Malware Analysis Report

2025-04-13 23:56

Sample ID 241104-zm2yhazkgp
Target b5e7994a8e5d271d363f8087259401d813b6c7f1ac78f05a6694c7b01eee0a41
SHA256 b5e7994a8e5d271d363f8087259401d813b6c7f1ac78f05a6694c7b01eee0a41
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

b5e7994a8e5d271d363f8087259401d813b6c7f1ac78f05a6694c7b01eee0a41

Threat Level: Known bad

The file b5e7994a8e5d271d363f8087259401d813b6c7f1ac78f05a6694c7b01eee0a41 was found to be: Known bad.

Malicious Activity Summary

healer redline rosn discovery dropper evasion infostealer persistence trojan

RedLine

RedLine payload

Healer family

Modifies Windows Defender Real-time Protection settings

Healer

Detects Healer an antivirus disabler dropper

Redline family

Executes dropped EXE

Windows security modification

Adds Run key to start application

Unsigned PE

Program crash

System Location Discovery: System Language Discovery

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-04 20:50

Signatures

Unsigned PE

Description Indicator Process Target
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Analysis: behavioral1

Detonation Overview

Submitted

2024-11-04 20:50

Reported

2024-11-04 20:53

Platform

win10v2004-20241007-en

Max time kernel

144s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b5e7994a8e5d271d363f8087259401d813b6c7f1ac78f05a6694c7b01eee0a41.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\DisableIOAVProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro1582.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\pro1582.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\pro1582.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\pro1582.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro1582.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\pro1582.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\pro1582.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro1582.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\b5e7994a8e5d271d363f8087259401d813b6c7f1ac78f05a6694c7b01eee0a41.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\un932477.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\IXP001.TMP\pro1582.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu4835.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\b5e7994a8e5d271d363f8087259401d813b6c7f1ac78f05a6694c7b01eee0a41.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un932477.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro1582.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro1582.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro1582.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu4835.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4020 wrote to memory of 3772 N/A C:\Users\Admin\AppData\Local\Temp\b5e7994a8e5d271d363f8087259401d813b6c7f1ac78f05a6694c7b01eee0a41.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un932477.exe
PID 4020 wrote to memory of 3772 N/A C:\Users\Admin\AppData\Local\Temp\b5e7994a8e5d271d363f8087259401d813b6c7f1ac78f05a6694c7b01eee0a41.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un932477.exe
PID 4020 wrote to memory of 3772 N/A C:\Users\Admin\AppData\Local\Temp\b5e7994a8e5d271d363f8087259401d813b6c7f1ac78f05a6694c7b01eee0a41.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un932477.exe
PID 3772 wrote to memory of 1120 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un932477.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro1582.exe
PID 3772 wrote to memory of 1120 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un932477.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro1582.exe
PID 3772 wrote to memory of 1120 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un932477.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro1582.exe
PID 3772 wrote to memory of 444 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un932477.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu4835.exe
PID 3772 wrote to memory of 444 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un932477.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu4835.exe
PID 3772 wrote to memory of 444 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un932477.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu4835.exe

Processes

C:\Users\Admin\AppData\Local\Temp\b5e7994a8e5d271d363f8087259401d813b6c7f1ac78f05a6694c7b01eee0a41.exe

"C:\Users\Admin\AppData\Local\Temp\b5e7994a8e5d271d363f8087259401d813b6c7f1ac78f05a6694c7b01eee0a41.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un932477.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un932477.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro1582.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro1582.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 1120 -ip 1120

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1120 -s 1080

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu4835.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu4835.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 133.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 68.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.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 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 75.117.19.2.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
RU 176.113.115.145:4125 tcp
RU 176.113.115.145:4125 tcp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
RU 176.113.115.145:4125 tcp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.28.171.150.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\un932477.exe

MD5 24053b6e5a48d79e78f8bb0021fde4f1
SHA1 4b411fc846d264908eddd2b1c1744c0def6d7664
SHA256 f5b45bdf3a4b48f09ccfdff623f733e9b6d31d1831f84a10e020144a3959150d
SHA512 ca852bfacff8093edd35cd64624a0f875e925e8908515293c41d6d126f1e51d8db5459ce5019a1517b0cf07f52c2c8c04023b92c503384e36097747ba7d74f19

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro1582.exe

MD5 f61cb1c8d08aaef7049922e6a207bc2d
SHA1 0168194911ae6f9cf3b98df9cfcfa41748d93a91
SHA256 d535b6c1da20879b712066accf63cd0824617d0e9b4803bcd4869ba2563d339c
SHA512 29f30bd708042a4f4659e11d0bb1d586c690acae06b9305cb7ce05852b0563a1904315359dc681a46d50cda8e2081e2106ee848e78f8ff055bdb7e55a1a739b3

memory/1120-15-0x00000000004D0000-0x00000000005D0000-memory.dmp

memory/1120-17-0x0000000000400000-0x0000000000430000-memory.dmp

memory/1120-16-0x0000000000610000-0x000000000063D000-memory.dmp

memory/1120-18-0x0000000000400000-0x00000000004A9000-memory.dmp

memory/1120-19-0x00000000024F0000-0x000000000250A000-memory.dmp

memory/1120-20-0x0000000004C80000-0x0000000005224000-memory.dmp

memory/1120-21-0x0000000004B80000-0x0000000004B98000-memory.dmp

memory/1120-37-0x0000000004B80000-0x0000000004B92000-memory.dmp

memory/1120-49-0x0000000004B80000-0x0000000004B92000-memory.dmp

memory/1120-47-0x0000000004B80000-0x0000000004B92000-memory.dmp

memory/1120-45-0x0000000004B80000-0x0000000004B92000-memory.dmp

memory/1120-43-0x0000000004B80000-0x0000000004B92000-memory.dmp

memory/1120-41-0x0000000004B80000-0x0000000004B92000-memory.dmp

memory/1120-39-0x0000000004B80000-0x0000000004B92000-memory.dmp

memory/1120-35-0x0000000004B80000-0x0000000004B92000-memory.dmp

memory/1120-33-0x0000000004B80000-0x0000000004B92000-memory.dmp

memory/1120-31-0x0000000004B80000-0x0000000004B92000-memory.dmp

memory/1120-29-0x0000000004B80000-0x0000000004B92000-memory.dmp

memory/1120-27-0x0000000004B80000-0x0000000004B92000-memory.dmp

memory/1120-25-0x0000000004B80000-0x0000000004B92000-memory.dmp

memory/1120-23-0x0000000004B80000-0x0000000004B92000-memory.dmp

memory/1120-22-0x0000000004B80000-0x0000000004B92000-memory.dmp

memory/1120-50-0x00000000004D0000-0x00000000005D0000-memory.dmp

memory/1120-51-0x0000000000400000-0x0000000000430000-memory.dmp

memory/1120-54-0x0000000000400000-0x00000000004A9000-memory.dmp

memory/1120-55-0x0000000000400000-0x0000000000430000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu4835.exe

MD5 f655f59757be61f2521f9dd9cae522cd
SHA1 c86ce0b1be80588e855b6fd7b681e3e7110f3cc9
SHA256 d3c54dc4f0f8d1817f9318b2eea2805c91b0cd1f7a75da721e05b9a0e396367e
SHA512 85bf5778183745650cae52d7d774b77900d30483b81823b9da772435dd29b9452438e5311c8f3d27ec8b96542daeb00e07e4df813176cfe1f3c64a53593695ca

memory/444-60-0x00000000025C0000-0x0000000002606000-memory.dmp

memory/444-61-0x0000000005080000-0x00000000050C4000-memory.dmp

memory/444-69-0x0000000005080000-0x00000000050BF000-memory.dmp

memory/444-75-0x0000000005080000-0x00000000050BF000-memory.dmp

memory/444-73-0x0000000005080000-0x00000000050BF000-memory.dmp

memory/444-95-0x0000000005080000-0x00000000050BF000-memory.dmp

memory/444-93-0x0000000005080000-0x00000000050BF000-memory.dmp

memory/444-91-0x0000000005080000-0x00000000050BF000-memory.dmp

memory/444-89-0x0000000005080000-0x00000000050BF000-memory.dmp

memory/444-87-0x0000000005080000-0x00000000050BF000-memory.dmp

memory/444-85-0x0000000005080000-0x00000000050BF000-memory.dmp

memory/444-83-0x0000000005080000-0x00000000050BF000-memory.dmp

memory/444-79-0x0000000005080000-0x00000000050BF000-memory.dmp

memory/444-77-0x0000000005080000-0x00000000050BF000-memory.dmp

memory/444-72-0x0000000005080000-0x00000000050BF000-memory.dmp

memory/444-81-0x0000000005080000-0x00000000050BF000-memory.dmp

memory/444-67-0x0000000005080000-0x00000000050BF000-memory.dmp

memory/444-65-0x0000000005080000-0x00000000050BF000-memory.dmp

memory/444-63-0x0000000005080000-0x00000000050BF000-memory.dmp

memory/444-62-0x0000000005080000-0x00000000050BF000-memory.dmp

memory/444-968-0x00000000050F0000-0x0000000005708000-memory.dmp

memory/444-969-0x0000000005790000-0x000000000589A000-memory.dmp

memory/444-970-0x00000000058D0000-0x00000000058E2000-memory.dmp

memory/444-971-0x00000000058F0000-0x000000000592C000-memory.dmp

memory/444-972-0x0000000005A40000-0x0000000005A8C000-memory.dmp