Malware Analysis Report

2024-12-07 03:40

Sample ID 241110-x35m8atbjn
Target 728a931f647782bd62d8be58077b0a446db865bac40edc92a9848c60351d64d8
SHA256 728a931f647782bd62d8be58077b0a446db865bac40edc92a9848c60351d64d8
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

728a931f647782bd62d8be58077b0a446db865bac40edc92a9848c60351d64d8

Threat Level: Known bad

The file 728a931f647782bd62d8be58077b0a446db865bac40edc92a9848c60351d64d8 was found to be: Known bad.

Malicious Activity Summary

redline fusa discovery infostealer persistence

Redline family

RedLine

RedLine payload

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

2024-11-10 19:23

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 19:23

Reported

2024-11-10 19:26

Platform

win10v2004-20241007-en

Max time kernel

132s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\728a931f647782bd62d8be58077b0a446db865bac40edc92a9848c60351d64d8.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\nai44.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bty05.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\728a931f647782bd62d8be58077b0a446db865bac40edc92a9848c60351d64d8.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\nai44.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\728a931f647782bd62d8be58077b0a446db865bac40edc92a9848c60351d64d8.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nai44.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bty05.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\728a931f647782bd62d8be58077b0a446db865bac40edc92a9848c60351d64d8.exe

"C:\Users\Admin\AppData\Local\Temp\728a931f647782bd62d8be58077b0a446db865bac40edc92a9848c60351d64d8.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nai44.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nai44.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bty05.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bty05.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 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
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 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 101.208.201.84.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 102.209.201.84.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
RU 193.233.20.12:4132 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nai44.exe

MD5 629dd952aa9bac8537959083be43c548
SHA1 ded31d37bd7897e817d8be43f9ce745c83c6e182
SHA256 0b4403669b6f8127aab92e763359adf66850a88d67fcc05af7f5f6931e22e538
SHA512 07670310a0239ae28fd27195d8d958e3a01aba6f9244f105c24955a722de5c10bd35ecd04874ede162b9873fa9d1499a2896eaa375a22f29e4185691e75bec40

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bty05.exe

MD5 da6f3bef8abc85bd09f50783059964e3
SHA1 a0f25f60ec1896c4c920ea397f40e6ce29724322
SHA256 e6d9ee8ab0ea2ade6e5a9481d8f0f921427ec6919b1b48c6067570fde270736b
SHA512 4d2e1472b114c98c74900b8305aabbc49ba28edffdc2376206cf02e26593df4e444933b3aa19f0c6cd0ae3ac3133d656433574aaf25a57748758e5dd25edfbec

memory/3436-14-0x0000000073E8E000-0x0000000073E8F000-memory.dmp

memory/3436-15-0x0000000000E20000-0x0000000000E52000-memory.dmp

memory/3436-16-0x0000000005DE0000-0x00000000063F8000-memory.dmp

memory/3436-17-0x0000000005900000-0x0000000005A0A000-memory.dmp

memory/3436-18-0x0000000005830000-0x0000000005842000-memory.dmp

memory/3436-19-0x0000000005890000-0x00000000058CC000-memory.dmp

memory/3436-20-0x0000000005A10000-0x0000000005A5C000-memory.dmp

memory/3436-21-0x0000000073E8E000-0x0000000073E8F000-memory.dmp