Malware Analysis Report

2024-12-07 03:40

Sample ID 241110-w92dpssgmf
Target 62137d2373f8b506e9be61d29c8b61e026d664708dcf39c9aa43cb8e0fc4ad82
SHA256 62137d2373f8b506e9be61d29c8b61e026d664708dcf39c9aa43cb8e0fc4ad82
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

62137d2373f8b506e9be61d29c8b61e026d664708dcf39c9aa43cb8e0fc4ad82

Threat Level: Known bad

The file 62137d2373f8b506e9be61d29c8b61e026d664708dcf39c9aa43cb8e0fc4ad82 was found to be: Known bad.

Malicious Activity Summary

redline fusa discovery infostealer persistence

RedLine payload

Redline family

RedLine

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 18:38

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 18:38

Reported

2024-11-10 18:40

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\62137d2373f8b506e9be61d29c8b61e026d664708dcf39c9aa43cb8e0fc4ad82.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\nYY82.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bBx48.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\62137d2373f8b506e9be61d29c8b61e026d664708dcf39c9aa43cb8e0fc4ad82.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\nYY82.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\62137d2373f8b506e9be61d29c8b61e026d664708dcf39c9aa43cb8e0fc4ad82.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nYY82.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bBx48.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\62137d2373f8b506e9be61d29c8b61e026d664708dcf39c9aa43cb8e0fc4ad82.exe

"C:\Users\Admin\AppData\Local\Temp\62137d2373f8b506e9be61d29c8b61e026d664708dcf39c9aa43cb8e0fc4ad82.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nYY82.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nYY82.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bBx48.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bBx48.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.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 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 97.17.167.52.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.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 88.210.23.2.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 21.236.111.52.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\nYY82.exe

MD5 9506f5c7f6f550e671c9c8a1e5bd2455
SHA1 e4c5b485fca50a9a892fac79d3c16057cd1ba1a4
SHA256 28d66984e280659560dfc99282e98f6718f3bc050912a2709b90a9ced16df4a0
SHA512 6e83553f0720d1fee45061966b579c551fbcc7975d0fedbfd91761aba979f5f918434d642912b31d5b5f29ab53643a6b30b2842f9e1c659b7e012032f81f9763

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bBx48.exe

MD5 da6f3bef8abc85bd09f50783059964e3
SHA1 a0f25f60ec1896c4c920ea397f40e6ce29724322
SHA256 e6d9ee8ab0ea2ade6e5a9481d8f0f921427ec6919b1b48c6067570fde270736b
SHA512 4d2e1472b114c98c74900b8305aabbc49ba28edffdc2376206cf02e26593df4e444933b3aa19f0c6cd0ae3ac3133d656433574aaf25a57748758e5dd25edfbec

memory/1144-14-0x00000000740EE000-0x00000000740EF000-memory.dmp

memory/1144-15-0x0000000000730000-0x0000000000762000-memory.dmp

memory/1144-16-0x0000000005550000-0x0000000005B68000-memory.dmp

memory/1144-17-0x00000000050D0000-0x00000000051DA000-memory.dmp

memory/1144-18-0x0000000005000000-0x0000000005012000-memory.dmp

memory/1144-19-0x0000000005060000-0x000000000509C000-memory.dmp

memory/1144-20-0x00000000051E0000-0x000000000522C000-memory.dmp

memory/1144-21-0x00000000740EE000-0x00000000740EF000-memory.dmp