Malware Analysis Report

2024-12-07 03:39

Sample ID 241110-zx6dnsvepr
Target ef502722e76f66cfe93e458ab9462786f9b3b5d53df788860a38fafbfdae6484
SHA256 ef502722e76f66cfe93e458ab9462786f9b3b5d53df788860a38fafbfdae6484
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

ef502722e76f66cfe93e458ab9462786f9b3b5d53df788860a38fafbfdae6484

Threat Level: Known bad

The file ef502722e76f66cfe93e458ab9462786f9b3b5d53df788860a38fafbfdae6484 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

2024-11-10 21:06

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 21:06

Reported

2024-11-10 21:09

Platform

win10v2004-20241007-en

Max time kernel

132s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ef502722e76f66cfe93e458ab9462786f9b3b5d53df788860a38fafbfdae6484.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\nXA31.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bkY16.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\ef502722e76f66cfe93e458ab9462786f9b3b5d53df788860a38fafbfdae6484.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\nXA31.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\ef502722e76f66cfe93e458ab9462786f9b3b5d53df788860a38fafbfdae6484.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nXA31.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bkY16.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\ef502722e76f66cfe93e458ab9462786f9b3b5d53df788860a38fafbfdae6484.exe

"C:\Users\Admin\AppData\Local\Temp\ef502722e76f66cfe93e458ab9462786f9b3b5d53df788860a38fafbfdae6484.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nXA31.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nXA31.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bkY16.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bkY16.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 4.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.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 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
RU 193.233.20.12:4132 tcp
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\nXA31.exe

MD5 293c2d43b3c7bf7c4b1ee6e8e016229e
SHA1 64fea3459f4aac2200d2d3a546425e3d4a4019e6
SHA256 fc1e28aaa97224b5c4c67f765f11795370f481415d0b6fd84e9a3854bc29d11f
SHA512 8ad349f07ade1aeb8370795eb63932b756e74705af58b972e9e4a6bb8d9c8f51ed2eb7a77a0adbbeafa0de61942c2d202e0c7baa6d1fafda5bc65fb3e8499279

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bkY16.exe

MD5 da6f3bef8abc85bd09f50783059964e3
SHA1 a0f25f60ec1896c4c920ea397f40e6ce29724322
SHA256 e6d9ee8ab0ea2ade6e5a9481d8f0f921427ec6919b1b48c6067570fde270736b
SHA512 4d2e1472b114c98c74900b8305aabbc49ba28edffdc2376206cf02e26593df4e444933b3aa19f0c6cd0ae3ac3133d656433574aaf25a57748758e5dd25edfbec

memory/4940-14-0x0000000073D7E000-0x0000000073D7F000-memory.dmp

memory/4940-15-0x0000000000380000-0x00000000003B2000-memory.dmp

memory/4940-16-0x00000000052E0000-0x00000000058F8000-memory.dmp

memory/4940-17-0x0000000004E60000-0x0000000004F6A000-memory.dmp

memory/4940-18-0x0000000004D90000-0x0000000004DA2000-memory.dmp

memory/4940-19-0x0000000004E10000-0x0000000004E4C000-memory.dmp

memory/4940-20-0x0000000004F70000-0x0000000004FBC000-memory.dmp

memory/4940-21-0x0000000073D7E000-0x0000000073D7F000-memory.dmp