Malware Analysis Report

2025-01-23 07:41

Sample ID 241108-r11nlatjev
Target 671365ca3ad7867ef69b74c76a861c8de197d88e86a9f681c49ff703945c0dd4
SHA256 671365ca3ad7867ef69b74c76a861c8de197d88e86a9f681c49ff703945c0dd4
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

671365ca3ad7867ef69b74c76a861c8de197d88e86a9f681c49ff703945c0dd4

Threat Level: Known bad

The file 671365ca3ad7867ef69b74c76a861c8de197d88e86a9f681c49ff703945c0dd4 was found to be: Known bad.

Malicious Activity Summary

healer redline fukia discovery dropper evasion infostealer persistence trojan

Redline family

RedLine payload

Healer

RedLine

Detects Healer an antivirus disabler dropper

Modifies Windows Defender Real-time Protection settings

Healer family

Windows security modification

Executes dropped EXE

Adds Run key to start application

System Location Discovery: System Language Discovery

Program crash

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-08 14:40

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-08 14:40

Reported

2024-11-08 14:42

Platform

win10v2004-20241007-en

Max time kernel

126s

Max time network

143s

Command Line

"C:\Users\Admin\AppData\Local\Temp\671365ca3ad7867ef69b74c76a861c8de197d88e86a9f681c49ff703945c0dd4.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\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dET40uo.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\dET40uo.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\dET40uo.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eLN24Ok.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\eLN24Ok.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\eLN24Ok.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\eLN24Ok.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dET40uo.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\dET40uo.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\dET40uo.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\eLN24Ok.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\eLN24Ok.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\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eLN24Ok.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dET40uo.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eLN24Ok.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\671365ca3ad7867ef69b74c76a861c8de197d88e86a9f681c49ff703945c0dd4.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\nRK61PA42.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\IXP000.TMP\nRK61PA42.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eLN24Ok.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fhj83pI.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\671365ca3ad7867ef69b74c76a861c8de197d88e86a9f681c49ff703945c0dd4.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dET40uo.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eLN24Ok.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4676 wrote to memory of 1708 N/A C:\Users\Admin\AppData\Local\Temp\671365ca3ad7867ef69b74c76a861c8de197d88e86a9f681c49ff703945c0dd4.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nRK61PA42.exe
PID 4676 wrote to memory of 1708 N/A C:\Users\Admin\AppData\Local\Temp\671365ca3ad7867ef69b74c76a861c8de197d88e86a9f681c49ff703945c0dd4.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nRK61PA42.exe
PID 4676 wrote to memory of 1708 N/A C:\Users\Admin\AppData\Local\Temp\671365ca3ad7867ef69b74c76a861c8de197d88e86a9f681c49ff703945c0dd4.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nRK61PA42.exe
PID 1708 wrote to memory of 4692 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nRK61PA42.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dET40uo.exe
PID 1708 wrote to memory of 4692 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nRK61PA42.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dET40uo.exe
PID 1708 wrote to memory of 2296 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nRK61PA42.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eLN24Ok.exe
PID 1708 wrote to memory of 2296 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nRK61PA42.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eLN24Ok.exe
PID 1708 wrote to memory of 2296 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nRK61PA42.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eLN24Ok.exe
PID 4676 wrote to memory of 4428 N/A C:\Users\Admin\AppData\Local\Temp\671365ca3ad7867ef69b74c76a861c8de197d88e86a9f681c49ff703945c0dd4.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fhj83pI.exe
PID 4676 wrote to memory of 4428 N/A C:\Users\Admin\AppData\Local\Temp\671365ca3ad7867ef69b74c76a861c8de197d88e86a9f681c49ff703945c0dd4.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fhj83pI.exe
PID 4676 wrote to memory of 4428 N/A C:\Users\Admin\AppData\Local\Temp\671365ca3ad7867ef69b74c76a861c8de197d88e86a9f681c49ff703945c0dd4.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fhj83pI.exe

Processes

C:\Users\Admin\AppData\Local\Temp\671365ca3ad7867ef69b74c76a861c8de197d88e86a9f681c49ff703945c0dd4.exe

"C:\Users\Admin\AppData\Local\Temp\671365ca3ad7867ef69b74c76a861c8de197d88e86a9f681c49ff703945c0dd4.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nRK61PA42.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nRK61PA42.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dET40uo.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dET40uo.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eLN24Ok.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eLN24Ok.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2296 -ip 2296

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2296 -s 1068

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fhj83pI.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fhj83pI.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 75.159.190.20.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 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 23.236.111.52.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\nRK61PA42.exe

MD5 e96ed6c721d7d6653dc3d5b84286d64b
SHA1 4a060322b6e9fa05136dbf87fba48ae1f0ce8557
SHA256 9ff31f5192a99517a5afe2e114e8b89439cb2e51624793b5da3afc212908d05e
SHA512 2a0c93fc621310e0db514490c9cb2173a7b0196b2d8f850e1c0a6377031d15157db96a23b00ab3e9b07339e093b435c5362af86a7c2a15e67a8460e61fb04915

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dET40uo.exe

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

memory/4692-14-0x00007FFC7B7F3000-0x00007FFC7B7F5000-memory.dmp

memory/4692-15-0x0000000000780000-0x000000000078A000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eLN24Ok.exe

MD5 dd0adf92524d842b17843e3a38769564
SHA1 4b34fbf5dade2193630f92053be9f0dcfe563d3c
SHA256 489cdd40de47bde8a31100897afafb3213c01de9cab0bc656e3cbf01c48e3682
SHA512 7fbb9c9ad3df3bfd0ae3741bf76c92bdd9ea3f23e1316f4948a60e1efc3ff6dcbd4d37d7da725659fa38a0cbc0fc41d1dc85515d56b15af5cbf891bfe6853bc2

memory/2296-21-0x0000000004AE0000-0x0000000004AFA000-memory.dmp

memory/2296-22-0x0000000004C00000-0x00000000051A4000-memory.dmp

memory/2296-23-0x0000000004B60000-0x0000000004B78000-memory.dmp

memory/2296-51-0x0000000004B60000-0x0000000004B72000-memory.dmp

memory/2296-49-0x0000000004B60000-0x0000000004B72000-memory.dmp

memory/2296-48-0x0000000004B60000-0x0000000004B72000-memory.dmp

memory/2296-45-0x0000000004B60000-0x0000000004B72000-memory.dmp

memory/2296-43-0x0000000004B60000-0x0000000004B72000-memory.dmp

memory/2296-41-0x0000000004B60000-0x0000000004B72000-memory.dmp

memory/2296-39-0x0000000004B60000-0x0000000004B72000-memory.dmp

memory/2296-37-0x0000000004B60000-0x0000000004B72000-memory.dmp

memory/2296-35-0x0000000004B60000-0x0000000004B72000-memory.dmp

memory/2296-33-0x0000000004B60000-0x0000000004B72000-memory.dmp

memory/2296-31-0x0000000004B60000-0x0000000004B72000-memory.dmp

memory/2296-29-0x0000000004B60000-0x0000000004B72000-memory.dmp

memory/2296-27-0x0000000004B60000-0x0000000004B72000-memory.dmp

memory/2296-24-0x0000000004B60000-0x0000000004B72000-memory.dmp

memory/2296-25-0x0000000004B60000-0x0000000004B72000-memory.dmp

memory/2296-52-0x0000000000400000-0x00000000005C6000-memory.dmp

memory/2296-54-0x0000000000400000-0x00000000005C6000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fhj83pI.exe

MD5 a5f5c5d6291c7ae9e1d1b7ed1e551490
SHA1 3d06413341893b838549939e15f8f1eec423d71a
SHA256 1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e
SHA512 d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

memory/4428-58-0x0000000000870000-0x00000000008A2000-memory.dmp

memory/4428-59-0x00000000057D0000-0x0000000005DE8000-memory.dmp

memory/4428-60-0x0000000005350000-0x000000000545A000-memory.dmp

memory/4428-61-0x0000000005290000-0x00000000052A2000-memory.dmp

memory/4428-62-0x00000000052F0000-0x000000000532C000-memory.dmp

memory/4428-63-0x0000000005460000-0x00000000054AC000-memory.dmp