bumblebee | dbe4bfcec54587629aff611def62a726d0faae2ac3d1603b10b2bb477eb358e3

Resubmissions

02-12-2024 11:16

241202-ndkr3sxpdq 10

29-11-2024 12:55

241129-p5775awnhv 10

Analysis

max time kernel
560s
max time network
567s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
submitted
02-12-2024 11:16

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General

Target

DKyVKmgVSvviRl.bat

Score

10^/10

bumblebee 0411 loader

Malware Config

Extracted

Family

bumblebee

Botnet

0411

192.119.120.146:443

54.37.131.10:443

146.70.139.252:443

rc4.plain

Signatures

BumbleBee
BumbleBee is a loader malware written in C++.
loader bumblebee
Bumblebee family
bumblebee

Blocklisted process makes network request 29 IoCs

flow	pid	Process
40	4748	rundll32.exe
52	4748	rundll32.exe
56	4748	rundll32.exe
62	4748	rundll32.exe
66	4748	rundll32.exe
70	4748	rundll32.exe
76	4748	rundll32.exe
77	4748	rundll32.exe
79	4748	rundll32.exe
81	4748	rundll32.exe
82	4748	rundll32.exe
84	4748	rundll32.exe
86	4748	rundll32.exe
87	4748	rundll32.exe
92	4748	rundll32.exe
97	4748	rundll32.exe
100	4748	rundll32.exe
103	4748	rundll32.exe
104	4748	rundll32.exe
106	4748	rundll32.exe
110	4748	rundll32.exe
114	4748	rundll32.exe
117	4748	rundll32.exe
119	4748	rundll32.exe
120	4748	rundll32.exe
122	4748	rundll32.exe
124	4748	rundll32.exe
125	4748	rundll32.exe
126	4748	rundll32.exe

Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

pid	Process
4748	rundll32.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4032 wrote to memory of 4748	4032	cmd.exe	85
PID 4032 wrote to memory of 4748	4032	cmd.exe	85

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\DKyVKmgVSvviRl.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:4032
- C:\Windows\system32\rundll32.exe
  rundll32 aMLjTIhBvevLGx.dll,SendData
  2⤵
  - Blocklisted process makes network request
  - Suspicious use of NtCreateThreadExHideFromDebugger
  PID:4748

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/4748-0-0x000002482D110000-0x000002482D186000-memory.dmp

Filesize
472KB

Download
memory/4748-1-0x00007FFDAB82D000-0x00007FFDAB82E000-memory.dmp

Filesize
4KB

Download
memory/4748-2-0x000002482D2D0000-0x000002482D419000-memory.dmp

Filesize
1.3MB

Download
memory/4748-4-0x00007FFDAB790000-0x00007FFDAB985000-memory.dmp

Filesize
2.0MB

Download
memory/4748-3-0x00007FFDAB790000-0x00007FFDAB985000-memory.dmp

Filesize
2.0MB

Download
memory/4748-5-0x00007FFDAB790000-0x00007FFDAB985000-memory.dmp

Filesize
2.0MB

Download
memory/4748-6-0x000002482D2D0000-0x000002482D419000-memory.dmp

Filesize
1.3MB

Download
memory/4748-7-0x000002482D110000-0x000002482D186000-memory.dmp

Filesize
472KB

Download
memory/4748-8-0x00007FFDAB82D000-0x00007FFDAB82E000-memory.dmp

Filesize
4KB

Download
memory/4748-9-0x00007FFDAB790000-0x00007FFDAB985000-memory.dmp

Filesize
2.0MB

Download
memory/4748-10-0x000002482D2D0000-0x000002482D419000-memory.dmp

Filesize
1.3MB

Download