Malware Analysis Report

2024-12-07 03:41

Sample ID 241111-ajnh9sycrf
Target 935f9a9cbf04c70fe250b9726543cbed80d0f5dde4e16beab2d176e65d92a1a7
SHA256 935f9a9cbf04c70fe250b9726543cbed80d0f5dde4e16beab2d176e65d92a1a7
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

935f9a9cbf04c70fe250b9726543cbed80d0f5dde4e16beab2d176e65d92a1a7

Threat Level: Known bad

The file 935f9a9cbf04c70fe250b9726543cbed80d0f5dde4e16beab2d176e65d92a1a7 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

2024-11-11 00:14

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-11 00:14

Reported

2024-11-11 00:17

Platform

win10v2004-20241007-en

Max time kernel

132s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\935f9a9cbf04c70fe250b9726543cbed80d0f5dde4e16beab2d176e65d92a1a7.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\nkX76.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bQi42.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\935f9a9cbf04c70fe250b9726543cbed80d0f5dde4e16beab2d176e65d92a1a7.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\nkX76.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\935f9a9cbf04c70fe250b9726543cbed80d0f5dde4e16beab2d176e65d92a1a7.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nkX76.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bQi42.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\935f9a9cbf04c70fe250b9726543cbed80d0f5dde4e16beab2d176e65d92a1a7.exe

"C:\Users\Admin\AppData\Local\Temp\935f9a9cbf04c70fe250b9726543cbed80d0f5dde4e16beab2d176e65d92a1a7.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nkX76.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nkX76.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bQi42.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bQi42.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 68.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.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 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 21.236.111.52.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\nkX76.exe

MD5 d12163d2ce028bfae5bba271f89c0b53
SHA1 fe99de61be078d68ed335c00ca534ec0f0336d62
SHA256 d30ba5690dd526a98b624ec5c5147c2e688969843b365dbc011a7a13513f7ed5
SHA512 c1cc05736efe65fb5b8bcb40e73608ff293dde7fe7051d1c56efd5d9b1114a4082eaecac48fde45035ec7389b0676af388a3b1d4843b656683eb37aa6a3aa9cc

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bQi42.exe

MD5 da6f3bef8abc85bd09f50783059964e3
SHA1 a0f25f60ec1896c4c920ea397f40e6ce29724322
SHA256 e6d9ee8ab0ea2ade6e5a9481d8f0f921427ec6919b1b48c6067570fde270736b
SHA512 4d2e1472b114c98c74900b8305aabbc49ba28edffdc2376206cf02e26593df4e444933b3aa19f0c6cd0ae3ac3133d656433574aaf25a57748758e5dd25edfbec

memory/3036-14-0x000000007479E000-0x000000007479F000-memory.dmp

memory/3036-15-0x0000000000330000-0x0000000000362000-memory.dmp

memory/3036-16-0x0000000005150000-0x0000000005768000-memory.dmp

memory/3036-17-0x0000000004CD0000-0x0000000004DDA000-memory.dmp

memory/3036-18-0x0000000004C00000-0x0000000004C12000-memory.dmp

memory/3036-19-0x0000000004C60000-0x0000000004C9C000-memory.dmp

memory/3036-20-0x0000000004DE0000-0x0000000004E2C000-memory.dmp

memory/3036-21-0x000000007479E000-0x000000007479F000-memory.dmp