Malware Analysis Report

2024-12-07 03:40

Sample ID 241111-ceszasyrcz
Target e34d98e2a5e43227cb3a5f27f064ed1c83686a658132c1a1a5654bc5c81e05a3
SHA256 e34d98e2a5e43227cb3a5f27f064ed1c83686a658132c1a1a5654bc5c81e05a3
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

e34d98e2a5e43227cb3a5f27f064ed1c83686a658132c1a1a5654bc5c81e05a3

Threat Level: Known bad

The file e34d98e2a5e43227cb3a5f27f064ed1c83686a658132c1a1a5654bc5c81e05a3 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 01:59

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-11 01:59

Reported

2024-11-11 02:02

Platform

win10v2004-20241007-en

Max time kernel

132s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e34d98e2a5e43227cb3a5f27f064ed1c83686a658132c1a1a5654bc5c81e05a3.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\nmk70.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\brx99.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_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\nmk70.exe N/A
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\e34d98e2a5e43227cb3a5f27f064ed1c83686a658132c1a1a5654bc5c81e05a3.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\e34d98e2a5e43227cb3a5f27f064ed1c83686a658132c1a1a5654bc5c81e05a3.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nmk70.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\brx99.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\e34d98e2a5e43227cb3a5f27f064ed1c83686a658132c1a1a5654bc5c81e05a3.exe

"C:\Users\Admin\AppData\Local\Temp\e34d98e2a5e43227cb3a5f27f064ed1c83686a658132c1a1a5654bc5c81e05a3.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nmk70.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nmk70.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\brx99.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\brx99.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 97.17.167.52.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 95.221.229.192.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 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 73.209.201.84.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 106.209.201.84.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
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

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nmk70.exe

MD5 31bf24712644be65b36e27013e03727b
SHA1 b5f13f8a7efd044b242cce8ab52b04c9017472ed
SHA256 b1568aa2cb16d38766271274fef7379347008d7946493752d39953ad512619dc
SHA512 623b62a6dcbfa2caae2639e1accd336a82fb91e43ae58706ef918d17992ec41dc1626bafdf4a8e5f6ccaf561521b86648930302a8f9b414904ea320c7171dcc5

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\brx99.exe

MD5 da6f3bef8abc85bd09f50783059964e3
SHA1 a0f25f60ec1896c4c920ea397f40e6ce29724322
SHA256 e6d9ee8ab0ea2ade6e5a9481d8f0f921427ec6919b1b48c6067570fde270736b
SHA512 4d2e1472b114c98c74900b8305aabbc49ba28edffdc2376206cf02e26593df4e444933b3aa19f0c6cd0ae3ac3133d656433574aaf25a57748758e5dd25edfbec

memory/4180-14-0x0000000073F9E000-0x0000000073F9F000-memory.dmp

memory/4180-15-0x0000000000A60000-0x0000000000A92000-memory.dmp

memory/4180-16-0x00000000059D0000-0x0000000005FE8000-memory.dmp

memory/4180-17-0x0000000005540000-0x000000000564A000-memory.dmp

memory/4180-18-0x0000000005470000-0x0000000005482000-memory.dmp

memory/4180-19-0x00000000054D0000-0x000000000550C000-memory.dmp

memory/4180-20-0x0000000005650000-0x000000000569C000-memory.dmp

memory/4180-21-0x0000000073F9E000-0x0000000073F9F000-memory.dmp