Malware Analysis Report

2024-12-07 03:40

Sample ID 241110-xhb56swlak
Target 20dc795fb32e67157888b5824d1291c0a97143b55ccf4dc370e6b6b4169b59da
SHA256 20dc795fb32e67157888b5824d1291c0a97143b55ccf4dc370e6b6b4169b59da
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

20dc795fb32e67157888b5824d1291c0a97143b55ccf4dc370e6b6b4169b59da

Threat Level: Known bad

The file 20dc795fb32e67157888b5824d1291c0a97143b55ccf4dc370e6b6b4169b59da 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

2024-11-10 18:50

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 18:50

Reported

2024-11-10 18:53

Platform

win10v2004-20241007-en

Max time kernel

132s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\20dc795fb32e67157888b5824d1291c0a97143b55ccf4dc370e6b6b4169b59da.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\nkM72.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bRg06.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\20dc795fb32e67157888b5824d1291c0a97143b55ccf4dc370e6b6b4169b59da.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\nkM72.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\20dc795fb32e67157888b5824d1291c0a97143b55ccf4dc370e6b6b4169b59da.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nkM72.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bRg06.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\20dc795fb32e67157888b5824d1291c0a97143b55ccf4dc370e6b6b4169b59da.exe

"C:\Users\Admin\AppData\Local\Temp\20dc795fb32e67157888b5824d1291c0a97143b55ccf4dc370e6b6b4169b59da.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nkM72.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nkM72.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bRg06.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bRg06.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.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 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 82.190.18.2.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 99.209.201.84.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 66.209.201.84.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\nkM72.exe

MD5 89a54cf791be5bf4d18c43b1415df80e
SHA1 10d00573123170db3af87dc923b7328e8917e330
SHA256 dbe2221311fe24252c8f325ddf9ba942ce8e5974657138f3394afc433ad6d493
SHA512 12c03ae2d3173e2609b678492780779af0a5e8355f98039543d182623191f71af716627e91a3a1a3f84ceb31ac1b46533fb2522ea67f469f4f051b33454b9b9a

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bRg06.exe

MD5 da6f3bef8abc85bd09f50783059964e3
SHA1 a0f25f60ec1896c4c920ea397f40e6ce29724322
SHA256 e6d9ee8ab0ea2ade6e5a9481d8f0f921427ec6919b1b48c6067570fde270736b
SHA512 4d2e1472b114c98c74900b8305aabbc49ba28edffdc2376206cf02e26593df4e444933b3aa19f0c6cd0ae3ac3133d656433574aaf25a57748758e5dd25edfbec

memory/5108-14-0x0000000074AFE000-0x0000000074AFF000-memory.dmp

memory/5108-15-0x00000000007A0000-0x00000000007D2000-memory.dmp

memory/5108-16-0x00000000055B0000-0x0000000005BC8000-memory.dmp

memory/5108-17-0x0000000005130000-0x000000000523A000-memory.dmp

memory/5108-18-0x0000000005070000-0x0000000005082000-memory.dmp

memory/5108-19-0x00000000050D0000-0x000000000510C000-memory.dmp

memory/5108-20-0x0000000005240000-0x000000000528C000-memory.dmp

memory/5108-21-0x0000000074AFE000-0x0000000074AFF000-memory.dmp