Malware Analysis Report

2024-12-07 03:39

Sample ID 241111-fs6n4atfmb
Target 8cf80e38f9c80878bcd4b791c50a3326c625c2aa4de1bc89dd06807eb2f7187b
SHA256 8cf80e38f9c80878bcd4b791c50a3326c625c2aa4de1bc89dd06807eb2f7187b
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

8cf80e38f9c80878bcd4b791c50a3326c625c2aa4de1bc89dd06807eb2f7187b

Threat Level: Known bad

The file 8cf80e38f9c80878bcd4b791c50a3326c625c2aa4de1bc89dd06807eb2f7187b was found to be: Known bad.

Malicious Activity Summary

redline fusa discovery infostealer persistence

Redline family

RedLine

RedLine payload

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 05:09

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-11 05:09

Reported

2024-11-11 05:11

Platform

win10v2004-20241007-en

Max time kernel

132s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8cf80e38f9c80878bcd4b791c50a3326c625c2aa4de1bc89dd06807eb2f7187b.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\8cf80e38f9c80878bcd4b791c50a3326c625c2aa4de1bc89dd06807eb2f7187b.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\sXR28ty.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\sLM25sz.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\IXP000.TMP\sXR28ty.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sLM25sz.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\kqQ61VE.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\8cf80e38f9c80878bcd4b791c50a3326c625c2aa4de1bc89dd06807eb2f7187b.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3184 wrote to memory of 2788 N/A C:\Users\Admin\AppData\Local\Temp\8cf80e38f9c80878bcd4b791c50a3326c625c2aa4de1bc89dd06807eb2f7187b.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sXR28ty.exe
PID 3184 wrote to memory of 2788 N/A C:\Users\Admin\AppData\Local\Temp\8cf80e38f9c80878bcd4b791c50a3326c625c2aa4de1bc89dd06807eb2f7187b.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sXR28ty.exe
PID 3184 wrote to memory of 2788 N/A C:\Users\Admin\AppData\Local\Temp\8cf80e38f9c80878bcd4b791c50a3326c625c2aa4de1bc89dd06807eb2f7187b.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sXR28ty.exe
PID 2788 wrote to memory of 4088 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sXR28ty.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sLM25sz.exe
PID 2788 wrote to memory of 4088 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sXR28ty.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sLM25sz.exe
PID 2788 wrote to memory of 4088 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sXR28ty.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sLM25sz.exe
PID 4088 wrote to memory of 1916 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sLM25sz.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\kqQ61VE.exe
PID 4088 wrote to memory of 1916 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sLM25sz.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\kqQ61VE.exe
PID 4088 wrote to memory of 1916 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sLM25sz.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\kqQ61VE.exe

Processes

C:\Users\Admin\AppData\Local\Temp\8cf80e38f9c80878bcd4b791c50a3326c625c2aa4de1bc89dd06807eb2f7187b.exe

"C:\Users\Admin\AppData\Local\Temp\8cf80e38f9c80878bcd4b791c50a3326c625c2aa4de1bc89dd06807eb2f7187b.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sXR28ty.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sXR28ty.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sLM25sz.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sLM25sz.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\kqQ61VE.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\kqQ61VE.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 68.209.201.84.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 67.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.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 88.210.23.2.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 98.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 22.236.111.52.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\sXR28ty.exe

MD5 237b8988e72de1e5c581f84cb4104bb6
SHA1 0fef0b8ba1ed8a393bdc4b5bc6780d603f06dafe
SHA256 1ca3900ff0bb64391c2dabf376f82f3f154aedcd8590bc90df8c36d3a96aa9ce
SHA512 52a1399acfe893a5c4e89885557bfdc242d48aa34115795026a765256a497e914af67adcdbb823c43a69b09425f3f73f1962c09ace6ba8f1ac9b271de9a1dd12

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sLM25sz.exe

MD5 f6fed6862fb83d53981b032d4576f81e
SHA1 fed99d79881ba3cee3401b06e34589002dc66a46
SHA256 ad84bfabefc26da71ff7e6b10586d1e0fddeb5e2878a4816e91906f2bcd08b3c
SHA512 09651e514c03c9f99c7784f7e77d78a813eec300a7958bff26470d7b780aabc78034e57a2cfbcac3746e6b2eb9f5aff57bed67b7fdf429bef6b0b35545f2a77e

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\kqQ61VE.exe

MD5 da6f3bef8abc85bd09f50783059964e3
SHA1 a0f25f60ec1896c4c920ea397f40e6ce29724322
SHA256 e6d9ee8ab0ea2ade6e5a9481d8f0f921427ec6919b1b48c6067570fde270736b
SHA512 4d2e1472b114c98c74900b8305aabbc49ba28edffdc2376206cf02e26593df4e444933b3aa19f0c6cd0ae3ac3133d656433574aaf25a57748758e5dd25edfbec

memory/1916-21-0x00000000003E0000-0x0000000000412000-memory.dmp

memory/1916-22-0x0000000005240000-0x0000000005858000-memory.dmp

memory/1916-23-0x0000000004D80000-0x0000000004E8A000-memory.dmp

memory/1916-24-0x0000000004CB0000-0x0000000004CC2000-memory.dmp

memory/1916-25-0x0000000004E90000-0x0000000004ECC000-memory.dmp

memory/1916-26-0x0000000004CD0000-0x0000000004D1C000-memory.dmp