bumblebee | e107a5182ba2130a4f46d2825e5acf8f6e847c9beef055eead5baafbf86731f0

Analysis

max time kernel
132s
max time network
145s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
14/11/2022, 18:06

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General

Target

project details.lnk
Size

995B
MD5

df5a41f7e317853827d382e4571d0080
SHA1

567a29d53d0ec6cdceef71ce3ae5b5c422a00035
SHA256

608900fe841dcedc2dceae20834ed1d492fd0e7625be681c0f608cafe830bd1b
SHA512

b827a09d0b26478b9c8219440e9492e02b618ee9685c2afd7895aed6fb0cc042287264581e1432577e48e7a01b33c97d77b8948aeef62b79d20e0785c8c4ca2b

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
2	1232	rundll32.exe
3	1232	rundll32.exe
4	1232	rundll32.exe
5	1232	rundll32.exe
6	1232	rundll32.exe

Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

pid	Process
1232	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 2044 wrote to memory of 880	2044	cmd.exe	27
PID 2044 wrote to memory of 880	2044	cmd.exe	27
PID 2044 wrote to memory of 880	2044	cmd.exe	27
PID 880 wrote to memory of 1232	880	cmd.exe	28
PID 880 wrote to memory of 1232	880	cmd.exe	28
PID 880 wrote to memory of 1232	880	cmd.exe	28

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\project details.lnk"
1⤵
- Suspicious use of WriteProcessMemory
PID:2044
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c TDGxENRMCBkgkc.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:880
- - C:\Windows\system32\rundll32.exe
    rundll32 pFTLNjSsgkkKZo.dll,LoadNode
    3⤵
    - Blocklisted process makes network request
    - Suspicious use of NtCreateThreadExHideFromDebugger
    PID:1232

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

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Downloads

memory/1232-90-0x0000000002080000-0x00000000021C9000-memory.dmp

Filesize
1.3MB

Download
memory/1232-91-0x00000000003F0000-0x0000000000468000-memory.dmp

Filesize
480KB

Download
memory/2044-54-0x000007FEFC251000-0x000007FEFC253000-memory.dmp

Filesize
8KB

Download