Malware Analysis Report

2024-12-07 03:37

Sample ID 241111-jwftmawcnk
Target 8fc81d6ac79eaea923f0bbf477fd4df755ed67d3ec7c5c9299add472a28895fa
SHA256 8fc81d6ac79eaea923f0bbf477fd4df755ed67d3ec7c5c9299add472a28895fa
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

8fc81d6ac79eaea923f0bbf477fd4df755ed67d3ec7c5c9299add472a28895fa

Threat Level: Known bad

The file 8fc81d6ac79eaea923f0bbf477fd4df755ed67d3ec7c5c9299add472a28895fa 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 08:00

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-11 08:00

Reported

2024-11-11 08:03

Platform

win10v2004-20241007-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8fc81d6ac79eaea923f0bbf477fd4df755ed67d3ec7c5c9299add472a28895fa.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\nzB93.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bbE09.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\8fc81d6ac79eaea923f0bbf477fd4df755ed67d3ec7c5c9299add472a28895fa.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\nzB93.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\IXP000.TMP\nzB93.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bbE09.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\8fc81d6ac79eaea923f0bbf477fd4df755ed67d3ec7c5c9299add472a28895fa.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\8fc81d6ac79eaea923f0bbf477fd4df755ed67d3ec7c5c9299add472a28895fa.exe

"C:\Users\Admin\AppData\Local\Temp\8fc81d6ac79eaea923f0bbf477fd4df755ed67d3ec7c5c9299add472a28895fa.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nzB93.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nzB93.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bbE09.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bbE09.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 67.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 75.117.19.2.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 8.8.8.8:53 103.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 udp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nzB93.exe

MD5 f4ffb4922bd3bff1401e6681b85e970f
SHA1 da79b7b0ad8e0a8cd2e19b15ca1b43e12bca3233
SHA256 d189ee1d942ebad82af1974162a3f0af68c32e85285b32b91fd43d76910bf122
SHA512 b4d8347745033d8e43503a4c18cb889afcba3f9065440dcce72135dba98a52e969545a4c850497a5e1f17638382a1c3befeef022452d244a974d0f5876de690c

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bbE09.exe

MD5 da6f3bef8abc85bd09f50783059964e3
SHA1 a0f25f60ec1896c4c920ea397f40e6ce29724322
SHA256 e6d9ee8ab0ea2ade6e5a9481d8f0f921427ec6919b1b48c6067570fde270736b
SHA512 4d2e1472b114c98c74900b8305aabbc49ba28edffdc2376206cf02e26593df4e444933b3aa19f0c6cd0ae3ac3133d656433574aaf25a57748758e5dd25edfbec

memory/4064-14-0x000000007457E000-0x000000007457F000-memory.dmp

memory/4064-15-0x00000000006D0000-0x0000000000702000-memory.dmp

memory/4064-16-0x0000000005690000-0x0000000005CA8000-memory.dmp

memory/4064-17-0x00000000051B0000-0x00000000052BA000-memory.dmp

memory/4064-18-0x00000000050E0000-0x00000000050F2000-memory.dmp

memory/4064-19-0x0000000005170000-0x00000000051AC000-memory.dmp

memory/4064-20-0x00000000052C0000-0x000000000530C000-memory.dmp

memory/4064-21-0x000000007457E000-0x000000007457F000-memory.dmp