Malware Analysis Report

2024-12-07 03:38

Sample ID 241110-mrcg7avhlg
Target cefbd0f117fb8bfbf110dee25b25517e8eff876cbb2ce9e9ab3712c647fb3167
SHA256 cefbd0f117fb8bfbf110dee25b25517e8eff876cbb2ce9e9ab3712c647fb3167
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

cefbd0f117fb8bfbf110dee25b25517e8eff876cbb2ce9e9ab3712c647fb3167

Threat Level: Known bad

The file cefbd0f117fb8bfbf110dee25b25517e8eff876cbb2ce9e9ab3712c647fb3167 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 10:41

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 10:41

Reported

2024-11-10 10:44

Platform

win10v2004-20241007-en

Max time kernel

132s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\cefbd0f117fb8bfbf110dee25b25517e8eff876cbb2ce9e9ab3712c647fb3167.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\nLS77.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bYG65.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\cefbd0f117fb8bfbf110dee25b25517e8eff876cbb2ce9e9ab3712c647fb3167.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\nLS77.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\cefbd0f117fb8bfbf110dee25b25517e8eff876cbb2ce9e9ab3712c647fb3167.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nLS77.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bYG65.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\cefbd0f117fb8bfbf110dee25b25517e8eff876cbb2ce9e9ab3712c647fb3167.exe

"C:\Users\Admin\AppData\Local\Temp\cefbd0f117fb8bfbf110dee25b25517e8eff876cbb2ce9e9ab3712c647fb3167.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nLS77.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nLS77.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bYG65.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bYG65.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
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 74.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.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 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 98.117.19.2.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 103.208.201.84.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 43.229.111.52.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\nLS77.exe

MD5 bc799b3aaeafb433461da657971a1822
SHA1 6e44c378f0f343da3cda52272e44220d4613608c
SHA256 12b6b8ab3b576bb2d6c6e6dad7e8715ebf54683e2c1ef6852c8caebabba69c50
SHA512 e64c17f47ed1f99152c80ebe3ce2f38f8e516546caa9a24313dc2fa46aa16e6e99da81ba051f98840716588d00bbbc7455d3938ad788d3aeba227c7ec1186d85

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bYG65.exe

MD5 da6f3bef8abc85bd09f50783059964e3
SHA1 a0f25f60ec1896c4c920ea397f40e6ce29724322
SHA256 e6d9ee8ab0ea2ade6e5a9481d8f0f921427ec6919b1b48c6067570fde270736b
SHA512 4d2e1472b114c98c74900b8305aabbc49ba28edffdc2376206cf02e26593df4e444933b3aa19f0c6cd0ae3ac3133d656433574aaf25a57748758e5dd25edfbec

memory/1172-14-0x0000000074B7E000-0x0000000074B7F000-memory.dmp

memory/1172-15-0x00000000000E0000-0x0000000000112000-memory.dmp

memory/1172-16-0x0000000005030000-0x0000000005648000-memory.dmp

memory/1172-17-0x0000000004BB0000-0x0000000004CBA000-memory.dmp

memory/1172-18-0x0000000004AE0000-0x0000000004AF2000-memory.dmp

memory/1172-19-0x0000000004B60000-0x0000000004B9C000-memory.dmp

memory/1172-20-0x0000000004B00000-0x0000000004B4C000-memory.dmp

memory/1172-21-0x0000000074B7E000-0x0000000074B7F000-memory.dmp