Malware Analysis Report

2024-12-07 03:37

Sample ID 241111-klmd4awjgz
Target 8429a3c6a59420c53898187e92c3ed027c51c2d2f7c13336ec4387fe5ff6daf4
SHA256 8429a3c6a59420c53898187e92c3ed027c51c2d2f7c13336ec4387fe5ff6daf4
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

8429a3c6a59420c53898187e92c3ed027c51c2d2f7c13336ec4387fe5ff6daf4

Threat Level: Known bad

The file 8429a3c6a59420c53898187e92c3ed027c51c2d2f7c13336ec4387fe5ff6daf4 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

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-11 08:41

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-11 08:41

Reported

2024-11-11 08:43

Platform

win10v2004-20241007-en

Max time kernel

131s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8429a3c6a59420c53898187e92c3ed027c51c2d2f7c13336ec4387fe5ff6daf4.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\njL21.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bRH05.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\8429a3c6a59420c53898187e92c3ed027c51c2d2f7c13336ec4387fe5ff6daf4.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\njL21.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\8429a3c6a59420c53898187e92c3ed027c51c2d2f7c13336ec4387fe5ff6daf4.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\njL21.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bRH05.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\8429a3c6a59420c53898187e92c3ed027c51c2d2f7c13336ec4387fe5ff6daf4.exe

"C:\Users\Admin\AppData\Local\Temp\8429a3c6a59420c53898187e92c3ed027c51c2d2f7c13336ec4387fe5ff6daf4.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\njL21.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\njL21.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bRH05.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bRH05.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 196.249.167.52.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 17.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.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
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 48.229.111.52.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\njL21.exe

MD5 8478884078473a93bd91deefecb0bfd7
SHA1 23b39019fb28ac6304c4d72b542e96a91f726e46
SHA256 89182f5871c6419ba6a536ffba02205e8a35d01c8c1cc9b4488ebcaae222878c
SHA512 0f7b9e3500f2ebe2416e94ada909a3ab5ad0e5f9e2991f1469e30976ecd84e239293a906d64d9ec1c33fabc748f181e09071a7b9a558674e808c39247ca2e84c

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bRH05.exe

MD5 da6f3bef8abc85bd09f50783059964e3
SHA1 a0f25f60ec1896c4c920ea397f40e6ce29724322
SHA256 e6d9ee8ab0ea2ade6e5a9481d8f0f921427ec6919b1b48c6067570fde270736b
SHA512 4d2e1472b114c98c74900b8305aabbc49ba28edffdc2376206cf02e26593df4e444933b3aa19f0c6cd0ae3ac3133d656433574aaf25a57748758e5dd25edfbec

memory/3188-14-0x0000000073E7E000-0x0000000073E7F000-memory.dmp

memory/3188-15-0x0000000000820000-0x0000000000852000-memory.dmp

memory/3188-16-0x0000000005640000-0x0000000005C58000-memory.dmp

memory/3188-17-0x00000000051C0000-0x00000000052CA000-memory.dmp

memory/3188-18-0x00000000050F0000-0x0000000005102000-memory.dmp

memory/3188-19-0x0000000005150000-0x000000000518C000-memory.dmp

memory/3188-20-0x00000000052D0000-0x000000000531C000-memory.dmp

memory/3188-21-0x0000000073E7E000-0x0000000073E7F000-memory.dmp