Malware Analysis Report

2024-12-07 03:40

Sample ID 241110-zky4tsxrap
Target 273659767d5c597a4e9868fc9c41488da23322c8ab5200d2efa0a2d7646c483f
SHA256 273659767d5c597a4e9868fc9c41488da23322c8ab5200d2efa0a2d7646c483f
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

273659767d5c597a4e9868fc9c41488da23322c8ab5200d2efa0a2d7646c483f

Threat Level: Known bad

The file 273659767d5c597a4e9868fc9c41488da23322c8ab5200d2efa0a2d7646c483f 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 20:47

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 20:47

Reported

2024-11-10 20:49

Platform

win10v2004-20241007-en

Max time kernel

149s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\273659767d5c597a4e9868fc9c41488da23322c8ab5200d2efa0a2d7646c483f.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\nhN96.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bdX76.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\nhN96.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\273659767d5c597a4e9868fc9c41488da23322c8ab5200d2efa0a2d7646c483f.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\273659767d5c597a4e9868fc9c41488da23322c8ab5200d2efa0a2d7646c483f.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nhN96.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bdX76.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\273659767d5c597a4e9868fc9c41488da23322c8ab5200d2efa0a2d7646c483f.exe

"C:\Users\Admin\AppData\Local\Temp\273659767d5c597a4e9868fc9c41488da23322c8ab5200d2efa0a2d7646c483f.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nhN96.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nhN96.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bdX76.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bdX76.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 149.220.183.52.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 95.221.229.192.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 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 71.208.201.84.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
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\nhN96.exe

MD5 4f3f0aec85719576353bafd798bd55bb
SHA1 072e79a795a923b7da8f0babf07311b288254bc8
SHA256 0f83959ebb006aac8195c4ec74c355d9e44301c4945a546f7a7ceeff2f428c45
SHA512 3ae5fd8960189206bc9d9f8b0b7980ad1612fb9e3bf041a1e7d9e40460adf4d5ec7672c674ba9ea45eaa9e3419b6763e8c14836f62e649add15134d264e6ad6f

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bdX76.exe

MD5 da6f3bef8abc85bd09f50783059964e3
SHA1 a0f25f60ec1896c4c920ea397f40e6ce29724322
SHA256 e6d9ee8ab0ea2ade6e5a9481d8f0f921427ec6919b1b48c6067570fde270736b
SHA512 4d2e1472b114c98c74900b8305aabbc49ba28edffdc2376206cf02e26593df4e444933b3aa19f0c6cd0ae3ac3133d656433574aaf25a57748758e5dd25edfbec

memory/2468-14-0x000000007434E000-0x000000007434F000-memory.dmp

memory/2468-15-0x0000000000E60000-0x0000000000E92000-memory.dmp

memory/2468-16-0x0000000005C80000-0x0000000006298000-memory.dmp

memory/2468-17-0x0000000005800000-0x000000000590A000-memory.dmp

memory/2468-18-0x0000000005730000-0x0000000005742000-memory.dmp

memory/2468-19-0x0000000005790000-0x00000000057CC000-memory.dmp

memory/2468-20-0x0000000005910000-0x000000000595C000-memory.dmp

memory/2468-21-0x000000007434E000-0x000000007434F000-memory.dmp