed9ababc80452585ad6cffd5e6a4382cf151660b0a.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\cac39c240d4505de246ff2ed9ababc80452585ad6cffd5e6a4382cf151660b0a.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\cac39c240d4505de246ff2ed9ababc80452585ad6cffd5e6a4382cf151660b0a.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\cac39c240d4505de246ff2ed9ababc80452585ad6cffd5e6a4382cf151660b0a.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\cac39c240d4505de246ff2ed9ababc80452585ad6cffd5e6a4382cf151660b0a.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\cac39c240d4505de246ff2ed9ababc80452585ad6cffd5e6a4382cf151660b0a.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\cac39c240d4505de246ff2ed9ababc80452585ad6cffd5e6a4382cf151660b0a.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\cac39c240d4505de246ff2ed9ababc80452585ad6cffd5e6a4382cf151660b0a.exe

"C:\Users\Admin\AppData\Local\Temp\cac39c240d4505de246ff2ed9ababc80452585ad6cffd5e6a4382cf151660b0a.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2368 -ip 2368

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2368 -s 932

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3720 --field-trial-handle=2252,i,16504368816373493055,9578615028378602855,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 98.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 4.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 13.107.253.64:443 tcp
US 8.8.8.8:53 159.113.53.23.in-addr.arpa udp
US 8.8.8.8:53 65.139.73.23.in-addr.arpa udp
US 8.8.8.8:53 79.121.231.20.in-addr.arpa udp
US 8.8.8.8:53 240.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 11.173.189.20.in-addr.arpa udp

Files

memory/2368-1-0x0000000000950000-0x0000000000A50000-memory.dmp

memory/2368-2-0x0000000000890000-0x00000000008BD000-memory.dmp

memory/2368-3-0x0000000000400000-0x000000000080A000-memory.dmp

memory/2368-4-0x0000000074A40000-0x00000000751F0000-memory.dmp

memory/2368-5-0x0000000004FA0000-0x0000000004FB0000-memory.dmp

memory/2368-6-0x00000000026F0000-0x000000000270A000-memory.dmp

memory/2368-7-0x0000000004FA0000-0x0000000004FB0000-memory.dmp

memory/2368-8-0x0000000004FB0000-0x0000000005554000-memory.dmp

memory/2368-9-0x0000000004EE0000-0x0000000004EF8000-memory.dmp

memory/2368-13-0x0000000004EE0000-0x0000000004EF2000-memory.dmp

memory/2368-25-0x0000000004EE0000-0x0000000004EF2000-memory.dmp

memory/2368-33-0x0000000004EE0000-0x0000000004EF2000-memory.dmp

memory/2368-37-0x0000000004EE0000-0x0000000004EF2000-memory.dmp

memory/2368-35-0x0000000004EE0000-0x0000000004EF2000-memory.dmp

memory/2368-31-0x0000000004EE0000-0x0000000004EF2000-memory.dmp

memory/2368-29-0x0000000004EE0000-0x0000000004EF2000-memory.dmp

memory/2368-27-0x0000000004EE0000-0x0000000004EF2000-memory.dmp

memory/2368-23-0x0000000004EE0000-0x0000000004EF2000-memory.dmp

memory/2368-38-0x0000000000400000-0x000000000080A000-memory.dmp

memory/2368-21-0x0000000004EE0000-0x0000000004EF2000-memory.dmp

memory/2368-19-0x0000000004EE0000-0x0000000004EF2000-memory.dmp

memory/2368-17-0x0000000004EE0000-0x0000000004EF2000-memory.dmp

memory/2368-15-0x0000000004EE0000-0x0000000004EF2000-memory.dmp

memory/2368-11-0x0000000004EE0000-0x0000000004EF2000-memory.dmp

memory/2368-10-0x0000000004EE0000-0x0000000004EF2000-memory.dmp

memory/2368-39-0x0000000000950000-0x0000000000A50000-memory.dmp

memory/2368-40-0x0000000000890000-0x00000000008BD000-memory.dmp

memory/2368-43-0x0000000000400000-0x000000000080A000-memory.dmp

memory/2368-44-0x0000000074A40000-0x00000000751F0000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-22 03:18

Reported

2024-04-22 03:20

Platform

win7-20240220-en

Max time kernel

119s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\cac39c240d4505de246ff2ed9ababc80452585ad6cffd5e6a4382cf151660b0a.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
Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\cac39c240d4505de246ff2ed9ababc80452585ad6cffd5e6a4382cf151660b0a.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\cac39c240d4505de246ff2ed9ababc80452585ad6cffd5e6a4382cf151660b0a.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" C:\Users\Admin\AppData\Local\Temp\cac39c240d4505de246ff2ed9ababc80452585ad6cffd5e6a4382cf151660b0a.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" C:\Users\Admin\AppData\Local\Temp\cac39c240d4505de246ff2ed9ababc80452585ad6cffd5e6a4382cf151660b0a.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\cac39c240d4505de246ff2ed9ababc80452585ad6cffd5e6a4382cf151660b0a.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" C:\Users\Admin\AppData\Local\Temp\cac39c240d4505de246ff2ed9ababc80452585ad6cffd5e6a4382cf151660b0a.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\cac39c240d4505de246ff2ed9ababc80452585ad6cffd5e6a4382cf151660b0a.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\cac39c240d4505de246ff2ed9ababc80452585ad6cffd5e6a4382cf151660b0a.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\cac39c240d4505de246ff2ed9ababc80452585ad6cffd5e6a4382cf151660b0a.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\cac39c240d4505de246ff2ed9ababc80452585ad6cffd5e6a4382cf151660b0a.exe

"C:\Users\Admin\AppData\Local\Temp\cac39c240d4505de246ff2ed9ababc80452585ad6cffd5e6a4382cf151660b0a.exe"

Network

N/A

Files

memory/2468-1-0x00000000009B0000-0x0000000000AB0000-memory.dmp

memory/2468-2-0x0000000000220000-0x000000000024D000-memory.dmp

memory/2468-3-0x0000000000400000-0x000000000080A000-memory.dmp

memory/2468-6-0x0000000004C70000-0x0000000004CB0000-memory.dmp

memory/2468-5-0x0000000000310000-0x000000000032A000-memory.dmp

memory/2468-4-0x0000000074540000-0x0000000074C2E000-memory.dmp

memory/2468-7-0x0000000004C70000-0x0000000004CB0000-memory.dmp

memory/2468-8-0x00000000003E0000-0x00000000003F8000-memory.dmp

memory/2468-36-0x00000000003E0000-0x00000000003F2000-memory.dmp

memory/2468-34-0x00000000003E0000-0x00000000003F2000-memory.dmp

memory/2468-32-0x00000000003E0000-0x00000000003F2000-memory.dmp

memory/2468-30-0x00000000003E0000-0x00000000003F2000-memory.dmp

memory/2468-28-0x00000000003E0000-0x00000000003F2000-memory.dmp

memory/2468-26-0x00000000003E0000-0x00000000003F2000-memory.dmp

memory/2468-24-0x00000000003E0000-0x00000000003F2000-memory.dmp

memory/2468-22-0x00000000003E0000-0x00000000003F2000-memory.dmp

memory/2468-20-0x00000000003E0000-0x00000000003F2000-memory.dmp

memory/2468-18-0x00000000003E0000-0x00000000003F2000-memory.dmp

memory/2468-16-0x00000000003E0000-0x00000000003F2000-memory.dmp

memory/2468-14-0x00000000003E0000-0x00000000003F2000-memory.dmp

memory/2468-12-0x00000000003E0000-0x00000000003F2000-memory.dmp

memory/2468-10-0x00000000003E0000-0x00000000003F2000-memory.dmp

memory/2468-9-0x00000000003E0000-0x00000000003F2000-memory.dmp

memory/2468-37-0x0000000000400000-0x000000000080A000-memory.dmp

memory/2468-38-0x0000000074540000-0x0000000074C2E000-memory.dmp