Malware Analysis Report

2025-01-23 07:42

Sample ID 241108-rb5k9aspct
Target 5c777e07a0430b7639975c68f3b681e91636b3960cdda0236a11d0ed5794ab89
SHA256 5c777e07a0430b7639975c68f3b681e91636b3960cdda0236a11d0ed5794ab89
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

5c777e07a0430b7639975c68f3b681e91636b3960cdda0236a11d0ed5794ab89

Threat Level: Known bad

The file 5c777e07a0430b7639975c68f3b681e91636b3960cdda0236a11d0ed5794ab89 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

RedLine payload

Detects Healer an antivirus disabler dropper

Healer

Redline family

Windows security modification

Executes dropped EXE

Adds Run key to start application

Unsigned PE

Program crash

System Location Discovery: System Language Discovery

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-08 14:02

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-08 14:02

Reported

2024-11-08 14:04

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5c777e07a0430b7639975c68f3b681e91636b3960cdda0236a11d0ed5794ab89.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\DisableOnAccessProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dfk68nQ.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\dfk68nQ.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\ejd38jN.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\ejd38jN.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\ejd38jN.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\dfk68nQ.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\dfk68nQ.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\dfk68nQ.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ejd38jN.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\ejd38jN.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\ejd38jN.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dfk68nQ.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\dfk68nQ.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ejd38jN.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ejd38jN.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\5c777e07a0430b7639975c68f3b681e91636b3960cdda0236a11d0ed5794ab89.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\nhT87GY67.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\5c777e07a0430b7639975c68f3b681e91636b3960cdda0236a11d0ed5794ab89.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nhT87GY67.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ejd38jN.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fSy61da.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dfk68nQ.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ejd38jN.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2432 wrote to memory of 5068 N/A C:\Users\Admin\AppData\Local\Temp\5c777e07a0430b7639975c68f3b681e91636b3960cdda0236a11d0ed5794ab89.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nhT87GY67.exe
PID 2432 wrote to memory of 5068 N/A C:\Users\Admin\AppData\Local\Temp\5c777e07a0430b7639975c68f3b681e91636b3960cdda0236a11d0ed5794ab89.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nhT87GY67.exe
PID 2432 wrote to memory of 5068 N/A C:\Users\Admin\AppData\Local\Temp\5c777e07a0430b7639975c68f3b681e91636b3960cdda0236a11d0ed5794ab89.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nhT87GY67.exe
PID 5068 wrote to memory of 2300 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nhT87GY67.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dfk68nQ.exe
PID 5068 wrote to memory of 2300 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nhT87GY67.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dfk68nQ.exe
PID 5068 wrote to memory of 4568 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nhT87GY67.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ejd38jN.exe
PID 5068 wrote to memory of 4568 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nhT87GY67.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ejd38jN.exe
PID 5068 wrote to memory of 4568 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nhT87GY67.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ejd38jN.exe
PID 2432 wrote to memory of 3888 N/A C:\Users\Admin\AppData\Local\Temp\5c777e07a0430b7639975c68f3b681e91636b3960cdda0236a11d0ed5794ab89.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fSy61da.exe
PID 2432 wrote to memory of 3888 N/A C:\Users\Admin\AppData\Local\Temp\5c777e07a0430b7639975c68f3b681e91636b3960cdda0236a11d0ed5794ab89.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fSy61da.exe
PID 2432 wrote to memory of 3888 N/A C:\Users\Admin\AppData\Local\Temp\5c777e07a0430b7639975c68f3b681e91636b3960cdda0236a11d0ed5794ab89.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fSy61da.exe

Processes

C:\Users\Admin\AppData\Local\Temp\5c777e07a0430b7639975c68f3b681e91636b3960cdda0236a11d0ed5794ab89.exe

"C:\Users\Admin\AppData\Local\Temp\5c777e07a0430b7639975c68f3b681e91636b3960cdda0236a11d0ed5794ab89.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nhT87GY67.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nhT87GY67.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dfk68nQ.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dfk68nQ.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ejd38jN.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ejd38jN.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4568 -ip 4568

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4568 -s 1084

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fSy61da.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fSy61da.exe

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 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 22.160.190.20.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 14.227.111.52.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\nhT87GY67.exe

MD5 56d524adad20be4d3772d2ecab501d3f
SHA1 31061f468f015b6bb2246dd6fd21050d54ef4cca
SHA256 984f32aa6ee3806509231e7ec154b3902d44e089b11798fa4db44304c40929bb
SHA512 500614aa8586af8498df928fb08830cbf5ff95cb8d4eed69000c9283d0b7176fda8dff55bf682d39b40961007537a6cf7c9fbe2eb795ef18f6f87098f7d5d96f

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dfk68nQ.exe

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

memory/2300-14-0x00007FF9CF353000-0x00007FF9CF355000-memory.dmp

memory/2300-15-0x0000000000A00000-0x0000000000A0A000-memory.dmp

memory/2300-16-0x00007FF9CF353000-0x00007FF9CF355000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ejd38jN.exe

MD5 753f324e1e1934a5df66de6cc0ccc433
SHA1 c69bd7ea80d955d7024023bcba92ce3592c0bba8
SHA256 a4805abcf5bd2ab0c66e34d63c8164b33bd46a7e610a03a99ec2e1525ef058ee
SHA512 61aabf08516e432cae20005c222f239dc547e2d751675a4f750b9673b02371e5c433bad5dbdd1794897c9de292081bc94fc2a700af4d97eaca02f2a1de42da31

memory/4568-22-0x0000000002230000-0x000000000224A000-memory.dmp

memory/4568-23-0x0000000004C20000-0x00000000051C4000-memory.dmp

memory/4568-24-0x00000000022B0000-0x00000000022C8000-memory.dmp

memory/4568-25-0x00000000022B0000-0x00000000022C2000-memory.dmp

memory/4568-32-0x00000000022B0000-0x00000000022C2000-memory.dmp

memory/4568-52-0x00000000022B0000-0x00000000022C2000-memory.dmp

memory/4568-50-0x00000000022B0000-0x00000000022C2000-memory.dmp

memory/4568-48-0x00000000022B0000-0x00000000022C2000-memory.dmp

memory/4568-46-0x00000000022B0000-0x00000000022C2000-memory.dmp

memory/4568-45-0x00000000022B0000-0x00000000022C2000-memory.dmp

memory/4568-42-0x00000000022B0000-0x00000000022C2000-memory.dmp

memory/4568-38-0x00000000022B0000-0x00000000022C2000-memory.dmp

memory/4568-36-0x00000000022B0000-0x00000000022C2000-memory.dmp

memory/4568-34-0x00000000022B0000-0x00000000022C2000-memory.dmp

memory/4568-30-0x00000000022B0000-0x00000000022C2000-memory.dmp

memory/4568-26-0x00000000022B0000-0x00000000022C2000-memory.dmp

memory/4568-28-0x00000000022B0000-0x00000000022C2000-memory.dmp

memory/4568-40-0x00000000022B0000-0x00000000022C2000-memory.dmp

memory/4568-53-0x0000000000400000-0x0000000000574000-memory.dmp

memory/4568-55-0x0000000000400000-0x0000000000574000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fSy61da.exe

MD5 a5f5c5d6291c7ae9e1d1b7ed1e551490
SHA1 3d06413341893b838549939e15f8f1eec423d71a
SHA256 1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e
SHA512 d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

memory/3888-59-0x0000000000BF0000-0x0000000000C22000-memory.dmp

memory/3888-60-0x0000000005A10000-0x0000000006028000-memory.dmp

memory/3888-61-0x0000000005590000-0x000000000569A000-memory.dmp

memory/3888-62-0x00000000054C0000-0x00000000054D2000-memory.dmp

memory/3888-63-0x0000000005550000-0x000000000558C000-memory.dmp

memory/3888-64-0x00000000054E0000-0x000000000552C000-memory.dmp