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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3c99bb2dc75c193c24c6fa8d0af5f9d0bc506c7ed157ee8dd2ad1063da2d68ec. 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


EchoBot


Vendor detections: 7


Intelligence 7 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3c99bb2dc75c193c24c6fa8d0af5f9d0bc506c7ed157ee8dd2ad1063da2d68ec
SHA3-384 hash: 65acac195a1c273a777c5ed1255bf2c81ae0d806066e20d2958332922f45ca41aedd745b339d23747cad9ccada687cda
SHA1 hash: 96998786db76278a1c03ec20adfba40ef49ac109
MD5 hash: f795ea5790ab963d1444c5b77e5d1952
humanhash: mississippi-fifteen-bulldog-magazine
File name:android-x86_64
Download: download sample
Signature EchoBot
Create hunting rule
File size:926'064 bytes
First seen:2026-11-08 07:52:03 UTC
Last seen:2026-11-08 08:25:08 UTC
File type: elf
MIME type:application/x-sharedlib
ssdeep 24576:w0zXWzFzCVAEbZwF2JlZS5Wdj3n+kS1FJr7q1nTR:w0zy8Tbg5Mjn+kS1FJr7q1n1
TLSH T1FB158D13F66060ACD99AC474839F9173A661B86D03153DE72FC4EB203E69DE1AB3D742
telfhash t1ac1188099a3d1be9ede36c60dc152ba28047c72e66118b08ff25cdd4ad6e444f214e9e
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Magika elf
Reporter abuse_ch
Tags:Echobot elf

Intelligence

File Origin
# of uploads :
2
# of downloads :
68
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.29052.TSource.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
File Type:
elf.64.le
Link:
https://opentip.kaspersky.com/3c99bb2dc75c193c24c6fa8d0af5f9d0bc506c7ed157ee8dd2ad1063da2d68ec/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/7bf8bf18-084f-431a-876e-8288996873d3
Behavior Graph:
Download SVG
%3
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/3b1923c5-5171-48d0-bbfd-21ce03d0e1ca
Result
Threat name:
Echo Bot
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/2000750
Signature
Antivirus / Scanner detection for submitted sample
Yara detected Echo Bot
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3c99bb2dc75c193c24c6fa8d0af5f9d0bc506c7ed157ee8dd2ad1063da2d68ec/
Threat name:
Linux.Exploit.CVE-2021-36260
Create hunting rule
Status:
Malicious
First seen:
2026-11-08 08:24:22 UTC
File Type:
ELF64 Little (SO)
AV detection:
5 of 24 (20.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hsm3wlohlqmtyjgg7kgqv5pz2c6fa3d62fl65dosvuighwrnndwa._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/261108-jqf77say51/
Malware Family:
expl
Create hunting rule
Malicious:
True
Tags:
cve-2018-10561 exploit cve-2021-36260 elf shared-lib 64bits
Link:
https://intel.virussign.com/intelligence/file/3c99bb2dc75c193c24c6fa8d0af5f9d0bc506c7ed157ee8dd2ad1063da2d68ec
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.30
Link:
https://yomi.yoroi.company/submissions/3c99bb2dc75c193c24c6fa8d0af5f9d0bc506c7ed157ee8dd2ad1063da2d68ec

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:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:ELF_Packer_Dropper_Fileless_Armhf
Create hunting rule
Author:Serhii Kocherhan
Description:Detects obfuscated Linux ELF packers/droppers featuring ChaCha20/RC4 decryption, memfd_create/execveat fileless execution capabilities, and unique binary artifacts.
Rule name:exploit_any_poppopret
Create hunting rule
Author:Jeff White [karttoon@gmail.com] @noottrak
Description:Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.
Rule name:ldpreload
Create hunting rule
Author:xorseed
Reference:https://stuff.rop.io/
Rule name:ProgramLanguage_Rust
Create hunting rule
Author:albertzsigovits
Description:Application written in Rust programming language
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:unixredflags3
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags

File information

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

Web download

EchoBot

elf 3c99bb2dc75c193c24c6fa8d0af5f9d0bc506c7ed157ee8dd2ad1063da2d68ec

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/4059922/

Comments