Malware Analysis Report

2024-12-07 03:40

Sample ID 241111-e79tmaslb1
Target e4d097c41d5f640db50cbe4dc2a002d7ef1781450d653b037d0c93187ffce0e5
SHA256 e4d097c41d5f640db50cbe4dc2a002d7ef1781450d653b037d0c93187ffce0e5
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

e4d097c41d5f640db50cbe4dc2a002d7ef1781450d653b037d0c93187ffce0e5

Threat Level: Known bad

The file e4d097c41d5f640db50cbe4dc2a002d7ef1781450d653b037d0c93187ffce0e5 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 04:36

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-11 04:36

Reported

2024-11-11 04:38

Platform

win10v2004-20241007-en

Max time kernel

131s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e4d097c41d5f640db50cbe4dc2a002d7ef1781450d653b037d0c93187ffce0e5.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\nTk18.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\biU15.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\e4d097c41d5f640db50cbe4dc2a002d7ef1781450d653b037d0c93187ffce0e5.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\nTk18.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\e4d097c41d5f640db50cbe4dc2a002d7ef1781450d653b037d0c93187ffce0e5.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nTk18.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\biU15.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\e4d097c41d5f640db50cbe4dc2a002d7ef1781450d653b037d0c93187ffce0e5.exe

"C:\Users\Admin\AppData\Local\Temp\e4d097c41d5f640db50cbe4dc2a002d7ef1781450d653b037d0c93187ffce0e5.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nTk18.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nTk18.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\biU15.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\biU15.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 8.8.8.8.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 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.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 8.8.8.8:53 206.23.85.13.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 72.209.201.84.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\nTk18.exe

MD5 2fece21e2ea7b2ce04af8d349908a92c
SHA1 95bd669d3d968eeb0ce240aa65e5b570d45bef65
SHA256 afb7705aad35bea92bd254f862562cc64c3ad576fdd282c83a4b08c100bcd232
SHA512 5d3c7636b8367d23554af0f56c54caa375c8a47278c6e2adf1d39814036b54757dd4088e65cbf6cf07b7dd3e1cc45e48c8f3d41ecaa851ce34ee4d8f5e4993bd

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\biU15.exe

MD5 da6f3bef8abc85bd09f50783059964e3
SHA1 a0f25f60ec1896c4c920ea397f40e6ce29724322
SHA256 e6d9ee8ab0ea2ade6e5a9481d8f0f921427ec6919b1b48c6067570fde270736b
SHA512 4d2e1472b114c98c74900b8305aabbc49ba28edffdc2376206cf02e26593df4e444933b3aa19f0c6cd0ae3ac3133d656433574aaf25a57748758e5dd25edfbec

memory/3540-14-0x000000007472E000-0x000000007472F000-memory.dmp

memory/3540-15-0x00000000002D0000-0x0000000000302000-memory.dmp

memory/3540-16-0x0000000005170000-0x0000000005788000-memory.dmp

memory/3540-17-0x0000000004C70000-0x0000000004D7A000-memory.dmp

memory/3540-18-0x0000000004BA0000-0x0000000004BB2000-memory.dmp

memory/3540-19-0x0000000004C00000-0x0000000004C3C000-memory.dmp

memory/3540-20-0x0000000004D80000-0x0000000004DCC000-memory.dmp

memory/3540-21-0x000000007472E000-0x000000007472F000-memory.dmp