Malware Analysis Report

2024-10-16 03:50

Sample ID 240407-zn91haeb8z
Target 4cca68fe0b95cfb217d3c687c4e693de691b5da423cb3c23ba7ff455c74fe935
SHA256 4cca68fe0b95cfb217d3c687c4e693de691b5da423cb3c23ba7ff455c74fe935
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

4cca68fe0b95cfb217d3c687c4e693de691b5da423cb3c23ba7ff455c74fe935

Threat Level: Known bad

The file 4cca68fe0b95cfb217d3c687c4e693de691b5da423cb3c23ba7ff455c74fe935 was found to be: Known bad.

Malicious Activity Summary

healer dropper evasion trojan

Modifies Windows Defender Real-time Protection settings

Detects Healer an antivirus disabler dropper

Healer

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

Windows security modification

Launches sc.exe

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-07 20:53

Signatures

Unsigned PE

Description Indicator Process Target
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Analysis: behavioral1

Detonation Overview

Submitted

2024-04-07 20:53

Reported

2024-04-07 20:55

Platform

win7-20240221-en

Max time kernel

122s

Max time network

136s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4cca68fe0b95cfb217d3c687c4e693de691b5da423cb3c23ba7ff455c74fe935.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\DisableOnAccessProtection = "1" C:\Users\Admin\AppData\Local\Temp\4cca68fe0b95cfb217d3c687c4e693de691b5da423cb3c23ba7ff455c74fe935.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\4cca68fe0b95cfb217d3c687c4e693de691b5da423cb3c23ba7ff455c74fe935.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" C:\Users\Admin\AppData\Local\Temp\4cca68fe0b95cfb217d3c687c4e693de691b5da423cb3c23ba7ff455c74fe935.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\4cca68fe0b95cfb217d3c687c4e693de691b5da423cb3c23ba7ff455c74fe935.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\4cca68fe0b95cfb217d3c687c4e693de691b5da423cb3c23ba7ff455c74fe935.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" C:\Users\Admin\AppData\Local\Temp\4cca68fe0b95cfb217d3c687c4e693de691b5da423cb3c23ba7ff455c74fe935.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\4cca68fe0b95cfb217d3c687c4e693de691b5da423cb3c23ba7ff455c74fe935.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\4cca68fe0b95cfb217d3c687c4e693de691b5da423cb3c23ba7ff455c74fe935.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\4cca68fe0b95cfb217d3c687c4e693de691b5da423cb3c23ba7ff455c74fe935.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4cca68fe0b95cfb217d3c687c4e693de691b5da423cb3c23ba7ff455c74fe935.exe

"C:\Users\Admin\AppData\Local\Temp\4cca68fe0b95cfb217d3c687c4e693de691b5da423cb3c23ba7ff455c74fe935.exe"

Network

N/A

Files

memory/2012-1-0x0000000000930000-0x0000000000A30000-memory.dmp

memory/2012-2-0x0000000000220000-0x000000000024D000-memory.dmp

memory/2012-3-0x0000000000400000-0x0000000000802000-memory.dmp

memory/2012-5-0x0000000074C10000-0x00000000752FE000-memory.dmp

memory/2012-4-0x0000000000910000-0x000000000092A000-memory.dmp

memory/2012-6-0x0000000004BD0000-0x0000000004C10000-memory.dmp

memory/2012-7-0x0000000000B40000-0x0000000000B58000-memory.dmp

memory/2012-8-0x0000000000B40000-0x0000000000B52000-memory.dmp

memory/2012-9-0x0000000000B40000-0x0000000000B52000-memory.dmp

memory/2012-11-0x0000000000B40000-0x0000000000B52000-memory.dmp

memory/2012-33-0x0000000000B40000-0x0000000000B52000-memory.dmp

memory/2012-35-0x0000000000B40000-0x0000000000B52000-memory.dmp

memory/2012-31-0x0000000000B40000-0x0000000000B52000-memory.dmp

memory/2012-29-0x0000000000B40000-0x0000000000B52000-memory.dmp

memory/2012-27-0x0000000000B40000-0x0000000000B52000-memory.dmp

memory/2012-25-0x0000000000B40000-0x0000000000B52000-memory.dmp

memory/2012-23-0x0000000000B40000-0x0000000000B52000-memory.dmp

memory/2012-21-0x0000000000B40000-0x0000000000B52000-memory.dmp

memory/2012-19-0x0000000000B40000-0x0000000000B52000-memory.dmp

memory/2012-17-0x0000000000B40000-0x0000000000B52000-memory.dmp

memory/2012-15-0x0000000000B40000-0x0000000000B52000-memory.dmp

memory/2012-13-0x0000000000B40000-0x0000000000B52000-memory.dmp

memory/2012-36-0x0000000000400000-0x0000000000802000-memory.dmp

memory/2012-37-0x0000000000400000-0x0000000000802000-memory.dmp

memory/2012-38-0x0000000000220000-0x000000000024D000-memory.dmp

memory/2012-39-0x0000000074C10000-0x00000000752FE000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-07 20:53

Reported

2024-04-07 20:55

Platform

win10v2004-20240226-en

Max time kernel

148s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4cca68fe0b95cfb217d3c687c4e693de691b5da423cb3c23ba7ff455c74fe935.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\4cca68fe0b95cfb217d3c687c4e693de691b5da423cb3c23ba7ff455c74fe935.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\4cca68fe0b95cfb217d3c687c4e693de691b5da423cb3c23ba7ff455c74fe935.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\4cca68fe0b95cfb217d3c687c4e693de691b5da423cb3c23ba7ff455c74fe935.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\4cca68fe0b95cfb217d3c687c4e693de691b5da423cb3c23ba7ff455c74fe935.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\4cca68fe0b95cfb217d3c687c4e693de691b5da423cb3c23ba7ff455c74fe935.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\4cca68fe0b95cfb217d3c687c4e693de691b5da423cb3c23ba7ff455c74fe935.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\4cca68fe0b95cfb217d3c687c4e693de691b5da423cb3c23ba7ff455c74fe935.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\4cca68fe0b95cfb217d3c687c4e693de691b5da423cb3c23ba7ff455c74fe935.exe N/A

Launches sc.exe

Description Indicator Process Target
N/A N/A C:\Windows\system32\sc.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\4cca68fe0b95cfb217d3c687c4e693de691b5da423cb3c23ba7ff455c74fe935.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4cca68fe0b95cfb217d3c687c4e693de691b5da423cb3c23ba7ff455c74fe935.exe

"C:\Users\Admin\AppData\Local\Temp\4cca68fe0b95cfb217d3c687c4e693de691b5da423cb3c23ba7ff455c74fe935.exe"

C:\Windows\system32\sc.exe

C:\Windows\system32\sc.exe start wuauserv

Network

Country Destination Domain Proto
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 249.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 73.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 159.113.53.23.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 130.118.77.104.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 240.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 27.178.89.13.in-addr.arpa udp

Files

memory/4504-1-0x0000000000A20000-0x0000000000B20000-memory.dmp

memory/4504-2-0x00000000009B0000-0x00000000009DD000-memory.dmp

memory/4504-3-0x0000000000400000-0x0000000000802000-memory.dmp

memory/4504-4-0x00000000028B0000-0x00000000028CA000-memory.dmp

memory/4504-5-0x00000000745E0000-0x0000000074D90000-memory.dmp

memory/4504-7-0x00000000050E0000-0x00000000050F0000-memory.dmp

memory/4504-6-0x00000000050E0000-0x00000000050F0000-memory.dmp

memory/4504-9-0x0000000002B90000-0x0000000002BA8000-memory.dmp

memory/4504-8-0x00000000050F0000-0x0000000005694000-memory.dmp

memory/4504-13-0x0000000002B90000-0x0000000002BA2000-memory.dmp

memory/4504-15-0x0000000002B90000-0x0000000002BA2000-memory.dmp

memory/4504-19-0x0000000002B90000-0x0000000002BA2000-memory.dmp

memory/4504-17-0x0000000002B90000-0x0000000002BA2000-memory.dmp

memory/4504-31-0x0000000002B90000-0x0000000002BA2000-memory.dmp

memory/4504-29-0x0000000002B90000-0x0000000002BA2000-memory.dmp

memory/4504-27-0x0000000002B90000-0x0000000002BA2000-memory.dmp

memory/4504-25-0x0000000002B90000-0x0000000002BA2000-memory.dmp

memory/4504-37-0x0000000002B90000-0x0000000002BA2000-memory.dmp

memory/4504-35-0x0000000002B90000-0x0000000002BA2000-memory.dmp

memory/4504-33-0x0000000002B90000-0x0000000002BA2000-memory.dmp

memory/4504-23-0x0000000002B90000-0x0000000002BA2000-memory.dmp

memory/4504-21-0x0000000002B90000-0x0000000002BA2000-memory.dmp

memory/4504-11-0x0000000002B90000-0x0000000002BA2000-memory.dmp

memory/4504-10-0x0000000002B90000-0x0000000002BA2000-memory.dmp

memory/4504-38-0x0000000000400000-0x0000000000802000-memory.dmp

memory/4504-40-0x0000000000400000-0x0000000000802000-memory.dmp

memory/4504-41-0x00000000009B0000-0x00000000009DD000-memory.dmp

memory/4504-42-0x00000000745E0000-0x0000000074D90000-memory.dmp