Malware Analysis Report

2024-12-07 03:36

Sample ID 241117-wb5ngavjay
Target b92ad5e58df2ca2fabacc0f54c5b925912ab58095c81f7a58f1a20b63d8956ab.exe
SHA256 b92ad5e58df2ca2fabacc0f54c5b925912ab58095c81f7a58f1a20b63d8956ab
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

b92ad5e58df2ca2fabacc0f54c5b925912ab58095c81f7a58f1a20b63d8956ab

Threat Level: Known bad

The file b92ad5e58df2ca2fabacc0f54c5b925912ab58095c81f7a58f1a20b63d8956ab.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

2024-11-17 17:45

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-17 17:45

Reported

2024-11-17 17:47

Platform

win10v2004-20241007-en

Max time kernel

106s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b92ad5e58df2ca2fabacc0f54c5b925912ab58095c81f7a58f1a20b63d8956ab.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\bzi03.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\b92ad5e58df2ca2fabacc0f54c5b925912ab58095c81f7a58f1a20b63d8956ab.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\bzi03.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\b92ad5e58df2ca2fabacc0f54c5b925912ab58095c81f7a58f1a20b63d8956ab.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b92ad5e58df2ca2fabacc0f54c5b925912ab58095c81f7a58f1a20b63d8956ab.exe

"C:\Users\Admin\AppData\Local\Temp\b92ad5e58df2ca2fabacc0f54c5b925912ab58095c81f7a58f1a20b63d8956ab.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bzi03.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bzi03.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 67.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.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 8.8.8.8:53 107.12.20.2.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
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
RU 193.233.20.12:4132 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bzi03.exe

MD5 da6f3bef8abc85bd09f50783059964e3
SHA1 a0f25f60ec1896c4c920ea397f40e6ce29724322
SHA256 e6d9ee8ab0ea2ade6e5a9481d8f0f921427ec6919b1b48c6067570fde270736b
SHA512 4d2e1472b114c98c74900b8305aabbc49ba28edffdc2376206cf02e26593df4e444933b3aa19f0c6cd0ae3ac3133d656433574aaf25a57748758e5dd25edfbec

memory/2480-7-0x00000000747BE000-0x00000000747BF000-memory.dmp

memory/2480-8-0x0000000000400000-0x0000000000432000-memory.dmp

memory/2480-9-0x0000000005410000-0x0000000005A28000-memory.dmp

memory/2480-10-0x0000000004F00000-0x000000000500A000-memory.dmp

memory/2480-11-0x0000000004E10000-0x0000000004E22000-memory.dmp

memory/2480-12-0x0000000004E70000-0x0000000004EAC000-memory.dmp

memory/2480-13-0x0000000004EB0000-0x0000000004EFC000-memory.dmp

memory/2480-14-0x00000000747BE000-0x00000000747BF000-memory.dmp