Malware Analysis Report

2025-05-28 18:03

Sample ID 241109-zzmz4s1pdv
Target 85668e50e43c6e8092232db81eb943a9e30f12eb540017a3283428949b164a45
SHA256 85668e50e43c6e8092232db81eb943a9e30f12eb540017a3283428949b164a45
Tags
redline 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

85668e50e43c6e8092232db81eb943a9e30f12eb540017a3283428949b164a45

Threat Level: Known bad

The file 85668e50e43c6e8092232db81eb943a9e30f12eb540017a3283428949b164a45 was found to be: Known bad.

Malicious Activity Summary

redline 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

2024-11-09 21:09

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-09 21:09

Reported

2024-11-09 21:11

Platform

win10v2004-20241007-en

Max time kernel

149s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\85668e50e43c6e8092232db81eb943a9e30f12eb540017a3283428949b164a45.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\x2367255.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\g5734452.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\85668e50e43c6e8092232db81eb943a9e30f12eb540017a3283428949b164a45.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\x2367255.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\85668e50e43c6e8092232db81eb943a9e30f12eb540017a3283428949b164a45.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x2367255.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\g5734452.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\85668e50e43c6e8092232db81eb943a9e30f12eb540017a3283428949b164a45.exe

"C:\Users\Admin\AppData\Local\Temp\85668e50e43c6e8092232db81eb943a9e30f12eb540017a3283428949b164a45.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x2367255.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x2367255.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\g5734452.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\g5734452.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
FI 77.91.124.111:19069 tcp
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
FI 77.91.124.111:19069 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 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
FI 77.91.124.111:19069 tcp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
FI 77.91.124.111:19069 tcp
FI 77.91.124.111:19069 tcp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 101.210.23.2.in-addr.arpa udp
FI 77.91.124.111:19069 tcp
FI 77.91.124.111:19069 tcp
FI 77.91.124.111:19069 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x2367255.exe

MD5 a019f7a0740d81ae700311ab5dd330b8
SHA1 809c02787a407f512daf16e289e18885e4d17dda
SHA256 36bda6715705061895b3cdf2b4168003f93d0c1492ad58449a2b5bb48217d322
SHA512 3b32c8cfb7c03483d5ef8d4f16a127f76c422c7cd34bc2f504f84afc8161af2637553445044e4886e9f1519c52fa7c68652b2c4ccc5913e22271928aea6d0a21

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\g5734452.exe

MD5 9c5958557ccffc32c7e2d7d8ad8e75a4
SHA1 d2345ed34d170c85447369c5cae4b2fd540004c8
SHA256 cdb1773d4e7c32072097566339d7edcd1416c3f3995a50972852b80ecee4dc5a
SHA512 907a7ffbe3c8b71df130b38d9506765aa6d2bf897833f55534d4fadda32cec57c84297d946ad13c06636b6cbaa65aa9536c22e589e7cecb5a9147bf130839274

memory/2356-14-0x0000000073F6E000-0x0000000073F6F000-memory.dmp

memory/2356-15-0x00000000009E0000-0x0000000000A08000-memory.dmp

memory/2356-16-0x0000000007DE0000-0x00000000083F8000-memory.dmp

memory/2356-17-0x0000000007880000-0x0000000007892000-memory.dmp

memory/2356-18-0x00000000079B0000-0x0000000007ABA000-memory.dmp

memory/2356-19-0x0000000007910000-0x000000000794C000-memory.dmp

memory/2356-20-0x0000000073F60000-0x0000000074710000-memory.dmp

memory/2356-21-0x0000000004E30000-0x0000000004E7C000-memory.dmp

memory/2356-22-0x0000000073F6E000-0x0000000073F6F000-memory.dmp

memory/2356-23-0x0000000073F60000-0x0000000074710000-memory.dmp