Malware Analysis Report

2025-01-23 07:45

Sample ID 241107-hj21nayakk
Target 8e9c4131ea0e0dbbcec00799f46338e265c822e1051a1b14394b9f4c7afae255
SHA256 8e9c4131ea0e0dbbcec00799f46338e265c822e1051a1b14394b9f4c7afae255
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

8e9c4131ea0e0dbbcec00799f46338e265c822e1051a1b14394b9f4c7afae255

Threat Level: Known bad

The file 8e9c4131ea0e0dbbcec00799f46338e265c822e1051a1b14394b9f4c7afae255 was found to be: Known bad.

Malicious Activity Summary

healer redline fukia discovery dropper evasion infostealer persistence trojan

RedLine

RedLine payload

Redline family

Detects Healer an antivirus disabler dropper

Healer

Healer family

Modifies Windows Defender Real-time Protection settings

Executes dropped EXE

Windows security modification

Adds Run key to start application

Unsigned PE

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

2024-11-07 06:46

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-07 06:46

Reported

2024-11-07 06:49

Platform

win10v2004-20241007-en

Max time kernel

141s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8e9c4131ea0e0dbbcec00799f46338e265c822e1051a1b14394b9f4c7afae255.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

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\IXP002.TMP\iof35PG.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\iof35PG.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\iof35PG.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\iof35PG.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\iof35PG.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\iof35PG.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\IXP002.TMP\iof35PG.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\8e9c4131ea0e0dbbcec00799f46338e265c822e1051a1b14394b9f4c7afae255.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\stl66bP.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup2 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP002.TMP\\\"" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sEp54lp.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\8e9c4131ea0e0dbbcec00799f46338e265c822e1051a1b14394b9f4c7afae255.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\stl66bP.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sEp54lp.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\kZk52re.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\iof35PG.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\iof35PG.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\iof35PG.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2060 wrote to memory of 3372 N/A C:\Users\Admin\AppData\Local\Temp\8e9c4131ea0e0dbbcec00799f46338e265c822e1051a1b14394b9f4c7afae255.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\stl66bP.exe
PID 2060 wrote to memory of 3372 N/A C:\Users\Admin\AppData\Local\Temp\8e9c4131ea0e0dbbcec00799f46338e265c822e1051a1b14394b9f4c7afae255.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\stl66bP.exe
PID 2060 wrote to memory of 3372 N/A C:\Users\Admin\AppData\Local\Temp\8e9c4131ea0e0dbbcec00799f46338e265c822e1051a1b14394b9f4c7afae255.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\stl66bP.exe
PID 3372 wrote to memory of 5088 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\stl66bP.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sEp54lp.exe
PID 3372 wrote to memory of 5088 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\stl66bP.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sEp54lp.exe
PID 3372 wrote to memory of 5088 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\stl66bP.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sEp54lp.exe
PID 5088 wrote to memory of 3488 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sEp54lp.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\iof35PG.exe
PID 5088 wrote to memory of 3488 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sEp54lp.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\iof35PG.exe
PID 5088 wrote to memory of 3172 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sEp54lp.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\kZk52re.exe
PID 5088 wrote to memory of 3172 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sEp54lp.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\kZk52re.exe
PID 5088 wrote to memory of 3172 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sEp54lp.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\kZk52re.exe

Processes

C:\Users\Admin\AppData\Local\Temp\8e9c4131ea0e0dbbcec00799f46338e265c822e1051a1b14394b9f4c7afae255.exe

"C:\Users\Admin\AppData\Local\Temp\8e9c4131ea0e0dbbcec00799f46338e265c822e1051a1b14394b9f4c7afae255.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\stl66bP.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\stl66bP.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sEp54lp.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sEp54lp.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\iof35PG.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\iof35PG.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\kZk52re.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\kZk52re.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 74.32.126.40.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
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 11.227.111.52.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\stl66bP.exe

MD5 fe59f32880f91b365a06b967e470b610
SHA1 5491e8261475180ffaf1adce5ea1fe73f789ccc2
SHA256 deb00c8ba06752f444b647e3288e157206b12c9c829370aabf47950ab31522b1
SHA512 8310262ffd1d20e0ce2e5b34d89b8aacb9979fca2d376a96550c09440ed6f90f18d7739200cd9b6b73b967e1ae9ad9ae3f8663e9b60b55fd1b611f894ca2bdf8

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sEp54lp.exe

MD5 3fcd2897bc3a11573f686381062e35f0
SHA1 18f6bc6fba81de189071a7203aa8b1e9334f9c36
SHA256 21e643051a02ecfb1d0ece8856f159cb1a9b009acbdee3d391cc7e3f94b69a45
SHA512 4cbdd538694df859020c2596473da9b6bc0ffe76d7840aecbe3a46aa85f9cf9bc35fea866387d2347877615db0b070d468a204eb88ffc37bf7d366c1461de179

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\iof35PG.exe

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

memory/3488-21-0x00007FF896EF3000-0x00007FF896EF5000-memory.dmp

memory/3488-22-0x0000000000C10000-0x0000000000C1A000-memory.dmp

memory/3488-23-0x00007FF896EF3000-0x00007FF896EF5000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\kZk52re.exe

MD5 a5f5c5d6291c7ae9e1d1b7ed1e551490
SHA1 3d06413341893b838549939e15f8f1eec423d71a
SHA256 1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e
SHA512 d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

memory/3172-28-0x0000000000170000-0x00000000001A2000-memory.dmp

memory/3172-29-0x0000000004FB0000-0x00000000055C8000-memory.dmp

memory/3172-30-0x0000000004B10000-0x0000000004C1A000-memory.dmp

memory/3172-31-0x0000000004A60000-0x0000000004A72000-memory.dmp

memory/3172-32-0x0000000004A80000-0x0000000004ABC000-memory.dmp

memory/3172-33-0x0000000004AC0000-0x0000000004B0C000-memory.dmp