Malware Analysis Report

2024-10-19 01:06

Sample ID 230419-z3esxafd2x
Target outout.bin
SHA256 39e300a5b4278a3ff5fe48c7fa4bd248779b93bbb6ade55e38b22de5f9d64c3c
Tags
bumblebee cis21704 trojan
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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

39e300a5b4278a3ff5fe48c7fa4bd248779b93bbb6ade55e38b22de5f9d64c3c

Threat Level: Known bad

The file outout.bin was found to be: Known bad.

Malicious Activity Summary

bumblebee cis21704 trojan

BumbleBee

Bumblebee family

Suspicious use of NtCreateThreadExHideFromDebugger

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-04-19 21:14

Signatures

Bumblebee family

bumblebee

Analysis: behavioral1

Detonation Overview

Submitted

2023-04-19 21:14

Reported

2023-04-19 21:17

Platform

win7-20230220-en

Max time kernel

28s

Max time network

30s

Command Line

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

Signatures

BumbleBee

trojan bumblebee

Suspicious use of NtCreateThreadExHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Windows\system32\rundll32.exe N/A

Processes

C:\Windows\system32\rundll32.exe

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

Network

N/A

Files

memory/1240-54-0x0000000001B50000-0x0000000001CBA000-memory.dmp

memory/1240-55-0x00000000779C0000-0x00000000779C1000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-04-19 21:14

Reported

2023-04-19 21:17

Platform

win10v2004-20230220-en

Max time kernel

141s

Max time network

129s

Command Line

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

Signatures

BumbleBee

trojan bumblebee

Suspicious use of NtCreateThreadExHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Windows\system32\rundll32.exe N/A

Processes

C:\Windows\system32\rundll32.exe

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

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 37.146.190.20.in-addr.arpa udp
US 8.8.8.8:53 76.38.195.152.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
IE 20.50.73.9:443 tcp
US 209.197.3.8:80 tcp
US 209.197.3.8:80 tcp
NL 173.223.113.164:443 tcp
US 8.8.8.8:53 1.77.109.52.in-addr.arpa udp
US 13.107.4.50:80 tcp
NL 173.223.113.131:80 tcp
US 204.79.197.203:80 tcp

Files

memory/4852-133-0x00000285041B0000-0x000002850431A000-memory.dmp

memory/4852-134-0x00007FFED8DB0000-0x00007FFED8DB1000-memory.dmp

memory/4852-137-0x00000285040D0000-0x000002850417C000-memory.dmp