Malware Analysis Report

2025-01-23 07:45

Sample ID 241108-c85j7atdrm
Target 9cf7d471b1b58684483a890df120c5f9e879a189c3c9bb8ea71f32ae81c2a4ee
SHA256 9cf7d471b1b58684483a890df120c5f9e879a189c3c9bb8ea71f32ae81c2a4ee
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

9cf7d471b1b58684483a890df120c5f9e879a189c3c9bb8ea71f32ae81c2a4ee

Threat Level: Known bad

The file 9cf7d471b1b58684483a890df120c5f9e879a189c3c9bb8ea71f32ae81c2a4ee was found to be: Known bad.

Malicious Activity Summary

healer redline fukia discovery dropper evasion infostealer persistence trojan

Modifies Windows Defender Real-time Protection settings

Healer family

Redline family

Detects Healer an antivirus disabler dropper

RedLine payload

Healer

RedLine

Windows security modification

Executes dropped EXE

Adds Run key to start application

System Location Discovery: System Language Discovery

Unsigned PE

Program crash

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-08 02:45

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-08 02:45

Reported

2024-11-08 02:48

Platform

win10v2004-20241007-en

Max time kernel

128s

Max time network

144s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9cf7d471b1b58684483a890df120c5f9e879a189c3c9bb8ea71f32ae81c2a4ee.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\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\epH07cv.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\epH07cv.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\epH07cv.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dxJ33fR.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\dxJ33fR.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\dxJ33fR.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\epH07cv.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\epH07cv.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\epH07cv.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\dxJ33fR.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\dxJ33fR.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\dxJ33fR.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\dxJ33fR.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\epH07cv.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\epH07cv.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\9cf7d471b1b58684483a890df120c5f9e879a189c3c9bb8ea71f32ae81c2a4ee.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\nrn00Vr17.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\9cf7d471b1b58684483a890df120c5f9e879a189c3c9bb8ea71f32ae81c2a4ee.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nrn00Vr17.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\epH07cv.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fiQ55JT.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dxJ33fR.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\epH07cv.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 828 wrote to memory of 4316 N/A C:\Users\Admin\AppData\Local\Temp\9cf7d471b1b58684483a890df120c5f9e879a189c3c9bb8ea71f32ae81c2a4ee.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nrn00Vr17.exe
PID 828 wrote to memory of 4316 N/A C:\Users\Admin\AppData\Local\Temp\9cf7d471b1b58684483a890df120c5f9e879a189c3c9bb8ea71f32ae81c2a4ee.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nrn00Vr17.exe
PID 828 wrote to memory of 4316 N/A C:\Users\Admin\AppData\Local\Temp\9cf7d471b1b58684483a890df120c5f9e879a189c3c9bb8ea71f32ae81c2a4ee.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nrn00Vr17.exe
PID 4316 wrote to memory of 2148 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nrn00Vr17.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dxJ33fR.exe
PID 4316 wrote to memory of 2148 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nrn00Vr17.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dxJ33fR.exe
PID 4316 wrote to memory of 1644 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nrn00Vr17.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\epH07cv.exe
PID 4316 wrote to memory of 1644 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nrn00Vr17.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\epH07cv.exe
PID 4316 wrote to memory of 1644 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nrn00Vr17.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\epH07cv.exe
PID 828 wrote to memory of 2888 N/A C:\Users\Admin\AppData\Local\Temp\9cf7d471b1b58684483a890df120c5f9e879a189c3c9bb8ea71f32ae81c2a4ee.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fiQ55JT.exe
PID 828 wrote to memory of 2888 N/A C:\Users\Admin\AppData\Local\Temp\9cf7d471b1b58684483a890df120c5f9e879a189c3c9bb8ea71f32ae81c2a4ee.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fiQ55JT.exe
PID 828 wrote to memory of 2888 N/A C:\Users\Admin\AppData\Local\Temp\9cf7d471b1b58684483a890df120c5f9e879a189c3c9bb8ea71f32ae81c2a4ee.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fiQ55JT.exe

Processes

C:\Users\Admin\AppData\Local\Temp\9cf7d471b1b58684483a890df120c5f9e879a189c3c9bb8ea71f32ae81c2a4ee.exe

"C:\Users\Admin\AppData\Local\Temp\9cf7d471b1b58684483a890df120c5f9e879a189c3c9bb8ea71f32ae81c2a4ee.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nrn00Vr17.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nrn00Vr17.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dxJ33fR.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dxJ33fR.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\epH07cv.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\epH07cv.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1644 -ip 1644

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1644 -s 1080

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fiQ55JT.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fiQ55JT.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
RU 193.233.20.13:4136 tcp
RU 193.233.20.13:4136 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nrn00Vr17.exe

MD5 930cd0e75dd7710838a3b9a6adc36077
SHA1 0cb1452202c3d9195c1fddd7fa04bfdbd03d4553
SHA256 337a4f11770cb23c4c7893c9086e5bf0694ff9f0c0c6df73bbfe7617634005c1
SHA512 e0ba7a255158a0468b2555c58a4c1fa202d18bd208435a2791fa3cda94246ba349a4f49bcf92f361ad25b6d3fc6ec098596cc3addde97703a2e210688651ec89

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dxJ33fR.exe

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

memory/2148-14-0x00007FFD372E3000-0x00007FFD372E5000-memory.dmp

memory/2148-15-0x00000000002E0000-0x00000000002EA000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\epH07cv.exe

MD5 bbcaab6d431de6d63e20ec7a085b0526
SHA1 e5bb15ef7458b516b37602649498b3d13c4df67d
SHA256 e0bd77d953de9c400b8338ca69f2aeb4eadfae945c75081b3c61fcc23ede76ee
SHA512 4f9ba138d9b458bb24907b2873a5eb0648858a60c0afac97c7b41adc2a3033d12037770b8d266ec8e2fb821dc8dcefc65c7150af534110e407a9cc672e317ac8

memory/1644-21-0x0000000000930000-0x000000000094A000-memory.dmp

memory/1644-22-0x0000000004F30000-0x00000000054D4000-memory.dmp

memory/1644-23-0x00000000022A0000-0x00000000022B8000-memory.dmp

memory/1644-33-0x00000000022A0000-0x00000000022B2000-memory.dmp

memory/1644-51-0x00000000022A0000-0x00000000022B2000-memory.dmp

memory/1644-49-0x00000000022A0000-0x00000000022B2000-memory.dmp

memory/1644-47-0x00000000022A0000-0x00000000022B2000-memory.dmp

memory/1644-45-0x00000000022A0000-0x00000000022B2000-memory.dmp

memory/1644-43-0x00000000022A0000-0x00000000022B2000-memory.dmp

memory/1644-41-0x00000000022A0000-0x00000000022B2000-memory.dmp

memory/1644-39-0x00000000022A0000-0x00000000022B2000-memory.dmp

memory/1644-37-0x00000000022A0000-0x00000000022B2000-memory.dmp

memory/1644-35-0x00000000022A0000-0x00000000022B2000-memory.dmp

memory/1644-31-0x00000000022A0000-0x00000000022B2000-memory.dmp

memory/1644-29-0x00000000022A0000-0x00000000022B2000-memory.dmp

memory/1644-27-0x00000000022A0000-0x00000000022B2000-memory.dmp

memory/1644-25-0x00000000022A0000-0x00000000022B2000-memory.dmp

memory/1644-24-0x00000000022A0000-0x00000000022B2000-memory.dmp

memory/1644-52-0x0000000000400000-0x000000000056F000-memory.dmp

memory/1644-54-0x0000000000400000-0x000000000056F000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fiQ55JT.exe

MD5 a5f5c5d6291c7ae9e1d1b7ed1e551490
SHA1 3d06413341893b838549939e15f8f1eec423d71a
SHA256 1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e
SHA512 d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

memory/2888-58-0x00000000005F0000-0x0000000000622000-memory.dmp

memory/2888-59-0x0000000005550000-0x0000000005B68000-memory.dmp

memory/2888-60-0x00000000050D0000-0x00000000051DA000-memory.dmp

memory/2888-61-0x0000000005000000-0x0000000005012000-memory.dmp

memory/2888-62-0x0000000005060000-0x000000000509C000-memory.dmp

memory/2888-63-0x00000000051E0000-0x000000000522C000-memory.dmp