bumblebee | 5d2301553fff23a5727f55efadd8a28905f1ca8cc9ec8aa7a4b2f06ab66d0093

Analysis

max time kernel
139s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
23-05-2023 01:53

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General

Target

bcd9b7d4ca83e96704e00e378728db06291e8e2b50d68db22efd1f8974d1ca91.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 8 IoCs

flow	pid	Process
9	4452	wscript.exe
11	4452	wscript.exe
22	2464	rundll32.exe
34	2464	rundll32.exe
50	2464	rundll32.exe
55	2464	rundll32.exe
58	2464	rundll32.exe
60	2464	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-1-5-21-1529757233-3489015626-3409890339-1000\Control Panel\International\Geo\Nation	wscript.exe

Loads dropped DLL 1 IoCs

pid	Process
2464	rundll32.exe

Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

pid	Process
2464	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 2 IoCs

description	pid	Process	procid_target
PID 4452 wrote to memory of 2464	4452	wscript.exe	84
PID 4452 wrote to memory of 2464	4452	wscript.exe	84

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\bcd9b7d4ca83e96704e00e378728db06291e8e2b50d68db22efd1f8974d1ca91.js
1⤵
- Blocklisted process makes network request
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4452
- C:\Windows\System32\rundll32.exe
  "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\388039.dat,eOXScagadNKe
  2⤵
  - Blocklisted process makes network request
  - Loads dropped DLL
  - Suspicious use of NtCreateThreadExHideFromDebugger
  PID:2464

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\388039.dat

Filesize
1.2MB

MD5
c119f5b55f9feea33734860b4d730b20

SHA1
3e9c37f3b38def30f084eb578ea70918236734b6

SHA256
01f7413bc8ea94fb852b8cd6d2c4ea2708d61518bf35a8301a85947dbbe4c0d7

SHA512
e0d52843d499181072579aa644c5246846f8af48d780e589231e4ebaba3f04e76587a3fc2153501417f034703e53a4d2eef9ceffda7c76e3f801cacf4bd5f990

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\388039.dat

Filesize
1.2MB

MD5
c119f5b55f9feea33734860b4d730b20

SHA1
3e9c37f3b38def30f084eb578ea70918236734b6

SHA256
01f7413bc8ea94fb852b8cd6d2c4ea2708d61518bf35a8301a85947dbbe4c0d7

SHA512
e0d52843d499181072579aa644c5246846f8af48d780e589231e4ebaba3f04e76587a3fc2153501417f034703e53a4d2eef9ceffda7c76e3f801cacf4bd5f990

Download Submit
memory/2464-144-0x00000240ADEF0000-0x00000240AE051000-memory.dmp

Filesize
1.4MB

Download
memory/2464-145-0x00000240ADEF0000-0x00000240AE051000-memory.dmp

Filesize
1.4MB

Download
memory/2464-146-0x00000240ADEF0000-0x00000240AE051000-memory.dmp

Filesize
1.4MB

Download
memory/2464-147-0x00000240AC410000-0x00000240AC48F000-memory.dmp

Filesize
508KB

Download