Malware Analysis Report

2024-10-23 15:36

Sample ID 230914-kvk8dsdd94
Target 2432-2-0x0000000002020000-0x000000000212A000-memory.dmp
SHA256 28a2ff757219883e335e8452a55dccb3845d24f6802f54286ffb8411eb85eb55
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

28a2ff757219883e335e8452a55dccb3845d24f6802f54286ffb8411eb85eb55

Threat Level: Known bad

The file 2432-2-0x0000000002020000-0x000000000212A000-memory.dmp was found to be: Known bad.

Malicious Activity Summary

js1 bumblebee

Bumblebee family

Program crash

Unsigned PE

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 08:57

Platform

win7-20230831-en

Max time kernel

120s

Max time network

123s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\2432-2-0x0000000002020000-0x000000000212A000-memory.dll,#1

Signatures

N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\2432-2-0x0000000002020000-0x000000000212A000-memory.dll,#1

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2023-09-14 08:55

Reported

2023-09-14 08:57

Platform

win10v2004-20230831-en

Max time kernel

140s

Max time network

146s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\2432-2-0x0000000002020000-0x000000000212A000-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\2432-2-0x0000000002020000-0x000000000212A000-memory.dll,#1

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -pss -s 408 -p 4364 -ip 4364

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 4364 -s 240

Network

Country Destination Domain Proto
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
US 8.8.8.8:53 0.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 38.148.119.40.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 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 49.192.11.51.in-addr.arpa udp

Files

N/A