bumblebee | fbd403eb77a8afdd3c5036235e8afc3256b1da2c5cdc216f319e4fa71f898852

Analysis

max time kernel
151s
max time network
173s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
08-12-2022 19:34

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

conf.bat
Size

3KB
MD5

e3fa7caf070132a2fe880ca6dcfede6a
SHA1

51a5b1e0f82449005c5c4864a6e777a3df39686f
SHA256

0cedb3a30881245f9283181855e0d60e8299bbd0a676b7cc493012b9cda00427
SHA512

c40d2593d5484a08a2885f3cb28e15703707f434ee0f6fe7552329bbb8de7c8a9d7dbd4e0c966b583bfafa2eabe0a9ae3927e353b003f6488a2830885e3b0376

Score

10^/10

bumblebee 0812 trojan

Malware Config

Extracted

Family

bumblebee

Botnet

0812

86.106.87.135:443

51.83.248.182:443

23.82.128.116:443

rc4.plain

Signatures

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

Executes dropped EXE 1 IoCs

pid	Process
2748	DAGLhBmCYpVOD.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-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation	cmd.exe

Loads dropped DLL 1 IoCs

pid	Process
2748	DAGLhBmCYpVOD.exe

Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

pid	Process
2748	DAGLhBmCYpVOD.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
4252	schtasks.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
1960	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1960	taskkill.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1304 wrote to memory of 1852	1304	cmd.exe	85
PID 1304 wrote to memory of 1852	1304	cmd.exe	85
PID 1304 wrote to memory of 1948	1304	cmd.exe	86
PID 1304 wrote to memory of 1948	1304	cmd.exe	86
PID 1304 wrote to memory of 2748	1304	cmd.exe	87
PID 1304 wrote to memory of 2748	1304	cmd.exe	87
PID 1304 wrote to memory of 4252	1304	cmd.exe	89
PID 1304 wrote to memory of 4252	1304	cmd.exe	89
PID 1304 wrote to memory of 1960	1304	cmd.exe	90
PID 1304 wrote to memory of 1960	1304	cmd.exe	90

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\conf.bat"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1304
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /K copy /y /b C:\Windows\System32\rundll32.exe C:\ProgramData\DAGLhBmCYpVOD.exe
  2⤵
  PID:1852
- C:\Windows\system32\xcopy.exe
  xcopy /h /y tutorials.dll C:\ProgramData
  2⤵
  PID:1948
- C:\ProgramData\DAGLhBmCYpVOD.exe
  "C:\ProgramData\DAGLhBmCYpVOD.exe" C:\ProgramData\tutorials.dll,InitMainPath
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of NtCreateThreadExHideFromDebugger
  PID:2748
- C:\Windows\system32\schtasks.exe
  SCHTASKS /create /tn "NetworkStat" /f /tr "cmd.exe /c C:\programdata\DAGLhBmCYpVOD.exe C:\programdata\tutorials.dll,InitMainPath" /sc hourly /mo 1 /sd 01/01/2022 /st 00:00
  2⤵
  - Creates scheduled task(s)
  PID:4252
- C:\Windows\system32\taskkill.exe
  taskkill /F /im cmd.exe
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:1960

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\ProgramData\DAGLhBmCYpVOD.exe

Filesize
70KB

MD5
ef3179d498793bf4234f708d3be28633

SHA1
dd399ae46303343f9f0da189aee11c67bd868222

SHA256
b53f3c0cd32d7f20849850768da6431e5f876b7bfa61db0aa0700b02873393fa

SHA512
02aff154762d7e53e37754f878ce6aa3f4df5a1eb167e27f13d9762dced32bec892bfa3f3314e3c6dce5998f7d3c400d7d0314b9326eedcab72207c60b3d332e

Download Submit
C:\ProgramData\DAGLhBmCYpVOD.exe

Filesize
70KB

MD5
ef3179d498793bf4234f708d3be28633

SHA1
dd399ae46303343f9f0da189aee11c67bd868222

SHA256
b53f3c0cd32d7f20849850768da6431e5f876b7bfa61db0aa0700b02873393fa

SHA512
02aff154762d7e53e37754f878ce6aa3f4df5a1eb167e27f13d9762dced32bec892bfa3f3314e3c6dce5998f7d3c400d7d0314b9326eedcab72207c60b3d332e

Download Submit
C:\ProgramData\tutorials.dll

Filesize
1.5MB

MD5
955124cf3130441f0b93fa0c87c02137

SHA1
0acd91c4631f7643d0ad242665d1d7baadabab5f

SHA256
35afd5a5aadaab873a895fccf8bfaef61a68c1f364dc99f309f3c3b8c718d65d

SHA512
f6dce4ebb9e98f9bc68a29551575c4d0357d2322f0f1d35715317e6a6794d2ebdc8cd707b70d1e7f35c7ca2110aa3ed9aabacf7d0404a73ef54bafb108a871dd

Download Submit
C:\ProgramData\tutorials.dll

Filesize
1.5MB

MD5
955124cf3130441f0b93fa0c87c02137

SHA1
0acd91c4631f7643d0ad242665d1d7baadabab5f

SHA256
35afd5a5aadaab873a895fccf8bfaef61a68c1f364dc99f309f3c3b8c718d65d

SHA512
f6dce4ebb9e98f9bc68a29551575c4d0357d2322f0f1d35715317e6a6794d2ebdc8cd707b70d1e7f35c7ca2110aa3ed9aabacf7d0404a73ef54bafb108a871dd

Download Submit
memory/2748-141-0x000001D044D70000-0x000001D044EB9000-memory.dmp

Filesize
1.3MB

Download
memory/2748-142-0x000001D043110000-0x000001D043185000-memory.dmp

Filesize
468KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads