Malware Analysis Report

2024-11-13 17:37

Sample ID 241110-b1tmaaxajg
Target a8b78be57b446bd410323655357545db171f961a99398ad5186046619d3de40f
SHA256 a8b78be57b446bd410323655357545db171f961a99398ad5186046619d3de40f
Tags
healer redline fud 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

a8b78be57b446bd410323655357545db171f961a99398ad5186046619d3de40f

Threat Level: Known bad

The file a8b78be57b446bd410323655357545db171f961a99398ad5186046619d3de40f was found to be: Known bad.

Malicious Activity Summary

healer redline fud discovery dropper evasion infostealer persistence trojan

RedLine payload

Detects Healer an antivirus disabler dropper

Redline family

Healer

Healer family

Modifies Windows Defender Real-time Protection settings

RedLine

Executes dropped EXE

Windows security modification

Adds Run key to start application

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-10 01:37

Signatures

Unsigned PE

Description Indicator Process Target
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Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 01:37

Reported

2024-11-10 01:39

Platform

win10v2004-20241007-en

Max time kernel

149s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a8b78be57b446bd410323655357545db171f961a99398ad5186046619d3de40f.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\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s4930Mg.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s4930Mg.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s4930Mg.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s4930Mg.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s4930Mg.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s4930Mg.exe N/A

RedLine

infostealer redline

RedLine payload

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Redline family

redline

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s4930Mg.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\t84mq72.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\IXP000.TMP\s4930Mg.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\a8b78be57b446bd410323655357545db171f961a99398ad5186046619d3de40f.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\a8b78be57b446bd410323655357545db171f961a99398ad5186046619d3de40f.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\t84mq72.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s4930Mg.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s4930Mg.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s4930Mg.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\t84mq72.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\a8b78be57b446bd410323655357545db171f961a99398ad5186046619d3de40f.exe

"C:\Users\Admin\AppData\Local\Temp\a8b78be57b446bd410323655357545db171f961a99398ad5186046619d3de40f.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s4930Mg.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s4930Mg.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\t84mq72.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\t84mq72.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 69.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
RU 193.233.20.27:4123 tcp
RU 193.233.20.27:4123 tcp
US 8.8.8.8:53 75.209.201.84.in-addr.arpa udp
RU 193.233.20.27:4123 tcp
RU 193.233.20.27:4123 tcp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
RU 193.233.20.27:4123 tcp
RU 193.233.20.27:4123 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s4930Mg.exe

MD5 7e93bacbbc33e6652e147e7fe07572a0
SHA1 421a7167da01c8da4dc4d5234ca3dd84e319e762
SHA256 850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38
SHA512 250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

memory/5016-7-0x00007FF9CF763000-0x00007FF9CF765000-memory.dmp

memory/5016-8-0x0000000000260000-0x000000000026A000-memory.dmp

memory/5016-9-0x00007FF9CF763000-0x00007FF9CF765000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\t84mq72.exe

MD5 7703b533b6e72a90817e85a9fd1f7126
SHA1 f4cc506f60b36ddf6474504989a9b171b1418570
SHA256 f6660c406e330206727065c74443d77ab4689c53984e6c2158f130c03cd2e86d
SHA512 3ee516734c6246d7b492af2a6ba3cae18d59d83cc281d75544b29918073a472b37d52ad6cf5c78bb36e81cc67e27d5cb2b0a1e6af098eaa4b5f5a3441f8ce031

memory/2932-15-0x00000000005C0000-0x00000000006C0000-memory.dmp

memory/2932-16-0x0000000000400000-0x000000000044E000-memory.dmp

memory/2932-17-0x0000000000400000-0x00000000004E2000-memory.dmp

memory/2932-18-0x0000000002200000-0x0000000002246000-memory.dmp

memory/2932-19-0x0000000004BA0000-0x0000000005144000-memory.dmp

memory/2932-20-0x0000000002570000-0x00000000025B4000-memory.dmp

memory/2932-24-0x0000000002570000-0x00000000025AE000-memory.dmp

memory/2932-22-0x0000000002570000-0x00000000025AE000-memory.dmp

memory/2932-76-0x0000000002570000-0x00000000025AE000-memory.dmp

memory/2932-84-0x0000000002570000-0x00000000025AE000-memory.dmp

memory/2932-82-0x0000000002570000-0x00000000025AE000-memory.dmp

memory/2932-81-0x0000000002570000-0x00000000025AE000-memory.dmp

memory/2932-78-0x0000000002570000-0x00000000025AE000-memory.dmp

memory/2932-74-0x0000000002570000-0x00000000025AE000-memory.dmp

memory/2932-72-0x0000000002570000-0x00000000025AE000-memory.dmp

memory/2932-70-0x0000000002570000-0x00000000025AE000-memory.dmp

memory/2932-68-0x0000000002570000-0x00000000025AE000-memory.dmp

memory/2932-66-0x0000000002570000-0x00000000025AE000-memory.dmp

memory/2932-64-0x0000000002570000-0x00000000025AE000-memory.dmp

memory/2932-62-0x0000000002570000-0x00000000025AE000-memory.dmp

memory/2932-60-0x0000000002570000-0x00000000025AE000-memory.dmp

memory/2932-58-0x0000000002570000-0x00000000025AE000-memory.dmp

memory/2932-56-0x0000000002570000-0x00000000025AE000-memory.dmp

memory/2932-54-0x0000000002570000-0x00000000025AE000-memory.dmp

memory/2932-53-0x0000000002570000-0x00000000025AE000-memory.dmp

memory/2932-50-0x0000000002570000-0x00000000025AE000-memory.dmp

memory/2932-46-0x0000000002570000-0x00000000025AE000-memory.dmp

memory/2932-45-0x0000000002570000-0x00000000025AE000-memory.dmp

memory/2932-42-0x0000000002570000-0x00000000025AE000-memory.dmp

memory/2932-40-0x0000000002570000-0x00000000025AE000-memory.dmp

memory/2932-38-0x0000000002570000-0x00000000025AE000-memory.dmp

memory/2932-37-0x0000000002570000-0x00000000025AE000-memory.dmp

memory/2932-48-0x0000000002570000-0x00000000025AE000-memory.dmp

memory/2932-34-0x0000000002570000-0x00000000025AE000-memory.dmp

memory/2932-32-0x0000000002570000-0x00000000025AE000-memory.dmp

memory/2932-30-0x0000000002570000-0x00000000025AE000-memory.dmp

memory/2932-28-0x0000000002570000-0x00000000025AE000-memory.dmp

memory/2932-26-0x0000000002570000-0x00000000025AE000-memory.dmp

memory/2932-21-0x0000000002570000-0x00000000025AE000-memory.dmp

memory/2932-927-0x0000000005150000-0x0000000005768000-memory.dmp

memory/2932-928-0x00000000057C0000-0x00000000058CA000-memory.dmp

memory/2932-929-0x0000000005900000-0x0000000005912000-memory.dmp

memory/2932-930-0x0000000005920000-0x000000000595C000-memory.dmp

memory/2932-931-0x0000000005A70000-0x0000000005ABC000-memory.dmp

memory/2932-932-0x00000000005C0000-0x00000000006C0000-memory.dmp

memory/2932-933-0x0000000000400000-0x000000000044E000-memory.dmp

memory/2932-935-0x0000000000400000-0x00000000004E2000-memory.dmp