Malware Analysis Report

2024-12-07 14:17

Sample ID 241120-d1hk5azkgv
Target 2024-11-20_680a9c63e6d459a8c7c75360122f98d4_hijackloader_ryuk
SHA256 9095393d34997cae8c568522d92b7ff1e4358e59a46be58453be8c5ac7da6042
Tags
bumblebee 21maca 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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

9095393d34997cae8c568522d92b7ff1e4358e59a46be58453be8c5ac7da6042

Threat Level: Known bad

The file 2024-11-20_680a9c63e6d459a8c7c75360122f98d4_hijackloader_ryuk was found to be: Known bad.

Malicious Activity Summary

bumblebee 21maca loader

BumbleBee

Bumblebee family

Suspicious use of NtCreateThreadExHideFromDebugger

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-11-20 03:28

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-20 03:28

Reported

2024-11-20 03:30

Platform

win7-20240903-en

Max time kernel

144s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-11-20_680a9c63e6d459a8c7c75360122f98d4_hijackloader_ryuk.exe"

Signatures

BumbleBee

loader bumblebee

Bumblebee family

bumblebee

Suspicious use of NtCreateThreadExHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-11-20_680a9c63e6d459a8c7c75360122f98d4_hijackloader_ryuk.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2024-11-20_680a9c63e6d459a8c7c75360122f98d4_hijackloader_ryuk.exe

"C:\Users\Admin\AppData\Local\Temp\2024-11-20_680a9c63e6d459a8c7c75360122f98d4_hijackloader_ryuk.exe"

Network

Country Destination Domain Proto
IN 40.193.27.226:315 tcp
ZA 197.170.198.152:234 tcp
AU 163.223.67.191:321 tcp
US 73.237.181.95:225 tcp
JP 210.251.33.116:444 tcp
NL 84.35.30.131:488 tcp
CN 112.55.152.187:175 tcp

Files

memory/2520-0-0x00000000000D0000-0x000000000015B000-memory.dmp

memory/2520-1-0x00000000774C1000-0x00000000774C2000-memory.dmp

memory/2520-2-0x0000000000550000-0x00000000006B1000-memory.dmp

memory/2520-4-0x0000000077470000-0x0000000077619000-memory.dmp

memory/2520-3-0x0000000077470000-0x0000000077619000-memory.dmp

memory/2520-5-0x0000000077470000-0x0000000077619000-memory.dmp

memory/2520-6-0x0000000077470000-0x0000000077619000-memory.dmp

memory/2520-7-0x0000000000550000-0x00000000006B1000-memory.dmp

memory/2520-8-0x0000000000550000-0x00000000006B1000-memory.dmp

memory/2520-9-0x00000000000D0000-0x000000000015B000-memory.dmp

memory/2520-10-0x0000000077470000-0x0000000077619000-memory.dmp

memory/2520-11-0x00000000774C1000-0x00000000774C2000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-20 03:28

Reported

2024-11-20 03:31

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-11-20_680a9c63e6d459a8c7c75360122f98d4_hijackloader_ryuk.exe"

Signatures

BumbleBee

loader bumblebee

Bumblebee family

bumblebee

Suspicious use of NtCreateThreadExHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-11-20_680a9c63e6d459a8c7c75360122f98d4_hijackloader_ryuk.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2024-11-20_680a9c63e6d459a8c7c75360122f98d4_hijackloader_ryuk.exe

"C:\Users\Admin\AppData\Local\Temp\2024-11-20_680a9c63e6d459a8c7c75360122f98d4_hijackloader_ryuk.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
IN 40.193.27.226:315 tcp
US 8.8.8.8:53 181.129.81.91.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
ZA 197.170.198.152:234 tcp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 134.71.91.104.in-addr.arpa udp
AU 163.223.67.191:321 tcp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 73.237.181.95:225 tcp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
JP 210.251.33.116:444 tcp
NL 84.35.30.131:488 tcp
CN 112.55.152.187:175 tcp
US 8.8.8.8:53 27.173.189.20.in-addr.arpa udp

Files

memory/1396-0-0x0000028E50D40000-0x0000028E50DCB000-memory.dmp

memory/1396-1-0x00007FF842A6D000-0x00007FF842A6E000-memory.dmp

memory/1396-2-0x0000028E50F50000-0x0000028E510B1000-memory.dmp

memory/1396-5-0x00007FF8429D0000-0x00007FF842BC5000-memory.dmp

memory/1396-6-0x00007FF8429D0000-0x00007FF842BC5000-memory.dmp

memory/1396-7-0x00007FF8429D0000-0x00007FF842BC5000-memory.dmp

memory/1396-4-0x00007FF8429D0000-0x00007FF842BC5000-memory.dmp

memory/1396-3-0x00007FF8429D0000-0x00007FF842BC5000-memory.dmp

memory/1396-8-0x0000028E50F50000-0x0000028E510B1000-memory.dmp

memory/1396-9-0x0000028E50F50000-0x0000028E510B1000-memory.dmp

memory/1396-10-0x00007FF8429D0000-0x00007FF842BC5000-memory.dmp

memory/1396-11-0x0000028E50D40000-0x0000028E50DCB000-memory.dmp