Malware Analysis Report

2025-01-23 07:41

Sample ID 241108-ngbnkszrd1
Target 4b8ab8e9d3411593959825d33b656dcc8bfda94542e54694730a7d96c0f65cb1
SHA256 4b8ab8e9d3411593959825d33b656dcc8bfda94542e54694730a7d96c0f65cb1
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

4b8ab8e9d3411593959825d33b656dcc8bfda94542e54694730a7d96c0f65cb1

Threat Level: Known bad

The file 4b8ab8e9d3411593959825d33b656dcc8bfda94542e54694730a7d96c0f65cb1 was found to be: Known bad.

Malicious Activity Summary

healer redline fukia discovery dropper evasion infostealer persistence trojan

RedLine

Redline family

Healer

Modifies Windows Defender Real-time Protection settings

Healer family

RedLine payload

Detects Healer an antivirus disabler dropper

Windows security modification

Executes dropped EXE

Adds Run key to start application

Launches sc.exe

Program crash

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-08 11:21

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-08 11:21

Reported

2024-11-08 11:24

Platform

win10v2004-20241007-en

Max time kernel

131s

Max time network

145s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4b8ab8e9d3411593959825d33b656dcc8bfda94542e54694730a7d96c0f65cb1.exe"

Signatures

Detects Healer an antivirus disabler dropper

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

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\dGf52vP.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\dGf52vP.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\dGf52vP.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\dGf52vP.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\eIe70Kd.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\eIe70Kd.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\dGf52vP.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\dGf52vP.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eIe70Kd.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\eIe70Kd.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\eIe70Kd.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\eIe70Kd.exe N/A

RedLine

infostealer redline

RedLine payload

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

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\dGf52vP.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eIe70Kd.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eIe70Kd.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\4b8ab8e9d3411593959825d33b656dcc8bfda94542e54694730a7d96c0f65cb1.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\nAl24wt48.exe N/A

Launches sc.exe

Description Indicator Process Target
N/A N/A C:\Windows\system32\sc.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\eIe70Kd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fOH74Qo.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\4b8ab8e9d3411593959825d33b656dcc8bfda94542e54694730a7d96c0f65cb1.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nAl24wt48.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dGf52vP.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eIe70Kd.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 952 wrote to memory of 5072 N/A C:\Users\Admin\AppData\Local\Temp\4b8ab8e9d3411593959825d33b656dcc8bfda94542e54694730a7d96c0f65cb1.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nAl24wt48.exe
PID 952 wrote to memory of 5072 N/A C:\Users\Admin\AppData\Local\Temp\4b8ab8e9d3411593959825d33b656dcc8bfda94542e54694730a7d96c0f65cb1.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nAl24wt48.exe
PID 952 wrote to memory of 5072 N/A C:\Users\Admin\AppData\Local\Temp\4b8ab8e9d3411593959825d33b656dcc8bfda94542e54694730a7d96c0f65cb1.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nAl24wt48.exe
PID 5072 wrote to memory of 2984 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nAl24wt48.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dGf52vP.exe
PID 5072 wrote to memory of 2984 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nAl24wt48.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dGf52vP.exe
PID 5072 wrote to memory of 3052 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nAl24wt48.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eIe70Kd.exe
PID 5072 wrote to memory of 3052 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nAl24wt48.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eIe70Kd.exe
PID 5072 wrote to memory of 3052 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nAl24wt48.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eIe70Kd.exe
PID 952 wrote to memory of 1072 N/A C:\Users\Admin\AppData\Local\Temp\4b8ab8e9d3411593959825d33b656dcc8bfda94542e54694730a7d96c0f65cb1.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fOH74Qo.exe
PID 952 wrote to memory of 1072 N/A C:\Users\Admin\AppData\Local\Temp\4b8ab8e9d3411593959825d33b656dcc8bfda94542e54694730a7d96c0f65cb1.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fOH74Qo.exe
PID 952 wrote to memory of 1072 N/A C:\Users\Admin\AppData\Local\Temp\4b8ab8e9d3411593959825d33b656dcc8bfda94542e54694730a7d96c0f65cb1.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fOH74Qo.exe

Processes

C:\Users\Admin\AppData\Local\Temp\4b8ab8e9d3411593959825d33b656dcc8bfda94542e54694730a7d96c0f65cb1.exe

"C:\Users\Admin\AppData\Local\Temp\4b8ab8e9d3411593959825d33b656dcc8bfda94542e54694730a7d96c0f65cb1.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nAl24wt48.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nAl24wt48.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dGf52vP.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dGf52vP.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eIe70Kd.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eIe70Kd.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3052 -ip 3052

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3052 -s 1080

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fOH74Qo.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fOH74Qo.exe

C:\Windows\system32\sc.exe

C:\Windows\system32\sc.exe start wuauserv

Network

Country Destination Domain Proto
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 136.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 97.17.167.52.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 48.229.111.52.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\nAl24wt48.exe

MD5 c90a46d5771127faec864588d4cb4152
SHA1 6c9e69cd596e11fb0cd311add0aaecef37621031
SHA256 1fcc9bdb8e7fb834d5e8491168f56927d4fc6e2c8dcd0b49480b2fb498978b50
SHA512 b61bef750b1fe5864cb662ca8e94fe3e4e408e11f6c516e4c4b6a9b3860c6e76214c967a2360362c1a86409df0dea3b3443b75e5725676629046aef035f80c42

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dGf52vP.exe

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

memory/2984-14-0x00007FFD4FDC3000-0x00007FFD4FDC5000-memory.dmp

memory/2984-15-0x0000000000550000-0x000000000055A000-memory.dmp

memory/2984-17-0x00007FFD4FDC3000-0x00007FFD4FDC5000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eIe70Kd.exe

MD5 7a4d7ae3f43f3eb9053a6696e30966d8
SHA1 7faffac12b8f52a6e23aa4c2b684a7b61f1c036f
SHA256 a490b798053c489286d6ad768c59d2e86fa200a31c25d4c1983f99b6d1946262
SHA512 a1b4e949552916289e5b8fa30deb21c5988292c39bbdbc29147a8bf1e0b9f703b146ad37044fcce309d289c77bff9072eb27850053ba39ff09842d9e7c919201

memory/3052-22-0x00000000023F0000-0x000000000240A000-memory.dmp

memory/3052-23-0x0000000004BC0000-0x0000000005164000-memory.dmp

memory/3052-24-0x0000000004B20000-0x0000000004B38000-memory.dmp

memory/3052-25-0x0000000004B20000-0x0000000004B32000-memory.dmp

memory/3052-32-0x0000000004B20000-0x0000000004B32000-memory.dmp

memory/3052-52-0x0000000004B20000-0x0000000004B32000-memory.dmp

memory/3052-50-0x0000000004B20000-0x0000000004B32000-memory.dmp

memory/3052-48-0x0000000004B20000-0x0000000004B32000-memory.dmp

memory/3052-46-0x0000000004B20000-0x0000000004B32000-memory.dmp

memory/3052-44-0x0000000004B20000-0x0000000004B32000-memory.dmp

memory/3052-42-0x0000000004B20000-0x0000000004B32000-memory.dmp

memory/3052-40-0x0000000004B20000-0x0000000004B32000-memory.dmp

memory/3052-38-0x0000000004B20000-0x0000000004B32000-memory.dmp

memory/3052-36-0x0000000004B20000-0x0000000004B32000-memory.dmp

memory/3052-34-0x0000000004B20000-0x0000000004B32000-memory.dmp

memory/3052-30-0x0000000004B20000-0x0000000004B32000-memory.dmp

memory/3052-28-0x0000000004B20000-0x0000000004B32000-memory.dmp

memory/3052-26-0x0000000004B20000-0x0000000004B32000-memory.dmp

memory/3052-53-0x0000000000400000-0x0000000000574000-memory.dmp

memory/3052-55-0x0000000000400000-0x0000000000574000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fOH74Qo.exe

MD5 a5f5c5d6291c7ae9e1d1b7ed1e551490
SHA1 3d06413341893b838549939e15f8f1eec423d71a
SHA256 1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e
SHA512 d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

memory/1072-59-0x00000000006F0000-0x0000000000722000-memory.dmp

memory/1072-60-0x0000000005660000-0x0000000005C78000-memory.dmp

memory/1072-61-0x00000000051D0000-0x00000000052DA000-memory.dmp

memory/1072-62-0x0000000005100000-0x0000000005112000-memory.dmp

memory/1072-63-0x0000000005170000-0x00000000051AC000-memory.dmp

memory/1072-64-0x00000000052E0000-0x000000000532C000-memory.dmp