Malware Analysis Report

2024-12-07 03:39

Sample ID 241110-zmeszaxrdn
Target 4919f49114bae68b3df35274d93a36330212fd606279a1fb9ac3f2c99f0a3731
SHA256 4919f49114bae68b3df35274d93a36330212fd606279a1fb9ac3f2c99f0a3731
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

4919f49114bae68b3df35274d93a36330212fd606279a1fb9ac3f2c99f0a3731

Threat Level: Known bad

The file 4919f49114bae68b3df35274d93a36330212fd606279a1fb9ac3f2c99f0a3731 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

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-10 20:49

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 20:49

Reported

2024-11-10 20:52

Platform

win10v2004-20241007-en

Max time kernel

131s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4919f49114bae68b3df35274d93a36330212fd606279a1fb9ac3f2c99f0a3731.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\nFb57.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bpi53.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\4919f49114bae68b3df35274d93a36330212fd606279a1fb9ac3f2c99f0a3731.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\nFb57.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\4919f49114bae68b3df35274d93a36330212fd606279a1fb9ac3f2c99f0a3731.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nFb57.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bpi53.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4919f49114bae68b3df35274d93a36330212fd606279a1fb9ac3f2c99f0a3731.exe

"C:\Users\Admin\AppData\Local\Temp\4919f49114bae68b3df35274d93a36330212fd606279a1fb9ac3f2c99f0a3731.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nFb57.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nFb57.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bpi53.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bpi53.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 22.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 98.117.19.2.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 83.210.23.2.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\nFb57.exe

MD5 206553960a55801cd14d283ec6c1be4d
SHA1 74886b053e97e6f41425e3bfb7c1f519eb529473
SHA256 1e0a4b11b8b15383e38c72ab859b7a6a7aaed9932bbc8df87f9987296f8252f6
SHA512 8fea5a1c7291bab2b78e806446dfc1992219d9e3cfebf1209dc83371a91f1097dc09319a481a623e64435edf0a9df15e6d439765d9a928160c23ae2d1e90cfa8

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bpi53.exe

MD5 da6f3bef8abc85bd09f50783059964e3
SHA1 a0f25f60ec1896c4c920ea397f40e6ce29724322
SHA256 e6d9ee8ab0ea2ade6e5a9481d8f0f921427ec6919b1b48c6067570fde270736b
SHA512 4d2e1472b114c98c74900b8305aabbc49ba28edffdc2376206cf02e26593df4e444933b3aa19f0c6cd0ae3ac3133d656433574aaf25a57748758e5dd25edfbec

memory/1596-14-0x000000007400E000-0x000000007400F000-memory.dmp

memory/1596-15-0x0000000000060000-0x0000000000092000-memory.dmp

memory/1596-16-0x0000000004FC0000-0x00000000055D8000-memory.dmp

memory/1596-17-0x0000000004B40000-0x0000000004C4A000-memory.dmp

memory/1596-18-0x0000000004A70000-0x0000000004A82000-memory.dmp

memory/1596-19-0x0000000004AD0000-0x0000000004B0C000-memory.dmp

memory/1596-20-0x0000000004C50000-0x0000000004C9C000-memory.dmp

memory/1596-21-0x000000007400E000-0x000000007400F000-memory.dmp