Malware Analysis Report

2024-12-07 12:50

Sample ID 241113-vjv9bswbme
Target 5d5040b6f8098e7007521aeef1559940bb2234ebd4de0935866f8c417c4eab0c.exe
SHA256 5d5040b6f8098e7007521aeef1559940bb2234ebd4de0935866f8c417c4eab0c
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

5d5040b6f8098e7007521aeef1559940bb2234ebd4de0935866f8c417c4eab0c

Threat Level: Known bad

The file 5d5040b6f8098e7007521aeef1559940bb2234ebd4de0935866f8c417c4eab0c.exe was found to be: Known bad.

Malicious Activity Summary

healer discovery dropper evasion persistence trojan

Detects Healer an antivirus disabler dropper

Modifies Windows Defender Real-time Protection settings

Healer family

Healer

Executes dropped EXE

Windows security modification

Adds Run key to start application

Unsigned PE

System Location Discovery: System Language Discovery

Program crash

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-13 17:01

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-13 17:01

Reported

2024-11-13 17:03

Platform

win10v2004-20241007-en

Max time kernel

95s

Max time network

100s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5d5040b6f8098e7007521aeef1559940bb2234ebd4de0935866f8c417c4eab0c.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\DisableIOAVProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b3449QO.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\b3449QO.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\b3449QO.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\c20qe81.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\c20qe81.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\c20qe81.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b3449QO.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\b3449QO.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\c20qe81.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\c20qe81.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\b3449QO.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c20qe81.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b3449QO.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c20qe81.exe N/A

Windows security modification

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c20qe81.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b3449QO.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c20qe81.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\5d5040b6f8098e7007521aeef1559940bb2234ebd4de0935866f8c417c4eab0c.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\5d5040b6f8098e7007521aeef1559940bb2234ebd4de0935866f8c417c4eab0c.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c20qe81.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b3449QO.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c20qe81.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\5d5040b6f8098e7007521aeef1559940bb2234ebd4de0935866f8c417c4eab0c.exe

"C:\Users\Admin\AppData\Local\Temp\5d5040b6f8098e7007521aeef1559940bb2234ebd4de0935866f8c417c4eab0c.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b3449QO.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b3449QO.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c20qe81.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c20qe81.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4664 -ip 4664

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4664 -s 1096

Network

Country Destination Domain Proto
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 101.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b3449QO.exe

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

memory/1960-7-0x00007FFD55933000-0x00007FFD55935000-memory.dmp

memory/1960-8-0x0000000000290000-0x000000000029A000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c20qe81.exe

MD5 73e75c38ae4a49b8db75437acf5ffcc1
SHA1 1e01eab64dc1326cb3ef96fad41f58abd44db2cf
SHA256 7ba7de1832ba129a983bf0551faef469522249e9c7dac96cc131c17503bb5bc6
SHA512 f664b8fda82ddfff920635ca1235c0a34f00a27bfca7fcd80eb63ceb3712e04ab1ec2ecb378d8164c1f9b7016bca7d29ea447260d05c99ad909af99b2453b346

memory/4664-14-0x00000000006D0000-0x00000000007D0000-memory.dmp

memory/4664-15-0x0000000000590000-0x00000000005BD000-memory.dmp

memory/4664-16-0x0000000000400000-0x0000000000430000-memory.dmp

memory/4664-17-0x0000000002350000-0x000000000236A000-memory.dmp

memory/4664-18-0x0000000004CB0000-0x0000000005254000-memory.dmp

memory/4664-19-0x00000000023E0000-0x00000000023F8000-memory.dmp

memory/4664-21-0x00000000023E0000-0x00000000023F2000-memory.dmp

memory/4664-47-0x00000000023E0000-0x00000000023F2000-memory.dmp

memory/4664-45-0x00000000023E0000-0x00000000023F2000-memory.dmp

memory/4664-43-0x00000000023E0000-0x00000000023F2000-memory.dmp

memory/4664-41-0x00000000023E0000-0x00000000023F2000-memory.dmp

memory/4664-39-0x00000000023E0000-0x00000000023F2000-memory.dmp

memory/4664-37-0x00000000023E0000-0x00000000023F2000-memory.dmp

memory/4664-35-0x00000000023E0000-0x00000000023F2000-memory.dmp

memory/4664-33-0x00000000023E0000-0x00000000023F2000-memory.dmp

memory/4664-31-0x00000000023E0000-0x00000000023F2000-memory.dmp

memory/4664-29-0x00000000023E0000-0x00000000023F2000-memory.dmp

memory/4664-27-0x00000000023E0000-0x00000000023F2000-memory.dmp

memory/4664-25-0x00000000023E0000-0x00000000023F2000-memory.dmp

memory/4664-23-0x00000000023E0000-0x00000000023F2000-memory.dmp

memory/4664-20-0x00000000023E0000-0x00000000023F2000-memory.dmp

memory/4664-48-0x00000000006D0000-0x00000000007D0000-memory.dmp

memory/4664-49-0x0000000000590000-0x00000000005BD000-memory.dmp

memory/4664-50-0x0000000000400000-0x00000000004BE000-memory.dmp

memory/4664-51-0x0000000000400000-0x0000000000430000-memory.dmp

memory/4664-53-0x0000000000400000-0x00000000004BE000-memory.dmp

memory/4664-54-0x0000000000400000-0x0000000000430000-memory.dmp