Malware Analysis Report

2024-12-07 03:36

Sample ID 241115-yzccyazqbs
Target 79305c40657c8194f395a4e85ddb878783d78a3af504abe4594ad7984f978d6bN.exe
SHA256 79305c40657c8194f395a4e85ddb878783d78a3af504abe4594ad7984f978d6b
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

79305c40657c8194f395a4e85ddb878783d78a3af504abe4594ad7984f978d6b

Threat Level: Known bad

The file 79305c40657c8194f395a4e85ddb878783d78a3af504abe4594ad7984f978d6bN.exe 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

2024-11-15 20:12

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-15 20:12

Reported

2024-11-15 20:15

Platform

win10v2004-20241007-en

Max time kernel

133s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\79305c40657c8194f395a4e85ddb878783d78a3af504abe4594ad7984f978d6bN.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\bvV78.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\79305c40657c8194f395a4e85ddb878783d78a3af504abe4594ad7984f978d6bN.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\79305c40657c8194f395a4e85ddb878783d78a3af504abe4594ad7984f978d6bN.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bvV78.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\79305c40657c8194f395a4e85ddb878783d78a3af504abe4594ad7984f978d6bN.exe

"C:\Users\Admin\AppData\Local\Temp\79305c40657c8194f395a4e85ddb878783d78a3af504abe4594ad7984f978d6bN.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bvV78.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bvV78.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 88.210.23.2.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 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 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
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 22.236.111.52.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\bvV78.exe

MD5 da6f3bef8abc85bd09f50783059964e3
SHA1 a0f25f60ec1896c4c920ea397f40e6ce29724322
SHA256 e6d9ee8ab0ea2ade6e5a9481d8f0f921427ec6919b1b48c6067570fde270736b
SHA512 4d2e1472b114c98c74900b8305aabbc49ba28edffdc2376206cf02e26593df4e444933b3aa19f0c6cd0ae3ac3133d656433574aaf25a57748758e5dd25edfbec

memory/2868-7-0x00000000745AE000-0x00000000745AF000-memory.dmp

memory/2868-8-0x00000000002F0000-0x0000000000322000-memory.dmp

memory/2868-9-0x00000000052E0000-0x00000000058F8000-memory.dmp

memory/2868-10-0x0000000004DD0000-0x0000000004EDA000-memory.dmp

memory/2868-11-0x0000000004D00000-0x0000000004D12000-memory.dmp

memory/2868-12-0x0000000004D60000-0x0000000004D9C000-memory.dmp

memory/2868-13-0x0000000004EE0000-0x0000000004F2C000-memory.dmp

memory/2868-14-0x00000000745AE000-0x00000000745AF000-memory.dmp