Malware Analysis Report

2025-08-11 02:10

Sample ID 231003-dad51sfh71
Target cb86ac0718e455fc519269fc5b36823c514d89229e647581f36ec77646968ac2
SHA256 cb86ac0718e455fc519269fc5b36823c514d89229e647581f36ec77646968ac2
Tags
healer 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

cb86ac0718e455fc519269fc5b36823c514d89229e647581f36ec77646968ac2

Threat Level: Known bad

The file cb86ac0718e455fc519269fc5b36823c514d89229e647581f36ec77646968ac2 was found to be: Known bad.

Malicious Activity Summary

healer dropper evasion persistence trojan

Detects Healer an antivirus disabler dropper

Modifies Windows Defender Real-time Protection settings

Healer

Executes dropped EXE

Windows security modification

Adds Run key to start application

Suspicious use of SetThreadContext

Unsigned PE

Program crash

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-10-03 02:47

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-10-03 02:47

Reported

2023-10-03 02:50

Platform

win10-20230915-en

Max time kernel

126s

Max time network

131s

Command Line

"C:\Users\Admin\AppData\Local\Temp\cb86ac0718e455fc519269fc5b36823c514d89229e647581f36ec77646968ac2.exe"

Signatures

Detects Healer an antivirus disabler dropper

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

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\DisableBehaviorMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\1CH40xi7.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\1CH40xi7.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\1CH40xi7.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\1CH40xi7.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\1CH40xi7.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\IXP003.TMP\1CH40xi7.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\cb86ac0718e455fc519269fc5b36823c514d89229e647581f36ec77646968ac2.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup1 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP001.TMP\\\"" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\MG2Id04.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup2 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP002.TMP\\\"" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\KH8dw48.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup3 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP003.TMP\\\"" C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\jF0Rs23.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 4512 set thread context of 3264 N/A C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\2pd9440.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\1CH40xi7.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\1CH40xi7.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\1CH40xi7.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3536 wrote to memory of 432 N/A C:\Users\Admin\AppData\Local\Temp\cb86ac0718e455fc519269fc5b36823c514d89229e647581f36ec77646968ac2.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\MG2Id04.exe
PID 3536 wrote to memory of 432 N/A C:\Users\Admin\AppData\Local\Temp\cb86ac0718e455fc519269fc5b36823c514d89229e647581f36ec77646968ac2.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\MG2Id04.exe
PID 3536 wrote to memory of 432 N/A C:\Users\Admin\AppData\Local\Temp\cb86ac0718e455fc519269fc5b36823c514d89229e647581f36ec77646968ac2.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\MG2Id04.exe
PID 432 wrote to memory of 4200 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\MG2Id04.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\KH8dw48.exe
PID 432 wrote to memory of 4200 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\MG2Id04.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\KH8dw48.exe
PID 432 wrote to memory of 4200 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\MG2Id04.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\KH8dw48.exe
PID 4200 wrote to memory of 4136 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\KH8dw48.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\jF0Rs23.exe
PID 4200 wrote to memory of 4136 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\KH8dw48.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\jF0Rs23.exe
PID 4200 wrote to memory of 4136 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\KH8dw48.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\jF0Rs23.exe
PID 4136 wrote to memory of 1456 N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\jF0Rs23.exe C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\1CH40xi7.exe
PID 4136 wrote to memory of 1456 N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\jF0Rs23.exe C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\1CH40xi7.exe
PID 4136 wrote to memory of 4512 N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\jF0Rs23.exe C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\2pd9440.exe
PID 4136 wrote to memory of 4512 N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\jF0Rs23.exe C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\2pd9440.exe
PID 4136 wrote to memory of 4512 N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\jF0Rs23.exe C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\2pd9440.exe
PID 4512 wrote to memory of 3264 N/A C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\2pd9440.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4512 wrote to memory of 3264 N/A C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\2pd9440.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4512 wrote to memory of 3264 N/A C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\2pd9440.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4512 wrote to memory of 3264 N/A C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\2pd9440.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4512 wrote to memory of 3264 N/A C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\2pd9440.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4512 wrote to memory of 3264 N/A C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\2pd9440.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4512 wrote to memory of 3264 N/A C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\2pd9440.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4512 wrote to memory of 3264 N/A C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\2pd9440.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4512 wrote to memory of 3264 N/A C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\2pd9440.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4512 wrote to memory of 3264 N/A C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\2pd9440.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe

Processes

C:\Users\Admin\AppData\Local\Temp\cb86ac0718e455fc519269fc5b36823c514d89229e647581f36ec77646968ac2.exe

"C:\Users\Admin\AppData\Local\Temp\cb86ac0718e455fc519269fc5b36823c514d89229e647581f36ec77646968ac2.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\MG2Id04.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\MG2Id04.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\KH8dw48.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\KH8dw48.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\jF0Rs23.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\jF0Rs23.exe

C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\1CH40xi7.exe

C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\1CH40xi7.exe

C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\2pd9440.exe

C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\2pd9440.exe

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4512 -s 144

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3264 -s 568

Network

Country Destination Domain Proto
US 8.8.8.8:53 71.121.18.2.in-addr.arpa udp
US 8.8.8.8:53 198.111.78.13.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\MG2Id04.exe

MD5 a18a59472ef5a23065fa8e35db94f72b
SHA1 52c4b6e87e19d188a15033c1a62e65113fcb54ba
SHA256 fea897af36c12dc9006ddb48be91ded966e317045f75a0955d8a54702203fd6c
SHA512 83243060661600b03d2f8014b87c19887b44c1e84e78aa58cc49df01b909737f3551e5c22ef0a46c065072951a48b523dfd7f9a5228a97bb272161ccdeb1f7d6

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\MG2Id04.exe

MD5 a18a59472ef5a23065fa8e35db94f72b
SHA1 52c4b6e87e19d188a15033c1a62e65113fcb54ba
SHA256 fea897af36c12dc9006ddb48be91ded966e317045f75a0955d8a54702203fd6c
SHA512 83243060661600b03d2f8014b87c19887b44c1e84e78aa58cc49df01b909737f3551e5c22ef0a46c065072951a48b523dfd7f9a5228a97bb272161ccdeb1f7d6

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\KH8dw48.exe

MD5 cdd8c7e5d0c6b1f8d6afe949da97dba9
SHA1 16581a4d01cf789c05b4660ad9426b19af8336c6
SHA256 52fd498eccd92a1f0b8e49850ced8936f9a79f3a8ba6f224eb2513574fbe2513
SHA512 ad9edcf6778859e41d4aac71e185f05ea3edc60cbde8308d6fcf9efe9fd6472f3d787b86acaeaff7b92d60a5c610949a16c327bb0ae65c8de9d0e7edb80829d3

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\KH8dw48.exe

MD5 cdd8c7e5d0c6b1f8d6afe949da97dba9
SHA1 16581a4d01cf789c05b4660ad9426b19af8336c6
SHA256 52fd498eccd92a1f0b8e49850ced8936f9a79f3a8ba6f224eb2513574fbe2513
SHA512 ad9edcf6778859e41d4aac71e185f05ea3edc60cbde8308d6fcf9efe9fd6472f3d787b86acaeaff7b92d60a5c610949a16c327bb0ae65c8de9d0e7edb80829d3

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\jF0Rs23.exe

MD5 b95309501a72f46e20e91936a1957334
SHA1 c46572e1ab0e6e41a43d9437d6b697ee072eefbf
SHA256 4d30f21d36108ef89d318033d3970eee5da37b0445d7ea9c2cdf55b8bb6f163c
SHA512 f439335d3e5a64930d833ed0394187faf49090e97d43cba4944b9e00baa758060e83051317d8df83e0ba76999fd581d19b2757f65f8256cdc5f4eb82cc67721b

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\jF0Rs23.exe

MD5 b95309501a72f46e20e91936a1957334
SHA1 c46572e1ab0e6e41a43d9437d6b697ee072eefbf
SHA256 4d30f21d36108ef89d318033d3970eee5da37b0445d7ea9c2cdf55b8bb6f163c
SHA512 f439335d3e5a64930d833ed0394187faf49090e97d43cba4944b9e00baa758060e83051317d8df83e0ba76999fd581d19b2757f65f8256cdc5f4eb82cc67721b

C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\1CH40xi7.exe

MD5 cd76978a5992a7d6471f9952ef839ea9
SHA1 5fd4fe3e1e3099c535e983898a3e3714d85791d4
SHA256 c6e1ae1381d5c211ac0b6f6f496064f0e0bcd7576ebf4889d50a5dd3be8e7ac3
SHA512 adbb2b86a9a3c11f82c387be6572b504dc978112002e8c11c8aa0ad0807811a7dcaa9fc924ee7881754acc73495f6f327d486903bcf9e3eff73eb130d7536d71

C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\1CH40xi7.exe

MD5 cd76978a5992a7d6471f9952ef839ea9
SHA1 5fd4fe3e1e3099c535e983898a3e3714d85791d4
SHA256 c6e1ae1381d5c211ac0b6f6f496064f0e0bcd7576ebf4889d50a5dd3be8e7ac3
SHA512 adbb2b86a9a3c11f82c387be6572b504dc978112002e8c11c8aa0ad0807811a7dcaa9fc924ee7881754acc73495f6f327d486903bcf9e3eff73eb130d7536d71

memory/1456-28-0x00000000005D0000-0x00000000005DA000-memory.dmp

memory/1456-29-0x00007FFC56760000-0x00007FFC5714C000-memory.dmp

memory/1456-31-0x00007FFC56760000-0x00007FFC5714C000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\2pd9440.exe

MD5 310e97a368f24bef14fc8a3fd3e07220
SHA1 0dde0de270fe8d9a689ea903f5754b91bc79c2ed
SHA256 1f2eabc0b19e80f63942b7161a54bcae6bbc1ecf44aa2ca5427188b92a122807
SHA512 34263241f5c7c65144c99eaaa2643f3f236768dad699541c74051ac7eb2699d6f184b7e4e05cfeeffc0d8903e2f7a0cae59437832ad9dc06eff5f8b39ffe4ccf

C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\2pd9440.exe

MD5 310e97a368f24bef14fc8a3fd3e07220
SHA1 0dde0de270fe8d9a689ea903f5754b91bc79c2ed
SHA256 1f2eabc0b19e80f63942b7161a54bcae6bbc1ecf44aa2ca5427188b92a122807
SHA512 34263241f5c7c65144c99eaaa2643f3f236768dad699541c74051ac7eb2699d6f184b7e4e05cfeeffc0d8903e2f7a0cae59437832ad9dc06eff5f8b39ffe4ccf

memory/3264-35-0x0000000000400000-0x0000000000428000-memory.dmp

memory/3264-38-0x0000000000400000-0x0000000000428000-memory.dmp

memory/3264-39-0x0000000000400000-0x0000000000428000-memory.dmp

memory/3264-41-0x0000000000400000-0x0000000000428000-memory.dmp