Malware Analysis Report

2024-12-07 03:38

Sample ID 241110-kvklvsterh
Target 3a33d4be6e0de9c96f00fe327b2f3e55abe715cd0bbc2fe1cae53b6fd946b27d
SHA256 3a33d4be6e0de9c96f00fe327b2f3e55abe715cd0bbc2fe1cae53b6fd946b27d
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

3a33d4be6e0de9c96f00fe327b2f3e55abe715cd0bbc2fe1cae53b6fd946b27d

Threat Level: Known bad

The file 3a33d4be6e0de9c96f00fe327b2f3e55abe715cd0bbc2fe1cae53b6fd946b27d 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 08:55

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 08:55

Reported

2024-11-10 08:57

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3a33d4be6e0de9c96f00fe327b2f3e55abe715cd0bbc2fe1cae53b6fd946b27d.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\nsP35.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bgR87.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\3a33d4be6e0de9c96f00fe327b2f3e55abe715cd0bbc2fe1cae53b6fd946b27d.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\nsP35.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\3a33d4be6e0de9c96f00fe327b2f3e55abe715cd0bbc2fe1cae53b6fd946b27d.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nsP35.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bgR87.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\3a33d4be6e0de9c96f00fe327b2f3e55abe715cd0bbc2fe1cae53b6fd946b27d.exe

"C:\Users\Admin\AppData\Local\Temp\3a33d4be6e0de9c96f00fe327b2f3e55abe715cd0bbc2fe1cae53b6fd946b27d.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nsP35.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nsP35.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bgR87.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bgR87.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.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
US 8.8.8.8:53 0.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.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 8.8.8.8:53 198.187.3.20.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 83.210.23.2.in-addr.arpa udp
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\nsP35.exe

MD5 e8d0b66056d6578f43a307009bf9255a
SHA1 538cd57c220c7beef6b50a448854afdb0e8cdacb
SHA256 4e6c6f386eb530fc42fcceddcbab57f20d2ba38a1b29e90cb43461c6941ab02f
SHA512 4a03be706f1d040b799ace54f9ded7e741ab0037bac87522038723feba7eea7159ca875680cfecf1a0612cc2cb68257bced814c9839a02f13f24057e50ec7459

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bgR87.exe

MD5 da6f3bef8abc85bd09f50783059964e3
SHA1 a0f25f60ec1896c4c920ea397f40e6ce29724322
SHA256 e6d9ee8ab0ea2ade6e5a9481d8f0f921427ec6919b1b48c6067570fde270736b
SHA512 4d2e1472b114c98c74900b8305aabbc49ba28edffdc2376206cf02e26593df4e444933b3aa19f0c6cd0ae3ac3133d656433574aaf25a57748758e5dd25edfbec

memory/1888-14-0x00000000747DE000-0x00000000747DF000-memory.dmp

memory/1888-15-0x0000000000D40000-0x0000000000D72000-memory.dmp

memory/1888-16-0x0000000005CD0000-0x00000000062E8000-memory.dmp

memory/1888-17-0x0000000005820000-0x000000000592A000-memory.dmp

memory/1888-18-0x0000000005760000-0x0000000005772000-memory.dmp

memory/1888-19-0x00000000057C0000-0x00000000057FC000-memory.dmp

memory/1888-20-0x0000000005930000-0x000000000597C000-memory.dmp

memory/1888-21-0x00000000747DE000-0x00000000747DF000-memory.dmp