Malware Analysis Report

2024-12-07 03:37

Sample ID 241110-vjfhwa1flc
Target 180732a46886bd10d264cac1a08facf8119358e83dfe327b622cfcdb095d99e4
SHA256 180732a46886bd10d264cac1a08facf8119358e83dfe327b622cfcdb095d99e4
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

180732a46886bd10d264cac1a08facf8119358e83dfe327b622cfcdb095d99e4

Threat Level: Known bad

The file 180732a46886bd10d264cac1a08facf8119358e83dfe327b622cfcdb095d99e4 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 17:00

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 17:00

Reported

2024-11-10 17:03

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\180732a46886bd10d264cac1a08facf8119358e83dfe327b622cfcdb095d99e4.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\nBU19.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bLW42.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\180732a46886bd10d264cac1a08facf8119358e83dfe327b622cfcdb095d99e4.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\nBU19.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\180732a46886bd10d264cac1a08facf8119358e83dfe327b622cfcdb095d99e4.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nBU19.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bLW42.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\180732a46886bd10d264cac1a08facf8119358e83dfe327b622cfcdb095d99e4.exe

"C:\Users\Admin\AppData\Local\Temp\180732a46886bd10d264cac1a08facf8119358e83dfe327b622cfcdb095d99e4.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nBU19.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nBU19.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bLW42.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bLW42.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 149.220.183.52.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
US 8.8.8.8:53 73.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 102.209.201.84.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
US 8.8.8.8:53 41.173.79.40.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nBU19.exe

MD5 b3fde0892c2ec656d1c6295e521635d8
SHA1 601580c72b13deb8b405bac9c8c6272e3e373f72
SHA256 1ce5f3f9355d8b331b1d8059bd28b01022930b4f69ae0647515586d20b426408
SHA512 14c12238980fa8d3b94cf36514ba01d8fcff1d0aa949c4c31685b3bb3222d81afd2103b0085be7904230995d9c69ab96a08c289ccb2715d1043a0b897f10f5a0

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bLW42.exe

MD5 da6f3bef8abc85bd09f50783059964e3
SHA1 a0f25f60ec1896c4c920ea397f40e6ce29724322
SHA256 e6d9ee8ab0ea2ade6e5a9481d8f0f921427ec6919b1b48c6067570fde270736b
SHA512 4d2e1472b114c98c74900b8305aabbc49ba28edffdc2376206cf02e26593df4e444933b3aa19f0c6cd0ae3ac3133d656433574aaf25a57748758e5dd25edfbec

memory/4868-14-0x000000007432E000-0x000000007432F000-memory.dmp

memory/4868-15-0x0000000000860000-0x0000000000892000-memory.dmp

memory/4868-16-0x00000000056B0000-0x0000000005CC8000-memory.dmp

memory/4868-17-0x0000000005200000-0x000000000530A000-memory.dmp

memory/4868-18-0x0000000005130000-0x0000000005142000-memory.dmp

memory/4868-19-0x0000000005190000-0x00000000051CC000-memory.dmp

memory/4868-20-0x0000000005310000-0x000000000535C000-memory.dmp

memory/4868-21-0x000000007432E000-0x000000007432F000-memory.dmp