Malware Analysis Report

2025-03-15 01:45

Sample ID 230910-sh6bssaa27
Target bd4590019a8bc135962c18a5388c5e3c316f8a41a69eae1e1cc9c5c84e5155a1
SHA256 bd4590019a8bc135962c18a5388c5e3c316f8a41a69eae1e1cc9c5c84e5155a1
Tags
healer redline virad dropper evasion infostealer 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

bd4590019a8bc135962c18a5388c5e3c316f8a41a69eae1e1cc9c5c84e5155a1

Threat Level: Known bad

The file bd4590019a8bc135962c18a5388c5e3c316f8a41a69eae1e1cc9c5c84e5155a1 was found to be: Known bad.

Malicious Activity Summary

healer redline virad dropper evasion infostealer persistence trojan

Detects Healer an antivirus disabler dropper

Healer

Modifies Windows Defender Real-time Protection settings

RedLine

Executes dropped EXE

Adds Run key to start application

Suspicious use of SetThreadContext

Program crash

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-09-10 15:08

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-09-10 15:08

Reported

2023-09-10 15:11

Platform

win10v2004-20230831-en

Max time kernel

147s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\bd4590019a8bc135962c18a5388c5e3c316f8a41a69eae1e1cc9c5c84e5155a1.exe"

Signatures

Detects Healer an antivirus disabler dropper

Description Indicator Process Target
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\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A

RedLine

infostealer redline

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\bd4590019a8bc135962c18a5388c5e3c316f8a41a69eae1e1cc9c5c84e5155a1.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\x6339940.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\x1824249.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 3744 set thread context of 1692 N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g6859236.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2656 wrote to memory of 3816 N/A C:\Users\Admin\AppData\Local\Temp\bd4590019a8bc135962c18a5388c5e3c316f8a41a69eae1e1cc9c5c84e5155a1.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x6339940.exe
PID 2656 wrote to memory of 3816 N/A C:\Users\Admin\AppData\Local\Temp\bd4590019a8bc135962c18a5388c5e3c316f8a41a69eae1e1cc9c5c84e5155a1.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x6339940.exe
PID 2656 wrote to memory of 3816 N/A C:\Users\Admin\AppData\Local\Temp\bd4590019a8bc135962c18a5388c5e3c316f8a41a69eae1e1cc9c5c84e5155a1.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x6339940.exe
PID 3816 wrote to memory of 3316 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x6339940.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x1824249.exe
PID 3816 wrote to memory of 3316 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x6339940.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x1824249.exe
PID 3816 wrote to memory of 3316 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x6339940.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x1824249.exe
PID 3316 wrote to memory of 3744 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x1824249.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g6859236.exe
PID 3316 wrote to memory of 3744 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x1824249.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g6859236.exe
PID 3316 wrote to memory of 3744 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x1824249.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g6859236.exe
PID 3744 wrote to memory of 1692 N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g6859236.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 3744 wrote to memory of 1692 N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g6859236.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 3744 wrote to memory of 1692 N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g6859236.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 3744 wrote to memory of 1692 N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g6859236.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 3744 wrote to memory of 1692 N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g6859236.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 3744 wrote to memory of 1692 N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g6859236.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 3744 wrote to memory of 1692 N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g6859236.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 3744 wrote to memory of 1692 N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g6859236.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 3316 wrote to memory of 3280 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x1824249.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i5273536.exe
PID 3316 wrote to memory of 3280 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x1824249.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i5273536.exe
PID 3316 wrote to memory of 3280 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x1824249.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i5273536.exe

Processes

C:\Users\Admin\AppData\Local\Temp\bd4590019a8bc135962c18a5388c5e3c316f8a41a69eae1e1cc9c5c84e5155a1.exe

"C:\Users\Admin\AppData\Local\Temp\bd4590019a8bc135962c18a5388c5e3c316f8a41a69eae1e1cc9c5c84e5155a1.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x6339940.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x6339940.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x1824249.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x1824249.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g6859236.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g6859236.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 -pss -s 456 -p 3744 -ip 3744

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3744 -s 568

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i5273536.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i5273536.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 68.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 126.22.238.8.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
FI 77.91.124.82:19071 tcp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 254.7.248.8.in-addr.arpa udp
FI 77.91.124.82:19071 tcp
FI 77.91.124.82:19071 tcp
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
FI 77.91.124.82:19071 tcp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
FI 77.91.124.82:19071 tcp
US 8.8.8.8:53 169.117.168.52.in-addr.arpa udp
FI 77.91.124.82:19071 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x6339940.exe

MD5 88bc3ec68588f974cb31cf00152dc3e4
SHA1 067d42b7eeaaccf6b02889f7061bc7d7e76d1f0b
SHA256 c159b2d6c5b07308a59537f9333b0cf099f236511bfb0470d10cbf43eb91b233
SHA512 4fd6886ad74638faa2ed1b2e6fac812918bbd8ccb2e9561ef2fbf9422555c2e4d7ab5b2f14eaca7b5ab113060f91f493873002188b068def569a16ab99b88aac

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x6339940.exe

MD5 88bc3ec68588f974cb31cf00152dc3e4
SHA1 067d42b7eeaaccf6b02889f7061bc7d7e76d1f0b
SHA256 c159b2d6c5b07308a59537f9333b0cf099f236511bfb0470d10cbf43eb91b233
SHA512 4fd6886ad74638faa2ed1b2e6fac812918bbd8ccb2e9561ef2fbf9422555c2e4d7ab5b2f14eaca7b5ab113060f91f493873002188b068def569a16ab99b88aac

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x1824249.exe

MD5 81ba8551506158ae3eb1aced9b4a7e32
SHA1 59534adf6a0e490ac77e4797f41270004df3d4e2
SHA256 93440169d531ad9946983e179bda61bd9b153485fd937df96777f370bd6a22cd
SHA512 2ff29056480fde2de2961f91295fef5bc7d29c89496c6f316ada5ebe34159041c7b9e14b5212bec7e7153952f93c748b71603a0acfb0262d792a280c5c8dd99a

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x1824249.exe

MD5 81ba8551506158ae3eb1aced9b4a7e32
SHA1 59534adf6a0e490ac77e4797f41270004df3d4e2
SHA256 93440169d531ad9946983e179bda61bd9b153485fd937df96777f370bd6a22cd
SHA512 2ff29056480fde2de2961f91295fef5bc7d29c89496c6f316ada5ebe34159041c7b9e14b5212bec7e7153952f93c748b71603a0acfb0262d792a280c5c8dd99a

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g6859236.exe

MD5 e4df0065784e44ae0707c2a41ca86a47
SHA1 c6e6c47fb4b2eb1fd0d0588a61d6eb5e3756b975
SHA256 99fe7e716c7ad5a7d77f4e98ecde44e9db6d963eace9dcc48bc95e2bab6944b5
SHA512 ddd6059f54bdea3e4070ef704dea6cb5a8c3e8739c4b3c0063760b411a94741f8d0593b45e485882f4617cb5dcfd54911fd0fe485e668d449a418d230a6dbb28

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g6859236.exe

MD5 e4df0065784e44ae0707c2a41ca86a47
SHA1 c6e6c47fb4b2eb1fd0d0588a61d6eb5e3756b975
SHA256 99fe7e716c7ad5a7d77f4e98ecde44e9db6d963eace9dcc48bc95e2bab6944b5
SHA512 ddd6059f54bdea3e4070ef704dea6cb5a8c3e8739c4b3c0063760b411a94741f8d0593b45e485882f4617cb5dcfd54911fd0fe485e668d449a418d230a6dbb28

memory/1692-21-0x0000000000400000-0x000000000040A000-memory.dmp

memory/1692-22-0x0000000074800000-0x0000000074FB0000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i5273536.exe

MD5 6f8538d6a45e560575ae8be8d8641f90
SHA1 14e38e59f093577b5c94fdb8e68f123c98fcccf6
SHA256 b5b0a5b8a27077826cab3220834b11166e7a7d9cbb1514b769673339118ce5c7
SHA512 0119e350e42af7550703ab37ac8374c853f56ca8c848c355a29e5426a691c1b36fcb99fe81eb220c8ec247d5c88cc19d958aa7abe2c34dee8b52e8dae98bfba2

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i5273536.exe

MD5 6f8538d6a45e560575ae8be8d8641f90
SHA1 14e38e59f093577b5c94fdb8e68f123c98fcccf6
SHA256 b5b0a5b8a27077826cab3220834b11166e7a7d9cbb1514b769673339118ce5c7
SHA512 0119e350e42af7550703ab37ac8374c853f56ca8c848c355a29e5426a691c1b36fcb99fe81eb220c8ec247d5c88cc19d958aa7abe2c34dee8b52e8dae98bfba2

memory/3280-26-0x0000000000C60000-0x0000000000C90000-memory.dmp

memory/3280-27-0x0000000074800000-0x0000000074FB0000-memory.dmp

memory/3280-28-0x0000000005C20000-0x0000000006238000-memory.dmp

memory/3280-29-0x0000000005710000-0x000000000581A000-memory.dmp

memory/3280-30-0x00000000054F0000-0x0000000005500000-memory.dmp

memory/3280-31-0x0000000005600000-0x0000000005612000-memory.dmp

memory/3280-32-0x0000000005660000-0x000000000569C000-memory.dmp

memory/1692-33-0x0000000074800000-0x0000000074FB0000-memory.dmp

memory/3280-35-0x0000000074800000-0x0000000074FB0000-memory.dmp

memory/1692-36-0x0000000074800000-0x0000000074FB0000-memory.dmp

memory/3280-37-0x00000000054F0000-0x0000000005500000-memory.dmp