Malware Analysis Report

2024-12-07 03:38

Sample ID 241110-s2lfqsyqct
Target de41a09330148f95de4e44908b74c72b232fca2a53f5421a5a7f5dbabe9e2fd6
SHA256 de41a09330148f95de4e44908b74c72b232fca2a53f5421a5a7f5dbabe9e2fd6
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

de41a09330148f95de4e44908b74c72b232fca2a53f5421a5a7f5dbabe9e2fd6

Threat Level: Known bad

The file de41a09330148f95de4e44908b74c72b232fca2a53f5421a5a7f5dbabe9e2fd6 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 15:37

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 15:37

Reported

2024-11-10 15:39

Platform

win10v2004-20241007-en

Max time kernel

132s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\de41a09330148f95de4e44908b74c72b232fca2a53f5421a5a7f5dbabe9e2fd6.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\nWM56.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bWh32.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\de41a09330148f95de4e44908b74c72b232fca2a53f5421a5a7f5dbabe9e2fd6.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\nWM56.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\de41a09330148f95de4e44908b74c72b232fca2a53f5421a5a7f5dbabe9e2fd6.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nWM56.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bWh32.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\de41a09330148f95de4e44908b74c72b232fca2a53f5421a5a7f5dbabe9e2fd6.exe

"C:\Users\Admin\AppData\Local\Temp\de41a09330148f95de4e44908b74c72b232fca2a53f5421a5a7f5dbabe9e2fd6.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nWM56.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nWM56.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bWh32.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bWh32.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 133.211.185.52.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 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 71.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.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
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 23.236.111.52.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\nWM56.exe

MD5 4e3b47af02414b5278e517779a866eb9
SHA1 b3797dab736106849408e8621913d97edbeea480
SHA256 230df651e6339e854e43d4dfc11bab042e0438df78c3726e22920c77661cb1b6
SHA512 459df969d1c694c0dbf472c6e7a63c5512cb7306de232ce75162c0b1a9a491b0c1dc950b158f23d3258094b4bd2c9a100831a3bd5138a84718baf8caa2bfc5a8

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bWh32.exe

MD5 da6f3bef8abc85bd09f50783059964e3
SHA1 a0f25f60ec1896c4c920ea397f40e6ce29724322
SHA256 e6d9ee8ab0ea2ade6e5a9481d8f0f921427ec6919b1b48c6067570fde270736b
SHA512 4d2e1472b114c98c74900b8305aabbc49ba28edffdc2376206cf02e26593df4e444933b3aa19f0c6cd0ae3ac3133d656433574aaf25a57748758e5dd25edfbec

memory/2316-14-0x00000000746EE000-0x00000000746EF000-memory.dmp

memory/2316-15-0x0000000000BA0000-0x0000000000BD2000-memory.dmp

memory/2316-16-0x0000000005B20000-0x0000000006138000-memory.dmp

memory/2316-17-0x0000000005680000-0x000000000578A000-memory.dmp

memory/2316-18-0x00000000055B0000-0x00000000055C2000-memory.dmp

memory/2316-19-0x0000000005610000-0x000000000564C000-memory.dmp

memory/2316-20-0x0000000005790000-0x00000000057DC000-memory.dmp

memory/2316-21-0x00000000746EE000-0x00000000746EF000-memory.dmp