Malware Analysis Report

2024-12-07 03:36

Sample ID 241111-lsfqkawray
Target 4ff9623d606456ad1e05284299d4c6dc3dffb263e9608ad60386d256cf68bbfa
SHA256 4ff9623d606456ad1e05284299d4c6dc3dffb263e9608ad60386d256cf68bbfa
Tags
redline fusa discovery infostealer persistence
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

4ff9623d606456ad1e05284299d4c6dc3dffb263e9608ad60386d256cf68bbfa

Threat Level: Known bad

The file 4ff9623d606456ad1e05284299d4c6dc3dffb263e9608ad60386d256cf68bbfa was found to be: Known bad.

Malicious Activity Summary

redline fusa discovery infostealer persistence

RedLine

RedLine payload

Redline family

Executes dropped EXE

Adds Run key to start application

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-11 09:47

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-11 09:47

Reported

2024-11-11 09:50

Platform

win10v2004-20241007-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4ff9623d606456ad1e05284299d4c6dc3dffb263e9608ad60386d256cf68bbfa.exe"

Signatures

RedLine

infostealer redline

RedLine payload

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

Redline family

redline

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nYs54.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bAr23.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_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\nYs54.exe N/A
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\4ff9623d606456ad1e05284299d4c6dc3dffb263e9608ad60386d256cf68bbfa.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\IXP001.TMP\bAr23.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\4ff9623d606456ad1e05284299d4c6dc3dffb263e9608ad60386d256cf68bbfa.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nYs54.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4ff9623d606456ad1e05284299d4c6dc3dffb263e9608ad60386d256cf68bbfa.exe

"C:\Users\Admin\AppData\Local\Temp\4ff9623d606456ad1e05284299d4c6dc3dffb263e9608ad60386d256cf68bbfa.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nYs54.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nYs54.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bAr23.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bAr23.exe

Network

Country Destination Domain Proto
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 68.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
RU 193.233.20.12:4132 tcp
RU 193.233.20.12:4132 tcp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 udp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nYs54.exe

MD5 e8f6a1319933769287990628b0edd258
SHA1 7c6c30071ed9a520c2a787e7eb2284f63f40a0a8
SHA256 1aee7dcfd9e842b525a9fae3b62dc8af89c0100ae7ec68ad50d5b7a3deb0d26a
SHA512 83982c51e023eb1963eee6080a769b506ca22f3391f498d08ad53121c2ad413c38f0890fba18ad045fa034327e3746a08f1b7537a275441b2215c5d397233712

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bAr23.exe

MD5 da6f3bef8abc85bd09f50783059964e3
SHA1 a0f25f60ec1896c4c920ea397f40e6ce29724322
SHA256 e6d9ee8ab0ea2ade6e5a9481d8f0f921427ec6919b1b48c6067570fde270736b
SHA512 4d2e1472b114c98c74900b8305aabbc49ba28edffdc2376206cf02e26593df4e444933b3aa19f0c6cd0ae3ac3133d656433574aaf25a57748758e5dd25edfbec

memory/4836-14-0x0000000073CFE000-0x0000000073CFF000-memory.dmp

memory/4836-15-0x00000000001A0000-0x00000000001D2000-memory.dmp

memory/4836-16-0x0000000005100000-0x0000000005718000-memory.dmp

memory/4836-17-0x0000000004C80000-0x0000000004D8A000-memory.dmp

memory/4836-18-0x0000000004BB0000-0x0000000004BC2000-memory.dmp

memory/4836-19-0x0000000004C10000-0x0000000004C4C000-memory.dmp

memory/4836-20-0x0000000004D90000-0x0000000004DDC000-memory.dmp

memory/4836-21-0x0000000073CFE000-0x0000000073CFF000-memory.dmp