Malware Analysis Report

2024-10-23 15:36

Sample ID 230915-pv1qasbf7v
Target 452bb497728f1eb2ccd56b83f7a13e51447bd79852085e68908cb6c47625060b_JC.exe
SHA256 452bb497728f1eb2ccd56b83f7a13e51447bd79852085e68908cb6c47625060b
Tags
bumblebee js1 trojan
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

452bb497728f1eb2ccd56b83f7a13e51447bd79852085e68908cb6c47625060b

Threat Level: Known bad

The file 452bb497728f1eb2ccd56b83f7a13e51447bd79852085e68908cb6c47625060b_JC.exe was found to be: Known bad.

Malicious Activity Summary

bumblebee js1 trojan

BumbleBee

Suspicious use of NtCreateThreadExHideFromDebugger

Unsigned PE

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-09-15 12:39

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-09-15 12:39

Reported

2023-09-15 12:42

Platform

win7-20230831-en

Max time kernel

145s

Max time network

149s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\452bb497728f1eb2ccd56b83f7a13e51447bd79852085e68908cb6c47625060b_JC.dll

Signatures

BumbleBee

trojan bumblebee

Suspicious use of NtCreateThreadExHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Windows\system32\regsvr32.exe N/A

Processes

C:\Windows\system32\regsvr32.exe

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\452bb497728f1eb2ccd56b83f7a13e51447bd79852085e68908cb6c47625060b_JC.dll

Network

Country Destination Domain Proto
US 8.8.8.8:53 v5b6ml4o0nq.life udp
DE 116.203.151.240:443 v5b6ml4o0nq.life tcp
DE 116.203.151.240:443 v5b6ml4o0nq.life tcp
DE 116.203.151.240:443 v5b6ml4o0nq.life tcp

Files

memory/2124-0-0x0000000000120000-0x0000000000199000-memory.dmp

memory/2124-1-0x0000000077970000-0x0000000077B19000-memory.dmp

memory/2124-2-0x0000000002040000-0x000000000214A000-memory.dmp

memory/2124-4-0x0000000002040000-0x000000000214A000-memory.dmp

memory/2124-5-0x0000000077970000-0x0000000077B19000-memory.dmp

memory/2124-6-0x0000000002040000-0x000000000214A000-memory.dmp

memory/2124-7-0x0000000000120000-0x0000000000199000-memory.dmp

memory/2124-8-0x0000000077970000-0x0000000077B19000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-09-15 12:39

Reported

2023-09-15 12:42

Platform

win10v2004-20230915-en

Max time kernel

142s

Max time network

151s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\452bb497728f1eb2ccd56b83f7a13e51447bd79852085e68908cb6c47625060b_JC.dll

Signatures

BumbleBee

trojan bumblebee

Suspicious use of NtCreateThreadExHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Windows\system32\regsvr32.exe N/A

Processes

C:\Windows\system32\regsvr32.exe

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\452bb497728f1eb2ccd56b83f7a13e51447bd79852085e68908cb6c47625060b_JC.dll

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 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 17.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 v5b6ml4o0nq.life udp
DE 116.203.151.240:443 v5b6ml4o0nq.life tcp
US 8.8.8.8:53 240.151.203.116.in-addr.arpa udp
DE 116.203.151.240:443 v5b6ml4o0nq.life tcp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
DE 116.203.151.240:443 v5b6ml4o0nq.life tcp
US 8.8.8.8:53 16.173.189.20.in-addr.arpa udp

Files

memory/2740-0-0x0000000002680000-0x00000000026F9000-memory.dmp

memory/2740-1-0x00007FF881630000-0x00007FF881825000-memory.dmp

memory/2740-2-0x0000000002900000-0x0000000002A0A000-memory.dmp

memory/2740-5-0x00007FF881630000-0x00007FF881825000-memory.dmp

memory/2740-4-0x0000000002900000-0x0000000002A0A000-memory.dmp

memory/2740-3-0x00007FF881630000-0x00007FF881825000-memory.dmp

memory/2740-6-0x0000000002900000-0x0000000002A0A000-memory.dmp

memory/2740-7-0x0000000002900000-0x0000000002A0A000-memory.dmp

memory/2740-8-0x0000000002680000-0x00000000026F9000-memory.dmp

memory/2740-9-0x00007FF881630000-0x00007FF881825000-memory.dmp