Malware Analysis Report

2024-10-23 15:36

Sample ID 230914-kvmffsag8x
Target 3004-1-0x0000000002010000-0x000000000211A000-memory.dmp
SHA256 c5ef5d905e0a08ae39e9308f4134c819402ebe5c240c0e1076820e1daaf02d13
Tags
js1 bumblebee
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

c5ef5d905e0a08ae39e9308f4134c819402ebe5c240c0e1076820e1daaf02d13

Threat Level: Known bad

The file 3004-1-0x0000000002010000-0x000000000211A000-memory.dmp was found to be: Known bad.

Malicious Activity Summary

js1 bumblebee

Bumblebee family

Unsigned PE

Program crash

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-09-14 08:55

Signatures

Bumblebee family

bumblebee

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-09-14 08:55

Reported

2023-09-14 08:58

Platform

win7-20230831-en

Max time kernel

119s

Max time network

124s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\3004-1-0x0000000002010000-0x000000000211A000-memory.dll,#1

Signatures

N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\3004-1-0x0000000002010000-0x000000000211A000-memory.dll,#1

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2023-09-14 08:55

Reported

2023-09-14 08:58

Platform

win10v2004-20230831-en

Max time kernel

142s

Max time network

150s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\3004-1-0x0000000002010000-0x000000000211A000-memory.dll,#1

Signatures

Program crash

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

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\3004-1-0x0000000002010000-0x000000000211A000-memory.dll,#1

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -pss -s 408 -p 1508 -ip 1508

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 1508 -s 240

Network

Country Destination Domain Proto
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 126.177.238.8.in-addr.arpa udp
US 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 126.178.238.8.in-addr.arpa udp
US 8.8.8.8:53 210.80.50.20.in-addr.arpa udp

Files

N/A