Malware Analysis Report

2024-10-23 15:36

Sample ID 230914-ktzdmadd88
Target 1116-2-0x0000000001FF0000-0x00000000020FA000-memory.dmp
SHA256 526fa938245b01e6b3cd9bc66c266f4f439cdc0dbccfed75a683ce07c2d3cef2
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

526fa938245b01e6b3cd9bc66c266f4f439cdc0dbccfed75a683ce07c2d3cef2

Threat Level: Known bad

The file 1116-2-0x0000000001FF0000-0x00000000020FA000-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 08:54

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 08:54

Reported

2023-09-14 08:56

Platform

win7-20230831-en

Max time kernel

120s

Max time network

124s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\1116-2-0x0000000001FF0000-0x00000000020FA000-memory.dll,#1

Signatures

N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\1116-2-0x0000000001FF0000-0x00000000020FA000-memory.dll,#1

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2023-09-14 08:54

Reported

2023-09-14 08:56

Platform

win10v2004-20230831-en

Max time kernel

139s

Max time network

143s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\1116-2-0x0000000001FF0000-0x00000000020FA000-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\1116-2-0x0000000001FF0000-0x00000000020FA000-memory.dll,#1

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -pss -s 416 -p 3108 -ip 3108

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 3108 -s 244

Network

Country Destination Domain Proto
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 146.78.124.51.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 63.141.182.52.in-addr.arpa udp

Files

N/A