MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 35f2ec59313bbe5b78e4b043f06f8961f6f3e77b870544d15ee7cc1fca987d8c. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



BumbleBee


Vendor detections: 14


Intelligence 14 IOCs YARA 13 File information Comments

SHA256 hash: 35f2ec59313bbe5b78e4b043f06f8961f6f3e77b870544d15ee7cc1fca987d8c
SHA3-384 hash: dab329a371df915391a3153efa1f1a8d9085de5dbf714c648f2049459d1fdc8f4d7f1cf590aabcc9e44701f02d77ac9d
SHA1 hash: 3c85c03088b07bfcbbe969af0cbdde9bd26e69d8
MD5 hash: 1eb4bd24c3d02a38a333eaeee4b9b49d
humanhash: nitrogen-blue-missouri-sixteen
File name:inst1.exe
Download: download sample
Signature BumbleBee
File size:1'636'280 bytes
First seen:2023-04-05 07:32:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 5a83b775f11fca962faec5d7d036c1c6 (2 x BumbleBee)
ssdeep 24576:drYB2BBDhQ0uQn65tmj83OA7IBgXOB6ycon/sl3O6mvV4:dhT+fhavA8BIfyF/st
Threatray 1'079 similar samples on MalwareBazaar
TLSH T1CF751A08EDC16F0FCC21A4BA894798E2B5ABC8497302D75BE798D63775027294FC786D
TrID 45.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
18.3% (.EXE) OS/2 Executable (generic) (2029/13)
18.0% (.EXE) Generic Win/DOS Executable (2002/3)
18.0% (.EXE) DOS Executable Generic (2000/1)
Reporter Rony
Tags:BUMBLEBEE exe signed

Code Signing Certificate

Organisation:FACE AESTHETICS LTD
Issuer:Sectigo Public Code Signing CA R36
Algorithm:sha384WithRSAEncryption
Valid from:2022-07-08T00:00:00Z
Valid to:2023-07-08T23:59:59Z
Serial number: 65cfd8419d70ce4011d97bc79d18315e
Intelligence: 4 malware samples on MalwareBazaar are signed with this code signing certificate
MalwareBazaar Blocklist:This certificate is on the MalwareBazaar code signing certificate blocklist (CSCB)
Thumbprint Algorithm:SHA256
Thumbprint: 7cff10e37a43843e971f02ca6ad6510f08a5209d21745181fc4d003a8287cd1b
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform


Avatar
r0ny_123
Downloaded from http://103.175.16.13/inst1.exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
399
Origin country :
IN IN
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
cfgtbvh.exe
Verdict:
Malicious activity
Analysis date:
2023-04-04 22:22:43 UTC
Tags:
loader smoke trojan

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
bumblebee greyware overlay packed
Result
Verdict:
SUSPICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
BumbleBee
Detection:
malicious
Classification:
troj.evad
Score:
84 / 100
Signature
C2 URLs / IPs found in malware configuration
Contain functionality to detect virtual machines
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Searches for specific processes (likely to inject)
Sets debug register (to hijack the execution of another thread)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected BumbleBee
Behaviour
Behavior Graph:
Threat name:
Win64.Trojan.BumbleBee
Status:
Malicious
First seen:
2023-04-04 18:36:41 UTC
File Type:
PE+ (Exe)
Extracted files:
1
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Result
Malware family:
bumblebee
Score:
  10/10
Tags:
family:bumblebee botnet:inst trojan
Behaviour
Suspicious use of NtCreateThreadExHideFromDebugger
BumbleBee
Malware Config
C2 Extraction:
194.15.216.247:443
23.106.215.141:443
104.168.244.96:443
51.83.255.85:443
192.119.81.86:443
Unpacked files
SH256 hash:
35f2ec59313bbe5b78e4b043f06f8961f6f3e77b870544d15ee7cc1fca987d8c
MD5 hash:
1eb4bd24c3d02a38a333eaeee4b9b49d
SHA1 hash:
3c85c03088b07bfcbbe969af0cbdde9bd26e69d8
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:BumbleBee
Author:enzo & kevoreilly
Description:BumbleBee Payload
Rule name:Bumblebee_mem
Author:James_inthe_box
Description:Bumblebee loader
Reference:7a2ac6664ef13971ce464676012092befde8f14b0013b2f0f3e21c9051cb45a0
Rule name:INDICATOR_SUSPICIOUS_VM_Evasion_MACAddrComb
Author:ditekSHen
Description:Detects executables referencing virtualization MAC addresses
Rule name:INDICATOR_SUSPICIOUS_VM_Evasion_VirtDrvComb
Author:ditekSHen
Description:Detects executables referencing combination of virtualization drivers
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Author:albertzsigovits
Rule name:Suspicious_Macro_Presence
Author:Mehmet Ali Kerimoglu (CYB3RMX)
Description:This rule detects common malicious/suspicious implementations.
Rule name:SUSP_OneNote
Author:spatronn
Description:Hard-Detect One
Rule name:Windows_Trojan_Bumblebee_35f50bea
Author:Elastic Security
Rule name:Windows_Trojan_Bumblebee_70bed4f3
Author:Elastic Security
Rule name:win_bumblebee
Rule name:win_bumblebee_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.bumblebee.

File information


The table below shows additional information about this malware sample such as delivery method and external references.

BumbleBee

Executable exe 35f2ec59313bbe5b78e4b043f06f8961f6f3e77b870544d15ee7cc1fca987d8c

(this sample)

  
Dropping
BumbleBee
  
Delivery method
Distributed via web download

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