bumblebee | 3fdf1be957886affcc289f411ab91d634bb46e1537fc5e58f72c70bbd376d528

Analysis

max time kernel
145s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
07-11-2022 19:02

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General

Target

run.bat
Size

32B
MD5

515ab1b36d62a9fe2853d29dffe5ce79
SHA1

a2e397c2f9ae044146eb57e43dd4dc4851af5e55
SHA256

e029e5c7e6f01937cec6f8e7c175ee17b99155905224261f42584165d3202070
SHA512

e9b085733214043adcce9b23055dd783cc9582d0ddb6d1fc8c0ae7ecb3b262d389ddb07ee980d9fc23589d58d1bb0ce031c584c99944181b8db527a3f114e6a2

Score

10^/10

bumblebee 0311t2 trojan

Malware Config

Extracted

Family

bumblebee

Botnet

0311t2

39.65.8.170:443

103.144.139.156:443

107.189.30.231:443

91.245.254.101:443

194.135.33.127:443

rc4.plain

Signatures

BumbleBee
BumbleBee is a webshell malware written in C++.
trojan bumblebee

Blocklisted process makes network request 7 IoCs

flow	pid	Process
25	4648	rundll32.exe
40	4648	rundll32.exe
45	4648	rundll32.exe
49	4648	rundll32.exe
50	4648	rundll32.exe
56	4648	rundll32.exe
57	4648	rundll32.exe

Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

pid	Process
4648	rundll32.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 5028 wrote to memory of 4648	5028	cmd.exe	82
PID 5028 wrote to memory of 4648	5028	cmd.exe	82

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\run.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:5028
- C:\Windows\system32\rundll32.exe
  rundll32.exe /s bb.dll,BasicLoad
  2⤵
  - Blocklisted process makes network request
  - Suspicious use of NtCreateThreadExHideFromDebugger
  PID:4648

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/4648-136-0x00000224EA000000-0x00000224EA149000-memory.dmp

Filesize
1.3MB

Download
memory/4648-137-0x00000224E9E40000-0x00000224E9EB6000-memory.dmp

Filesize
472KB

Download