Malware Analysis Report

2024-12-07 03:40

Sample ID 241111-bcnfcsyfkm
Target 6c12e93fc043fc7c6abc1f1ccb95715b7b9f9710450559c4340bf7a4c94d689c
SHA256 6c12e93fc043fc7c6abc1f1ccb95715b7b9f9710450559c4340bf7a4c94d689c
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

6c12e93fc043fc7c6abc1f1ccb95715b7b9f9710450559c4340bf7a4c94d689c

Threat Level: Known bad

The file 6c12e93fc043fc7c6abc1f1ccb95715b7b9f9710450559c4340bf7a4c94d689c 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

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-11 01:00

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-11 01:00

Reported

2024-11-11 01:02

Platform

win10v2004-20241007-en

Max time kernel

131s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6c12e93fc043fc7c6abc1f1ccb95715b7b9f9710450559c4340bf7a4c94d689c.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\nyO67.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bxo66.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\nyO67.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\6c12e93fc043fc7c6abc1f1ccb95715b7b9f9710450559c4340bf7a4c94d689c.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\IXP000.TMP\nyO67.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bxo66.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\6c12e93fc043fc7c6abc1f1ccb95715b7b9f9710450559c4340bf7a4c94d689c.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\6c12e93fc043fc7c6abc1f1ccb95715b7b9f9710450559c4340bf7a4c94d689c.exe

"C:\Users\Admin\AppData\Local\Temp\6c12e93fc043fc7c6abc1f1ccb95715b7b9f9710450559c4340bf7a4c94d689c.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nyO67.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nyO67.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bxo66.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bxo66.exe

Network

Country Destination Domain Proto
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 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 67.208.201.84.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 29.243.111.52.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\nyO67.exe

MD5 19ec4b207cc7ba493c0b611f6a66780a
SHA1 5af158d4c30728b4ade0351366ff26d3e6330682
SHA256 5c6b4b2eaaeaaf501ace7ff487c09e6178dd2ba9732710233a48971b26fb2a0d
SHA512 9e47669016ff1c3b9e1ab6423c17b5aca9c23bbcffedc592ea153fc2c8dac4fb6b8fdb4419a4eb211db50f013cea6d7afd948c35d405c6c5234283c1ee44c7fa

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bxo66.exe

MD5 da6f3bef8abc85bd09f50783059964e3
SHA1 a0f25f60ec1896c4c920ea397f40e6ce29724322
SHA256 e6d9ee8ab0ea2ade6e5a9481d8f0f921427ec6919b1b48c6067570fde270736b
SHA512 4d2e1472b114c98c74900b8305aabbc49ba28edffdc2376206cf02e26593df4e444933b3aa19f0c6cd0ae3ac3133d656433574aaf25a57748758e5dd25edfbec

memory/2732-14-0x00000000741EE000-0x00000000741EF000-memory.dmp

memory/2732-15-0x0000000000180000-0x00000000001B2000-memory.dmp

memory/2732-16-0x0000000004FB0000-0x00000000055C8000-memory.dmp

memory/2732-17-0x0000000004B20000-0x0000000004C2A000-memory.dmp

memory/2732-18-0x0000000004A50000-0x0000000004A62000-memory.dmp

memory/2732-19-0x0000000004AB0000-0x0000000004AEC000-memory.dmp

memory/2732-20-0x0000000004C30000-0x0000000004C7C000-memory.dmp

memory/2732-21-0x00000000741EE000-0x00000000741EF000-memory.dmp