bumblebee | bcd9b7d4ca83e96704e00e378728db06291e8e2b50d68db22efd1f8974d1ca91

Resubmissions

27-07-2023 09:18

230727-k9sk1sdf84 8

21-05-2023 20:03

230521-ysnsdsfa6y 10

Analysis

max time kernel
130s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
21-05-2023 20:03

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General

Target

Inv(05-19)Copy#19-48-01.js
Size

772KB
MD5

c56f106025e1853958f0745516c0b88f
SHA1

f3506be345eafb653e2c2c18410b8c4f5d1a2c26
SHA256

bcd9b7d4ca83e96704e00e378728db06291e8e2b50d68db22efd1f8974d1ca91
SHA512

facf6c8c5690209c1c905f96da1f6ef1ad8b86ab752e8714e73ae48781ff8bfec17813816862fe5d75a96d7c316c083d46e27accf4685e060c6555e882e24278
SSDEEP

24576:93vle/E45Mk2h1K3G9EhRe4jEER9Fwf8TxzM34LM9gkIy9ByxZO9TLd8wDNGOi5t:plZ45Mk2h1aG9EhRe4jEy9Fwf8TxzM3s

Score

10^/10

bumblebee mc1905 trojan

Malware Config

Extracted

Family

bumblebee

Botnet

mc1905

92.119.178.40:443

32.54.188.44:443

194.135.33.160:443

192.198.82.59:443

103.175.16.151:443

rc4.plain

Signatures

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

Blocklisted process makes network request 9 IoCs

flow	pid	Process
12	5024	wscript.exe
15	5024	wscript.exe
22	5024	wscript.exe
25	1804	rundll32.exe
38	1804	rundll32.exe
53	1804	rundll32.exe
55	1804	rundll32.exe
56	1804	rundll32.exe
57	1804	rundll32.exe

Downloads MZ/PE file

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-1-5-21-1675742406-747946869-1029867430-1000\Control Panel\International\Geo\Nation	wscript.exe

Loads dropped DLL 2 IoCs

pid	Process
1804	rundll32.exe
3340	rundll32.exe

Suspicious use of NtCreateThreadExHideFromDebugger 2 IoCs

pid	Process
1804	rundll32.exe
3340	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 4 IoCs

description	pid	Process	procid_target
PID 5024 wrote to memory of 1804	5024	wscript.exe	83
PID 5024 wrote to memory of 1804	5024	wscript.exe	83
PID 5024 wrote to memory of 3340	5024	wscript.exe	86
PID 5024 wrote to memory of 3340	5024	wscript.exe	86

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\Inv(05-19)Copy#19-48-01.js
1⤵
- Blocklisted process makes network request
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:5024
- C:\Windows\System32\rundll32.exe
  "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\970395.dat,eOXScagadNKe
  2⤵
  - Blocklisted process makes network request
  - Loads dropped DLL
  - Suspicious use of NtCreateThreadExHideFromDebugger
  PID:1804
- C:\Windows\System32\rundll32.exe
  "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\58647.dat,eOXScagadNKe
  2⤵
  - Loads dropped DLL
  - Suspicious use of NtCreateThreadExHideFromDebugger
  PID:3340

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

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\58647.dat

Filesize
1.2MB

MD5
4f56eb0fb2ef73476a8f4e7a191edf17

SHA1
9a61b80dd5fb583065fd569480f0e142e2a533b5

SHA256
2d11e7cf72af4e1dab2c978d527d7a2c162cbc2e9cc32268479ec5b2ae8e08a2

SHA512
196ac74e84f6a662c53dd96542c19d06b825748fbfdae150d267c055bdaf77327d62ca8e82c1189acb41907ab02073ac34ebb1d5f26ed8a7719dfe1d0c8160d5

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\58647.dat

Filesize
1.2MB

MD5
4f56eb0fb2ef73476a8f4e7a191edf17

SHA1
9a61b80dd5fb583065fd569480f0e142e2a533b5

SHA256
2d11e7cf72af4e1dab2c978d527d7a2c162cbc2e9cc32268479ec5b2ae8e08a2

SHA512
196ac74e84f6a662c53dd96542c19d06b825748fbfdae150d267c055bdaf77327d62ca8e82c1189acb41907ab02073ac34ebb1d5f26ed8a7719dfe1d0c8160d5

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\970395.dat

Filesize
1.2MB

MD5
3f52236ae776bccf4ed9bdb490ba821d

SHA1
b5f09f5eb857c7f4563f0e9e11dd68d53885fccc

SHA256
5fd1881863f9e1a14a6832df32f2fb5f116b4c420dfdee6545112a647738aa47

SHA512
c482cc1fc2e586da4d4e957cb2fdc076055df6d5d1b077ef2f081e6c9e77694e410634f9d13d7c6a6eb2c9ab214466b2f74e1003e27167780306311a68928272

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\970395.dat

Filesize
1.2MB

MD5
3f52236ae776bccf4ed9bdb490ba821d

SHA1
b5f09f5eb857c7f4563f0e9e11dd68d53885fccc

SHA256
5fd1881863f9e1a14a6832df32f2fb5f116b4c420dfdee6545112a647738aa47

SHA512
c482cc1fc2e586da4d4e957cb2fdc076055df6d5d1b077ef2f081e6c9e77694e410634f9d13d7c6a6eb2c9ab214466b2f74e1003e27167780306311a68928272

Download Submit
memory/1804-148-0x0000019E3F070000-0x0000019E3F1D1000-memory.dmp

Filesize
1.4MB

Download
memory/1804-149-0x0000019E3F070000-0x0000019E3F1D1000-memory.dmp

Filesize
1.4MB

Download
memory/1804-150-0x0000019E3EE90000-0x0000019E3EF0F000-memory.dmp

Filesize
508KB

Download
memory/1804-151-0x0000019E3F070000-0x0000019E3F1D1000-memory.dmp

Filesize
1.4MB

Download
memory/3340-152-0x000001EEBF800000-0x000001EEBF961000-memory.dmp

Filesize
1.4MB

Download
memory/3340-153-0x000001EEBDD40000-0x000001EEBDDBF000-memory.dmp

Filesize
508KB

Download