bumblebee | 9cffe526ba68aefba5193fe1e691d947fffc55d1ab19b943d8bdd53c7ad7ac87 | Triage

Analysis

max time kernel
138s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
03-11-2022 01:51

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General

Target

wayworn.dll
Size

883KB
MD5

648d3be0c1ff4d28d224d6d104f0d4b9
SHA1

0a37ec313167900169a63ade8a511c23dd0da31d
SHA256

9cffe526ba68aefba5193fe1e691d947fffc55d1ab19b943d8bdd53c7ad7ac87
SHA512

88b51cc55a0be6badf177ae381b7a09831bd8bac832009a4f0b01a53dad606d43bceba34ddbaf39ca1ae59443f25027795acde399a020524826d004ccc3ceedf
SSDEEP

24576:0Q3nqD17TJdFDfdKTg6yatRrKGpafqhQNsLtQm7A/t:0QXq1zb92RrD3hQyJQoA/

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
29	3208	rundll32.exe
36	3208	rundll32.exe
39	3208	rundll32.exe
44	3208	rundll32.exe
45	3208	rundll32.exe
46	3208	rundll32.exe

Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

pid	Process
3208	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\wayworn.dll,#1
1⤵
- Blocklisted process makes network request
- Suspicious use of NtCreateThreadExHideFromDebugger
PID:3208

Network

MITRE ATT&CK Matrix

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Downloads

memory/3208-132-0x000002501F350000-0x000002501F499000-memory.dmp

Filesize
1.3MB

Download
memory/3208-133-0x000002501F070000-0x000002501F0E6000-memory.dmp

Filesize
472KB

Download