Malware Analysis Report

2024-12-07 03:40

Sample ID 241111-e28dlstaqd
Target 973ab92d5733a9dfcf5501d572930d08ac1ed174c0875ffa95ac23962c5e14c8
SHA256 973ab92d5733a9dfcf5501d572930d08ac1ed174c0875ffa95ac23962c5e14c8
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

973ab92d5733a9dfcf5501d572930d08ac1ed174c0875ffa95ac23962c5e14c8

Threat Level: Known bad

The file 973ab92d5733a9dfcf5501d572930d08ac1ed174c0875ffa95ac23962c5e14c8 was found to be: Known bad.

Malicious Activity Summary

redline fusa discovery infostealer persistence

RedLine payload

Redline family

RedLine

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

2024-11-11 04:27

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-11 04:27

Reported

2024-11-11 04:29

Platform

win10v2004-20241007-en

Max time kernel

131s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\973ab92d5733a9dfcf5501d572930d08ac1ed174c0875ffa95ac23962c5e14c8.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\nWf66.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bNu04.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\973ab92d5733a9dfcf5501d572930d08ac1ed174c0875ffa95ac23962c5e14c8.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\nWf66.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\973ab92d5733a9dfcf5501d572930d08ac1ed174c0875ffa95ac23962c5e14c8.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nWf66.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bNu04.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\973ab92d5733a9dfcf5501d572930d08ac1ed174c0875ffa95ac23962c5e14c8.exe

"C:\Users\Admin\AppData\Local\Temp\973ab92d5733a9dfcf5501d572930d08ac1ed174c0875ffa95ac23962c5e14c8.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nWf66.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nWf66.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bNu04.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bNu04.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 97.17.167.52.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 20.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 103.208.201.84.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
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 11.227.111.52.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\nWf66.exe

MD5 aeeaedac03c241be3076be115b883810
SHA1 81a1deb9c8905cef9af75b9961d0e517ebffc4f1
SHA256 edbfff827d61c1293072b0023d3b69f929cf94bf1231f1b6eaab5d00404f69b0
SHA512 afbcece5e5d0a630e625fa881ddf1e84c36f66b9cdcb1a2c5151fe16e2c36f095e85a1729b64ef5c1c38b66fd9f19ee0b5c82fa0660ebfe9d630e60ce81c2abc

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bNu04.exe

MD5 da6f3bef8abc85bd09f50783059964e3
SHA1 a0f25f60ec1896c4c920ea397f40e6ce29724322
SHA256 e6d9ee8ab0ea2ade6e5a9481d8f0f921427ec6919b1b48c6067570fde270736b
SHA512 4d2e1472b114c98c74900b8305aabbc49ba28edffdc2376206cf02e26593df4e444933b3aa19f0c6cd0ae3ac3133d656433574aaf25a57748758e5dd25edfbec

memory/4372-14-0x0000000073D7E000-0x0000000073D7F000-memory.dmp

memory/4372-15-0x0000000000320000-0x0000000000352000-memory.dmp

memory/4372-16-0x0000000005290000-0x00000000058A8000-memory.dmp

memory/4372-17-0x0000000004E00000-0x0000000004F0A000-memory.dmp

memory/4372-18-0x0000000004D30000-0x0000000004D42000-memory.dmp

memory/4372-19-0x0000000004D90000-0x0000000004DCC000-memory.dmp

memory/4372-20-0x0000000004F10000-0x0000000004F5C000-memory.dmp

memory/4372-21-0x0000000073D7E000-0x0000000073D7F000-memory.dmp