MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 37b09e3bb8d9589ff4e587ae5272880fd3890bd0a3598ade2d7bb0ccf8873156. 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: 37b09e3bb8d9589ff4e587ae5272880fd3890bd0a3598ade2d7bb0ccf8873156
SHA3-384 hash: 437cdc5f6680b3f80eb2931988591a9d9c262b756e890cc01c32d3a3b1dee70204508b6f396688fe4f5f64167d2952df
SHA1 hash: 436eaed96483b2f2a8d6be38a754aed1a3b77b39
MD5 hash: 4e31efd207856078857ef5dbfcca95f2
humanhash: mars-november-dakota-delta
File name:zerx86
Download: download sample
Signature Gafgyt
Create hunting rule
File size:90'768 bytes
First seen:2025-12-16 19:45:15 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:1THUVO6wEbFUR6DGzNeVYzyU10sRmK0aFyZNJdzxqLFVYSI+o6LoDu:lHUQ6PbFM6D7QL10fKbFUrFxo5HjLoDu
TLSH T1D7934CE4EDA3D6B5E865057240F24FB78B34F93A016CEE4BFF685970DC502018296BAD
telfhash t14b11047d1e621ed87bc0ba47b24e9730ae2e6a93043176f215f634a836d24018339c7a
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 :
50
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-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/6941b6d63f8fdbf8e9485e9b/reports/eb91b825-1470-40f7-b8ed-1e641672ca30/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-16T17:04:00Z UTC
Last seen:
2025-12-16T17:53:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/37b09e3bb8d9589ff4e587ae5272880fd3890bd0a3598ade2d7bb0ccf8873156/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/cddf01f3-bd86-4112-bc4e-f541c36d03c8
Behavior Graph:
Download SVG
%3 guuid=db4ccb11-1a00-0000-287e-808688090000 pid=2440 /usr/bin/sudo guuid=bc8da213-1a00-0000-287e-80868c090000 pid=2444 /tmp/sample.bin net guuid=db4ccb11-1a00-0000-287e-808688090000 pid=2440->guuid=bc8da213-1a00-0000-287e-80868c090000 pid=2444 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=bc8da213-1a00-0000-287e-80868c090000 pid=2444->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=c8f6ee13-1a00-0000-287e-80868d090000 pid=2445 /tmp/. dns net send-data zombie guuid=bc8da213-1a00-0000-287e-80868c090000 pid=2444->guuid=c8f6ee13-1a00-0000-287e-80868d090000 pid=2445 clone guuid=c8f6ee13-1a00-0000-287e-80868d090000 pid=2445->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 26B d5965430-4300-5bfe-b342-107aeefd1835 157.245.79.120:39691 guuid=c8f6ee13-1a00-0000-287e-80868d090000 pid=2445->d5965430-4300-5bfe-b342-107aeefd1835 send: 92B guuid=cd57fb13-1a00-0000-287e-80868e090000 pid=2446 /tmp/. guuid=c8f6ee13-1a00-0000-287e-80868d090000 pid=2445->guuid=cd57fb13-1a00-0000-287e-80868e090000 pid=2446 clone
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/83537591-35fa-4624-81fb-c5dda715b91f
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1834333
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/37b09e3bb8d9589ff4e587ae5272880fd3890bd0a3598ade2d7bb0ccf8873156
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/37b09e3bb8d9589ff4e587ae5272880fd3890bd0a3598ade2d7bb0ccf8873156/
Threat name:
Linux.Backdoor.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2025-12-16 19:45:30 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 23 (65.22%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=g6yj4o5y3fmj75hfq6xfe4uib7jysc6qunmyvxrnpoymz6ehgfla._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
linux
Link:
https://tria.ge/reports/251216-ygk75avmbv/
Behaviour
Changes its process name
Renames itself
Verdict:
Malicious
Tags:
trojan mirai Unix.Trojan.Mirai-9866113-0
YARA:
Linux_Trojan_Mirai_b14f4c5d Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_cc93863b Linux_Trojan_Mirai_8aa7b5d3
Link:
https://app.threat.zone/submission/4c595bf8-ec2b-40f7-96d4-3909a72bab9b
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/37b09e3bb8d9589ff4e587ae5272880fd3890bd0a3598ade2d7bb0ccf8873156

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 37b09e3bb8d9589ff4e587ae5272880fd3890bd0a3598ade2d7bb0ccf8873156

(this sample)

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

Comments