Malware Analysis Report

2024-12-07 03:38

Sample ID 241110-l3j6qsvekc
Target 44f6eeb3545c0677a19f0bcf027ed15ab37f907bfae491ecdf867a9482c89ae0
SHA256 44f6eeb3545c0677a19f0bcf027ed15ab37f907bfae491ecdf867a9482c89ae0
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

44f6eeb3545c0677a19f0bcf027ed15ab37f907bfae491ecdf867a9482c89ae0

Threat Level: Known bad

The file 44f6eeb3545c0677a19f0bcf027ed15ab37f907bfae491ecdf867a9482c89ae0 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 10:03

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 10:03

Reported

2024-11-10 10:06

Platform

win10v2004-20241007-en

Max time kernel

132s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\44f6eeb3545c0677a19f0bcf027ed15ab37f907bfae491ecdf867a9482c89ae0.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\nZR34.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\byP53.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\44f6eeb3545c0677a19f0bcf027ed15ab37f907bfae491ecdf867a9482c89ae0.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\nZR34.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\44f6eeb3545c0677a19f0bcf027ed15ab37f907bfae491ecdf867a9482c89ae0.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nZR34.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\byP53.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\44f6eeb3545c0677a19f0bcf027ed15ab37f907bfae491ecdf867a9482c89ae0.exe

"C:\Users\Admin\AppData\Local\Temp\44f6eeb3545c0677a19f0bcf027ed15ab37f907bfae491ecdf867a9482c89ae0.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nZR34.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nZR34.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\byP53.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\byP53.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 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
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 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\nZR34.exe

MD5 8401fb899da3b22fc917921cecaf8d85
SHA1 67f83202a8c48316343cad8c0f04c72d83b37666
SHA256 2f065858bd4f2a207ed3cbc839262d041df05ab829eb547061515f25680426b3
SHA512 1dd0889310d765aeb9ada14cb6be48d7519c020c060a5b1933ed15390f19804422607badc935f250dd1ccf91f117d94d149908d2ec2a54c1e53ca571f5488ac3

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\byP53.exe

MD5 da6f3bef8abc85bd09f50783059964e3
SHA1 a0f25f60ec1896c4c920ea397f40e6ce29724322
SHA256 e6d9ee8ab0ea2ade6e5a9481d8f0f921427ec6919b1b48c6067570fde270736b
SHA512 4d2e1472b114c98c74900b8305aabbc49ba28edffdc2376206cf02e26593df4e444933b3aa19f0c6cd0ae3ac3133d656433574aaf25a57748758e5dd25edfbec

memory/384-14-0x0000000073E2E000-0x0000000073E2F000-memory.dmp

memory/384-15-0x00000000000A0000-0x00000000000D2000-memory.dmp

memory/384-16-0x0000000004EC0000-0x00000000054D8000-memory.dmp

memory/384-17-0x0000000004A30000-0x0000000004B3A000-memory.dmp

memory/384-18-0x0000000004960000-0x0000000004972000-memory.dmp

memory/384-19-0x00000000049C0000-0x00000000049FC000-memory.dmp

memory/384-20-0x0000000004B40000-0x0000000004B8C000-memory.dmp

memory/384-21-0x0000000073E2E000-0x0000000073E2F000-memory.dmp