Malware Analysis Report

2024-11-30 20:56

Sample ID 241120-har44axpcr
Target sqx.dll.exe
SHA256 14ffcbbfb305287ea15264df3363567f36a26917ae2018af0f40e2009b8a7184
Tags
bruteratel latrodectus backdoor loader
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

14ffcbbfb305287ea15264df3363567f36a26917ae2018af0f40e2009b8a7184

Threat Level: Known bad

The file sqx.dll.exe was found to be: Known bad.

Malicious Activity Summary

bruteratel latrodectus backdoor loader

Bruteratel family

Detects Latrodectus

Latrodectus family

Latrodectus loader

Brute Ratel C4

Detect BruteRatel badger

Blocklisted process makes network request

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of UnmapMainImage

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-11-20 06:32

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-20 06:32

Reported

2024-11-20 06:37

Platform

win10v2004-20241007-en

Max time kernel

283s

Max time network

272s

Command Line

C:\Windows\Explorer.EXE

Signatures

Brute Ratel C4

backdoor bruteratel

Bruteratel family

bruteratel

Detect BruteRatel badger

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

Detects Latrodectus

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

Latrodectus family

latrodectus

Latrodectus loader

loader latrodectus

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeShutdownPrivilege N/A C:\Windows\Explorer.EXE N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\Explorer.EXE N/A

Suspicious use of UnmapMainImage

Description Indicator Process Target
N/A N/A C:\Windows\Explorer.EXE N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1472 wrote to memory of 3496 N/A C:\Windows\system32\rundll32.exe C:\Windows\Explorer.EXE

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\sqx.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 73.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 guaaug.com udp
NL 46.249.49.83:4438 guaaug.com tcp
US 8.8.8.8:53 r10.o.lencr.org udp
GB 88.221.135.105:80 r10.o.lencr.org tcp
US 8.8.8.8:53 83.49.249.46.in-addr.arpa udp
US 8.8.8.8:53 168.245.100.95.in-addr.arpa udp
US 8.8.8.8:53 105.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 uayyau.com udp
NL 94.232.40.38:4438 uayyau.com tcp
US 8.8.8.8:53 38.40.232.94.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
NL 46.249.49.83:4438 guaaug.com tcp
US 8.8.8.8:53 4.159.190.20.in-addr.arpa udp
NL 46.249.49.83:4438 guaaug.com tcp
NL 46.249.49.83:4438 guaaug.com tcp
US 8.8.8.8:53 bestmarsgood.com udp
US 104.21.6.232:443 bestmarsgood.com tcp
US 8.8.8.8:53 cerwintifed.com udp
US 104.21.78.35:443 cerwintifed.com tcp
US 8.8.8.8:53 35.78.21.104.in-addr.arpa udp
US 8.8.8.8:53 232.6.21.104.in-addr.arpa udp
NL 46.249.49.83:4438 guaaug.com tcp
NL 94.232.40.38:4438 uayyau.com tcp

Files

memory/1472-0-0x00000160472F0000-0x000001604732E000-memory.dmp

memory/1472-1-0x0000016047330000-0x000001604737C000-memory.dmp

memory/1472-20-0x00007FF4DE290000-0x00007FF4DE2A5000-memory.dmp

memory/1472-22-0x00007FF4DE270000-0x00007FF4DE271000-memory.dmp

memory/3496-25-0x0000000001550000-0x0000000001565000-memory.dmp

memory/1472-24-0x00007FF4DE250000-0x00007FF4DE251000-memory.dmp

memory/1472-23-0x00007FF4DE260000-0x00007FF4DE261000-memory.dmp

memory/1472-21-0x00007FF4DE280000-0x00007FF4DE281000-memory.dmp

memory/1472-19-0x00007FF4DE2B0000-0x00007FF4DE2B1000-memory.dmp

memory/3496-26-0x0000000001550000-0x0000000001565000-memory.dmp

memory/1472-29-0x0000016047330000-0x000001604737C000-memory.dmp