bumblebee | 3f3b2636e1e94a03d17afc81fcc51a8cf997de13efdb4100c5b066f544701223

Analysis

max time kernel
144s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
09-12-2022 02:27

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General

Target

0dSnW/Page.bat
Size

2KB
MD5

8d0a03154bbe82f6041790b08baf39c3
SHA1

c0b78b03e2ba9400cad4ec70d3187fd18c3f958f
SHA256

45ef129aa15193c634cc8badd659c7e400282ecc4759713622a965264b130a05
SHA512

ea1387e77db42b1b3e77013ae5b3aacd89f0d3aaba98c16865a7eac0532027e8c2b320b4ccb212e04d4601fbf2db4a396999bda30fde3adb9527eeb87b86dd67

Score

10^/10

bumblebee 0712 trojan

Malware Config

Extracted

Family

bumblebee

Botnet

0712

192.254.79.122:443

139.177.146.25:443

104.219.233.145:443

rc4.plain

Signatures

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

Executes dropped EXE 1 IoCs

pid	Process
4444	aMq7gB3fPYTY.exe

Loads dropped DLL 1 IoCs

pid	Process
4444	aMq7gB3fPYTY.exe

Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

pid	Process
4444	aMq7gB3fPYTY.exe

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
1268	schtasks.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
740	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	740	taskkill.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1424 wrote to memory of 4792	1424	cmd.exe	80
PID 1424 wrote to memory of 4792	1424	cmd.exe	80
PID 1424 wrote to memory of 1436	1424	cmd.exe	81
PID 1424 wrote to memory of 1436	1424	cmd.exe	81
PID 1424 wrote to memory of 4444	1424	cmd.exe	82
PID 1424 wrote to memory of 4444	1424	cmd.exe	82
PID 1424 wrote to memory of 1268	1424	cmd.exe	83
PID 1424 wrote to memory of 1268	1424	cmd.exe	83
PID 1424 wrote to memory of 740	1424	cmd.exe	84
PID 1424 wrote to memory of 740	1424	cmd.exe	84

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\0dSnW\Page.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:1424
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /K copy /y /b C:\Windows\System32\rundll32.exe C:\ProgramData\aMq7gB3fPYTY.exe
  2⤵
  PID:4792
- C:\Windows\system32\xcopy.exe
  xcopy /h /y aboutUs.dll C:\ProgramData
  2⤵
  PID:1436
- C:\ProgramData\aMq7gB3fPYTY.exe
  C:\ProgramData\aMq7gB3fPYTY.exe C:\ProgramData\aboutUs.dll,CoReadNode
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of NtCreateThreadExHideFromDebugger
  PID:4444
- C:\Windows\system32\schtasks.exe
  SCHTASKS /create /tn "AppSelect" /f /tr "cmd.exe /c C:\programdata\aMq7gB3fPYTY.exe C:\programdata\aboutUs.dll,CoReadNode" /sc hourly /mo 1 /sd 01/01/2022 /st 00:00
  2⤵
  - Creates scheduled task(s)
  PID:1268
- C:\Windows\system32\taskkill.exe
  taskkill /F /im cmd.exe
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:740

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\aMq7gB3fPYTY.exe

Filesize
70KB

MD5
ef3179d498793bf4234f708d3be28633

SHA1
dd399ae46303343f9f0da189aee11c67bd868222

SHA256
b53f3c0cd32d7f20849850768da6431e5f876b7bfa61db0aa0700b02873393fa

SHA512
02aff154762d7e53e37754f878ce6aa3f4df5a1eb167e27f13d9762dced32bec892bfa3f3314e3c6dce5998f7d3c400d7d0314b9326eedcab72207c60b3d332e

Download Submit
C:\ProgramData\aboutUs.dll

Filesize
1.5MB

MD5
829e1ae91a3362f708f6e9a9222279ed

SHA1
ae505fd299c6c75660f88c8710b00f1ab8d42766

SHA256
f70cbdde53a4bacee3410caf7666f303e6958f8d1d0fb678afbfa1093e38b4cb

SHA512
030226487b6d3ae2c53ff9729be731f692c798208e25024ea914cee14e9bfcc2edc94b31a54e355fcef93d6ee5d8c5a260b3621170a6b3b09f6553984eaf1299

Download Submit
C:\ProgramData\aboutUs.dll

Filesize
1.5MB

MD5
829e1ae91a3362f708f6e9a9222279ed

SHA1
ae505fd299c6c75660f88c8710b00f1ab8d42766

SHA256
f70cbdde53a4bacee3410caf7666f303e6958f8d1d0fb678afbfa1093e38b4cb

SHA512
030226487b6d3ae2c53ff9729be731f692c798208e25024ea914cee14e9bfcc2edc94b31a54e355fcef93d6ee5d8c5a260b3621170a6b3b09f6553984eaf1299

Download Submit
memory/4444-140-0x00000229FDD20000-0x00000229FDE69000-memory.dmp

Filesize
1.3MB

Download
memory/4444-141-0x00000229FC270000-0x00000229FC2E5000-memory.dmp

Filesize
468KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads