Malware Analysis Report

2024-12-07 10:36

Sample ID 241113-xj7y8s1jem
Target 7595247fb897e578f5ecf05510a28c356065a8b20c4ab638f9fd0010cc949e16.exe
SHA256 7595247fb897e578f5ecf05510a28c356065a8b20c4ab638f9fd0010cc949e16
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

7595247fb897e578f5ecf05510a28c356065a8b20c4ab638f9fd0010cc949e16

Threat Level: Known bad

The file 7595247fb897e578f5ecf05510a28c356065a8b20c4ab638f9fd0010cc949e16.exe was found to be: Known bad.

Malicious Activity Summary

healer discovery dropper evasion persistence trojan

Modifies Windows Defender Real-time Protection settings

Detects Healer an antivirus disabler dropper

Healer

Healer family

Executes dropped EXE

Windows security modification

Adds Run key to start application

System Location Discovery: System Language Discovery

Program crash

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-13 18:54

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-13 18:54

Reported

2024-11-13 18:56

Platform

win10v2004-20241007-en

Max time kernel

96s

Max time network

98s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7595247fb897e578f5ecf05510a28c356065a8b20c4ab638f9fd0010cc949e16.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\DisableBehaviorMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\f7137CD.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\f7137CD.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\f7137CD.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\h28tU75.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\h28tU75.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\f7137CD.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\f7137CD.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\f7137CD.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\h28tU75.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\h28tU75.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\h28tU75.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\h28tU75.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\f7137CD.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\h28tU75.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\f7137CD.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\h28tU75.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\h28tU75.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\7595247fb897e578f5ecf05510a28c356065a8b20c4ab638f9fd0010cc949e16.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\7595247fb897e578f5ecf05510a28c356065a8b20c4ab638f9fd0010cc949e16.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\h28tU75.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\f7137CD.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\h28tU75.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\7595247fb897e578f5ecf05510a28c356065a8b20c4ab638f9fd0010cc949e16.exe

"C:\Users\Admin\AppData\Local\Temp\7595247fb897e578f5ecf05510a28c356065a8b20c4ab638f9fd0010cc949e16.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\f7137CD.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\f7137CD.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\h28tU75.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\h28tU75.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 532 -ip 532

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 532 -s 1084

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 71.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.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\f7137CD.exe

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

memory/1044-7-0x00007FFFD1473000-0x00007FFFD1475000-memory.dmp

memory/1044-8-0x0000000000670000-0x000000000067A000-memory.dmp

memory/1044-9-0x00007FFFD1473000-0x00007FFFD1475000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\h28tU75.exe

MD5 97abe4ad182808e2649a2a9165f9fc37
SHA1 ecb59cf355244bc40dbec975f763125ae05c354a
SHA256 8d21a174b2abc564b92b4d597b08c62011fa575ef69911c1b9bec6fa03472a5c
SHA512 5c865b7a75017f2ae38eaebbd55cc9246fa9cc71816e6361f238f690fc675e8ccddfd5a4d32c025c03541e07a77aa68cb968c9ad00245fbf29043d3332dc62b4

memory/532-15-0x0000000000980000-0x0000000000A80000-memory.dmp

memory/532-16-0x0000000000950000-0x000000000097D000-memory.dmp

memory/532-17-0x0000000000400000-0x0000000000430000-memory.dmp

memory/532-18-0x0000000002570000-0x000000000258A000-memory.dmp

memory/532-19-0x0000000005010000-0x00000000055B4000-memory.dmp

memory/532-20-0x0000000002760000-0x0000000002778000-memory.dmp

memory/532-21-0x0000000002760000-0x0000000002772000-memory.dmp

memory/532-28-0x0000000002760000-0x0000000002772000-memory.dmp

memory/532-48-0x0000000002760000-0x0000000002772000-memory.dmp

memory/532-46-0x0000000002760000-0x0000000002772000-memory.dmp

memory/532-44-0x0000000002760000-0x0000000002772000-memory.dmp

memory/532-42-0x0000000002760000-0x0000000002772000-memory.dmp

memory/532-40-0x0000000002760000-0x0000000002772000-memory.dmp

memory/532-38-0x0000000002760000-0x0000000002772000-memory.dmp

memory/532-36-0x0000000002760000-0x0000000002772000-memory.dmp

memory/532-34-0x0000000002760000-0x0000000002772000-memory.dmp

memory/532-32-0x0000000002760000-0x0000000002772000-memory.dmp

memory/532-30-0x0000000002760000-0x0000000002772000-memory.dmp

memory/532-26-0x0000000002760000-0x0000000002772000-memory.dmp

memory/532-24-0x0000000002760000-0x0000000002772000-memory.dmp

memory/532-22-0x0000000002760000-0x0000000002772000-memory.dmp

memory/532-49-0x0000000000980000-0x0000000000A80000-memory.dmp

memory/532-50-0x0000000000950000-0x000000000097D000-memory.dmp

memory/532-52-0x0000000000400000-0x0000000000430000-memory.dmp

memory/532-51-0x0000000000400000-0x0000000000830000-memory.dmp

memory/532-54-0x0000000000400000-0x0000000000830000-memory.dmp

memory/532-55-0x0000000000400000-0x0000000000430000-memory.dmp