Malware Analysis Report

2025-08-11 02:10

Sample ID 231003-dabd5afh7z
Target 84c1bc638f1d0b9b5e8b0b943e6bc8e299a3904fd8d2d9567a3cf1e7eeddf216
SHA256 84c1bc638f1d0b9b5e8b0b943e6bc8e299a3904fd8d2d9567a3cf1e7eeddf216
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

84c1bc638f1d0b9b5e8b0b943e6bc8e299a3904fd8d2d9567a3cf1e7eeddf216

Threat Level: Known bad

The file 84c1bc638f1d0b9b5e8b0b943e6bc8e299a3904fd8d2d9567a3cf1e7eeddf216 was found to be: Known bad.

Malicious Activity Summary

healer dropper evasion persistence trojan

Healer

Modifies Windows Defender Real-time Protection settings

Detects Healer an antivirus disabler dropper

Executes dropped EXE

Windows security modification

Adds Run key to start application

Suspicious use of SetThreadContext

Program crash

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

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

108s

Max time network

114s

Command Line

"C:\Users\Admin\AppData\Local\Temp\84c1bc638f1d0b9b5e8b0b943e6bc8e299a3904fd8d2d9567a3cf1e7eeddf216.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\IXP004.TMP\q3304731.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\q3304731.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\q3304731.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\q3304731.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\q3304731.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\IXP004.TMP\q3304731.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\84c1bc638f1d0b9b5e8b0b943e6bc8e299a3904fd8d2d9567a3cf1e7eeddf216.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\z6705299.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\z1942514.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\z3887886.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup4 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP004.TMP\\\"" C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\z6078848.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 304 set thread context of 4528 N/A C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\r3104028.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\IXP004.TMP\q3304731.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\q3304731.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\q3304731.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1512 wrote to memory of 3680 N/A C:\Users\Admin\AppData\Local\Temp\84c1bc638f1d0b9b5e8b0b943e6bc8e299a3904fd8d2d9567a3cf1e7eeddf216.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z6705299.exe
PID 1512 wrote to memory of 3680 N/A C:\Users\Admin\AppData\Local\Temp\84c1bc638f1d0b9b5e8b0b943e6bc8e299a3904fd8d2d9567a3cf1e7eeddf216.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z6705299.exe
PID 1512 wrote to memory of 3680 N/A C:\Users\Admin\AppData\Local\Temp\84c1bc638f1d0b9b5e8b0b943e6bc8e299a3904fd8d2d9567a3cf1e7eeddf216.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z6705299.exe
PID 3680 wrote to memory of 4412 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z6705299.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\z1942514.exe
PID 3680 wrote to memory of 4412 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z6705299.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\z1942514.exe
PID 3680 wrote to memory of 4412 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z6705299.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\z1942514.exe
PID 4412 wrote to memory of 208 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\z1942514.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\z3887886.exe
PID 4412 wrote to memory of 208 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\z1942514.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\z3887886.exe
PID 4412 wrote to memory of 208 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\z1942514.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\z3887886.exe
PID 208 wrote to memory of 4420 N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\z3887886.exe C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\z6078848.exe
PID 208 wrote to memory of 4420 N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\z3887886.exe C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\z6078848.exe
PID 208 wrote to memory of 4420 N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\z3887886.exe C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\z6078848.exe
PID 4420 wrote to memory of 2480 N/A C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\z6078848.exe C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\q3304731.exe
PID 4420 wrote to memory of 2480 N/A C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\z6078848.exe C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\q3304731.exe
PID 4420 wrote to memory of 304 N/A C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\z6078848.exe C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\r3104028.exe
PID 4420 wrote to memory of 304 N/A C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\z6078848.exe C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\r3104028.exe
PID 4420 wrote to memory of 304 N/A C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\z6078848.exe C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\r3104028.exe
PID 304 wrote to memory of 4528 N/A C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\r3104028.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 304 wrote to memory of 4528 N/A C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\r3104028.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 304 wrote to memory of 4528 N/A C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\r3104028.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 304 wrote to memory of 4528 N/A C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\r3104028.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 304 wrote to memory of 4528 N/A C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\r3104028.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 304 wrote to memory of 4528 N/A C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\r3104028.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 304 wrote to memory of 4528 N/A C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\r3104028.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 304 wrote to memory of 4528 N/A C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\r3104028.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 304 wrote to memory of 4528 N/A C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\r3104028.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 304 wrote to memory of 4528 N/A C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\r3104028.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe

Processes

C:\Users\Admin\AppData\Local\Temp\84c1bc638f1d0b9b5e8b0b943e6bc8e299a3904fd8d2d9567a3cf1e7eeddf216.exe

"C:\Users\Admin\AppData\Local\Temp\84c1bc638f1d0b9b5e8b0b943e6bc8e299a3904fd8d2d9567a3cf1e7eeddf216.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z6705299.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z6705299.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\z1942514.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\z1942514.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\z3887886.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\z3887886.exe

C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\z6078848.exe

C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\z6078848.exe

C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\q3304731.exe

C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\q3304731.exe

C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\r3104028.exe

C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\r3104028.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 304 -s 144

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4528 -s 188

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 4.173.189.20.in-addr.arpa udp
US 8.8.8.8:53 108.211.229.192.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z6705299.exe

MD5 8263fefe1621d74c53929234927f9a08
SHA1 80978b00097960e5af4807a9b6bdbd97cc106e88
SHA256 4a9d993706292a4e06ed6dde1770d5cf41c92eaaf333d043c5e63a1a29c2199d
SHA512 07f5c03e54d3a37d2841a3c46c47e0fb306fc2703e3faf76f8bf49c867133938d87aba7bbbd10574d76b617a8a0c8e395e701cb2c4e4270ee469035e0801b97f

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z6705299.exe

MD5 8263fefe1621d74c53929234927f9a08
SHA1 80978b00097960e5af4807a9b6bdbd97cc106e88
SHA256 4a9d993706292a4e06ed6dde1770d5cf41c92eaaf333d043c5e63a1a29c2199d
SHA512 07f5c03e54d3a37d2841a3c46c47e0fb306fc2703e3faf76f8bf49c867133938d87aba7bbbd10574d76b617a8a0c8e395e701cb2c4e4270ee469035e0801b97f

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\z1942514.exe

MD5 ede3d6d4cc7c9f625f878f7f8ef9de10
SHA1 b6cf3249e25e5180284f00318b73aee63d980d32
SHA256 d8e54133a3a9ebccc271b14b92068c9cb072c95bc51c522125aa7584f1d51eed
SHA512 f2fae03d247f0effa4979e9f5b4f9f785e99dcefd4130ee9c829573f7e0059b8921e78952304950f6634bfc5112cbbdc4b7af6b8dd3e17096dcb6f04849a1e3b

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\z1942514.exe

MD5 ede3d6d4cc7c9f625f878f7f8ef9de10
SHA1 b6cf3249e25e5180284f00318b73aee63d980d32
SHA256 d8e54133a3a9ebccc271b14b92068c9cb072c95bc51c522125aa7584f1d51eed
SHA512 f2fae03d247f0effa4979e9f5b4f9f785e99dcefd4130ee9c829573f7e0059b8921e78952304950f6634bfc5112cbbdc4b7af6b8dd3e17096dcb6f04849a1e3b

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\z3887886.exe

MD5 679f5bd90650edf350de34fe1fd1a3f1
SHA1 d95839d8ff4311a7fa5519ed4d5faf7c79aed178
SHA256 02a26f1cae81a0db0cf026f6f0347067077c507f058b4cde76cc91493bed64b5
SHA512 eec68ec06b7df178e8746c14d5461b855a2c9672923b2ce6288e28ccada90c030a23be77e816a3953e6e5f201ccb368ef57cdf34a5a80fa30076c6175f0639a5

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\z3887886.exe

MD5 679f5bd90650edf350de34fe1fd1a3f1
SHA1 d95839d8ff4311a7fa5519ed4d5faf7c79aed178
SHA256 02a26f1cae81a0db0cf026f6f0347067077c507f058b4cde76cc91493bed64b5
SHA512 eec68ec06b7df178e8746c14d5461b855a2c9672923b2ce6288e28ccada90c030a23be77e816a3953e6e5f201ccb368ef57cdf34a5a80fa30076c6175f0639a5

C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\z6078848.exe

MD5 9b1be164a12eb284f60f3c39ef8bf34b
SHA1 15cb4f7f59bb63019bc89b75d86f8fc21fdfcb8c
SHA256 8ab9f52716bb7673a5bc36a81aad2ad254361133e45c2e1e0ecdf4af1a44ffab
SHA512 89d55c68144cca21d1ac9a03172854bf186a5ab84e1b2f34c7c4bab54e599d8cd510be2fcd3b6360739023bf74a2332c7c0896efa5470da325d98a0e819b4f27

C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\z6078848.exe

MD5 9b1be164a12eb284f60f3c39ef8bf34b
SHA1 15cb4f7f59bb63019bc89b75d86f8fc21fdfcb8c
SHA256 8ab9f52716bb7673a5bc36a81aad2ad254361133e45c2e1e0ecdf4af1a44ffab
SHA512 89d55c68144cca21d1ac9a03172854bf186a5ab84e1b2f34c7c4bab54e599d8cd510be2fcd3b6360739023bf74a2332c7c0896efa5470da325d98a0e819b4f27

C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\q3304731.exe

MD5 8bf4acae7a7670bdea02fd826e7eb30a
SHA1 fa83e87c2d0efaf1ab4ab03c06b9bc065b950575
SHA256 4d0ec15e03b4960fdac0348c906333ec45e36f6d1b8bcdedaa26ee8db8bb7810
SHA512 bfeaab8cc9c9f05259158ed32fb998da78ec7ba367d52563274cb67a3afc87d32fbabba72addcb5328d8eb74b5e3bf5578cd05ba6045b256db32c2880c8a57bc

C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\q3304731.exe

MD5 8bf4acae7a7670bdea02fd826e7eb30a
SHA1 fa83e87c2d0efaf1ab4ab03c06b9bc065b950575
SHA256 4d0ec15e03b4960fdac0348c906333ec45e36f6d1b8bcdedaa26ee8db8bb7810
SHA512 bfeaab8cc9c9f05259158ed32fb998da78ec7ba367d52563274cb67a3afc87d32fbabba72addcb5328d8eb74b5e3bf5578cd05ba6045b256db32c2880c8a57bc

memory/2480-35-0x00000000004B0000-0x00000000004BA000-memory.dmp

memory/2480-36-0x00007FFB432D0000-0x00007FFB43CBC000-memory.dmp

memory/2480-38-0x00007FFB432D0000-0x00007FFB43CBC000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\r3104028.exe

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

C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\r3104028.exe

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

memory/4528-42-0x0000000000400000-0x0000000000428000-memory.dmp

memory/4528-45-0x0000000000400000-0x0000000000428000-memory.dmp

memory/4528-46-0x0000000000400000-0x0000000000428000-memory.dmp

memory/4528-48-0x0000000000400000-0x0000000000428000-memory.dmp