Malware Analysis Report

2024-12-07 03:40

Sample ID 241110-t1tldstncq
Target b6778612f98927378e6774add3c2d5de0a8c052d1e360d18071796e02a2b22d4
SHA256 b6778612f98927378e6774add3c2d5de0a8c052d1e360d18071796e02a2b22d4
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

b6778612f98927378e6774add3c2d5de0a8c052d1e360d18071796e02a2b22d4

Threat Level: Known bad

The file b6778612f98927378e6774add3c2d5de0a8c052d1e360d18071796e02a2b22d4 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

2024-11-10 16:31

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 16:31

Reported

2024-11-10 16:34

Platform

win10v2004-20241007-en

Max time kernel

135s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b6778612f98927378e6774add3c2d5de0a8c052d1e360d18071796e02a2b22d4.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\nkB85.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bfu93.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\nkB85.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\b6778612f98927378e6774add3c2d5de0a8c052d1e360d18071796e02a2b22d4.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\IXP001.TMP\bfu93.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\b6778612f98927378e6774add3c2d5de0a8c052d1e360d18071796e02a2b22d4.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nkB85.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b6778612f98927378e6774add3c2d5de0a8c052d1e360d18071796e02a2b22d4.exe

"C:\Users\Admin\AppData\Local\Temp\b6778612f98927378e6774add3c2d5de0a8c052d1e360d18071796e02a2b22d4.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nkB85.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nkB85.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bfu93.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bfu93.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
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 71.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.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 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 27.117.19.2.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 105.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 29.243.111.52.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\nkB85.exe

MD5 53c28c559c81ec0d41a9caabeb5ebb8c
SHA1 cf75012e19ffaa38341ff6919b30b2db3ee294ed
SHA256 76bbc7dbdb58b8a08a639082e2b9e7b9c0bcb1713b19bfdfe8b1dd8ffbb54c3b
SHA512 a8c9373a0d41e31f9f4af70b217b2591020f27059a20cc9ca951f8aaef7e1b69de86f1715f0ec9c25c95bdc127f4c1b09df21c13c458decad4c26cfd5e621f1f

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bfu93.exe

MD5 da6f3bef8abc85bd09f50783059964e3
SHA1 a0f25f60ec1896c4c920ea397f40e6ce29724322
SHA256 e6d9ee8ab0ea2ade6e5a9481d8f0f921427ec6919b1b48c6067570fde270736b
SHA512 4d2e1472b114c98c74900b8305aabbc49ba28edffdc2376206cf02e26593df4e444933b3aa19f0c6cd0ae3ac3133d656433574aaf25a57748758e5dd25edfbec

memory/2036-14-0x00000000746DE000-0x00000000746DF000-memory.dmp

memory/2036-15-0x0000000000E90000-0x0000000000EC2000-memory.dmp

memory/2036-16-0x0000000005E20000-0x0000000006438000-memory.dmp

memory/2036-17-0x0000000005970000-0x0000000005A7A000-memory.dmp

memory/2036-18-0x00000000058A0000-0x00000000058B2000-memory.dmp

memory/2036-19-0x0000000005910000-0x000000000594C000-memory.dmp

memory/2036-20-0x0000000005A80000-0x0000000005ACC000-memory.dmp

memory/2036-21-0x00000000746DE000-0x00000000746DF000-memory.dmp