Malware Analysis Report

2024-12-07 03:39

Sample ID 241110-xlck4swlfk
Target 4f5563c4318fe7d1beeebbe9a6b2258c3afe1ec5ee8f2a2c27d3280e5e5e3042
SHA256 4f5563c4318fe7d1beeebbe9a6b2258c3afe1ec5ee8f2a2c27d3280e5e5e3042
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

4f5563c4318fe7d1beeebbe9a6b2258c3afe1ec5ee8f2a2c27d3280e5e5e3042

Threat Level: Known bad

The file 4f5563c4318fe7d1beeebbe9a6b2258c3afe1ec5ee8f2a2c27d3280e5e5e3042 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 18:56

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 18:56

Reported

2024-11-10 18:58

Platform

win10v2004-20241007-en

Max time kernel

132s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4f5563c4318fe7d1beeebbe9a6b2258c3afe1ec5ee8f2a2c27d3280e5e5e3042.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\ntB73.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bva65.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\ntB73.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\4f5563c4318fe7d1beeebbe9a6b2258c3afe1ec5ee8f2a2c27d3280e5e5e3042.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\4f5563c4318fe7d1beeebbe9a6b2258c3afe1ec5ee8f2a2c27d3280e5e5e3042.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ntB73.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bva65.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4f5563c4318fe7d1beeebbe9a6b2258c3afe1ec5ee8f2a2c27d3280e5e5e3042.exe

"C:\Users\Admin\AppData\Local\Temp\4f5563c4318fe7d1beeebbe9a6b2258c3afe1ec5ee8f2a2c27d3280e5e5e3042.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ntB73.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ntB73.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bva65.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bva65.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 73.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 74.208.201.84.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 106.208.201.84.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 100.208.201.84.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.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\ntB73.exe

MD5 6888401c3e1657a2fa53cde77793301a
SHA1 e2ef1f387d10e64e1daf33479d6fb81b7a5b3344
SHA256 dfc3baf48ac06590671734a1c932e211e3f6e3a1998a36e345ae3a3a7f0b8b55
SHA512 3503f9cafac60c3267b40b3016c0cbfd52c5e1d499e35ff94047f88a178705ad017f4e8dd650dcbf08b39ddc181d05c95b1380d446c1eb7add0c34d3e990d07b

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bva65.exe

MD5 da6f3bef8abc85bd09f50783059964e3
SHA1 a0f25f60ec1896c4c920ea397f40e6ce29724322
SHA256 e6d9ee8ab0ea2ade6e5a9481d8f0f921427ec6919b1b48c6067570fde270736b
SHA512 4d2e1472b114c98c74900b8305aabbc49ba28edffdc2376206cf02e26593df4e444933b3aa19f0c6cd0ae3ac3133d656433574aaf25a57748758e5dd25edfbec

memory/2100-14-0x00000000747BE000-0x00000000747BF000-memory.dmp

memory/2100-15-0x0000000000730000-0x0000000000762000-memory.dmp

memory/2100-16-0x00000000056B0000-0x0000000005CC8000-memory.dmp

memory/2100-17-0x0000000005210000-0x000000000531A000-memory.dmp

memory/2100-18-0x0000000005140000-0x0000000005152000-memory.dmp

memory/2100-19-0x00000000051A0000-0x00000000051DC000-memory.dmp

memory/2100-20-0x0000000005320000-0x000000000536C000-memory.dmp

memory/2100-21-0x00000000747BE000-0x00000000747BF000-memory.dmp