Malware Analysis Report

2024-12-07 03:37

Sample ID 241111-lsn2yaxelk
Target 785c265e7bee446ebfa4a8e9032c417125f9ccdf87b8dfd38e5400588b5d699a
SHA256 785c265e7bee446ebfa4a8e9032c417125f9ccdf87b8dfd38e5400588b5d699a
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

785c265e7bee446ebfa4a8e9032c417125f9ccdf87b8dfd38e5400588b5d699a

Threat Level: Known bad

The file 785c265e7bee446ebfa4a8e9032c417125f9ccdf87b8dfd38e5400588b5d699a 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 09:47

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-11 09:47

Reported

2024-11-11 09:50

Platform

win10v2004-20241007-en

Max time kernel

134s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\785c265e7bee446ebfa4a8e9032c417125f9ccdf87b8dfd38e5400588b5d699a.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\nmt95.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\byL73.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\785c265e7bee446ebfa4a8e9032c417125f9ccdf87b8dfd38e5400588b5d699a.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\nmt95.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\785c265e7bee446ebfa4a8e9032c417125f9ccdf87b8dfd38e5400588b5d699a.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nmt95.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\byL73.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\785c265e7bee446ebfa4a8e9032c417125f9ccdf87b8dfd38e5400588b5d699a.exe

"C:\Users\Admin\AppData\Local\Temp\785c265e7bee446ebfa4a8e9032c417125f9ccdf87b8dfd38e5400588b5d699a.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nmt95.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nmt95.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\byL73.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\byL73.exe

Network

Country Destination Domain Proto
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 71.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 11.227.111.52.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\nmt95.exe

MD5 28e01b5247eddf78f5ac26ae1387b5c8
SHA1 dce558bb2b178b0f8497671eaf78ffc88d921a2c
SHA256 79994846137b53a31336ba24826c0451d323f5b2051f6ff3ea79868cdd8ba49b
SHA512 7c7ab56197bae25498d242364faa64aee5e648735d30d81f8e8541446389a4e0caf284a2bcc00b3adbad1b89ed857d844f7b432583a589b108c1ecaa0225cd0b

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\byL73.exe

MD5 da6f3bef8abc85bd09f50783059964e3
SHA1 a0f25f60ec1896c4c920ea397f40e6ce29724322
SHA256 e6d9ee8ab0ea2ade6e5a9481d8f0f921427ec6919b1b48c6067570fde270736b
SHA512 4d2e1472b114c98c74900b8305aabbc49ba28edffdc2376206cf02e26593df4e444933b3aa19f0c6cd0ae3ac3133d656433574aaf25a57748758e5dd25edfbec

memory/4168-14-0x00000000744BE000-0x00000000744BF000-memory.dmp

memory/4168-15-0x0000000000D10000-0x0000000000D42000-memory.dmp

memory/4168-16-0x0000000005CD0000-0x00000000062E8000-memory.dmp

memory/4168-17-0x00000000057F0000-0x00000000058FA000-memory.dmp

memory/4168-18-0x0000000005720000-0x0000000005732000-memory.dmp

memory/4168-19-0x0000000005900000-0x000000000593C000-memory.dmp

memory/4168-20-0x0000000005780000-0x00000000057CC000-memory.dmp

memory/4168-21-0x00000000744BE000-0x00000000744BF000-memory.dmp