bumblebee | 8609ad237578cebde0dc75d4362724bc0a255a1fbcf70885331cb7b8c0c46099 | Triage

Analysis

max time kernel
139s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
03-11-2022 03:38

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General

Target

sledgehammering.dll
Size

882KB
MD5

d9f7f22d4a84d1b32481725008e4cf9c
SHA1

71a8e59d97141b074bba6fff5ccb7ceb69ebb62d
SHA256

8609ad237578cebde0dc75d4362724bc0a255a1fbcf70885331cb7b8c0c46099
SHA512

0456f61bdddcdb7a42aae78a57a6f2a9cbbc6f3758defeea1aaa4d2dbbb3dbe96917bb416da6a31f1c5064d48369263ff79bf333611fada68a5893a16739bd58
SSDEEP

24576:M5FKqGWQEaOzsNHTC8nfbtSU5QEgZb3Bzvrr:M5FpGWcEqCUHA7T

Score

10^/10

bumblebee 0211r trojan

Malware Config

Extracted

Family

bumblebee

Botnet

0211r

C2

193.109.120.156:443

192.111.146.184:443

104.219.233.113:443

rc4.plain

Signatures

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

Blocklisted process makes network request 6 IoCs

flow	pid	Process
25	3436	rundll32.exe
28	3436	rundll32.exe
32	3436	rundll32.exe
35	3436	rundll32.exe
36	3436	rundll32.exe
37	3436	rundll32.exe

Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

pid	Process
3436	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\sledgehammering.dll,#1
1⤵
- Blocklisted process makes network request
- Suspicious use of NtCreateThreadExHideFromDebugger
PID:3436

Network

MITRE ATT&CK Matrix

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Downloads

memory/3436-132-0x000001C6582B0000-0x000001C6583F9000-memory.dmp

Filesize
1.3MB

Download
memory/3436-133-0x000001C6580F0000-0x000001C658166000-memory.dmp

Filesize
472KB

Download