Malware Analysis Report

2024-12-07 04:12

Sample ID 241110-x8bmbssqcy
Target 8f3896493adf11312618815d727b0f74311eafae98e9bb48190da0f437cefd61
SHA256 8f3896493adf11312618815d727b0f74311eafae98e9bb48190da0f437cefd61
Tags
healer redline ruma 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

8f3896493adf11312618815d727b0f74311eafae98e9bb48190da0f437cefd61

Threat Level: Known bad

The file 8f3896493adf11312618815d727b0f74311eafae98e9bb48190da0f437cefd61 was found to be: Known bad.

Malicious Activity Summary

healer redline ruma discovery dropper evasion infostealer persistence trojan

RedLine payload

Detects Healer an antivirus disabler dropper

Healer family

Redline family

Healer

Modifies Windows Defender Real-time Protection settings

RedLine

Windows security modification

Executes dropped EXE

Adds Run key to start application

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-10 19:30

Signatures

Unsigned PE

Description Indicator Process Target
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Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 19:30

Reported

2024-11-10 19:33

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8f3896493adf11312618815d727b0f74311eafae98e9bb48190da0f437cefd61.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
Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\duQ11Gs.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\duQ11Gs.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\duQ11Gs.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\duQ11Gs.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\duQ11Gs.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\duQ11Gs.exe N/A

RedLine

infostealer redline

RedLine payload

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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\duQ11Gs.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\8f3896493adf11312618815d727b0f74311eafae98e9bb48190da0f437cefd61.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\nhA15RO61.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\8f3896493adf11312618815d727b0f74311eafae98e9bb48190da0f437cefd61.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nhA15RO61.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eAv43Bj.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\duQ11Gs.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\duQ11Gs.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\duQ11Gs.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eAv43Bj.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\8f3896493adf11312618815d727b0f74311eafae98e9bb48190da0f437cefd61.exe

"C:\Users\Admin\AppData\Local\Temp\8f3896493adf11312618815d727b0f74311eafae98e9bb48190da0f437cefd61.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nhA15RO61.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nhA15RO61.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\duQ11Gs.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\duQ11Gs.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eAv43Bj.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eAv43Bj.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.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
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
RU 193.233.20.13:4136 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nhA15RO61.exe

MD5 2b7cf5f7ba1c70d7c143c70fa6d3f4f6
SHA1 7ee549a17a948ebfb04a757d376eb8607a1d738b
SHA256 bb42eb4111a9bbb1588d3df7d303e50a67fdefd84b87f87625f25501e0cdc538
SHA512 875706ed9dd37df72d9017bfb11a226f5e247c6a3f92ebcdd71ef3c852f22a8b191cc7b3b8283477012a8169f0d233660231e4e0e819f4386b62091f01f1a084

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\duQ11Gs.exe

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

memory/2820-14-0x00007FF9E7FE3000-0x00007FF9E7FE5000-memory.dmp

memory/2820-15-0x0000000000570000-0x000000000057A000-memory.dmp

memory/2820-16-0x00007FF9E7FE3000-0x00007FF9E7FE5000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eAv43Bj.exe

MD5 32c8b3b5e43f7f5899f1f3c275cbdce1
SHA1 76fbc6dd6393febe80fc382f9de49eb5941dc3bf
SHA256 1354fea783bfe2d72267bb11cd26ddd9850b93ad93592d9b8e48eb072cfdfc68
SHA512 6e418376e426c2e0978c7061e4c73925fb8725d17250c952b4d5d109ace4922311c4ee382224678aa10a06af6b7d50b718e33a50b90abe8df413673da8bba854

memory/2172-22-0x00000000027F0000-0x0000000002836000-memory.dmp

memory/2172-23-0x0000000004E10000-0x00000000053B4000-memory.dmp

memory/2172-24-0x0000000002870000-0x00000000028B4000-memory.dmp

memory/2172-26-0x0000000002870000-0x00000000028AE000-memory.dmp

memory/2172-38-0x0000000002870000-0x00000000028AE000-memory.dmp

memory/2172-89-0x0000000002870000-0x00000000028AE000-memory.dmp

memory/2172-86-0x0000000002870000-0x00000000028AE000-memory.dmp

memory/2172-84-0x0000000002870000-0x00000000028AE000-memory.dmp

memory/2172-82-0x0000000002870000-0x00000000028AE000-memory.dmp

memory/2172-80-0x0000000002870000-0x00000000028AE000-memory.dmp

memory/2172-78-0x0000000002870000-0x00000000028AE000-memory.dmp

memory/2172-76-0x0000000002870000-0x00000000028AE000-memory.dmp

memory/2172-74-0x0000000002870000-0x00000000028AE000-memory.dmp

memory/2172-72-0x0000000002870000-0x00000000028AE000-memory.dmp

memory/2172-70-0x0000000002870000-0x00000000028AE000-memory.dmp

memory/2172-68-0x0000000002870000-0x00000000028AE000-memory.dmp

memory/2172-66-0x0000000002870000-0x00000000028AE000-memory.dmp

memory/2172-64-0x0000000002870000-0x00000000028AE000-memory.dmp

memory/2172-62-0x0000000002870000-0x00000000028AE000-memory.dmp

memory/2172-58-0x0000000002870000-0x00000000028AE000-memory.dmp

memory/2172-56-0x0000000002870000-0x00000000028AE000-memory.dmp

memory/2172-54-0x0000000002870000-0x00000000028AE000-memory.dmp

memory/2172-52-0x0000000002870000-0x00000000028AE000-memory.dmp

memory/2172-50-0x0000000002870000-0x00000000028AE000-memory.dmp

memory/2172-49-0x0000000002870000-0x00000000028AE000-memory.dmp

memory/2172-46-0x0000000002870000-0x00000000028AE000-memory.dmp

memory/2172-44-0x0000000002870000-0x00000000028AE000-memory.dmp

memory/2172-42-0x0000000002870000-0x00000000028AE000-memory.dmp

memory/2172-36-0x0000000002870000-0x00000000028AE000-memory.dmp

memory/2172-34-0x0000000002870000-0x00000000028AE000-memory.dmp

memory/2172-32-0x0000000002870000-0x00000000028AE000-memory.dmp

memory/2172-30-0x0000000002870000-0x00000000028AE000-memory.dmp

memory/2172-28-0x0000000002870000-0x00000000028AE000-memory.dmp

memory/2172-60-0x0000000002870000-0x00000000028AE000-memory.dmp

memory/2172-40-0x0000000002870000-0x00000000028AE000-memory.dmp

memory/2172-25-0x0000000002870000-0x00000000028AE000-memory.dmp

memory/2172-931-0x00000000053C0000-0x00000000059D8000-memory.dmp

memory/2172-932-0x00000000059E0000-0x0000000005AEA000-memory.dmp

memory/2172-933-0x0000000005AF0000-0x0000000005B02000-memory.dmp

memory/2172-934-0x0000000005B10000-0x0000000005B4C000-memory.dmp

memory/2172-935-0x0000000005C50000-0x0000000005C9C000-memory.dmp