Malware Analysis Report

2025-01-23 07:41

Sample ID 241108-txkjbavkbw
Target 5ed8e9eaa67d712393ae92447d6f6436282b335ebb06008bd12141b532c8f962
SHA256 5ed8e9eaa67d712393ae92447d6f6436282b335ebb06008bd12141b532c8f962
Tags
redline fukia 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

5ed8e9eaa67d712393ae92447d6f6436282b335ebb06008bd12141b532c8f962

Threat Level: Known bad

The file 5ed8e9eaa67d712393ae92447d6f6436282b335ebb06008bd12141b532c8f962 was found to be: Known bad.

Malicious Activity Summary

redline fukia discovery infostealer persistence

RedLine payload

Redline family

RedLine

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

2024-11-08 16:26

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-08 16:26

Reported

2024-11-08 16:28

Platform

win10v2004-20241007-en

Max time kernel

131s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5ed8e9eaa67d712393ae92447d6f6436282b335ebb06008bd12141b532c8f962.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\nRa24.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\blC34.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\5ed8e9eaa67d712393ae92447d6f6436282b335ebb06008bd12141b532c8f962.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\nRa24.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\5ed8e9eaa67d712393ae92447d6f6436282b335ebb06008bd12141b532c8f962.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nRa24.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\blC34.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\5ed8e9eaa67d712393ae92447d6f6436282b335ebb06008bd12141b532c8f962.exe

"C:\Users\Admin\AppData\Local\Temp\5ed8e9eaa67d712393ae92447d6f6436282b335ebb06008bd12141b532c8f962.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nRa24.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nRa24.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\blC34.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\blC34.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 98.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 73.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
RU 193.233.20.13:4136 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
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 67.208.201.84.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
RU 193.233.20.13:4136 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nRa24.exe

MD5 f5c31f8270b7dfb8d080f460268c0615
SHA1 2295bb99ddfeab0415e220ee1df57939d33894fc
SHA256 6e29bb736682ef65a8cae35de728d798dbe7e7606b42b46b4deb8d9b0257f61b
SHA512 78f902000ccb2d25aaecfab8aac884cf45e22a5e2609bfeafa9c82ae4a471a37b686567aabad1fa5db45cac55d04e5e365869d8c26810793b12324b37c76eef4

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\blC34.exe

MD5 a5f5c5d6291c7ae9e1d1b7ed1e551490
SHA1 3d06413341893b838549939e15f8f1eec423d71a
SHA256 1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e
SHA512 d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

memory/2352-14-0x000000007479E000-0x000000007479F000-memory.dmp

memory/2352-15-0x0000000000C30000-0x0000000000C62000-memory.dmp

memory/2352-16-0x0000000005BB0000-0x00000000061C8000-memory.dmp

memory/2352-17-0x0000000005710000-0x000000000581A000-memory.dmp

memory/2352-18-0x0000000005640000-0x0000000005652000-memory.dmp

memory/2352-19-0x00000000056A0000-0x00000000056DC000-memory.dmp

memory/2352-20-0x0000000005820000-0x000000000586C000-memory.dmp

memory/2352-21-0x000000007479E000-0x000000007479F000-memory.dmp