Malware Analysis Report

2024-12-07 03:37

Sample ID 241110-xwr4jsshqr
Target 73f183fd197df02048750abecb35b35f07321692eeb04fa88ae306a529430de5
SHA256 73f183fd197df02048750abecb35b35f07321692eeb04fa88ae306a529430de5
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

73f183fd197df02048750abecb35b35f07321692eeb04fa88ae306a529430de5

Threat Level: Known bad

The file 73f183fd197df02048750abecb35b35f07321692eeb04fa88ae306a529430de5 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 19:12

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 19:12

Reported

2024-11-10 19:15

Platform

win10v2004-20241007-en

Max time kernel

150s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\73f183fd197df02048750abecb35b35f07321692eeb04fa88ae306a529430de5.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\nLr76.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bOh14.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\73f183fd197df02048750abecb35b35f07321692eeb04fa88ae306a529430de5.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\nLr76.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\73f183fd197df02048750abecb35b35f07321692eeb04fa88ae306a529430de5.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nLr76.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bOh14.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\73f183fd197df02048750abecb35b35f07321692eeb04fa88ae306a529430de5.exe

"C:\Users\Admin\AppData\Local\Temp\73f183fd197df02048750abecb35b35f07321692eeb04fa88ae306a529430de5.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nLr76.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nLr76.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bOh14.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bOh14.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.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
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 82.190.18.2.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
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 85.65.42.20.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nLr76.exe

MD5 0d07d2086467ad5ab74c1d44abcb6fad
SHA1 a3ec643b2a8e6e21ac753eab5f8aad7cd2d1b977
SHA256 a7c4b5ca21e27a0f80fcc664952c0db6125f65a8f303d1a16080b271e6f41025
SHA512 1a9a2402242fc31e4f9bea0f004f9f9ded84ec1a3e0c05becf3f9e0b367f86c629cb31235b68cd3d824918d87e61499b76854c3db89dda572779639492dd1343

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bOh14.exe

MD5 da6f3bef8abc85bd09f50783059964e3
SHA1 a0f25f60ec1896c4c920ea397f40e6ce29724322
SHA256 e6d9ee8ab0ea2ade6e5a9481d8f0f921427ec6919b1b48c6067570fde270736b
SHA512 4d2e1472b114c98c74900b8305aabbc49ba28edffdc2376206cf02e26593df4e444933b3aa19f0c6cd0ae3ac3133d656433574aaf25a57748758e5dd25edfbec

memory/4464-14-0x000000007416E000-0x000000007416F000-memory.dmp

memory/4464-15-0x00000000004F0000-0x0000000000522000-memory.dmp

memory/4464-16-0x0000000005310000-0x0000000005928000-memory.dmp

memory/4464-17-0x0000000004E90000-0x0000000004F9A000-memory.dmp

memory/4464-18-0x0000000004DC0000-0x0000000004DD2000-memory.dmp

memory/4464-19-0x0000000004E50000-0x0000000004E8C000-memory.dmp

memory/4464-20-0x0000000004FA0000-0x0000000004FEC000-memory.dmp

memory/4464-21-0x000000007416E000-0x000000007416F000-memory.dmp