Malware Analysis Report

2024-12-07 03:38

Sample ID 241110-j8zr9stajr
Target 82e337bbbd9ed64906d0930e2fdc29a708f9c7bfb954c019665da5cf6d14b4e0
SHA256 82e337bbbd9ed64906d0930e2fdc29a708f9c7bfb954c019665da5cf6d14b4e0
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

82e337bbbd9ed64906d0930e2fdc29a708f9c7bfb954c019665da5cf6d14b4e0

Threat Level: Known bad

The file 82e337bbbd9ed64906d0930e2fdc29a708f9c7bfb954c019665da5cf6d14b4e0 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 08:21

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 08:21

Reported

2024-11-10 08:23

Platform

win10v2004-20241007-en

Max time kernel

131s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\82e337bbbd9ed64906d0930e2fdc29a708f9c7bfb954c019665da5cf6d14b4e0.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

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\82e337bbbd9ed64906d0930e2fdc29a708f9c7bfb954c019665da5cf6d14b4e0.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\kpY58OG.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup2 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP002.TMP\\\"" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\kex71Sr.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\82e337bbbd9ed64906d0930e2fdc29a708f9c7bfb954c019665da5cf6d14b4e0.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\kpY58OG.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\kex71Sr.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\dUK42Ea.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4484 wrote to memory of 4608 N/A C:\Users\Admin\AppData\Local\Temp\82e337bbbd9ed64906d0930e2fdc29a708f9c7bfb954c019665da5cf6d14b4e0.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\kpY58OG.exe
PID 4484 wrote to memory of 4608 N/A C:\Users\Admin\AppData\Local\Temp\82e337bbbd9ed64906d0930e2fdc29a708f9c7bfb954c019665da5cf6d14b4e0.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\kpY58OG.exe
PID 4484 wrote to memory of 4608 N/A C:\Users\Admin\AppData\Local\Temp\82e337bbbd9ed64906d0930e2fdc29a708f9c7bfb954c019665da5cf6d14b4e0.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\kpY58OG.exe
PID 4608 wrote to memory of 4892 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\kpY58OG.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\kex71Sr.exe
PID 4608 wrote to memory of 4892 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\kpY58OG.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\kex71Sr.exe
PID 4608 wrote to memory of 4892 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\kpY58OG.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\kex71Sr.exe
PID 4892 wrote to memory of 4532 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\kex71Sr.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\dUK42Ea.exe
PID 4892 wrote to memory of 4532 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\kex71Sr.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\dUK42Ea.exe
PID 4892 wrote to memory of 4532 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\kex71Sr.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\dUK42Ea.exe

Processes

C:\Users\Admin\AppData\Local\Temp\82e337bbbd9ed64906d0930e2fdc29a708f9c7bfb954c019665da5cf6d14b4e0.exe

"C:\Users\Admin\AppData\Local\Temp\82e337bbbd9ed64906d0930e2fdc29a708f9c7bfb954c019665da5cf6d14b4e0.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\kpY58OG.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\kpY58OG.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\kex71Sr.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\kex71Sr.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\dUK42Ea.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\dUK42Ea.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 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 105.209.201.84.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 14.227.111.52.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\kpY58OG.exe

MD5 a89bfab0ac8d30a956df483f5811996b
SHA1 c0a8286f27c07c94463769e757c4936b928bfbbb
SHA256 0cfbed1996a3f90c7d59c4cad9655be441202e9e8bcc260ec37ff2012bc0cb9f
SHA512 3fe24784b3e9c467c682730a1d591311dec15220861d0119fa027becd2d01a617cc9e2a31c55caadf822fd895d8ce11d585d37cef6727915c021eccd9735a31e

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\kex71Sr.exe

MD5 e14479ec6ca0b2c9f76c82c62882eb2c
SHA1 135428801d34ce83fdb74363b335bc2ab675125f
SHA256 517e3a0ea49961c8a815aa245fbe57f7e282ab12ace2ff08a85c911773a3ce4a
SHA512 ed5107e1ccf15eef2f6a09c27d378e39adb09c05c4e9cace6994a99ee6e27b446c534448ed7b40aa6ff4f07cdf789bde48455b1f425603d2c18958aa802172f4

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\dUK42Ea.exe

MD5 da6f3bef8abc85bd09f50783059964e3
SHA1 a0f25f60ec1896c4c920ea397f40e6ce29724322
SHA256 e6d9ee8ab0ea2ade6e5a9481d8f0f921427ec6919b1b48c6067570fde270736b
SHA512 4d2e1472b114c98c74900b8305aabbc49ba28edffdc2376206cf02e26593df4e444933b3aa19f0c6cd0ae3ac3133d656433574aaf25a57748758e5dd25edfbec

memory/4532-21-0x0000000000030000-0x0000000000062000-memory.dmp

memory/4532-22-0x0000000004FA0000-0x00000000055B8000-memory.dmp

memory/4532-23-0x0000000004B10000-0x0000000004C1A000-memory.dmp

memory/4532-24-0x0000000004A40000-0x0000000004A52000-memory.dmp

memory/4532-25-0x0000000004AA0000-0x0000000004ADC000-memory.dmp

memory/4532-26-0x0000000004C20000-0x0000000004C6C000-memory.dmp