Malware Analysis Report

2024-12-07 03:39

Sample ID 241110-w3eala1qhz
Target 4b9897370737dbdeaebf2a0cd79b7ad883c0ec62f662e22c57204d9368c24d65
SHA256 4b9897370737dbdeaebf2a0cd79b7ad883c0ec62f662e22c57204d9368c24d65
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

4b9897370737dbdeaebf2a0cd79b7ad883c0ec62f662e22c57204d9368c24d65

Threat Level: Known bad

The file 4b9897370737dbdeaebf2a0cd79b7ad883c0ec62f662e22c57204d9368c24d65 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

2024-11-10 18:26

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 18:26

Reported

2024-11-10 18:29

Platform

win10v2004-20241007-en

Max time kernel

131s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4b9897370737dbdeaebf2a0cd79b7ad883c0ec62f662e22c57204d9368c24d65.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\nCd35.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bPi65.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\nCd35.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\4b9897370737dbdeaebf2a0cd79b7ad883c0ec62f662e22c57204d9368c24d65.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\4b9897370737dbdeaebf2a0cd79b7ad883c0ec62f662e22c57204d9368c24d65.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nCd35.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bPi65.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4b9897370737dbdeaebf2a0cd79b7ad883c0ec62f662e22c57204d9368c24d65.exe

"C:\Users\Admin\AppData\Local\Temp\4b9897370737dbdeaebf2a0cd79b7ad883c0ec62f662e22c57204d9368c24d65.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nCd35.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nCd35.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bPi65.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bPi65.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 73.190.18.2.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 14.227.111.52.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\nCd35.exe

MD5 3533e26a471617dfc9bcb1ee75a82f0b
SHA1 276ceb00301db7f5af25e99670c99dd8d5dd53d5
SHA256 d9f5ba3bd5018e6e784d6fd90c6c24cc88b8fe69187ac4fb950fa49ccc6e9631
SHA512 5a3ad2ff89d38558d6b6a882b10d6962ea71015e7b40eb964c8931f84e40ba10c8062beb80cb9e1f86a691ab9a48b7556dfdd27c6b91b9718b8ddf68b0fdc93f

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bPi65.exe

MD5 da6f3bef8abc85bd09f50783059964e3
SHA1 a0f25f60ec1896c4c920ea397f40e6ce29724322
SHA256 e6d9ee8ab0ea2ade6e5a9481d8f0f921427ec6919b1b48c6067570fde270736b
SHA512 4d2e1472b114c98c74900b8305aabbc49ba28edffdc2376206cf02e26593df4e444933b3aa19f0c6cd0ae3ac3133d656433574aaf25a57748758e5dd25edfbec

memory/1916-14-0x0000000074B3E000-0x0000000074B3F000-memory.dmp

memory/1916-15-0x0000000000180000-0x00000000001B2000-memory.dmp

memory/1916-16-0x00000000050E0000-0x00000000056F8000-memory.dmp

memory/1916-17-0x0000000004C60000-0x0000000004D6A000-memory.dmp

memory/1916-18-0x0000000004B90000-0x0000000004BA2000-memory.dmp

memory/1916-19-0x0000000004BF0000-0x0000000004C2C000-memory.dmp

memory/1916-20-0x0000000004D70000-0x0000000004DBC000-memory.dmp

memory/1916-21-0x0000000074B3E000-0x0000000074B3F000-memory.dmp