Malware Analysis Report

2025-01-23 07:47

Sample ID 241108-vvpkxswemn
Target ba6ff477a324541f421f240892bfc55dd21001d48f217d01a6024f5231b6cc2f
SHA256 ba6ff477a324541f421f240892bfc55dd21001d48f217d01a6024f5231b6cc2f
Tags
redline fukia 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

ba6ff477a324541f421f240892bfc55dd21001d48f217d01a6024f5231b6cc2f

Threat Level: Known bad

The file ba6ff477a324541f421f240892bfc55dd21001d48f217d01a6024f5231b6cc2f was found to be: Known bad.

Malicious Activity Summary

redline fukia discovery infostealer persistence

RedLine

RedLine payload

Redline family

Executes dropped EXE

Adds Run key to start application

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-08 17:18

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-08 17:18

Reported

2024-11-08 17:21

Platform

win10v2004-20241007-en

Max time kernel

131s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ba6ff477a324541f421f240892bfc55dd21001d48f217d01a6024f5231b6cc2f.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\nYk46.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bWu51.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\ba6ff477a324541f421f240892bfc55dd21001d48f217d01a6024f5231b6cc2f.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\nYk46.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\ba6ff477a324541f421f240892bfc55dd21001d48f217d01a6024f5231b6cc2f.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nYk46.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bWu51.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\ba6ff477a324541f421f240892bfc55dd21001d48f217d01a6024f5231b6cc2f.exe

"C:\Users\Admin\AppData\Local\Temp\ba6ff477a324541f421f240892bfc55dd21001d48f217d01a6024f5231b6cc2f.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nYk46.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nYk46.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bWu51.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bWu51.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 106.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 69.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 106.208.201.84.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.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\nYk46.exe

MD5 506c531aa02ce3267e1b19089deffac2
SHA1 a9a88f11dfd5edcfe3abfe7f13008b8a96e8a220
SHA256 69a72dbd0d783bd55046d3e329da5797f8e04ab91d97c9b9d9f1fe154702483d
SHA512 44a045283ff198e3d46c6cb52a1694d3081b4400b727cba9044773835f0a3b42a8d383cb4cab136ae49ab32fc58319e098915a8bb911a93b04a18733f1b5d035

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bWu51.exe

MD5 a5f5c5d6291c7ae9e1d1b7ed1e551490
SHA1 3d06413341893b838549939e15f8f1eec423d71a
SHA256 1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e
SHA512 d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

memory/556-14-0x00000000742CE000-0x00000000742CF000-memory.dmp

memory/556-15-0x0000000000D00000-0x0000000000D32000-memory.dmp

memory/556-16-0x0000000005CB0000-0x00000000062C8000-memory.dmp

memory/556-17-0x00000000057E0000-0x00000000058EA000-memory.dmp

memory/556-18-0x0000000005710000-0x0000000005722000-memory.dmp

memory/556-19-0x0000000005770000-0x00000000057AC000-memory.dmp

memory/556-20-0x00000000058F0000-0x000000000593C000-memory.dmp

memory/556-21-0x00000000742CE000-0x00000000742CF000-memory.dmp