bumblebee | 204888f940e1bfe5ef634403a096f4de5ef88b154f037539f5de7274d7f3349d

Analysis

max time kernel
133s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
13/02/2023, 18:55

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General

Target

samsung.bat
Size

1KB
MD5

d9c85f2b71f3845c6eccfc9cf0d61f5f
SHA1

87e33805b660677abf211a026d6571929007cd45
SHA256

a897ba334569f2bf0fcf2741cd644d5975221f009228243b140013a6bd6a2776
SHA512

1ed3bebdfc33c68253d63a3290fb76c681f928c902c476e749a00cbece97aa66d8b615fce8c0ef5905c13ea71aa5049c70c076680f89e5d93e53437e69f17fd6

Score

10^/10

bumblebee 102lg trojan

Malware Config

Extracted

Family

bumblebee

Botnet

102lg

146.70.29.237:443

205.185.113.34:443

23.106.223.182:443

103.144.139.146:443

rc4.plain

Signatures

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

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

Executes dropped EXE 1 IoCs

pid	Process
3068	G84IrBV5PP.exe

Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

pid	Process
3068	G84IrBV5PP.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 3444 wrote to memory of 2920	3444	cmd.exe	81
PID 3444 wrote to memory of 2920	3444	cmd.exe	81
PID 2920 wrote to memory of 4448	2920	cmd.exe	82
PID 2920 wrote to memory of 4448	2920	cmd.exe	82
PID 3444 wrote to memory of 3068	3444	cmd.exe	83
PID 3444 wrote to memory of 3068	3444	cmd.exe	83

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\samsung.bat"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3444
- C:\Windows\system32\cmd.exe
  cmd.exe /c start /b /min copy /Y C:\Windows\System32\rundll32.exe C:\ProgramData\G84IrBV5PP.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2920
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /K copy /Y C:\Windows\System32\rundll32.exe C:\ProgramData\G84IrBV5PP.exe
    3⤵
    PID:4448
- C:\ProgramData\G84IrBV5PP.exe
  "C:\ProgramData\G84IrBV5PP.exe" Photos.dll,stProgNew
  2⤵
  - Executes dropped EXE
  - Suspicious use of NtCreateThreadExHideFromDebugger
  PID:3068

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\G84IrBV5PP.exe

Filesize
70KB

MD5
ef3179d498793bf4234f708d3be28633

SHA1
dd399ae46303343f9f0da189aee11c67bd868222

SHA256
b53f3c0cd32d7f20849850768da6431e5f876b7bfa61db0aa0700b02873393fa

SHA512
02aff154762d7e53e37754f878ce6aa3f4df5a1eb167e27f13d9762dced32bec892bfa3f3314e3c6dce5998f7d3c400d7d0314b9326eedcab72207c60b3d332e

Download Submit
C:\ProgramData\G84IrBV5PP.exe

Filesize
70KB

MD5
ef3179d498793bf4234f708d3be28633

SHA1
dd399ae46303343f9f0da189aee11c67bd868222

SHA256
b53f3c0cd32d7f20849850768da6431e5f876b7bfa61db0aa0700b02873393fa

SHA512
02aff154762d7e53e37754f878ce6aa3f4df5a1eb167e27f13d9762dced32bec892bfa3f3314e3c6dce5998f7d3c400d7d0314b9326eedcab72207c60b3d332e

Download Submit
memory/3068-137-0x000001F256120000-0x000001F256281000-memory.dmp

Filesize
1.4MB

Download
memory/3068-138-0x000001F255EC0000-0x000001F255F3F000-memory.dmp

Filesize
508KB

Download