Malware Analysis Report

2024-12-07 03:37

Sample ID 241112-b322fa1hqa
Target a2beca108ef1fba394c1ddf274bccefed3a76725e913464532ea426025878f15
SHA256 a2beca108ef1fba394c1ddf274bccefed3a76725e913464532ea426025878f15
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

a2beca108ef1fba394c1ddf274bccefed3a76725e913464532ea426025878f15

Threat Level: Known bad

The file a2beca108ef1fba394c1ddf274bccefed3a76725e913464532ea426025878f15 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

2024-11-12 01:40

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-12 01:40

Reported

2024-11-12 01:43

Platform

win10v2004-20241007-en

Max time kernel

132s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a2beca108ef1fba394c1ddf274bccefed3a76725e913464532ea426025878f15.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\nSD79.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bHL05.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\a2beca108ef1fba394c1ddf274bccefed3a76725e913464532ea426025878f15.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\nSD79.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\a2beca108ef1fba394c1ddf274bccefed3a76725e913464532ea426025878f15.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nSD79.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bHL05.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\a2beca108ef1fba394c1ddf274bccefed3a76725e913464532ea426025878f15.exe

"C:\Users\Admin\AppData\Local\Temp\a2beca108ef1fba394c1ddf274bccefed3a76725e913464532ea426025878f15.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nSD79.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nSD79.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bHL05.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bHL05.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.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 8.8.8.8:53 206.23.85.13.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 8.8.8.8:53 105.209.201.84.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
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\nSD79.exe

MD5 084983018dd71c28140a475af594e175
SHA1 c7ded897955ffb5e031000a062d54ee5e660e4ee
SHA256 f4c1e6939111961b7fc7c7ad9809e80b02a4d74f2e5767734d561b81a4410c1f
SHA512 2fc5bef26fa19b009f3fb169de359e575a50ab63ea1e12b1b1c2bb089ef9c6bb48e29bbe25df7bcfa7465e887f7d65642f4ab94127bd0b52eeac7278f8f0fa28

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bHL05.exe

MD5 da6f3bef8abc85bd09f50783059964e3
SHA1 a0f25f60ec1896c4c920ea397f40e6ce29724322
SHA256 e6d9ee8ab0ea2ade6e5a9481d8f0f921427ec6919b1b48c6067570fde270736b
SHA512 4d2e1472b114c98c74900b8305aabbc49ba28edffdc2376206cf02e26593df4e444933b3aa19f0c6cd0ae3ac3133d656433574aaf25a57748758e5dd25edfbec

memory/2984-14-0x00000000743FE000-0x00000000743FF000-memory.dmp

memory/2984-15-0x0000000000F80000-0x0000000000FB2000-memory.dmp

memory/2984-16-0x0000000005DA0000-0x00000000063B8000-memory.dmp

memory/2984-17-0x0000000005920000-0x0000000005A2A000-memory.dmp

memory/2984-18-0x0000000005870000-0x0000000005882000-memory.dmp

memory/2984-19-0x00000000058D0000-0x000000000590C000-memory.dmp

memory/2984-20-0x0000000005A30000-0x0000000005A7C000-memory.dmp

memory/2984-21-0x00000000743FE000-0x00000000743FF000-memory.dmp