Malware Analysis Report

2024-10-16 03:49

Sample ID 240510-ad176sfa4w
Target 8cf9ccd6da36205ee83da0b0a5e7f6cc91d5bf077df572fab6e7109ae76cd4d9
SHA256 8cf9ccd6da36205ee83da0b0a5e7f6cc91d5bf077df572fab6e7109ae76cd4d9
Tags
healer redline dumud 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

8cf9ccd6da36205ee83da0b0a5e7f6cc91d5bf077df572fab6e7109ae76cd4d9

Threat Level: Known bad

The file 8cf9ccd6da36205ee83da0b0a5e7f6cc91d5bf077df572fab6e7109ae76cd4d9 was found to be: Known bad.

Malicious Activity Summary

healer redline dumud dropper evasion infostealer persistence trojan

Detects Healer an antivirus disabler dropper

RedLine

Modifies Windows Defender Real-time Protection settings

RedLine payload

Healer

Detects executables embedding registry key / value combination indicative of disabling Windows Defender features

Detects executables packed with ConfuserEx Mod

Windows security modification

Executes dropped EXE

Adds Run key to start application

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-10 00:06

Signatures

Unsigned PE

Description Indicator Process Target
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Analysis: behavioral1

Detonation Overview

Submitted

2024-05-10 00:06

Reported

2024-05-10 00:09

Platform

win10v2004-20240508-en

Max time kernel

149s

Max time network

155s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8cf9ccd6da36205ee83da0b0a5e7f6cc91d5bf077df572fab6e7109ae76cd4d9.exe"

Signatures

Detects Healer an antivirus disabler dropper

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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:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k0666833.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\k0666833.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\k0666833.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\k0666833.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k0666833.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\k0666833.exe N/A

RedLine

infostealer redline

RedLine payload

Description Indicator Process Target
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Detects executables embedding registry key / value combination indicative of disabling Windows Defender features

Description Indicator Process Target
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Detects executables packed with ConfuserEx Mod

Description Indicator Process Target
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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\k0666833.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k0666833.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\8cf9ccd6da36205ee83da0b0a5e7f6cc91d5bf077df572fab6e7109ae76cd4d9.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\y2529164.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k0666833.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k0666833.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k0666833.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1736 wrote to memory of 2996 N/A C:\Users\Admin\AppData\Local\Temp\8cf9ccd6da36205ee83da0b0a5e7f6cc91d5bf077df572fab6e7109ae76cd4d9.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y2529164.exe
PID 1736 wrote to memory of 2996 N/A C:\Users\Admin\AppData\Local\Temp\8cf9ccd6da36205ee83da0b0a5e7f6cc91d5bf077df572fab6e7109ae76cd4d9.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y2529164.exe
PID 1736 wrote to memory of 2996 N/A C:\Users\Admin\AppData\Local\Temp\8cf9ccd6da36205ee83da0b0a5e7f6cc91d5bf077df572fab6e7109ae76cd4d9.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y2529164.exe
PID 2996 wrote to memory of 4100 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y2529164.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k0666833.exe
PID 2996 wrote to memory of 4100 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y2529164.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k0666833.exe
PID 2996 wrote to memory of 4100 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y2529164.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k0666833.exe
PID 2996 wrote to memory of 3616 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y2529164.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l1131425.exe
PID 2996 wrote to memory of 3616 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y2529164.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l1131425.exe
PID 2996 wrote to memory of 3616 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y2529164.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l1131425.exe

Processes

C:\Users\Admin\AppData\Local\Temp\8cf9ccd6da36205ee83da0b0a5e7f6cc91d5bf077df572fab6e7109ae76cd4d9.exe

"C:\Users\Admin\AppData\Local\Temp\8cf9ccd6da36205ee83da0b0a5e7f6cc91d5bf077df572fab6e7109ae76cd4d9.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y2529164.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y2529164.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k0666833.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k0666833.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l1131425.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l1131425.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
BE 2.17.107.98:443 www.bing.com tcp
US 8.8.8.8:53 98.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 71.31.126.40.in-addr.arpa udp
BE 2.17.107.98:443 www.bing.com tcp
DE 217.196.96.101:4132 tcp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
DE 217.196.96.101:4132 tcp
US 8.8.8.8:53 77.190.18.2.in-addr.arpa udp
DE 217.196.96.101:4132 tcp
DE 217.196.96.101:4132 tcp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
DE 217.196.96.101:4132 tcp
DE 217.196.96.101:4132 tcp
US 8.8.8.8:53 92.16.208.104.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y2529164.exe

MD5 9c6160862fa8560e45fccebe7fb58749
SHA1 69f4d61cc56957de57ee17332d1c3b36afd0508b
SHA256 f582bfe6cadebe2a797a4b134f1216b50b186386654a9a2f3b781a9174ff8aa4
SHA512 f32f637ac847e32801d1aa0f3838fdb318a8479b3b3b129a7fe23054f2e473f133c3d28d84bf9e379319ac6d6bf037e34eabfe1340973dc7a8430fc7351253d8

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k0666833.exe

MD5 1ef1ec54bc58c2e7abd5db51dc8dc7d7
SHA1 ef792db55d8bcf599bfe29403efe00a1d83da1fd
SHA256 d4c37587c865d0bffc9df10e1a538a5f3df434e8df6b287a69d44904d3d3e7a7
SHA512 6c617dfc2d07d89354a23d6df8504dffd8ee6655a1f06d1e5d62099494b3810274e835bff7ab68f8c37ef2044436ac2b1b57a226e8d48e4148c0e9dbfd55a5ac

memory/4100-14-0x0000000073C7E000-0x0000000073C7F000-memory.dmp

memory/4100-15-0x00000000022D0000-0x00000000022EA000-memory.dmp

memory/4100-16-0x0000000073C70000-0x0000000074420000-memory.dmp

memory/4100-17-0x0000000004A30000-0x0000000004FD4000-memory.dmp

memory/4100-18-0x0000000002310000-0x0000000002328000-memory.dmp

memory/4100-19-0x0000000073C70000-0x0000000074420000-memory.dmp

memory/4100-47-0x0000000002310000-0x0000000002322000-memory.dmp

memory/4100-45-0x0000000002310000-0x0000000002322000-memory.dmp

memory/4100-43-0x0000000002310000-0x0000000002322000-memory.dmp

memory/4100-42-0x0000000002310000-0x0000000002322000-memory.dmp

memory/4100-39-0x0000000002310000-0x0000000002322000-memory.dmp

memory/4100-37-0x0000000002310000-0x0000000002322000-memory.dmp

memory/4100-35-0x0000000002310000-0x0000000002322000-memory.dmp

memory/4100-33-0x0000000002310000-0x0000000002322000-memory.dmp

memory/4100-31-0x0000000002310000-0x0000000002322000-memory.dmp

memory/4100-29-0x0000000002310000-0x0000000002322000-memory.dmp

memory/4100-27-0x0000000002310000-0x0000000002322000-memory.dmp

memory/4100-25-0x0000000002310000-0x0000000002322000-memory.dmp

memory/4100-23-0x0000000002310000-0x0000000002322000-memory.dmp

memory/4100-21-0x0000000002310000-0x0000000002322000-memory.dmp

memory/4100-20-0x0000000002310000-0x0000000002322000-memory.dmp

memory/4100-48-0x0000000073C70000-0x0000000074420000-memory.dmp

memory/4100-50-0x0000000073C70000-0x0000000074420000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l1131425.exe

MD5 9dec018dfb97de39054b74c355bfdc15
SHA1 fcf14c4e1ed8b11a36a503b1376906721913a2f1
SHA256 8c6754ccfd277249945f93eca2f53aa9c26864400e423a18d3a1e96dc8d59cf6
SHA512 a6c179c6a3b3f1e9376dacb214d5221090e4f4a586838dcf9402db17771b0538f51d92b044e36023d3fe0edd2ad2ed4eaf2bf73ad4ee1b2d574051ac03070da0

memory/3616-54-0x00000000005A0000-0x00000000005D0000-memory.dmp

memory/3616-55-0x0000000002780000-0x0000000002786000-memory.dmp

memory/3616-56-0x000000000A8B0000-0x000000000AEC8000-memory.dmp

memory/3616-57-0x000000000A410000-0x000000000A51A000-memory.dmp

memory/3616-58-0x000000000A340000-0x000000000A352000-memory.dmp

memory/3616-59-0x000000000A3A0000-0x000000000A3DC000-memory.dmp

memory/3616-60-0x00000000028C0000-0x000000000290C000-memory.dmp