bumblebee | c80de52d42e21278610b0516bfcf4ebda136a5696af3f60a5e5782911e4276d0

Analysis

max time kernel
142s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
14-11-2022 17:17

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General

Target

TA580_20221114.zip/project details.lnk
Size

995B
MD5

36c88fc4dad628187c082ebd899d448e
SHA1

6e27840f65ed3cc3c2b7af6778219e8681e3ec7a
SHA256

e420fc11b53ca2553521adf57668118b494cee687f54f64e79a5558f7a34c30f
SHA512

7709b7f348b56889a579da6b4efcc52d73372f3bcc4e0a93c721f6fb76540fc26f2f4aabad36385d291ef804e95efff9dc20bd7bc4e468117cfa29dd47ace6b5

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 6 IoCs

flow	pid	Process
43	2232	rundll32.exe
49	2232	rundll32.exe
63	2232	rundll32.exe
74	2232	rundll32.exe
79	2232	rundll32.exe
82	2232	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-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	cmd.exe

Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

pid	Process
2232	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 4964 wrote to memory of 456	4964	cmd.exe	81
PID 4964 wrote to memory of 456	4964	cmd.exe	81
PID 456 wrote to memory of 2232	456	cmd.exe	82
PID 456 wrote to memory of 2232	456	cmd.exe	82

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\TA580_20221114.zip\project details.lnk"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4964
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c DDmEtxgXtOVOLY.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:456
- - C:\Windows\system32\rundll32.exe
    rundll32 aGySCShDWxUsAj.dll,LoadNode
    3⤵
    - Blocklisted process makes network request
    - Suspicious use of NtCreateThreadExHideFromDebugger
    PID:2232

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

Replay Monitor

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Downloads

memory/2232-134-0x00000252FFBA0000-0x00000252FFCE9000-memory.dmp

Filesize
1.3MB

Download
memory/2232-135-0x00000252FE060000-0x00000252FE0D8000-memory.dmp

Filesize
480KB

Download