Malware Analysis Report

2024-12-07 03:36

Sample ID 241111-mjw7maxhqj
Target 1cb2ab3bfe3cd784c0d2b744b025981e59abcefa68c6f7ba97309d41a36374c5
SHA256 1cb2ab3bfe3cd784c0d2b744b025981e59abcefa68c6f7ba97309d41a36374c5
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

1cb2ab3bfe3cd784c0d2b744b025981e59abcefa68c6f7ba97309d41a36374c5

Threat Level: Known bad

The file 1cb2ab3bfe3cd784c0d2b744b025981e59abcefa68c6f7ba97309d41a36374c5 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 10:30

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-11 10:30

Reported

2024-11-11 10:32

Platform

win10v2004-20241007-en

Max time kernel

131s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1cb2ab3bfe3cd784c0d2b744b025981e59abcefa68c6f7ba97309d41a36374c5.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

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\1cb2ab3bfe3cd784c0d2b744b025981e59abcefa68c6f7ba97309d41a36374c5.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\sKf84uG.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup2 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP002.TMP\\\"" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sHm47kQ.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\1cb2ab3bfe3cd784c0d2b744b025981e59abcefa68c6f7ba97309d41a36374c5.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sKf84uG.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sHm47kQ.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\kXa96PM.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4552 wrote to memory of 532 N/A C:\Users\Admin\AppData\Local\Temp\1cb2ab3bfe3cd784c0d2b744b025981e59abcefa68c6f7ba97309d41a36374c5.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sKf84uG.exe
PID 4552 wrote to memory of 532 N/A C:\Users\Admin\AppData\Local\Temp\1cb2ab3bfe3cd784c0d2b744b025981e59abcefa68c6f7ba97309d41a36374c5.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sKf84uG.exe
PID 4552 wrote to memory of 532 N/A C:\Users\Admin\AppData\Local\Temp\1cb2ab3bfe3cd784c0d2b744b025981e59abcefa68c6f7ba97309d41a36374c5.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sKf84uG.exe
PID 532 wrote to memory of 4332 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sKf84uG.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sHm47kQ.exe
PID 532 wrote to memory of 4332 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sKf84uG.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sHm47kQ.exe
PID 532 wrote to memory of 4332 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sKf84uG.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sHm47kQ.exe
PID 4332 wrote to memory of 2000 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sHm47kQ.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\kXa96PM.exe
PID 4332 wrote to memory of 2000 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sHm47kQ.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\kXa96PM.exe
PID 4332 wrote to memory of 2000 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sHm47kQ.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\kXa96PM.exe

Processes

C:\Users\Admin\AppData\Local\Temp\1cb2ab3bfe3cd784c0d2b744b025981e59abcefa68c6f7ba97309d41a36374c5.exe

"C:\Users\Admin\AppData\Local\Temp\1cb2ab3bfe3cd784c0d2b744b025981e59abcefa68c6f7ba97309d41a36374c5.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sKf84uG.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sKf84uG.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sHm47kQ.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sHm47kQ.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\kXa96PM.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\kXa96PM.exe

Network

Country Destination Domain Proto
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.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 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.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 83.210.23.2.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 102.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.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\sKf84uG.exe

MD5 d9162c258d476e942bcfa3f5039ba1eb
SHA1 73f311baa895e11da2737ff1f0c1a481d56d6c56
SHA256 15661e857c46fdf1a57a3b10fe58fcecbb3257d3ed43efa65df75e381af60f94
SHA512 2e2b6fad09c188e175fa54a8449ae02ef00bb602b6c52e9599bb279dce76463cb2954305f6b15c6eb6aaffe9dba8c9a85cf2d1519a0baf1fc7d6a3267a62e415

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sHm47kQ.exe

MD5 3b98ba33d7228c5695b9fd996c2ea6b2
SHA1 108ef1417654f9d78cc8e314f3486650acc8a475
SHA256 4cd69a822ed31114d1f0841f0c4c216f93fed522021f9e05f8abd97239459d1c
SHA512 34c88c1adf3fb84e93b141a26303382fec3a1647dd31218b68c9b8245f0eeb600ee18cf1c342d9b430e89c3d6d1fefa72ebe7cb196bdcdab49eaac68a328fd96

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\kXa96PM.exe

MD5 da6f3bef8abc85bd09f50783059964e3
SHA1 a0f25f60ec1896c4c920ea397f40e6ce29724322
SHA256 e6d9ee8ab0ea2ade6e5a9481d8f0f921427ec6919b1b48c6067570fde270736b
SHA512 4d2e1472b114c98c74900b8305aabbc49ba28edffdc2376206cf02e26593df4e444933b3aa19f0c6cd0ae3ac3133d656433574aaf25a57748758e5dd25edfbec

memory/2000-21-0x0000000000BC0000-0x0000000000BF2000-memory.dmp

memory/2000-22-0x0000000005A40000-0x0000000006058000-memory.dmp

memory/2000-23-0x0000000005560000-0x000000000566A000-memory.dmp

memory/2000-24-0x0000000005490000-0x00000000054A2000-memory.dmp

memory/2000-25-0x00000000054F0000-0x000000000552C000-memory.dmp

memory/2000-26-0x0000000005670000-0x00000000056BC000-memory.dmp