Malware Analysis Report

2024-12-07 03:38

Sample ID 241110-gdpbyatngm
Target d9ac33b48c2a673b2ab8d9d460b87e26340c799f6e905bffb7b8f7f9e3b6a0eeN
SHA256 d9ac33b48c2a673b2ab8d9d460b87e26340c799f6e905bffb7b8f7f9e3b6a0ee
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

d9ac33b48c2a673b2ab8d9d460b87e26340c799f6e905bffb7b8f7f9e3b6a0ee

Threat Level: Known bad

The file d9ac33b48c2a673b2ab8d9d460b87e26340c799f6e905bffb7b8f7f9e3b6a0eeN 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 05:41

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 05:41

Reported

2024-11-10 05:43

Platform

win10v2004-20241007-en

Max time kernel

105s

Max time network

113s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d9ac33b48c2a673b2ab8d9d460b87e26340c799f6e905bffb7b8f7f9e3b6a0eeN.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\nXX45.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bDc71.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\nXX45.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\d9ac33b48c2a673b2ab8d9d460b87e26340c799f6e905bffb7b8f7f9e3b6a0eeN.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\bDc71.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\d9ac33b48c2a673b2ab8d9d460b87e26340c799f6e905bffb7b8f7f9e3b6a0eeN.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nXX45.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\d9ac33b48c2a673b2ab8d9d460b87e26340c799f6e905bffb7b8f7f9e3b6a0eeN.exe

"C:\Users\Admin\AppData\Local\Temp\d9ac33b48c2a673b2ab8d9d460b87e26340c799f6e905bffb7b8f7f9e3b6a0eeN.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nXX45.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nXX45.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bDc71.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bDc71.exe

Network

Country Destination Domain Proto
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 20.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 75.117.19.2.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 172.214.232.199.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\nXX45.exe

MD5 da5ffbda64342b2c7184e1a7cfc1f2e3
SHA1 43dd0b7f05d2c23aae1c2ac10b3498ae4f952faf
SHA256 a038e5a1ded14c60cb109820c021bf66727267b777cad121cb109eb13ae3c661
SHA512 1f1ffe632f7cd3a918cd282bfdbab2787c9ae72ccfdb26c2900db3ccd57bec5953db9a893efecf79239b56fba709b82cc69fc132634e74da10d24779ec1e4554

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bDc71.exe

MD5 da6f3bef8abc85bd09f50783059964e3
SHA1 a0f25f60ec1896c4c920ea397f40e6ce29724322
SHA256 e6d9ee8ab0ea2ade6e5a9481d8f0f921427ec6919b1b48c6067570fde270736b
SHA512 4d2e1472b114c98c74900b8305aabbc49ba28edffdc2376206cf02e26593df4e444933b3aa19f0c6cd0ae3ac3133d656433574aaf25a57748758e5dd25edfbec

memory/2524-14-0x0000000073BFE000-0x0000000073BFF000-memory.dmp

memory/2524-15-0x00000000006C0000-0x00000000006F2000-memory.dmp

memory/2524-16-0x0000000005620000-0x0000000005C38000-memory.dmp

memory/2524-17-0x00000000051A0000-0x00000000052AA000-memory.dmp

memory/2524-18-0x00000000050D0000-0x00000000050E2000-memory.dmp

memory/2524-19-0x0000000005130000-0x000000000516C000-memory.dmp

memory/2524-20-0x00000000052B0000-0x00000000052FC000-memory.dmp

memory/2524-21-0x0000000073BFE000-0x0000000073BFF000-memory.dmp