Malware Analysis Report

2025-08-05 10:16

Sample ID 241109-fyegssxpbw
Target b16c46cabcb6f0cb7405e9d3f73443cf492d6cdae7f79c09523ae42848ae1a1a
SHA256 b16c46cabcb6f0cb7405e9d3f73443cf492d6cdae7f79c09523ae42848ae1a1a
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

b16c46cabcb6f0cb7405e9d3f73443cf492d6cdae7f79c09523ae42848ae1a1a

Threat Level: Known bad

The file b16c46cabcb6f0cb7405e9d3f73443cf492d6cdae7f79c09523ae42848ae1a1a was found to be: Known bad.

Malicious Activity Summary

healer redline rosn discovery dropper evasion infostealer persistence trojan

Modifies Windows Defender Real-time Protection settings

RedLine

Detects Healer an antivirus disabler dropper

Healer

Redline family

Healer family

RedLine payload

Windows security modification

Executes dropped EXE

Adds Run key to start application

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-09 05:16

Signatures

Unsigned PE

Description Indicator Process Target
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Analysis: behavioral1

Detonation Overview

Submitted

2024-11-09 05:16

Reported

2024-11-09 05:19

Platform

win10v2004-20241007-en

Max time kernel

143s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b16c46cabcb6f0cb7405e9d3f73443cf492d6cdae7f79c09523ae42848ae1a1a.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\pro4821.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\pro4821.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\pro4821.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\pro4821.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\pro4821.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\pro4821.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\pro4821.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro4821.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\b16c46cabcb6f0cb7405e9d3f73443cf492d6cdae7f79c09523ae42848ae1a1a.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\un870880.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\b16c46cabcb6f0cb7405e9d3f73443cf492d6cdae7f79c09523ae42848ae1a1a.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un870880.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro4821.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu4922.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro4821.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro4821.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro4821.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu4922.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2880 wrote to memory of 5068 N/A C:\Users\Admin\AppData\Local\Temp\b16c46cabcb6f0cb7405e9d3f73443cf492d6cdae7f79c09523ae42848ae1a1a.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un870880.exe
PID 2880 wrote to memory of 5068 N/A C:\Users\Admin\AppData\Local\Temp\b16c46cabcb6f0cb7405e9d3f73443cf492d6cdae7f79c09523ae42848ae1a1a.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un870880.exe
PID 2880 wrote to memory of 5068 N/A C:\Users\Admin\AppData\Local\Temp\b16c46cabcb6f0cb7405e9d3f73443cf492d6cdae7f79c09523ae42848ae1a1a.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un870880.exe
PID 5068 wrote to memory of 3628 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un870880.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro4821.exe
PID 5068 wrote to memory of 3628 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un870880.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro4821.exe
PID 5068 wrote to memory of 3628 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un870880.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro4821.exe
PID 5068 wrote to memory of 2940 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un870880.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu4922.exe
PID 5068 wrote to memory of 2940 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un870880.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu4922.exe
PID 5068 wrote to memory of 2940 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un870880.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu4922.exe

Processes

C:\Users\Admin\AppData\Local\Temp\b16c46cabcb6f0cb7405e9d3f73443cf492d6cdae7f79c09523ae42848ae1a1a.exe

"C:\Users\Admin\AppData\Local\Temp\b16c46cabcb6f0cb7405e9d3f73443cf492d6cdae7f79c09523ae42848ae1a1a.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un870880.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un870880.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro4821.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro4821.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu4922.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu4922.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.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 176.113.115.145:4125 tcp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
RU 176.113.115.145:4125 tcp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
RU 176.113.115.145:4125 tcp
RU 176.113.115.145:4125 tcp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
RU 176.113.115.145:4125 tcp
RU 176.113.115.145:4125 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un870880.exe

MD5 5cfdd30de2a91e80b167e069a94e7a43
SHA1 f9a7a4288596e42b6c8c955d97aaa33d98bccb2e
SHA256 dfbab391c8d8030076854e81ed5ef70ebdef6974419f7264e220e7a0f1d6e52d
SHA512 60ce969c032e79830b7e2ead64c42ec9f715db549694e4d7471afd684381b789da5232cf98f19d32b534c6283eaf8cf063295762be1043b39d4983c52f53e0a8

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro4821.exe

MD5 35d26497161cfafee3b102adf4caf0a7
SHA1 5a6931717e7a43cca74658cfb00aab99cbe4a9e5
SHA256 b2bfe1e11390a53d492c42d521a250175df902068d9b3a1cd27968e3c2029e51
SHA512 b61583bcf08184ca5f5a91423ddda4a985bbbc3e17cf94d51bfe410b30fcdd54371eda06261c29dccf6167078c2a810d5ee797317444dab7ba69b3596a32cc31

memory/3628-15-0x0000000000580000-0x0000000000680000-memory.dmp

memory/3628-17-0x0000000000400000-0x0000000000430000-memory.dmp

memory/3628-16-0x0000000001FD0000-0x0000000001FFD000-memory.dmp

memory/3628-18-0x0000000000400000-0x00000000004AA000-memory.dmp

memory/3628-19-0x0000000002570000-0x000000000258A000-memory.dmp

memory/3628-20-0x0000000004A80000-0x0000000005024000-memory.dmp

memory/3628-21-0x0000000004A40000-0x0000000004A58000-memory.dmp

memory/3628-35-0x0000000004A40000-0x0000000004A52000-memory.dmp

memory/3628-47-0x0000000004A40000-0x0000000004A52000-memory.dmp

memory/3628-45-0x0000000004A40000-0x0000000004A52000-memory.dmp

memory/3628-43-0x0000000004A40000-0x0000000004A52000-memory.dmp

memory/3628-41-0x0000000004A40000-0x0000000004A52000-memory.dmp

memory/3628-39-0x0000000004A40000-0x0000000004A52000-memory.dmp

memory/3628-37-0x0000000004A40000-0x0000000004A52000-memory.dmp

memory/3628-49-0x0000000004A40000-0x0000000004A52000-memory.dmp

memory/3628-33-0x0000000004A40000-0x0000000004A52000-memory.dmp

memory/3628-31-0x0000000004A40000-0x0000000004A52000-memory.dmp

memory/3628-29-0x0000000004A40000-0x0000000004A52000-memory.dmp

memory/3628-27-0x0000000004A40000-0x0000000004A52000-memory.dmp

memory/3628-23-0x0000000004A40000-0x0000000004A52000-memory.dmp

memory/3628-22-0x0000000004A40000-0x0000000004A52000-memory.dmp

memory/3628-25-0x0000000004A40000-0x0000000004A52000-memory.dmp

memory/3628-50-0x0000000000580000-0x0000000000680000-memory.dmp

memory/3628-51-0x0000000001FD0000-0x0000000001FFD000-memory.dmp

memory/3628-52-0x0000000000400000-0x0000000000430000-memory.dmp

memory/3628-55-0x0000000000400000-0x00000000004AA000-memory.dmp

memory/3628-56-0x0000000000400000-0x0000000000430000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu4922.exe

MD5 d25d7fac7e1eb3f75b5e71545266550a
SHA1 c8e0851716db9ebacee6bd453dd9fb2a4f12274e
SHA256 0150d4773e59234c3fd75817173a2e8ebf07289ee4bdae9c033bb0a7b202af7d
SHA512 f02b2031c4d95901b8c6e4db8097bbe63ebfc6bf48fb16e592a2d39ab3dd0e9adbf31cd7bdb3a0ef21a0440e2b2a3a10234ca7ff5a65496e2322fdae32dd7105

memory/2940-61-0x00000000025C0000-0x0000000002606000-memory.dmp

memory/2940-62-0x0000000002780000-0x00000000027C4000-memory.dmp

memory/2940-68-0x0000000002780000-0x00000000027BF000-memory.dmp

memory/2940-78-0x0000000002780000-0x00000000027BF000-memory.dmp

memory/2940-76-0x0000000002780000-0x00000000027BF000-memory.dmp

memory/2940-74-0x0000000002780000-0x00000000027BF000-memory.dmp

memory/2940-72-0x0000000002780000-0x00000000027BF000-memory.dmp

memory/2940-70-0x0000000002780000-0x00000000027BF000-memory.dmp

memory/2940-94-0x0000000002780000-0x00000000027BF000-memory.dmp

memory/2940-66-0x0000000002780000-0x00000000027BF000-memory.dmp

memory/2940-64-0x0000000002780000-0x00000000027BF000-memory.dmp

memory/2940-63-0x0000000002780000-0x00000000027BF000-memory.dmp

memory/2940-80-0x0000000002780000-0x00000000027BF000-memory.dmp

memory/2940-96-0x0000000002780000-0x00000000027BF000-memory.dmp

memory/2940-92-0x0000000002780000-0x00000000027BF000-memory.dmp

memory/2940-90-0x0000000002780000-0x00000000027BF000-memory.dmp

memory/2940-88-0x0000000002780000-0x00000000027BF000-memory.dmp

memory/2940-87-0x0000000002780000-0x00000000027BF000-memory.dmp

memory/2940-84-0x0000000002780000-0x00000000027BF000-memory.dmp

memory/2940-82-0x0000000002780000-0x00000000027BF000-memory.dmp

memory/2940-969-0x0000000005130000-0x0000000005748000-memory.dmp

memory/2940-970-0x0000000005790000-0x000000000589A000-memory.dmp

memory/2940-971-0x00000000058D0000-0x00000000058E2000-memory.dmp

memory/2940-972-0x00000000058F0000-0x000000000592C000-memory.dmp

memory/2940-973-0x0000000005A40000-0x0000000005A8C000-memory.dmp