bumblebee | 44ed83c8c4c46d8311989ee46ee8cf044c709cccf89580b1758b21091fc44193

Analysis

max time kernel
129s
max time network
143s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
15-11-2022 02:50

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

malicious/project details.lnk
Size

995B
MD5

ec8f76a02f7125a76f3c0413d95a0bda
SHA1

56a33acc112261c0c4a4f0e1d730688e08a13464
SHA256

d2f0c9e1c6763b2c92f934df6870e69df0143f5d9fa55a0a042e1cde13b888ff
SHA512

96374f8aef55f43095b4b614abb9066e922e0cbdacad00732ee0a20a1e4cbc30876831a6b2c7dbe83216680c2313b5952f55f232b4b675522a289d36b086f549

Score

10^/10

bumblebee 1411 trojan

Malware Config

Extracted

Family

bumblebee

Botnet

1411

107.189.13.247:443

64.44.102.241:443

54.37.130.24:443

rc4.plain

Signatures

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

Blocklisted process makes network request 5 IoCs

flow	pid	Process
1	288	rundll32.exe
3	288	rundll32.exe
4	288	rundll32.exe
5	288	rundll32.exe
6	288	rundll32.exe

Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

pid	Process
288	rundll32.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1132 wrote to memory of 832	1132	cmd.exe	29
PID 1132 wrote to memory of 832	1132	cmd.exe	29
PID 1132 wrote to memory of 832	1132	cmd.exe	29
PID 832 wrote to memory of 288	832	cmd.exe	30
PID 832 wrote to memory of 288	832	cmd.exe	30
PID 832 wrote to memory of 288	832	cmd.exe	30

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\malicious\project details.lnk"
1⤵
- Suspicious use of WriteProcessMemory
PID:1132
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c HUeLjsrbrChRXV.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:832
- - C:\Windows\system32\rundll32.exe
    rundll32 eXrZsNsGUlguMh.dll,LoadNode
    3⤵
    - Blocklisted process makes network request
    - Suspicious use of NtCreateThreadExHideFromDebugger
    PID:288

Network

MITRE ATT&CK Enterprise v6

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

Loading Replay Monitor...

Downloads

memory/288-93-0x0000000001F20000-0x0000000002069000-memory.dmp

Filesize
1.3MB

Download
memory/288-94-0x0000000001D60000-0x0000000001DD8000-memory.dmp

Filesize
480KB

Download
memory/1132-54-0x000007FEFBC41000-0x000007FEFBC43000-memory.dmp

Filesize
8KB

Download