bumblebee | 6bd244fcf3711f5cba246dc3e3a2ca14855c849856a03cb700cb49fe85663de7

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
13/02/2023, 16:32

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General

Target

project information.lnk
Size

975B
MD5

662e0554d91f79fa97a53e224ac8a5bd
SHA1

44b14afd5c0a849d3553e4636e0a5125abc8087d
SHA256

5a32e8b0b07cc41971fc057bffa79ce0760d110d3c72e018af0c645a698cec6e
SHA512

d062b646289d056cf858477b09456868a5b9f7a61788efd3f40473c64a9ff942e06f8b5581b2d295de803d3fea42ef6a86fad1a8c8e63243d8fd7380bffd0c78

Score

10^/10

bumblebee 132lg trojan

Malware Config

Extracted

Family

bumblebee

Botnet

132lg

205.185.113.34:443

103.144.139.146:443

23.106.223.222:443

95.168.191.248:443

23.106.223.182:443

146.70.29.237:443

rc4.plain

Signatures

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

Checks computer location settings 2 TTPs 2 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-1-5-21-2971393436-602173351-1645505021-1000\Control Panel\International\Geo\Nation	cmd.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Control Panel\International\Geo\Nation	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2272	p4VvpBZGbyg.exe

Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

pid	Process
2272	p4VvpBZGbyg.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 8 IoCs

description	pid	Process	procid_target
PID 4156 wrote to memory of 2380	4156	cmd.exe	83
PID 4156 wrote to memory of 2380	4156	cmd.exe	83
PID 2380 wrote to memory of 4560	2380	cmd.exe	84
PID 2380 wrote to memory of 4560	2380	cmd.exe	84
PID 4560 wrote to memory of 2092	4560	cmd.exe	85
PID 4560 wrote to memory of 2092	4560	cmd.exe	85
PID 2380 wrote to memory of 2272	2380	cmd.exe	86
PID 2380 wrote to memory of 2272	2380	cmd.exe	86

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\project information.lnk"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4156
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c lang.bat
  2⤵
  - Checks computer location settings
  - Suspicious use of WriteProcessMemory
  PID:2380
- - C:\Windows\system32\cmd.exe
    cmd.exe /c start /b /min copy /Y C:\Windows\System32\rundll32.exe C:\ProgramData\p4VvpBZGbyg.exe
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4560
  - - C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /K copy /Y C:\Windows\System32\rundll32.exe C:\ProgramData\p4VvpBZGbyg.exe
      4⤵
      PID:2092
- - C:\ProgramData\p4VvpBZGbyg.exe
    "C:\ProgramData\p4VvpBZGbyg.exe" amateur.dll,Condensed
    3⤵
    - Executes dropped EXE
    - Suspicious use of NtCreateThreadExHideFromDebugger
    PID:2272

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:\ProgramData\p4VvpBZGbyg.exe

Filesize
70KB

MD5
ef3179d498793bf4234f708d3be28633

SHA1
dd399ae46303343f9f0da189aee11c67bd868222

SHA256
b53f3c0cd32d7f20849850768da6431e5f876b7bfa61db0aa0700b02873393fa

SHA512
02aff154762d7e53e37754f878ce6aa3f4df5a1eb167e27f13d9762dced32bec892bfa3f3314e3c6dce5998f7d3c400d7d0314b9326eedcab72207c60b3d332e

Download Submit
C:\ProgramData\p4VvpBZGbyg.exe

Filesize
70KB

MD5
ef3179d498793bf4234f708d3be28633

SHA1
dd399ae46303343f9f0da189aee11c67bd868222

SHA256
b53f3c0cd32d7f20849850768da6431e5f876b7bfa61db0aa0700b02873393fa

SHA512
02aff154762d7e53e37754f878ce6aa3f4df5a1eb167e27f13d9762dced32bec892bfa3f3314e3c6dce5998f7d3c400d7d0314b9326eedcab72207c60b3d332e

Download Submit
memory/2272-138-0x0000013B05C10000-0x0000013B05D71000-memory.dmp

Filesize
1.4MB

Download
memory/2272-139-0x0000013B040C0000-0x0000013B0413F000-memory.dmp

Filesize
508KB

Download