Malware Analysis Report

2024-12-01 02:47

Sample ID 241110-bqxk7ayraj
Target 6b55d750c33783ca7809e8b95216cdc15f9fcf80c52e56ccb6c04b810730d26e
SHA256 6b55d750c33783ca7809e8b95216cdc15f9fcf80c52e56ccb6c04b810730d26e
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

6b55d750c33783ca7809e8b95216cdc15f9fcf80c52e56ccb6c04b810730d26e

Threat Level: Known bad

The file 6b55d750c33783ca7809e8b95216cdc15f9fcf80c52e56ccb6c04b810730d26e 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

2024-11-10 01:21

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 01:21

Reported

2024-11-10 01:24

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6b55d750c33783ca7809e8b95216cdc15f9fcf80c52e56ccb6c04b810730d26e.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\x1506999.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\g1057735.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\6b55d750c33783ca7809e8b95216cdc15f9fcf80c52e56ccb6c04b810730d26e.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\x1506999.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\6b55d750c33783ca7809e8b95216cdc15f9fcf80c52e56ccb6c04b810730d26e.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x1506999.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\g1057735.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\6b55d750c33783ca7809e8b95216cdc15f9fcf80c52e56ccb6c04b810730d26e.exe

"C:\Users\Admin\AppData\Local\Temp\6b55d750c33783ca7809e8b95216cdc15f9fcf80c52e56ccb6c04b810730d26e.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x1506999.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x1506999.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\g1057735.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\g1057735.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
FI 77.91.124.111:19069 tcp
US 8.8.8.8:53 67.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
FI 77.91.124.111:19069 tcp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 75.117.19.2.in-addr.arpa udp
FI 77.91.124.111:19069 tcp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
FI 77.91.124.111:19069 tcp
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
FI 77.91.124.111:19069 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x1506999.exe

MD5 33856e67527f2cad8ac0eb4a10470b52
SHA1 bef812d1632594e61981d1ffaaabfe7c105f97ad
SHA256 c4f147ba6df8b71c54f887a34834641af514aaec1a31e580d6593cf9ebf23590
SHA512 dcd6b01d23447ecdde425f080194e00e5ab936871f990a946bde33b959f60813011b06300f50341a7a95c9f12310cc2af18aa555165a31a30821433d435d64dd

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\g1057735.exe

MD5 9b91750a7959a0256707852862f76fba
SHA1 354526a0fcaa9a8b7612fe1bd6f18fdc68247012
SHA256 c8a4d2696df7a53152115afd13400a059bc141df3d1517a0e05d772c0d5e3bb7
SHA512 964f2ac5e81d081dd3a96bc0b59cbbdea256a18f358f5035aeecccf11750357dfb8acf7b831e414be6c021fb7434b3754dbc48a37dba55683a05e4bd08bf3a83

memory/3608-14-0x00000000744EE000-0x00000000744EF000-memory.dmp

memory/3608-15-0x0000000000CD0000-0x0000000000CF8000-memory.dmp

memory/3608-16-0x0000000007FD0000-0x00000000085E8000-memory.dmp

memory/3608-17-0x0000000007A30000-0x0000000007A42000-memory.dmp

memory/3608-18-0x0000000007B60000-0x0000000007C6A000-memory.dmp

memory/3608-19-0x0000000007A90000-0x0000000007ACC000-memory.dmp

memory/3608-20-0x00000000744E0000-0x0000000074C90000-memory.dmp

memory/3608-21-0x0000000002F50000-0x0000000002F9C000-memory.dmp

memory/3608-22-0x00000000744EE000-0x00000000744EF000-memory.dmp

memory/3608-23-0x00000000744E0000-0x0000000074C90000-memory.dmp