bumblebee | dbe4bfcec54587629aff611def62a726d0faae2ac3d1603b10b2bb477eb358e3

Resubmissions

02-12-2024 11:16

241202-ndkr3sxpdq 10

29-11-2024 12:55

241129-p5775awnhv 10

Analysis

max time kernel
555s
max time network
565s
platform
windows7_x64
resource
win7-20240903-en
submitted
02-12-2024 11:16

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Report Analysis Logs

General

Target

details.lnk

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
2	2568	rundll32.exe
5	2568	rundll32.exe
8	2568	rundll32.exe
11	2568	rundll32.exe
12	2568	rundll32.exe
17	2568	rundll32.exe
20	2568	rundll32.exe
23	2568	rundll32.exe
24	2568	rundll32.exe
27	2568	rundll32.exe
32	2568	rundll32.exe
35	2568	rundll32.exe
38	2568	rundll32.exe
39	2568	rundll32.exe
40	2568	rundll32.exe
43	2568	rundll32.exe
48	2568	rundll32.exe
51	2568	rundll32.exe
52	2568	rundll32.exe
55	2568	rundll32.exe
60	2568	rundll32.exe
63	2568	rundll32.exe
66	2568	rundll32.exe
67	2568	rundll32.exe
70	2568	rundll32.exe
75	2568	rundll32.exe
78	2568	rundll32.exe
79	2568	rundll32.exe
80	2568	rundll32.exe

Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

pid	Process
2568	rundll32.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2748 wrote to memory of 2784	2748	cmd.exe	31
PID 2748 wrote to memory of 2784	2748	cmd.exe	31
PID 2748 wrote to memory of 2784	2748	cmd.exe	31
PID 2784 wrote to memory of 2568	2784	cmd.exe	32
PID 2784 wrote to memory of 2568	2784	cmd.exe	32
PID 2784 wrote to memory of 2568	2784	cmd.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\details.lnk
1⤵
- Suspicious use of WriteProcessMemory
PID:2748
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c DKyVKmgVSvviRl.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2784
- - C:\Windows\system32\rundll32.exe
    rundll32 aMLjTIhBvevLGx.dll,SendData
    3⤵
    - Blocklisted process makes network request
    - Suspicious use of NtCreateThreadExHideFromDebugger
    PID:2568

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2568-36-0x00000000002D0000-0x0000000000346000-memory.dmp

Filesize
472KB

Download
memory/2568-37-0x00000000775C1000-0x00000000775C2000-memory.dmp

Filesize
4KB

Download
memory/2568-38-0x0000000002170000-0x00000000022B9000-memory.dmp

Filesize
1.3MB

Download
memory/2568-39-0x0000000077570000-0x0000000077719000-memory.dmp

Filesize
1.7MB

Download
memory/2568-41-0x0000000077570000-0x0000000077719000-memory.dmp

Filesize
1.7MB

Download
memory/2568-40-0x0000000077570000-0x0000000077719000-memory.dmp

Filesize
1.7MB

Download
memory/2568-42-0x0000000002170000-0x00000000022B9000-memory.dmp

Filesize
1.3MB

Download
memory/2568-43-0x00000000002D0000-0x0000000000346000-memory.dmp

Filesize
472KB

Download
memory/2568-44-0x0000000077570000-0x0000000077719000-memory.dmp

Filesize
1.7MB

Download
memory/2568-45-0x0000000002170000-0x00000000022B9000-memory.dmp

Filesize
1.3MB

Download