Malware Analysis Report

2025-05-28 18:49

Sample ID 241110-d9cq8syfkm
Target bc3737f0a31054c55cf897cf6f283ab636e12575ba809801a5b152b3134b5a38
SHA256 bc3737f0a31054c55cf897cf6f283ab636e12575ba809801a5b152b3134b5a38
Tags
healer redline mofun discovery 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

bc3737f0a31054c55cf897cf6f283ab636e12575ba809801a5b152b3134b5a38

Threat Level: Known bad

The file bc3737f0a31054c55cf897cf6f283ab636e12575ba809801a5b152b3134b5a38 was found to be: Known bad.

Malicious Activity Summary

healer redline mofun discovery dropper evasion infostealer persistence trojan

RedLine

RedLine payload

Detects Healer an antivirus disabler dropper

Healer family

Redline family

Modifies Windows Defender Real-time Protection settings

Healer

Executes dropped EXE

Windows security modification

Adds Run key to start application

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-10 03:42

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 03:42

Reported

2024-11-10 03:44

Platform

win10v2004-20241007-en

Max time kernel

142s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\bc3737f0a31054c55cf897cf6f283ab636e12575ba809801a5b152b3134b5a38.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\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a7905071.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\IXP001.TMP\a7905071.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a7905071.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\IXP001.TMP\a7905071.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\IXP001.TMP\a7905071.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\IXP001.TMP\a7905071.exe N/A

RedLine

infostealer redline

RedLine payload

Description Indicator Process Target
N/A N/A N/A N/A
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Redline family

redline

Windows security modification

evasion trojan
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a7905071.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a7905071.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\bc3737f0a31054c55cf897cf6f283ab636e12575ba809801a5b152b3134b5a38.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\v3346885.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\bc3737f0a31054c55cf897cf6f283ab636e12575ba809801a5b152b3134b5a38.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v3346885.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a7905071.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b2544887.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a7905071.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a7905071.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a7905071.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1148 wrote to memory of 5000 N/A C:\Users\Admin\AppData\Local\Temp\bc3737f0a31054c55cf897cf6f283ab636e12575ba809801a5b152b3134b5a38.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v3346885.exe
PID 1148 wrote to memory of 5000 N/A C:\Users\Admin\AppData\Local\Temp\bc3737f0a31054c55cf897cf6f283ab636e12575ba809801a5b152b3134b5a38.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v3346885.exe
PID 1148 wrote to memory of 5000 N/A C:\Users\Admin\AppData\Local\Temp\bc3737f0a31054c55cf897cf6f283ab636e12575ba809801a5b152b3134b5a38.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v3346885.exe
PID 5000 wrote to memory of 2560 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v3346885.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a7905071.exe
PID 5000 wrote to memory of 2560 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v3346885.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a7905071.exe
PID 5000 wrote to memory of 2560 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v3346885.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a7905071.exe
PID 5000 wrote to memory of 540 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v3346885.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b2544887.exe
PID 5000 wrote to memory of 540 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v3346885.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b2544887.exe
PID 5000 wrote to memory of 540 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v3346885.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b2544887.exe

Processes

C:\Users\Admin\AppData\Local\Temp\bc3737f0a31054c55cf897cf6f283ab636e12575ba809801a5b152b3134b5a38.exe

"C:\Users\Admin\AppData\Local\Temp\bc3737f0a31054c55cf897cf6f283ab636e12575ba809801a5b152b3134b5a38.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v3346885.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v3346885.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a7905071.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a7905071.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b2544887.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b2544887.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
CY 217.196.96.101:4132 tcp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 75.117.19.2.in-addr.arpa udp
CY 217.196.96.101:4132 tcp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
CY 217.196.96.101:4132 tcp
CY 217.196.96.101:4132 tcp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
CY 217.196.96.101:4132 tcp
CY 217.196.96.101:4132 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v3346885.exe

MD5 a30c313cd63f87ec50ffa07062d3a543
SHA1 c97f07c4b652ff85c439c9740703e8f6d576914f
SHA256 32dd7e6a4aa2d3212925ba23eb5ef1dcf7222eb0887a9c1e6ce5fb27ccf49a85
SHA512 225584b986a9845a20527082742025101679a7ae008685129682501edaf10eb2711d18e4fcbf6dc925c9798e1187fb24f14c97f45e1faf2754cf2d05fd5de414

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a7905071.exe

MD5 50e673484775811c017b61dfc6510141
SHA1 738c1194694c4a6cb164f7e249251077ffe5e60a
SHA256 561628502982615ee83eab36742ddaedf09759ba9fb8e4154f7778addab49ff7
SHA512 90f7498ca6ba0d68bcbedfd55b785e04ed50a8ce0caebf46cbcb2ed298e7c46816c887466f0be2b635735963755007ecf1d8bfae018c60573e5b526408c51bf3

memory/2560-14-0x000000007469E000-0x000000007469F000-memory.dmp

memory/2560-15-0x0000000002110000-0x000000000212A000-memory.dmp

memory/2560-16-0x0000000074690000-0x0000000074E40000-memory.dmp

memory/2560-17-0x0000000004B30000-0x00000000050D4000-memory.dmp

memory/2560-18-0x00000000049A0000-0x00000000049B8000-memory.dmp

memory/2560-19-0x0000000074690000-0x0000000074E40000-memory.dmp

memory/2560-20-0x0000000074690000-0x0000000074E40000-memory.dmp

memory/2560-48-0x00000000049A0000-0x00000000049B2000-memory.dmp

memory/2560-46-0x00000000049A0000-0x00000000049B2000-memory.dmp

memory/2560-44-0x00000000049A0000-0x00000000049B2000-memory.dmp

memory/2560-42-0x00000000049A0000-0x00000000049B2000-memory.dmp

memory/2560-40-0x00000000049A0000-0x00000000049B2000-memory.dmp

memory/2560-38-0x00000000049A0000-0x00000000049B2000-memory.dmp

memory/2560-36-0x00000000049A0000-0x00000000049B2000-memory.dmp

memory/2560-34-0x00000000049A0000-0x00000000049B2000-memory.dmp

memory/2560-32-0x00000000049A0000-0x00000000049B2000-memory.dmp

memory/2560-30-0x00000000049A0000-0x00000000049B2000-memory.dmp

memory/2560-28-0x00000000049A0000-0x00000000049B2000-memory.dmp

memory/2560-26-0x00000000049A0000-0x00000000049B2000-memory.dmp

memory/2560-24-0x00000000049A0000-0x00000000049B2000-memory.dmp

memory/2560-22-0x00000000049A0000-0x00000000049B2000-memory.dmp

memory/2560-21-0x00000000049A0000-0x00000000049B2000-memory.dmp

memory/2560-49-0x000000007469E000-0x000000007469F000-memory.dmp

memory/2560-50-0x0000000074690000-0x0000000074E40000-memory.dmp

memory/2560-52-0x0000000074690000-0x0000000074E40000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b2544887.exe

MD5 c2852f2047dd40da18bd5c06b4448841
SHA1 20eaf9df2f87caaa572b8821132be75cc88b35dd
SHA256 d6fc9ab80a0578301c061b4ba8e88669f837666962f97437e10a798f58997fe6
SHA512 dee98ffc160213494c249b4e554e6f28e6ee0d4d3e093ebdc28554250d761bd538761949ccd7d9c4bea587f81465c7263a7357875a2c003412551db8d70ce8cb

memory/540-56-0x0000000000CD0000-0x0000000000D00000-memory.dmp

memory/540-57-0x00000000055F0000-0x00000000055F6000-memory.dmp

memory/540-58-0x000000000B000000-0x000000000B618000-memory.dmp

memory/540-59-0x000000000AB40000-0x000000000AC4A000-memory.dmp

memory/540-60-0x000000000AA70000-0x000000000AA82000-memory.dmp

memory/540-61-0x000000000AAD0000-0x000000000AB0C000-memory.dmp

memory/540-62-0x0000000004F90000-0x0000000004FDC000-memory.dmp