Malware Analysis Report

2025-01-23 07:34

Sample ID 241104-rbepts1ekl
Target f0621ee0e637ab21e433764c35d087766e5016f2fc6a79932c2ca732ac076329
SHA256 f0621ee0e637ab21e433764c35d087766e5016f2fc6a79932c2ca732ac076329
Tags
healer redline rosn 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

f0621ee0e637ab21e433764c35d087766e5016f2fc6a79932c2ca732ac076329

Threat Level: Known bad

The file f0621ee0e637ab21e433764c35d087766e5016f2fc6a79932c2ca732ac076329 was found to be: Known bad.

Malicious Activity Summary

healer redline rosn discovery dropper evasion infostealer persistence trojan

Healer family

Modifies Windows Defender Real-time Protection settings

Redline family

RedLine payload

Healer

Detects Healer an antivirus disabler dropper

RedLine

Executes dropped EXE

Windows security modification

Adds Run key to start application

System Location Discovery: System Language Discovery

Unsigned PE

Program crash

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-04 14:00

Signatures

Unsigned PE

Description Indicator Process Target
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Analysis: behavioral1

Detonation Overview

Submitted

2024-11-04 14:00

Reported

2024-11-04 14:03

Platform

win10v2004-20241007-en

Max time kernel

149s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f0621ee0e637ab21e433764c35d087766e5016f2fc6a79932c2ca732ac076329.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
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro7342.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\pro7342.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\pro7342.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\pro7342.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\pro7342.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\pro7342.exe N/A

RedLine

infostealer redline

RedLine payload

Description Indicator Process Target
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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\pro7342.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro7342.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\f0621ee0e637ab21e433764c35d087766e5016f2fc6a79932c2ca732ac076329.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\un704956.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\f0621ee0e637ab21e433764c35d087766e5016f2fc6a79932c2ca732ac076329.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un704956.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro7342.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu5535.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro7342.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro7342.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro7342.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu5535.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1304 wrote to memory of 3520 N/A C:\Users\Admin\AppData\Local\Temp\f0621ee0e637ab21e433764c35d087766e5016f2fc6a79932c2ca732ac076329.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un704956.exe
PID 1304 wrote to memory of 3520 N/A C:\Users\Admin\AppData\Local\Temp\f0621ee0e637ab21e433764c35d087766e5016f2fc6a79932c2ca732ac076329.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un704956.exe
PID 1304 wrote to memory of 3520 N/A C:\Users\Admin\AppData\Local\Temp\f0621ee0e637ab21e433764c35d087766e5016f2fc6a79932c2ca732ac076329.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un704956.exe
PID 3520 wrote to memory of 4884 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un704956.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro7342.exe
PID 3520 wrote to memory of 4884 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un704956.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro7342.exe
PID 3520 wrote to memory of 4884 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un704956.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro7342.exe
PID 3520 wrote to memory of 4964 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un704956.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu5535.exe
PID 3520 wrote to memory of 4964 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un704956.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu5535.exe
PID 3520 wrote to memory of 4964 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un704956.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu5535.exe

Processes

C:\Users\Admin\AppData\Local\Temp\f0621ee0e637ab21e433764c35d087766e5016f2fc6a79932c2ca732ac076329.exe

"C:\Users\Admin\AppData\Local\Temp\f0621ee0e637ab21e433764c35d087766e5016f2fc6a79932c2ca732ac076329.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un704956.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un704956.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro7342.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro7342.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4884 -ip 4884

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4884 -s 1096

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu5535.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu5535.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 196.249.167.52.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
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
RU 176.113.115.145:4125 tcp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 92.12.20.2.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
RU 176.113.115.145:4125 tcp
RU 176.113.115.145:4125 tcp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
RU 176.113.115.145:4125 tcp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
RU 176.113.115.145:4125 tcp
RU 176.113.115.145:4125 tcp
US 8.8.8.8:53 31.73.42.20.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un704956.exe

MD5 c35f661a139cbe9228d0236bcffd2595
SHA1 91f4f38293c6469f14e543d8268e62111cf914e8
SHA256 45869f3fe46c4ae5bca8b21174b1c0b601631c1f5e10e809f2987e8e980962da
SHA512 e92cae1016ecb27adac053a4448be48476852fe09dbf653a04cddd3a3d722bc98561f9d8bef63519d884b2e20704b79aeb658eb0eff9ee109199f5a6a31a20ae

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro7342.exe

MD5 09f5eef14c019a38f318532f3dc36ec8
SHA1 aaffe0203c838f0a5cd03d267cb5f27b00924001
SHA256 e597276eed7b911a198627b09f77580d6dba350b971662e7a7b85de376aa0d8b
SHA512 5bafaea72f886b3f19c597042345400709f2ca3420ac1381235115f67dba6c3f047c8e34096737d93fbc2054ec9768141bf75e55f31fe691b8728cd690444570

memory/4884-15-0x0000000000990000-0x0000000000A90000-memory.dmp

memory/4884-16-0x0000000000920000-0x000000000094D000-memory.dmp

memory/4884-17-0x0000000000400000-0x0000000000430000-memory.dmp

memory/4884-18-0x0000000000400000-0x0000000000802000-memory.dmp

memory/4884-19-0x0000000002790000-0x00000000027AA000-memory.dmp

memory/4884-20-0x0000000004E90000-0x0000000005434000-memory.dmp

memory/4884-21-0x0000000004DB0000-0x0000000004DC8000-memory.dmp

memory/4884-49-0x0000000004DB0000-0x0000000004DC2000-memory.dmp

memory/4884-47-0x0000000004DB0000-0x0000000004DC2000-memory.dmp

memory/4884-45-0x0000000004DB0000-0x0000000004DC2000-memory.dmp

memory/4884-43-0x0000000004DB0000-0x0000000004DC2000-memory.dmp

memory/4884-42-0x0000000004DB0000-0x0000000004DC2000-memory.dmp

memory/4884-39-0x0000000004DB0000-0x0000000004DC2000-memory.dmp

memory/4884-37-0x0000000004DB0000-0x0000000004DC2000-memory.dmp

memory/4884-35-0x0000000004DB0000-0x0000000004DC2000-memory.dmp

memory/4884-22-0x0000000004DB0000-0x0000000004DC2000-memory.dmp

memory/4884-34-0x0000000004DB0000-0x0000000004DC2000-memory.dmp

memory/4884-31-0x0000000004DB0000-0x0000000004DC2000-memory.dmp

memory/4884-29-0x0000000004DB0000-0x0000000004DC2000-memory.dmp

memory/4884-27-0x0000000004DB0000-0x0000000004DC2000-memory.dmp

memory/4884-25-0x0000000004DB0000-0x0000000004DC2000-memory.dmp

memory/4884-23-0x0000000004DB0000-0x0000000004DC2000-memory.dmp

memory/4884-50-0x0000000000990000-0x0000000000A90000-memory.dmp

memory/4884-51-0x0000000000920000-0x000000000094D000-memory.dmp

memory/4884-52-0x0000000000400000-0x0000000000430000-memory.dmp

memory/4884-56-0x0000000000400000-0x0000000000430000-memory.dmp

memory/4884-55-0x0000000000400000-0x0000000000802000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu5535.exe

MD5 05736e991cbade2ff8645ced6bf83129
SHA1 ab24a7bcdff0680ec307ce5ceaa0a7c8e550be6e
SHA256 ff91a114d5d8899847bf0e81e03b10fcf81c9bc2707633c1cfeccb63347147a8
SHA512 17a9e52ede54f89a1cb506a634f8eb75e42368def19b75604c17306df3cf907c0a5701f92a7edc7c79dcc6bff7a2fd5ab63effe5be81374124a481e33d2bdcd0

memory/4964-61-0x0000000002690000-0x00000000026D6000-memory.dmp

memory/4964-62-0x0000000005400000-0x0000000005444000-memory.dmp

memory/4964-66-0x0000000005400000-0x000000000543F000-memory.dmp

memory/4964-74-0x0000000005400000-0x000000000543F000-memory.dmp

memory/4964-96-0x0000000005400000-0x000000000543F000-memory.dmp

memory/4964-94-0x0000000005400000-0x000000000543F000-memory.dmp

memory/4964-90-0x0000000005400000-0x000000000543F000-memory.dmp

memory/4964-88-0x0000000005400000-0x000000000543F000-memory.dmp

memory/4964-86-0x0000000005400000-0x000000000543F000-memory.dmp

memory/4964-84-0x0000000005400000-0x000000000543F000-memory.dmp

memory/4964-82-0x0000000005400000-0x000000000543F000-memory.dmp

memory/4964-80-0x0000000005400000-0x000000000543F000-memory.dmp

memory/4964-78-0x0000000005400000-0x000000000543F000-memory.dmp

memory/4964-76-0x0000000005400000-0x000000000543F000-memory.dmp

memory/4964-72-0x0000000005400000-0x000000000543F000-memory.dmp

memory/4964-70-0x0000000005400000-0x000000000543F000-memory.dmp

memory/4964-68-0x0000000005400000-0x000000000543F000-memory.dmp

memory/4964-92-0x0000000005400000-0x000000000543F000-memory.dmp

memory/4964-64-0x0000000005400000-0x000000000543F000-memory.dmp

memory/4964-63-0x0000000005400000-0x000000000543F000-memory.dmp

memory/4964-969-0x0000000005450000-0x0000000005A68000-memory.dmp

memory/4964-970-0x0000000005AF0000-0x0000000005BFA000-memory.dmp

memory/4964-971-0x0000000005C30000-0x0000000005C42000-memory.dmp

memory/4964-972-0x0000000005C50000-0x0000000005C8C000-memory.dmp

memory/4964-973-0x0000000005DA0000-0x0000000005DEC000-memory.dmp