MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3b4520a08341a517de8fb678461838760648d3d5187844d0b9b197852006375a. 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


Gafgyt


Vendor detections: 10


Intelligence 10 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3b4520a08341a517de8fb678461838760648d3d5187844d0b9b197852006375a
SHA3-384 hash: b95b8e09cf24827dd64e67ba8528a1568518cf489fb469dedde6b41b6fe4b3ad36c7130b85f6f23af58d37a3bdf5aa2a
SHA1 hash: c66bf12f50433a5e53d389c8e06086ce3f91b836
MD5 hash: f7ec47c175570cf02f6f5f4c62468452
humanhash: missouri-mobile-romeo-fruit
File name:zerx86
Download: download sample
Signature Gafgyt
Create hunting rule
File size:86'672 bytes
First seen:2025-12-15 16:59:42 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:pjSFY17qxfIOer1tGzVy1YOTstu6q+5j5rNx845TbEaYalXng8bYs89eRG+q4qUl:pj2w7qxgOYtrrTsERE9rNx8gTbhng8k0
TLSH T1E28319C5EE53D578D90A0678186693349730DE79102DD34ACF7577E2BB92303BA0EA4E
telfhash t199110ab81e3618d8bbc0bd46b25d56315e2dab772470b6e344f6502133d204257f7d3a
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:elf gafgyt

Intelligence

File Origin
# of uploads :
1
# of downloads :
47
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.30645.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.31075.LX.BOT.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-9857931-0
Create hunting rule

Unix.Trojan.Mirai-9866113-0
Create hunting rule

Unix.Trojan.Mirai-9885259-0
Create hunting rule

Unix.Trojan.Mirai-9933849-0
Create hunting rule

Unix.Trojan.Gafgyt-9940653-0
Create hunting rule

Unix.Trojan.Mirai-9951089-0
Create hunting rule

Unix.Trojan.Gafgyt-6735924-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Sends data to a server
Receives data from a server
Creating a file
Runs as daemon
Opens a port
DNS request
Substitutes an application name
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
gafgyt mirai
Link:
https://www.filescan.io/uploads/69403eaca7163552ba00d723/reports/2c4bc152-168c-483d-9560-ea45f56ba5a8/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-15T16:23:00Z UTC
Last seen:
2025-12-15T20:25:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/3b4520a08341a517de8fb678461838760648d3d5187844d0b9b197852006375a/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/94c97810-d82f-4108-89b6-924f729449ca
Behavior Graph:
Download SVG
%3 guuid=2585c72f-1b00-0000-e794-ae158b0b0000 pid=2955 /usr/bin/sudo guuid=a496bd31-1b00-0000-e794-ae158e0b0000 pid=2958 /tmp/sample.bin net guuid=2585c72f-1b00-0000-e794-ae158b0b0000 pid=2955->guuid=a496bd31-1b00-0000-e794-ae158e0b0000 pid=2958 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=a496bd31-1b00-0000-e794-ae158e0b0000 pid=2958->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=4e3aef31-1b00-0000-e794-ae158f0b0000 pid=2959 /tmp/. dns net send-data zombie guuid=a496bd31-1b00-0000-e794-ae158e0b0000 pid=2958->guuid=4e3aef31-1b00-0000-e794-ae158f0b0000 pid=2959 clone guuid=4e3aef31-1b00-0000-e794-ae158f0b0000 pid=2959->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 26B d5965430-4300-5bfe-b342-107aeefd1835 157.245.79.120:39691 guuid=4e3aef31-1b00-0000-e794-ae158f0b0000 pid=2959->d5965430-4300-5bfe-b342-107aeefd1835 send: 113B guuid=d094fd31-1b00-0000-e794-ae15900b0000 pid=2960 /tmp/. guuid=4e3aef31-1b00-0000-e794-ae158f0b0000 pid=2959->guuid=d094fd31-1b00-0000-e794-ae15900b0000 pid=2960 clone
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/31751d19-7676-4483-98a3-d112b53c4433
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1833189
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/3b4520a08341a517de8fb678461838760648d3d5187844d0b9b197852006375a
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3b4520a08341a517de8fb678461838760648d3d5187844d0b9b197852006375a/
Threat name:
Linux.Backdoor.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2025-12-15 17:00:35 UTC
File Type:
ELF32 Little (Exe)
AV detection:
25 of 37 (67.57%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hncsbiedigsrpxupwz4emgbyoyderu6vdb4ejufzwglykiagg5na._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
linux
Link:
https://tria.ge/reports/251215-vjrwxahy9e/
Behaviour
Changes its process name
Renames itself
Unexpected DNS network traffic destination
Verdict:
Malicious
Tags:
trojan mirai Unix.Trojan.Mirai-9857931-0
YARA:
Linux_Trojan_Mirai_b14f4c5d Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_cc93863b Linux_Trojan_Mirai_8aa7b5d3
Link:
https://app.threat.zone/submission/3792f07a-70b2-4bbd-a580-99b4b0c46aef
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.20
Link:
https://yomi.yoroi.company/submissions/3b4520a08341a517de8fb678461838760648d3d5187844d0b9b197852006375a

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:Linux_Trojan_Mirai_88de437f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Create hunting rule
Author:Elastic Security
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

Gafgyt

elf 3b4520a08341a517de8fb678461838760648d3d5187844d0b9b197852006375a

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3726336/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3726333/

Comments