Malware Analysis Report

2024-12-07 14:17

Sample ID 241120-d3lqkavlam
Target 2024-11-20_5d32ada4f02216187028e891ed511b8b_hijackloader_ryuk
SHA256 f2f3b1f5c2d2e21e173d9b36f5c52c8a3f6c4eec2d428dbf3c5aa83b90cb9b69
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

f2f3b1f5c2d2e21e173d9b36f5c52c8a3f6c4eec2d428dbf3c5aa83b90cb9b69

Threat Level: Known bad

The file 2024-11-20_5d32ada4f02216187028e891ed511b8b_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: behavioral1

Detonation Overview

Submitted

2024-11-20 03:32

Reported

2024-11-20 03:34

Platform

win7-20240903-en

Max time kernel

142s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-11-20_5d32ada4f02216187028e891ed511b8b_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_5d32ada4f02216187028e891ed511b8b_hijackloader_ryuk.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2024-11-20_5d32ada4f02216187028e891ed511b8b_hijackloader_ryuk.exe

"C:\Users\Admin\AppData\Local\Temp\2024-11-20_5d32ada4f02216187028e891ed511b8b_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/2772-0-0x0000000000250000-0x00000000002DB000-memory.dmp

memory/2772-1-0x0000000077311000-0x0000000077312000-memory.dmp

memory/2772-3-0x00000000772C0000-0x0000000077469000-memory.dmp

memory/2772-2-0x00000000005B0000-0x0000000000711000-memory.dmp

memory/2772-4-0x00000000772C0000-0x0000000077469000-memory.dmp

memory/2772-5-0x00000000772C0000-0x0000000077469000-memory.dmp

memory/2772-6-0x00000000005B0000-0x0000000000711000-memory.dmp

memory/2772-7-0x00000000005B0000-0x0000000000711000-memory.dmp

memory/2772-8-0x0000000000250000-0x00000000002DB000-memory.dmp

memory/2772-9-0x00000000772C0000-0x0000000077469000-memory.dmp

memory/2772-10-0x0000000077311000-0x0000000077312000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-20 03:32

Reported

2024-11-20 03:34

Platform

win10v2004-20241007-en

Max time kernel

149s

Max time network

157s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-11-20_5d32ada4f02216187028e891ed511b8b_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_5d32ada4f02216187028e891ed511b8b_hijackloader_ryuk.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2024-11-20_5d32ada4f02216187028e891ed511b8b_hijackloader_ryuk.exe

"C:\Users\Admin\AppData\Local\Temp\2024-11-20_5d32ada4f02216187028e891ed511b8b_hijackloader_ryuk.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
IN 40.193.27.226:315 tcp
US 8.8.8.8:53 172.214.232.199.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 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
ZA 197.170.198.152:234 tcp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 180.129.81.91.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 19.229.111.52.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
US 8.8.8.8:53 24.73.42.20.in-addr.arpa udp

Files

memory/2204-0-0x0000020EC1E70000-0x0000020EC1EFB000-memory.dmp

memory/2204-1-0x00007FFB67C2D000-0x00007FFB67C2E000-memory.dmp

memory/2204-2-0x0000020EC2070000-0x0000020EC21D1000-memory.dmp

memory/2204-3-0x00007FFB67B90000-0x00007FFB67D85000-memory.dmp

memory/2204-4-0x00007FFB67B90000-0x00007FFB67D85000-memory.dmp

memory/2204-5-0x00007FFB67B90000-0x00007FFB67D85000-memory.dmp

memory/2204-6-0x00007FFB67B90000-0x00007FFB67D85000-memory.dmp

memory/2204-8-0x00007FFB67B90000-0x00007FFB67D85000-memory.dmp

memory/2204-7-0x00007FFB67B90000-0x00007FFB67D85000-memory.dmp

memory/2204-9-0x0000020EC2070000-0x0000020EC21D1000-memory.dmp

memory/2204-10-0x0000020EC2070000-0x0000020EC21D1000-memory.dmp

memory/2204-11-0x0000020EC1E70000-0x0000020EC1EFB000-memory.dmp

memory/2204-12-0x00007FFB67C2D000-0x00007FFB67C2E000-memory.dmp

memory/2204-13-0x00007FFB67B90000-0x00007FFB67D85000-memory.dmp