bumblebee | 1abbd122b009686bc66012aa19b7fca739ee09c131049acb03424c2bcf58b72a

Analysis

max time kernel
144s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
09-11-2022 06:53

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General

Target

project details.lnk
Size

995B
MD5

602cd18f1efe7bb632476465912c9b1c
SHA1

a2f5f20df297f37fc2bb90156db971a3092b3427
SHA256

6fb4c22af244bdf6cb2bb520086dd48c01ba547f11b57ffd6c7f6c9aa09af639
SHA512

6810bcc2503ef14e42ce6997463375d7c92431774dc0afc22a2e7c5bfb7e1bdb7facaf1b91549c108fc10a4ae7623aa5c0178aad291d70cc30a76f6e495d59d4

Score

10^/10

bumblebee 0811 trojan

Malware Config

Extracted

Family

bumblebee

Botnet

0811

104.219.233.127:443

192.236.194.101:443

146.70.161.82:443

rc4.plain

Signatures

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

Blocklisted process makes network request 6 IoCs

flow	pid	Process
35	392	rundll32.exe
36	392	rundll32.exe
39	392	rundll32.exe
43	392	rundll32.exe
45	392	rundll32.exe
46	392	rundll32.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	cmd.exe

Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

pid	Process
392	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 4 IoCs

description	pid	Process	procid_target
PID 5004 wrote to memory of 4936	5004	cmd.exe	80
PID 5004 wrote to memory of 4936	5004	cmd.exe	80
PID 4936 wrote to memory of 392	4936	cmd.exe	81
PID 4936 wrote to memory of 392	4936	cmd.exe	81

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\project details.lnk"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:5004
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c XAnbADuUedJlBE.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4936
- - C:\Windows\system32\rundll32.exe
    rundll32 uDzpJZuAIMIPqQ.dll,PUpdate
    3⤵
    - Blocklisted process makes network request
    - Suspicious use of NtCreateThreadExHideFromDebugger
    PID:392

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/392-134-0x0000025309230000-0x0000025309379000-memory.dmp

Filesize
1.3MB

Download
memory/392-135-0x0000025308FF0000-0x0000025309066000-memory.dmp

Filesize
472KB

Download