Malware Analysis Report

2025-01-23 07:41

Sample ID 241108-nrvt7s1jft
Target 34ff3350f58e07c4a59a96c94ac50948e85bc8370d77d81c10cbf58f1d87af14
SHA256 34ff3350f58e07c4a59a96c94ac50948e85bc8370d77d81c10cbf58f1d87af14
Tags
healer redline fukia 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

34ff3350f58e07c4a59a96c94ac50948e85bc8370d77d81c10cbf58f1d87af14

Threat Level: Known bad

The file 34ff3350f58e07c4a59a96c94ac50948e85bc8370d77d81c10cbf58f1d87af14 was found to be: Known bad.

Malicious Activity Summary

healer redline fukia discovery dropper evasion infostealer persistence trojan

RedLine

Healer family

Modifies Windows Defender Real-time Protection settings

Healer

Detects Healer an antivirus disabler dropper

RedLine payload

Redline family

Windows security modification

Executes dropped EXE

Adds Run key to start application

System Location Discovery: System Language Discovery

Unsigned PE

Program crash

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-08 11:38

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-08 11:38

Reported

2024-11-08 11:40

Platform

win10v2004-20241007-en

Max time kernel

126s

Max time network

142s

Command Line

"C:\Users\Admin\AppData\Local\Temp\34ff3350f58e07c4a59a96c94ac50948e85bc8370d77d81c10cbf58f1d87af14.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\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dzG39JD.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dzG39JD.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dzG39JD.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eXX88ZY.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\eXX88ZY.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\eXX88ZY.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\eXX88ZY.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dzG39JD.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dzG39JD.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dzG39JD.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\eXX88ZY.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\eXX88ZY.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
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dzG39JD.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eXX88ZY.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eXX88ZY.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\34ff3350f58e07c4a59a96c94ac50948e85bc8370d77d81c10cbf58f1d87af14.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\nrM05Ys47.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\34ff3350f58e07c4a59a96c94ac50948e85bc8370d77d81c10cbf58f1d87af14.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nrM05Ys47.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eXX88ZY.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fPs45FY.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dzG39JD.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eXX88ZY.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2800 wrote to memory of 1004 N/A C:\Users\Admin\AppData\Local\Temp\34ff3350f58e07c4a59a96c94ac50948e85bc8370d77d81c10cbf58f1d87af14.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nrM05Ys47.exe
PID 2800 wrote to memory of 1004 N/A C:\Users\Admin\AppData\Local\Temp\34ff3350f58e07c4a59a96c94ac50948e85bc8370d77d81c10cbf58f1d87af14.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nrM05Ys47.exe
PID 2800 wrote to memory of 1004 N/A C:\Users\Admin\AppData\Local\Temp\34ff3350f58e07c4a59a96c94ac50948e85bc8370d77d81c10cbf58f1d87af14.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nrM05Ys47.exe
PID 1004 wrote to memory of 4816 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nrM05Ys47.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dzG39JD.exe
PID 1004 wrote to memory of 4816 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nrM05Ys47.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dzG39JD.exe
PID 1004 wrote to memory of 4776 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nrM05Ys47.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eXX88ZY.exe
PID 1004 wrote to memory of 4776 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nrM05Ys47.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eXX88ZY.exe
PID 1004 wrote to memory of 4776 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nrM05Ys47.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eXX88ZY.exe
PID 2800 wrote to memory of 1804 N/A C:\Users\Admin\AppData\Local\Temp\34ff3350f58e07c4a59a96c94ac50948e85bc8370d77d81c10cbf58f1d87af14.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fPs45FY.exe
PID 2800 wrote to memory of 1804 N/A C:\Users\Admin\AppData\Local\Temp\34ff3350f58e07c4a59a96c94ac50948e85bc8370d77d81c10cbf58f1d87af14.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fPs45FY.exe
PID 2800 wrote to memory of 1804 N/A C:\Users\Admin\AppData\Local\Temp\34ff3350f58e07c4a59a96c94ac50948e85bc8370d77d81c10cbf58f1d87af14.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fPs45FY.exe

Processes

C:\Users\Admin\AppData\Local\Temp\34ff3350f58e07c4a59a96c94ac50948e85bc8370d77d81c10cbf58f1d87af14.exe

"C:\Users\Admin\AppData\Local\Temp\34ff3350f58e07c4a59a96c94ac50948e85bc8370d77d81c10cbf58f1d87af14.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nrM05Ys47.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nrM05Ys47.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dzG39JD.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dzG39JD.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eXX88ZY.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eXX88ZY.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4776 -ip 4776

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4776 -s 1080

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fPs45FY.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fPs45FY.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
RU 193.233.20.13:4136 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nrM05Ys47.exe

MD5 15bbbc4517817affd0e4d7dbbf440036
SHA1 9366bbb5cb3284971efdabf439a8c32087d76bf6
SHA256 d059b48ac5237c7a89489a8ad79fcccb25038aaa08220740ad94ebd38e1b0333
SHA512 3f6ea356c912ec62f8433e25d5e1ae629c77156e42d8cef9a56d72cb77006d7c32be48ca0a7e17b2396f04743b7c7cf142f19bb44540244947487c2ad4221c62

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dzG39JD.exe

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

memory/4816-14-0x00007FFA733F3000-0x00007FFA733F5000-memory.dmp

memory/4816-15-0x0000000000440000-0x000000000044A000-memory.dmp

memory/4816-16-0x00007FFA733F3000-0x00007FFA733F5000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eXX88ZY.exe

MD5 2338c84711b756237e614c3869cf6100
SHA1 6146eace912945070cb084fe3839c8d2dc27c403
SHA256 fbfd8bd7e7ff54ce43c209c34a9959ad1abe7325209756decc04e3d9a44ff87b
SHA512 24bd3e70fc0ac61f6fcc432de5e93ac38c66eb3fb0e9b09337acc526873dd42f779f2741761ffb1677936e8f219f3c3b683c9476d8ab604803795fc323c7bae6

memory/4776-22-0x0000000002410000-0x000000000242A000-memory.dmp

memory/4776-23-0x0000000004BD0000-0x0000000005174000-memory.dmp

memory/4776-24-0x0000000004B30000-0x0000000004B48000-memory.dmp

memory/4776-28-0x0000000004B30000-0x0000000004B42000-memory.dmp

memory/4776-50-0x0000000004B30000-0x0000000004B42000-memory.dmp

memory/4776-48-0x0000000004B30000-0x0000000004B42000-memory.dmp

memory/4776-46-0x0000000004B30000-0x0000000004B42000-memory.dmp

memory/4776-44-0x0000000004B30000-0x0000000004B42000-memory.dmp

memory/4776-42-0x0000000004B30000-0x0000000004B42000-memory.dmp

memory/4776-40-0x0000000004B30000-0x0000000004B42000-memory.dmp

memory/4776-38-0x0000000004B30000-0x0000000004B42000-memory.dmp

memory/4776-36-0x0000000004B30000-0x0000000004B42000-memory.dmp

memory/4776-34-0x0000000004B30000-0x0000000004B42000-memory.dmp

memory/4776-32-0x0000000004B30000-0x0000000004B42000-memory.dmp

memory/4776-26-0x0000000004B30000-0x0000000004B42000-memory.dmp

memory/4776-25-0x0000000004B30000-0x0000000004B42000-memory.dmp

memory/4776-30-0x0000000004B30000-0x0000000004B42000-memory.dmp

memory/4776-52-0x0000000004B30000-0x0000000004B42000-memory.dmp

memory/4776-53-0x0000000000400000-0x000000000057B000-memory.dmp

memory/4776-55-0x0000000000400000-0x000000000057B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fPs45FY.exe

MD5 a5f5c5d6291c7ae9e1d1b7ed1e551490
SHA1 3d06413341893b838549939e15f8f1eec423d71a
SHA256 1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e
SHA512 d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

memory/1804-59-0x0000000000240000-0x0000000000272000-memory.dmp

memory/1804-60-0x0000000005070000-0x0000000005688000-memory.dmp

memory/1804-61-0x0000000004BE0000-0x0000000004CEA000-memory.dmp

memory/1804-62-0x0000000004B20000-0x0000000004B32000-memory.dmp

memory/1804-63-0x0000000004B80000-0x0000000004BBC000-memory.dmp

memory/1804-64-0x0000000004CF0000-0x0000000004D3C000-memory.dmp