Malware Analysis Report

2024-12-07 03:38

Sample ID 241110-j8rfwstajp
Target c8e9dcef5fd43d388a8126778a0e53d4543b4f07816a1a57d125d30b603323c5
SHA256 c8e9dcef5fd43d388a8126778a0e53d4543b4f07816a1a57d125d30b603323c5
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

c8e9dcef5fd43d388a8126778a0e53d4543b4f07816a1a57d125d30b603323c5

Threat Level: Known bad

The file c8e9dcef5fd43d388a8126778a0e53d4543b4f07816a1a57d125d30b603323c5 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

2024-11-10 08:20

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 08:20

Reported

2024-11-10 08:23

Platform

win10v2004-20241007-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c8e9dcef5fd43d388a8126778a0e53d4543b4f07816a1a57d125d30b603323c5.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

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\c8e9dcef5fd43d388a8126778a0e53d4543b4f07816a1a57d125d30b603323c5.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\sYk36yl.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup2 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP002.TMP\\\"" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sOW31lP.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\c8e9dcef5fd43d388a8126778a0e53d4543b4f07816a1a57d125d30b603323c5.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sYk36yl.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sOW31lP.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\kOg58Yw.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4432 wrote to memory of 3080 N/A C:\Users\Admin\AppData\Local\Temp\c8e9dcef5fd43d388a8126778a0e53d4543b4f07816a1a57d125d30b603323c5.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sYk36yl.exe
PID 4432 wrote to memory of 3080 N/A C:\Users\Admin\AppData\Local\Temp\c8e9dcef5fd43d388a8126778a0e53d4543b4f07816a1a57d125d30b603323c5.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sYk36yl.exe
PID 4432 wrote to memory of 3080 N/A C:\Users\Admin\AppData\Local\Temp\c8e9dcef5fd43d388a8126778a0e53d4543b4f07816a1a57d125d30b603323c5.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sYk36yl.exe
PID 3080 wrote to memory of 4576 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sYk36yl.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sOW31lP.exe
PID 3080 wrote to memory of 4576 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sYk36yl.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sOW31lP.exe
PID 3080 wrote to memory of 4576 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sYk36yl.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sOW31lP.exe
PID 4576 wrote to memory of 1600 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sOW31lP.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\kOg58Yw.exe
PID 4576 wrote to memory of 1600 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sOW31lP.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\kOg58Yw.exe
PID 4576 wrote to memory of 1600 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sOW31lP.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\kOg58Yw.exe

Processes

C:\Users\Admin\AppData\Local\Temp\c8e9dcef5fd43d388a8126778a0e53d4543b4f07816a1a57d125d30b603323c5.exe

"C:\Users\Admin\AppData\Local\Temp\c8e9dcef5fd43d388a8126778a0e53d4543b4f07816a1a57d125d30b603323c5.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sYk36yl.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sYk36yl.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sOW31lP.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sOW31lP.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\kOg58Yw.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\kOg58Yw.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 83.210.23.2.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 20.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 67.208.201.84.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 14.227.111.52.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 9.179.89.13.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sYk36yl.exe

MD5 efc61d02a053278158b3ea16917fb749
SHA1 13b45346bdeaa1507ad905ada98527696bcb3910
SHA256 9f0bb4d47069d9e465ad24b1f318178dc190ed8cd7c591f90ab9d4e32eee9964
SHA512 266b444bdce42131d7d7962653811381a3ca0925c9f68032c4b6865071e2bdae982354e8b2112e853c9bc0b638ed6762af62bbf5ae4ef1481ac696aed3e1a2c5

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sOW31lP.exe

MD5 32fcee552b7d30456ed6f00e37322745
SHA1 b5c40037772fb692a439b8cec48b2808d727dd7b
SHA256 abfd8122ff104edc926b3da7d5616a92466be047b4002af5cfae59a8afce463c
SHA512 625b96ceb571062b734494ce216a5a59158c5ddc8fc1610345066861994979594671e67e86d7e24f78743a256c0cbeb44632680eedd7fd52e08a34aae08af6f7

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\kOg58Yw.exe

MD5 da6f3bef8abc85bd09f50783059964e3
SHA1 a0f25f60ec1896c4c920ea397f40e6ce29724322
SHA256 e6d9ee8ab0ea2ade6e5a9481d8f0f921427ec6919b1b48c6067570fde270736b
SHA512 4d2e1472b114c98c74900b8305aabbc49ba28edffdc2376206cf02e26593df4e444933b3aa19f0c6cd0ae3ac3133d656433574aaf25a57748758e5dd25edfbec

memory/1600-21-0x00000000002A0000-0x00000000002D2000-memory.dmp

memory/1600-22-0x00000000050C0000-0x00000000056D8000-memory.dmp

memory/1600-23-0x0000000004C40000-0x0000000004D4A000-memory.dmp

memory/1600-24-0x0000000004B70000-0x0000000004B82000-memory.dmp

memory/1600-25-0x0000000004BD0000-0x0000000004C0C000-memory.dmp

memory/1600-26-0x0000000004D50000-0x0000000004D9C000-memory.dmp