Malware Analysis Report

2024-12-07 03:36

Sample ID 241114-cw3vtssmhz
Target c5328b1d389312ba7757c3aa912893fd83d015673d87116bb433b15447b868a6
SHA256 c5328b1d389312ba7757c3aa912893fd83d015673d87116bb433b15447b868a6
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

c5328b1d389312ba7757c3aa912893fd83d015673d87116bb433b15447b868a6

Threat Level: Known bad

The file c5328b1d389312ba7757c3aa912893fd83d015673d87116bb433b15447b868a6 was found to be: Known bad.

Malicious Activity Summary

redline fusa discovery infostealer persistence

RedLine payload

Redline family

RedLine

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

2024-11-14 02:26

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-14 02:26

Reported

2024-11-14 02:29

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c5328b1d389312ba7757c3aa912893fd83d015673d87116bb433b15447b868a6.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\nBb84.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bmf42.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\nBb84.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\c5328b1d389312ba7757c3aa912893fd83d015673d87116bb433b15447b868a6.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\c5328b1d389312ba7757c3aa912893fd83d015673d87116bb433b15447b868a6.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nBb84.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bmf42.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\c5328b1d389312ba7757c3aa912893fd83d015673d87116bb433b15447b868a6.exe

"C:\Users\Admin\AppData\Local\Temp\c5328b1d389312ba7757c3aa912893fd83d015673d87116bb433b15447b868a6.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nBb84.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nBb84.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bmf42.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bmf42.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 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 22.160.190.20.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 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.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
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 172.214.232.199.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\nBb84.exe

MD5 f00ac4cedb03247dd50bdf88758bd239
SHA1 4582cb0b1f6baded06017d27db7a0cc8f98a5e2a
SHA256 f32edfb7383ef07dd59aba922997c75f6f1c88728064c10c5702750346418bdd
SHA512 513a920fb5bfc94e0f03043f60b7395d3e4327f139c1473b02966c5a146ad430ad695fc02196937cda7ab8db919940e928b50e687a7754404fe4e8d237166079

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bmf42.exe

MD5 da6f3bef8abc85bd09f50783059964e3
SHA1 a0f25f60ec1896c4c920ea397f40e6ce29724322
SHA256 e6d9ee8ab0ea2ade6e5a9481d8f0f921427ec6919b1b48c6067570fde270736b
SHA512 4d2e1472b114c98c74900b8305aabbc49ba28edffdc2376206cf02e26593df4e444933b3aa19f0c6cd0ae3ac3133d656433574aaf25a57748758e5dd25edfbec

memory/1616-14-0x000000007458E000-0x000000007458F000-memory.dmp

memory/1616-15-0x0000000000730000-0x0000000000762000-memory.dmp

memory/1616-16-0x00000000056A0000-0x0000000005CB8000-memory.dmp

memory/1616-17-0x0000000005210000-0x000000000531A000-memory.dmp

memory/1616-18-0x0000000005140000-0x0000000005152000-memory.dmp

memory/1616-19-0x00000000051B0000-0x00000000051EC000-memory.dmp

memory/1616-20-0x0000000005320000-0x000000000536C000-memory.dmp

memory/1616-21-0x000000007458E000-0x000000007458F000-memory.dmp