Malware Analysis Report

2024-12-07 03:38

Sample ID 241110-hkzlxsvlhq
Target b394bd1188623edd974ae013ecb79e618f811074eff7edf100327929fb3dd005
SHA256 b394bd1188623edd974ae013ecb79e618f811074eff7edf100327929fb3dd005
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

b394bd1188623edd974ae013ecb79e618f811074eff7edf100327929fb3dd005

Threat Level: Known bad

The file b394bd1188623edd974ae013ecb79e618f811074eff7edf100327929fb3dd005 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 06:48

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 06:48

Reported

2024-11-10 06:51

Platform

win10v2004-20241007-en

Max time kernel

137s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b394bd1188623edd974ae013ecb79e618f811074eff7edf100327929fb3dd005.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\nPF10.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bER76.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\b394bd1188623edd974ae013ecb79e618f811074eff7edf100327929fb3dd005.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\nPF10.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\b394bd1188623edd974ae013ecb79e618f811074eff7edf100327929fb3dd005.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nPF10.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bER76.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b394bd1188623edd974ae013ecb79e618f811074eff7edf100327929fb3dd005.exe

"C:\Users\Admin\AppData\Local\Temp\b394bd1188623edd974ae013ecb79e618f811074eff7edf100327929fb3dd005.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nPF10.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nPF10.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bER76.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bER76.exe

Network

Country Destination Domain Proto
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.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 68.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 53.210.109.20.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 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.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\nPF10.exe

MD5 c2df278304e747a3c9b1b3e878045dc6
SHA1 9e964846fac01d1ee1f5ab250e3b761e532c29fe
SHA256 4dc86d5b6c35f62c632ee8734ec88a0f209dfdd9cd10edfbdea2c0e5e78fa19c
SHA512 80331e5a3981a7019e4c2784215d8704304ec5078eae15f2e1d5aa26f31b211e8c9cff5c58c5814b1fa7ecedfc30f984a4924c58ecaeb4b8dd6d545899eca48b

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bER76.exe

MD5 da6f3bef8abc85bd09f50783059964e3
SHA1 a0f25f60ec1896c4c920ea397f40e6ce29724322
SHA256 e6d9ee8ab0ea2ade6e5a9481d8f0f921427ec6919b1b48c6067570fde270736b
SHA512 4d2e1472b114c98c74900b8305aabbc49ba28edffdc2376206cf02e26593df4e444933b3aa19f0c6cd0ae3ac3133d656433574aaf25a57748758e5dd25edfbec

memory/4244-14-0x0000000073CAE000-0x0000000073CAF000-memory.dmp

memory/4244-15-0x0000000000C50000-0x0000000000C82000-memory.dmp

memory/4244-16-0x0000000005A70000-0x0000000006088000-memory.dmp

memory/4244-17-0x00000000055F0000-0x00000000056FA000-memory.dmp

memory/4244-18-0x0000000005520000-0x0000000005532000-memory.dmp

memory/4244-19-0x0000000005580000-0x00000000055BC000-memory.dmp

memory/4244-20-0x0000000005700000-0x000000000574C000-memory.dmp

memory/4244-21-0x0000000073CAE000-0x0000000073CAF000-memory.dmp