Malware Analysis Report

2024-12-07 03:56

Sample ID 241113-p756jsvrfp
Target b9f8f5f000213abf015deeb9c39150161ddfc896a9e2aa3928fe7c53fcd51e63N.exe
SHA256 b9f8f5f000213abf015deeb9c39150161ddfc896a9e2aa3928fe7c53fcd51e63
Tags
healer redline ronam 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

b9f8f5f000213abf015deeb9c39150161ddfc896a9e2aa3928fe7c53fcd51e63

Threat Level: Known bad

The file b9f8f5f000213abf015deeb9c39150161ddfc896a9e2aa3928fe7c53fcd51e63N.exe was found to be: Known bad.

Malicious Activity Summary

healer redline ronam discovery dropper evasion infostealer persistence trojan

RedLine

RedLine payload

Healer

Redline family

Healer family

Modifies Windows Defender Real-time Protection settings

Detects Healer an antivirus disabler dropper

Executes dropped EXE

Windows security modification

Adds Run key to start application

Unsigned PE

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

2024-11-13 12:59

Signatures

Unsigned PE

Description Indicator Process Target
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Analysis: behavioral1

Detonation Overview

Submitted

2024-11-13 12:59

Reported

2024-11-13 13:01

Platform

win10v2004-20241007-en

Max time kernel

149s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b9f8f5f000213abf015deeb9c39150161ddfc896a9e2aa3928fe7c53fcd51e63N.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\DisableBehaviorMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dRL95OY.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dRL95OY.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dRL95OY.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dRL95OY.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dRL95OY.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dRL95OY.exe N/A

RedLine

infostealer redline

RedLine payload

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Redline family

redline

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dRL95OY.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\eFc08oz.exe N/A

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\IXP000.TMP\dRL95OY.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\b9f8f5f000213abf015deeb9c39150161ddfc896a9e2aa3928fe7c53fcd51e63N.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\b9f8f5f000213abf015deeb9c39150161ddfc896a9e2aa3928fe7c53fcd51e63N.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\eFc08oz.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dRL95OY.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dRL95OY.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dRL95OY.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\eFc08oz.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b9f8f5f000213abf015deeb9c39150161ddfc896a9e2aa3928fe7c53fcd51e63N.exe

"C:\Users\Admin\AppData\Local\Temp\b9f8f5f000213abf015deeb9c39150161ddfc896a9e2aa3928fe7c53fcd51e63N.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dRL95OY.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dRL95OY.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\eFc08oz.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\eFc08oz.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
RU 193.233.20.17:4139 tcp
RU 193.233.20.17:4139 tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
RU 193.233.20.17:4139 tcp
RU 193.233.20.17:4139 tcp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
RU 193.233.20.17:4139 tcp
RU 193.233.20.17:4139 tcp
US 8.8.8.8:53 27.173.189.20.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dRL95OY.exe

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

memory/2172-7-0x00007FFBBD1E3000-0x00007FFBBD1E5000-memory.dmp

memory/2172-8-0x0000000000460000-0x000000000046A000-memory.dmp

memory/2172-9-0x00007FFBBD1E3000-0x00007FFBBD1E5000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\eFc08oz.exe

MD5 55ba236dab3eab64d3f0206fe9b048ea
SHA1 98309031af77f9f0cda6051a2d1ef1bd3d01869c
SHA256 a688e863d683e08fdeec9d225f2d87d034c92126bd47a9126f25d0691e0aa101
SHA512 60d83623e8d700e1af62cd97dd4916e3175a001d77d61aaa47a004369182eab24dd79ca43d12032c48763f62ac000c9028bf22b394e30a7a4312ad37cd8b9f9e

memory/4836-17-0x0000000000400000-0x000000000044E000-memory.dmp

memory/4836-16-0x0000000000680000-0x00000000006CB000-memory.dmp

memory/4836-15-0x0000000000730000-0x0000000000830000-memory.dmp

memory/4836-18-0x00000000024E0000-0x0000000002526000-memory.dmp

memory/4836-19-0x0000000004FB0000-0x0000000005554000-memory.dmp

memory/4836-20-0x00000000026B0000-0x00000000026F4000-memory.dmp

memory/4836-30-0x00000000026B0000-0x00000000026EE000-memory.dmp

memory/4836-40-0x00000000026B0000-0x00000000026EE000-memory.dmp

memory/4836-84-0x00000000026B0000-0x00000000026EE000-memory.dmp

memory/4836-82-0x00000000026B0000-0x00000000026EE000-memory.dmp

memory/4836-80-0x00000000026B0000-0x00000000026EE000-memory.dmp

memory/4836-76-0x00000000026B0000-0x00000000026EE000-memory.dmp

memory/4836-74-0x00000000026B0000-0x00000000026EE000-memory.dmp

memory/4836-70-0x00000000026B0000-0x00000000026EE000-memory.dmp

memory/4836-68-0x00000000026B0000-0x00000000026EE000-memory.dmp

memory/4836-66-0x00000000026B0000-0x00000000026EE000-memory.dmp

memory/4836-64-0x00000000026B0000-0x00000000026EE000-memory.dmp

memory/4836-62-0x00000000026B0000-0x00000000026EE000-memory.dmp

memory/4836-60-0x00000000026B0000-0x00000000026EE000-memory.dmp

memory/4836-58-0x00000000026B0000-0x00000000026EE000-memory.dmp

memory/4836-56-0x00000000026B0000-0x00000000026EE000-memory.dmp

memory/4836-54-0x00000000026B0000-0x00000000026EE000-memory.dmp

memory/4836-52-0x00000000026B0000-0x00000000026EE000-memory.dmp

memory/4836-48-0x00000000026B0000-0x00000000026EE000-memory.dmp

memory/4836-46-0x00000000026B0000-0x00000000026EE000-memory.dmp

memory/4836-44-0x00000000026B0000-0x00000000026EE000-memory.dmp

memory/4836-42-0x00000000026B0000-0x00000000026EE000-memory.dmp

memory/4836-38-0x00000000026B0000-0x00000000026EE000-memory.dmp

memory/4836-36-0x00000000026B0000-0x00000000026EE000-memory.dmp

memory/4836-34-0x00000000026B0000-0x00000000026EE000-memory.dmp

memory/4836-32-0x00000000026B0000-0x00000000026EE000-memory.dmp

memory/4836-28-0x00000000026B0000-0x00000000026EE000-memory.dmp

memory/4836-26-0x00000000026B0000-0x00000000026EE000-memory.dmp

memory/4836-24-0x00000000026B0000-0x00000000026EE000-memory.dmp

memory/4836-78-0x00000000026B0000-0x00000000026EE000-memory.dmp

memory/4836-72-0x00000000026B0000-0x00000000026EE000-memory.dmp

memory/4836-50-0x00000000026B0000-0x00000000026EE000-memory.dmp

memory/4836-22-0x00000000026B0000-0x00000000026EE000-memory.dmp

memory/4836-21-0x00000000026B0000-0x00000000026EE000-memory.dmp

memory/4836-927-0x0000000005560000-0x0000000005B78000-memory.dmp

memory/4836-928-0x0000000004DF0000-0x0000000004EFA000-memory.dmp

memory/4836-929-0x0000000002820000-0x0000000002832000-memory.dmp

memory/4836-930-0x0000000004F00000-0x0000000004F3C000-memory.dmp

memory/4836-931-0x0000000002840000-0x000000000288C000-memory.dmp

memory/4836-932-0x0000000000730000-0x0000000000830000-memory.dmp

memory/4836-933-0x0000000000680000-0x00000000006CB000-memory.dmp

memory/4836-935-0x0000000000400000-0x000000000044E000-memory.dmp