Malware Analysis Report

2025-03-15 01:43

Sample ID 230910-kx6bcafh6t
Target fbca04734b90a5602dd684cd8208e4fe6c03d49d6ec3dcadc4632c7775320690
SHA256 fbca04734b90a5602dd684cd8208e4fe6c03d49d6ec3dcadc4632c7775320690
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

fbca04734b90a5602dd684cd8208e4fe6c03d49d6ec3dcadc4632c7775320690

Threat Level: Known bad

The file fbca04734b90a5602dd684cd8208e4fe6c03d49d6ec3dcadc4632c7775320690 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

Unsigned PE

Program crash

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-09-10 08:59

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-09-10 08:59

Reported

2023-09-10 09:02

Platform

win10v2004-20230831-en

Max time kernel

140s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fbca04734b90a5602dd684cd8208e4fe6c03d49d6ec3dcadc4632c7775320690.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
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
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

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_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\x9896359.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\x0344686.exe N/A
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\fbca04734b90a5602dd684cd8208e4fe6c03d49d6ec3dcadc4632c7775320690.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 4536 set thread context of 1248 N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g9776813.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 2956 wrote to memory of 244 N/A C:\Users\Admin\AppData\Local\Temp\fbca04734b90a5602dd684cd8208e4fe6c03d49d6ec3dcadc4632c7775320690.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x9896359.exe
PID 2956 wrote to memory of 244 N/A C:\Users\Admin\AppData\Local\Temp\fbca04734b90a5602dd684cd8208e4fe6c03d49d6ec3dcadc4632c7775320690.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x9896359.exe
PID 2956 wrote to memory of 244 N/A C:\Users\Admin\AppData\Local\Temp\fbca04734b90a5602dd684cd8208e4fe6c03d49d6ec3dcadc4632c7775320690.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x9896359.exe
PID 244 wrote to memory of 3228 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x9896359.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x0344686.exe
PID 244 wrote to memory of 3228 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x9896359.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x0344686.exe
PID 244 wrote to memory of 3228 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x9896359.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x0344686.exe
PID 3228 wrote to memory of 4536 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x0344686.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g9776813.exe
PID 3228 wrote to memory of 4536 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x0344686.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g9776813.exe
PID 3228 wrote to memory of 4536 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x0344686.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g9776813.exe
PID 4536 wrote to memory of 1248 N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g9776813.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4536 wrote to memory of 1248 N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g9776813.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4536 wrote to memory of 1248 N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g9776813.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4536 wrote to memory of 1248 N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g9776813.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4536 wrote to memory of 1248 N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g9776813.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4536 wrote to memory of 1248 N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g9776813.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4536 wrote to memory of 1248 N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g9776813.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4536 wrote to memory of 1248 N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g9776813.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 3228 wrote to memory of 2060 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x0344686.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i2803162.exe
PID 3228 wrote to memory of 2060 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x0344686.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i2803162.exe
PID 3228 wrote to memory of 2060 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x0344686.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i2803162.exe

Processes

C:\Users\Admin\AppData\Local\Temp\fbca04734b90a5602dd684cd8208e4fe6c03d49d6ec3dcadc4632c7775320690.exe

"C:\Users\Admin\AppData\Local\Temp\fbca04734b90a5602dd684cd8208e4fe6c03d49d6ec3dcadc4632c7775320690.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x9896359.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x9896359.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x0344686.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x0344686.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g9776813.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g9776813.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 4536 -ip 4536

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4536 -s 572

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i2803162.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i2803162.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 8.3.197.209.in-addr.arpa udp
US 8.8.8.8:53 17.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
FI 77.91.124.82:19071 tcp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
FI 77.91.124.82:19071 tcp
US 8.8.8.8:53 105.145.253.8.in-addr.arpa udp
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
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 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
FI 77.91.124.82:19071 tcp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
FI 77.91.124.82:19071 tcp
FI 77.91.124.82:19071 tcp
FI 77.91.124.82:19071 tcp
US 8.8.8.8:53 201.201.50.20.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x9896359.exe

MD5 e9006ea98a3cbbf003fa5f9cd5c70ea7
SHA1 a528ee67e61f0712b8a8101c21efd266fd7b2943
SHA256 60c0f38c267541092d2d3c1a2931d9aeb868351a24337da0512fadef48f9e03d
SHA512 7b87cc6c58d0180b56f45edbecad86c635f92f1b5cd38308316b335cb263f7b888592fdc69d7f490aec3e84589ddfdc019ebd7fe10a459c3b6a33d2afa293226

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x9896359.exe

MD5 e9006ea98a3cbbf003fa5f9cd5c70ea7
SHA1 a528ee67e61f0712b8a8101c21efd266fd7b2943
SHA256 60c0f38c267541092d2d3c1a2931d9aeb868351a24337da0512fadef48f9e03d
SHA512 7b87cc6c58d0180b56f45edbecad86c635f92f1b5cd38308316b335cb263f7b888592fdc69d7f490aec3e84589ddfdc019ebd7fe10a459c3b6a33d2afa293226

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x0344686.exe

MD5 5b5d2abfa17bec849265edaffee35beb
SHA1 f37cb880f57878c3c2fc50f825bc000ef95f7579
SHA256 ce826755b427587ddc470e1194226128bce98c2e5a078e0d71e1c060d6c0d9e0
SHA512 3b5293db427bc1d74b12a0fe4fb1919710790fd47bf24ef1f3ab2930a4c2991ee76efacb46fec1d424c7d65e7808b55fe83c3fdd2dd7a0f684294929c93618fb

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x0344686.exe

MD5 5b5d2abfa17bec849265edaffee35beb
SHA1 f37cb880f57878c3c2fc50f825bc000ef95f7579
SHA256 ce826755b427587ddc470e1194226128bce98c2e5a078e0d71e1c060d6c0d9e0
SHA512 3b5293db427bc1d74b12a0fe4fb1919710790fd47bf24ef1f3ab2930a4c2991ee76efacb46fec1d424c7d65e7808b55fe83c3fdd2dd7a0f684294929c93618fb

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g9776813.exe

MD5 cbaec6c342a6eff3140932f771c37a98
SHA1 2f638207194205801213846d81a8142719e0c6b6
SHA256 1ec65237dd8f36c3e59767664a860d229e8427bf8b8f78ad1a652d077fa5fa37
SHA512 dbca8d1a911f258576058921ded12d0858c6737fa4f6781bb26077d90e9bad4bea5ad281559b996e9f8d617c3cd79ac2ff15f8545fdacf4463308079a948c252

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g9776813.exe

MD5 cbaec6c342a6eff3140932f771c37a98
SHA1 2f638207194205801213846d81a8142719e0c6b6
SHA256 1ec65237dd8f36c3e59767664a860d229e8427bf8b8f78ad1a652d077fa5fa37
SHA512 dbca8d1a911f258576058921ded12d0858c6737fa4f6781bb26077d90e9bad4bea5ad281559b996e9f8d617c3cd79ac2ff15f8545fdacf4463308079a948c252

memory/1248-21-0x0000000000400000-0x000000000040A000-memory.dmp

memory/1248-22-0x00000000746E0000-0x0000000074E90000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i2803162.exe

MD5 1e8d8464e2b0bb17c2b29531f8c95e16
SHA1 916dcf404ff26bfe06fab8cf7290627395dad60b
SHA256 7101d8cc481da3eb079006bd2eae3e6442bf8710d1d80fa6b678bcfafe910059
SHA512 a71e93e4ce0200d435fb6f7f5aafc475ceedbc50a0aaec6acfd067701ffe91c38a0d5de9b1cf191f26b01a4232674d67ecfab18163489522d002fa965f5ea2f0

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i2803162.exe

MD5 1e8d8464e2b0bb17c2b29531f8c95e16
SHA1 916dcf404ff26bfe06fab8cf7290627395dad60b
SHA256 7101d8cc481da3eb079006bd2eae3e6442bf8710d1d80fa6b678bcfafe910059
SHA512 a71e93e4ce0200d435fb6f7f5aafc475ceedbc50a0aaec6acfd067701ffe91c38a0d5de9b1cf191f26b01a4232674d67ecfab18163489522d002fa965f5ea2f0

memory/2060-26-0x0000000000E90000-0x0000000000EC0000-memory.dmp

memory/2060-27-0x00000000746E0000-0x0000000074E90000-memory.dmp

memory/2060-28-0x0000000005F20000-0x0000000006538000-memory.dmp

memory/2060-29-0x0000000005A10000-0x0000000005B1A000-memory.dmp

memory/2060-31-0x00000000057F0000-0x0000000005800000-memory.dmp

memory/2060-30-0x0000000005720000-0x0000000005732000-memory.dmp

memory/2060-32-0x0000000005780000-0x00000000057BC000-memory.dmp

memory/1248-33-0x00000000746E0000-0x0000000074E90000-memory.dmp

memory/1248-35-0x00000000746E0000-0x0000000074E90000-memory.dmp

memory/2060-36-0x00000000746E0000-0x0000000074E90000-memory.dmp

memory/2060-37-0x00000000057F0000-0x0000000005800000-memory.dmp