Malware Analysis Report

2024-12-07 14:17

Sample ID 241120-d3vy8svlbk
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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

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 03:32

Signatures

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-20 03:32

Reported

2024-11-20 03:35

Platform

win10v2004-20241007-en

Max time kernel

144s

Max time network

149s

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 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
IN 40.193.27.226:315 tcp
US 8.8.8.8:53 68.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
ZA 197.170.198.152:234 tcp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
AU 163.223.67.191:321 tcp
US 73.237.181.95:225 tcp
US 8.8.8.8:53 43.229.111.52.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

Files

memory/840-0-0x0000027B1E3F0000-0x0000027B1E47B000-memory.dmp

memory/840-1-0x00007FFB2874D000-0x00007FFB2874E000-memory.dmp

memory/840-2-0x0000027B1E5E0000-0x0000027B1E741000-memory.dmp

memory/840-4-0x00007FFB286B0000-0x00007FFB288A5000-memory.dmp

memory/840-3-0x00007FFB286B0000-0x00007FFB288A5000-memory.dmp

memory/840-5-0x00007FFB286B0000-0x00007FFB288A5000-memory.dmp

memory/840-6-0x0000027B1E5E0000-0x0000027B1E741000-memory.dmp

memory/840-7-0x0000027B1E5E0000-0x0000027B1E741000-memory.dmp

memory/840-8-0x0000027B1E3F0000-0x0000027B1E47B000-memory.dmp

memory/840-9-0x00007FFB286B0000-0x00007FFB288A5000-memory.dmp

memory/840-10-0x00007FFB2874D000-0x00007FFB2874E000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-20 03:32

Reported

2024-11-20 03:35

Platform

win7-20241010-en

Max time kernel

144s

Max time network

149s

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/2360-0-0x00000000000D0000-0x000000000015B000-memory.dmp

memory/2360-1-0x0000000077BD1000-0x0000000077BD2000-memory.dmp

memory/2360-2-0x00000000005C0000-0x0000000000721000-memory.dmp

memory/2360-4-0x0000000077B80000-0x0000000077D29000-memory.dmp

memory/2360-3-0x0000000077B80000-0x0000000077D29000-memory.dmp

memory/2360-5-0x00000000005C0000-0x0000000000721000-memory.dmp

memory/2360-6-0x00000000005C0000-0x0000000000721000-memory.dmp

memory/2360-7-0x00000000000D0000-0x000000000015B000-memory.dmp

memory/2360-8-0x0000000077B80000-0x0000000077D29000-memory.dmp

memory/2360-9-0x0000000077BD1000-0x0000000077BD2000-memory.dmp