Malware Analysis Report

2025-01-23 07:46

Sample ID 241107-re2nrswleq
Target d8a6185a14158d457ded655b1dcb4239399a684b6e6086a6b10914cea07befdb
SHA256 d8a6185a14158d457ded655b1dcb4239399a684b6e6086a6b10914cea07befdb
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

d8a6185a14158d457ded655b1dcb4239399a684b6e6086a6b10914cea07befdb

Threat Level: Known bad

The file d8a6185a14158d457ded655b1dcb4239399a684b6e6086a6b10914cea07befdb was found to be: Known bad.

Malicious Activity Summary

healer redline fukia discovery dropper evasion infostealer persistence trojan

RedLine

RedLine payload

Modifies Windows Defender Real-time Protection settings

Healer family

Detects Healer an antivirus disabler dropper

Redline family

Healer

Executes dropped EXE

Windows security modification

Adds Run key to start application

Launches sc.exe

System Location Discovery: System Language Discovery

Unsigned PE

Program crash

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-07 14:07

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-07 14:07

Reported

2024-11-07 14:09

Platform

win10v2004-20241007-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d8a6185a14158d457ded655b1dcb4239399a684b6e6086a6b10914cea07befdb.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\DisableRealtimeMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\exa63xa.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\exa63xa.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\doF45PU.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\doF45PU.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\doF45PU.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\exa63xa.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\exa63xa.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\doF45PU.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\doF45PU.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\doF45PU.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\exa63xa.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\exa63xa.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\doF45PU.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\exa63xa.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\exa63xa.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\d8a6185a14158d457ded655b1dcb4239399a684b6e6086a6b10914cea07befdb.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\nsa13fJ30.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\d8a6185a14158d457ded655b1dcb4239399a684b6e6086a6b10914cea07befdb.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nsa13fJ30.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\exa63xa.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fFO93JH.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\doF45PU.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\exa63xa.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3768 wrote to memory of 2028 N/A C:\Users\Admin\AppData\Local\Temp\d8a6185a14158d457ded655b1dcb4239399a684b6e6086a6b10914cea07befdb.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nsa13fJ30.exe
PID 3768 wrote to memory of 2028 N/A C:\Users\Admin\AppData\Local\Temp\d8a6185a14158d457ded655b1dcb4239399a684b6e6086a6b10914cea07befdb.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nsa13fJ30.exe
PID 3768 wrote to memory of 2028 N/A C:\Users\Admin\AppData\Local\Temp\d8a6185a14158d457ded655b1dcb4239399a684b6e6086a6b10914cea07befdb.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nsa13fJ30.exe
PID 2028 wrote to memory of 1384 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nsa13fJ30.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\doF45PU.exe
PID 2028 wrote to memory of 1384 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nsa13fJ30.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\doF45PU.exe
PID 2028 wrote to memory of 4876 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nsa13fJ30.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\exa63xa.exe
PID 2028 wrote to memory of 4876 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nsa13fJ30.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\exa63xa.exe
PID 2028 wrote to memory of 4876 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nsa13fJ30.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\exa63xa.exe
PID 3768 wrote to memory of 5060 N/A C:\Users\Admin\AppData\Local\Temp\d8a6185a14158d457ded655b1dcb4239399a684b6e6086a6b10914cea07befdb.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fFO93JH.exe
PID 3768 wrote to memory of 5060 N/A C:\Users\Admin\AppData\Local\Temp\d8a6185a14158d457ded655b1dcb4239399a684b6e6086a6b10914cea07befdb.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fFO93JH.exe
PID 3768 wrote to memory of 5060 N/A C:\Users\Admin\AppData\Local\Temp\d8a6185a14158d457ded655b1dcb4239399a684b6e6086a6b10914cea07befdb.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fFO93JH.exe

Processes

C:\Users\Admin\AppData\Local\Temp\d8a6185a14158d457ded655b1dcb4239399a684b6e6086a6b10914cea07befdb.exe

"C:\Users\Admin\AppData\Local\Temp\d8a6185a14158d457ded655b1dcb4239399a684b6e6086a6b10914cea07befdb.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nsa13fJ30.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nsa13fJ30.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\doF45PU.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\doF45PU.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\exa63xa.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\exa63xa.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4876 -ip 4876

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4876 -s 1084

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fFO93JH.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fFO93JH.exe

C:\Windows\system32\sc.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 134.32.126.40.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 22.236.111.52.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\nsa13fJ30.exe

MD5 91072760928c59f55998785fc392eec1
SHA1 2b79ebb760bb71e58ac7f94bac0a67a9b38f7958
SHA256 aee6e58d7bf809b56a1dc0840b55d8aeaafba83f8bb97ad709fb356deac7658a
SHA512 215b3a825757603d1a3278b707158175196f9d6c08dfab617fb5ef45aa4f7a91af04f3fe443e25119823bfd83ff8cd02f3d1087cc0d1b58cf0f816bb4cb95259

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\doF45PU.exe

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

memory/1384-14-0x00007FFD63F93000-0x00007FFD63F95000-memory.dmp

memory/1384-15-0x0000000000CF0000-0x0000000000CFA000-memory.dmp

memory/1384-16-0x00007FFD63F93000-0x00007FFD63F95000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\exa63xa.exe

MD5 95d0521245af8d24fa72f2ce47cded32
SHA1 932f5b5afcf601b954e104b99e1ade36ab999751
SHA256 97b7275d4ab95bf2c78bef4ac6f1809830f976c9bbdc7b069d9ec9dc11611a1f
SHA512 ea320d07786dd617a4450f03f75c8453c3cf70df07cbbce075f45aaf7033be2430798dcccf220e1f8caed30283c235dd1e484d5056152457475ec204153a1c2e

memory/4876-22-0x00000000023F0000-0x000000000240A000-memory.dmp

memory/4876-23-0x0000000004C00000-0x00000000051A4000-memory.dmp

memory/4876-24-0x0000000002690000-0x00000000026A8000-memory.dmp

memory/4876-51-0x0000000002690000-0x00000000026A2000-memory.dmp

memory/4876-48-0x0000000002690000-0x00000000026A2000-memory.dmp

memory/4876-46-0x0000000002690000-0x00000000026A2000-memory.dmp

memory/4876-44-0x0000000002690000-0x00000000026A2000-memory.dmp

memory/4876-42-0x0000000002690000-0x00000000026A2000-memory.dmp

memory/4876-40-0x0000000002690000-0x00000000026A2000-memory.dmp

memory/4876-38-0x0000000002690000-0x00000000026A2000-memory.dmp

memory/4876-36-0x0000000002690000-0x00000000026A2000-memory.dmp

memory/4876-34-0x0000000002690000-0x00000000026A2000-memory.dmp

memory/4876-32-0x0000000002690000-0x00000000026A2000-memory.dmp

memory/4876-30-0x0000000002690000-0x00000000026A2000-memory.dmp

memory/4876-28-0x0000000002690000-0x00000000026A2000-memory.dmp

memory/4876-26-0x0000000002690000-0x00000000026A2000-memory.dmp

memory/4876-25-0x0000000002690000-0x00000000026A2000-memory.dmp

memory/4876-52-0x0000000002690000-0x00000000026A2000-memory.dmp

memory/4876-53-0x0000000000400000-0x00000000005E3000-memory.dmp

memory/4876-55-0x0000000000400000-0x00000000005E3000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fFO93JH.exe

MD5 a5f5c5d6291c7ae9e1d1b7ed1e551490
SHA1 3d06413341893b838549939e15f8f1eec423d71a
SHA256 1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e
SHA512 d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

memory/5060-59-0x0000000000900000-0x0000000000932000-memory.dmp

memory/5060-60-0x0000000005740000-0x0000000005D58000-memory.dmp

memory/5060-61-0x00000000052A0000-0x00000000053AA000-memory.dmp

memory/5060-62-0x00000000051D0000-0x00000000051E2000-memory.dmp

memory/5060-63-0x0000000005240000-0x000000000527C000-memory.dmp

memory/5060-64-0x00000000053B0000-0x00000000053FC000-memory.dmp