Malware Analysis Report

2024-12-07 10:22

Sample ID 241113-v1chjswdrd
Target 05702e202b41e709e1b56f18541013b12e6c23c04888eca99a908b25ddcb55f3N.exe
SHA256 05702e202b41e709e1b56f18541013b12e6c23c04888eca99a908b25ddcb55f3
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

05702e202b41e709e1b56f18541013b12e6c23c04888eca99a908b25ddcb55f3

Threat Level: Known bad

The file 05702e202b41e709e1b56f18541013b12e6c23c04888eca99a908b25ddcb55f3N.exe was found to be: Known bad.

Malicious Activity Summary

healer discovery dropper evasion persistence trojan

Detects Healer an antivirus disabler dropper

Healer family

Modifies Windows Defender Real-time Protection settings

Healer

Windows security modification

Executes dropped EXE

Adds Run key to start application

System Location Discovery: System Language Discovery

Program crash

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-13 17:26

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-13 17:26

Reported

2024-11-13 17:29

Platform

win10v2004-20241007-en

Max time kernel

95s

Max time network

96s

Command Line

"C:\Users\Admin\AppData\Local\Temp\05702e202b41e709e1b56f18541013b12e6c23c04888eca99a908b25ddcb55f3N.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\az481778.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\az481778.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\az481778.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\bu645518.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\bu645518.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\bu645518.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\bu645518.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\az481778.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\az481778.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\az481778.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bu645518.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\bu645518.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\az481778.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bu645518.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\az481778.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bu645518.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bu645518.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\05702e202b41e709e1b56f18541013b12e6c23c04888eca99a908b25ddcb55f3N.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\05702e202b41e709e1b56f18541013b12e6c23c04888eca99a908b25ddcb55f3N.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bu645518.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\az481778.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bu645518.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\05702e202b41e709e1b56f18541013b12e6c23c04888eca99a908b25ddcb55f3N.exe

"C:\Users\Admin\AppData\Local\Temp\05702e202b41e709e1b56f18541013b12e6c23c04888eca99a908b25ddcb55f3N.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\az481778.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\az481778.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bu645518.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bu645518.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 368 -ip 368

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 368 -s 1020

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 66.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 22.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 75.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\az481778.exe

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

memory/2012-7-0x00007FFBACCB3000-0x00007FFBACCB5000-memory.dmp

memory/2012-8-0x0000000000970000-0x000000000097A000-memory.dmp

memory/2012-9-0x00007FFBACCB3000-0x00007FFBACCB5000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bu645518.exe

MD5 5bb0f7b4cb39ab789eb92ba9ad1ca5ee
SHA1 7bff7c627e0857d141076187741e1143877f25f6
SHA256 be16e74450302ab60a87f40b6b95662083c76b90c3c4038647abdc0362a63dd5
SHA512 9e3a0577031b6d34dd132dd4dd2e74be026c102cc81b122f598114ecec5bd7ac8c643fd559ef3a58b0c048e38fc704c09c02d2ce2b8781cd898ff22368e4a813

memory/368-15-0x00000000005B0000-0x00000000006B0000-memory.dmp

memory/368-16-0x00000000004C0000-0x00000000004ED000-memory.dmp

memory/368-17-0x0000000000400000-0x0000000000430000-memory.dmp

memory/368-18-0x0000000002350000-0x000000000236A000-memory.dmp

memory/368-19-0x0000000004B60000-0x0000000005104000-memory.dmp

memory/368-20-0x0000000004A50000-0x0000000004A68000-memory.dmp

memory/368-21-0x0000000004A50000-0x0000000004A62000-memory.dmp

memory/368-48-0x0000000004A50000-0x0000000004A62000-memory.dmp

memory/368-46-0x0000000004A50000-0x0000000004A62000-memory.dmp

memory/368-44-0x0000000004A50000-0x0000000004A62000-memory.dmp

memory/368-42-0x0000000004A50000-0x0000000004A62000-memory.dmp

memory/368-40-0x0000000004A50000-0x0000000004A62000-memory.dmp

memory/368-38-0x0000000004A50000-0x0000000004A62000-memory.dmp

memory/368-36-0x0000000004A50000-0x0000000004A62000-memory.dmp

memory/368-34-0x0000000004A50000-0x0000000004A62000-memory.dmp

memory/368-32-0x0000000004A50000-0x0000000004A62000-memory.dmp

memory/368-30-0x0000000004A50000-0x0000000004A62000-memory.dmp

memory/368-28-0x0000000004A50000-0x0000000004A62000-memory.dmp

memory/368-26-0x0000000004A50000-0x0000000004A62000-memory.dmp

memory/368-24-0x0000000004A50000-0x0000000004A62000-memory.dmp

memory/368-22-0x0000000004A50000-0x0000000004A62000-memory.dmp

memory/368-49-0x00000000005B0000-0x00000000006B0000-memory.dmp

memory/368-50-0x00000000004C0000-0x00000000004ED000-memory.dmp

memory/368-51-0x0000000000400000-0x00000000004B1000-memory.dmp

memory/368-52-0x0000000000400000-0x0000000000430000-memory.dmp

memory/368-54-0x0000000000400000-0x00000000004B1000-memory.dmp

memory/368-55-0x0000000000400000-0x0000000000430000-memory.dmp