MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 37ecc5d6d3eb54ae7971bc070d6b7f97c3bf8caa20b8dd43933486b31936584c. 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: 12


Intelligence 12 IOCs YARA 12 File information Comments
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SHA256 hash: 37ecc5d6d3eb54ae7971bc070d6b7f97c3bf8caa20b8dd43933486b31936584c
SHA3-384 hash: f6e27207070bf1e38e8e222f6aee022bc15b15608b6ea2619310e5ddc7ceffca51a3ac56ecdb077b56f7d7eb400eb1af
SHA1 hash: 541a1bea798a3dc54a61e07117b295e9c2d3a864
MD5 hash: ed727dde3fbb4141645d2806a7a68b73
humanhash: artist-eleven-helium-oven
File name:a-r.m-5.Sakura
Download: download sample
Signature Gafgyt
Create hunting rule
File size:280'985 bytes
First seen:2025-06-28 16:24:38 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:XPRpmrqPaagk+SxmQyX4uqx5w+twifISyScVrsDSRmZsOCp5VKFW6T:fRpmrA59m4ui5w+tw66rsDSRmuOCp5Vc
TLSH T1D6542945EC404F2BC7E17BBAFB9A43CE76364BA967DB312289351D7027C1B49223D5A0
telfhash t1b151b726d9f98e3e27e349649c7d4bf11166521272723d74bf39c0c0957b00a6924e8f
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 mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
80
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30395.LC.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Siggen.2205.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29052.TSource.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30420.LX.BOT.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.32134.LX.BOT.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.32133.LX.BOT.UNOFFICIAL
Create hunting rule

Unix.Trojan.Gafgyt-6981154-0
Create hunting rule

Unix.Trojan.Tsunami-6981155-0
Create hunting rule

Unix.Trojan.Tsunami-6981163-0
Create hunting rule

Unix.Trojan.Gafgyt-6981165-0
Create hunting rule

Unix.Trojan.Mirai-6981169-0
Create hunting rule

Unix.Dropper.Mirai-7135935-0
Create hunting rule

Unix.Dropper.Mirai-7135940-0
Create hunting rule

Unix.Dropper.Mirai-7135945-0
Create hunting rule

Unix.Dropper.Mirai-7135968-0
Create hunting rule

Unix.Dropper.Mirai-7136011-0
Create hunting rule

Unix.Dropper.Mirai-7136072-0
Create hunting rule

Unix.Dropper.Mirai-7136105-0
Create hunting rule

Unix.Dropper.Mirai-7139223-0
Create hunting rule

Unix.Dropper.Mirai-7139232-0
Create hunting rule

Unix.Trojan.Gafgyt-7643791-0
Create hunting rule

Unix.Proxy.Mirai-7844054-0
Create hunting rule

Unix.Trojan.Tsunami-9396652-0
Create hunting rule

Unix.Trojan.Gafgyt-9396656-0
Create hunting rule

Unix.Dropper.Gafgyt-9762292-0
Create hunting rule

Unix.Trojan.Gafgyt-9762295-0
Create hunting rule

Unix.Trojan.Mirai-9847812-0
Create hunting rule

Unix.Trojan.Mirai-9864781-0
Create hunting rule

Unix.Trojan.Gafgyt-9879277-0
Create hunting rule

Unix.Trojan.Mirai-9943729-0
Create hunting rule

Unix.Trojan.Mirai-9951087-0
Create hunting rule

Unix.Trojan.Mirai-10033529-0
Create hunting rule

Unix.Trojan.Mirai-10034904-0
Create hunting rule

Unix.Trojan.Mirai-10035004-0
Create hunting rule

Unix.Trojan.Mirai-5607483-0
Create hunting rule

Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=686017ec37c343677946a667linux22vpnfull_triage
Tags:
gafgyt mirai
Result
Verdict:
Malware
Maliciousness:
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
true
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
405
Number of processes launched:
120
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/37ecc5d6d3eb54ae7971bc070d6b7f97c3bf8caa20b8dd43933486b31936584c
Behaviour
Anti-VM
Persistence
Process Renaming
Firewall Changes
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/ecce115e-633a-425b-8c10-144cd379bed3
Behavior Graph:
Download SVG
%3 guuid=4c4f827f-1900-0000-4f17-43b6d5070000 pid=2005 /usr/bin/sudo guuid=25a03f81-1900-0000-4f17-43b6d6070000 pid=2006 /tmp/sample.bin guuid=4c4f827f-1900-0000-4f17-43b6d5070000 pid=2005->guuid=25a03f81-1900-0000-4f17-43b6d6070000 pid=2006 execve
Malware family:
Gafgyt
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d409d5cc-82ed-4492-8cb3-b11fd6fe8dd3
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1724747
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains symbols with names commonly found in malware
Drops files in suspicious directories
Drops invisible ELF files
Malicious sample detected (through community Yara rule)
Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions
Multi AV Scanner detection for submitted file
Opens /proc/net/* files useful for finding connected devices and routers
Protects files from modification
Sample deletes itself
Sample is potentially a Mirai botnet sample
Uses dynamic DNS services
Writes identical ELF files to multiple locations
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1724747 Sample: a-r.m-5.Sakura.elf Startdate: 28/06/2025 Architecture: LINUX Score: 100 50 btorgbds.duckdns.org 2->50 52 btorgbds.duckdns.org 38.34.15.2, 21451, 55062, 55064 COGENT-174US United States 2->52 54 daisy.ubuntu.com 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 Antivirus detection for dropped file 2->58 60 Antivirus / Scanner detection for submitted sample 2->60 64 5 other signatures 2->64 8 a-r.m-5.Sakura.elf 2->8         started        signatures3 62 Uses dynamic DNS services 50->62 process4 file5 44 /usr/lib/.OtnSbmIc, ELF 8->44 dropped 46 /root/.bashrc, ASCII 8->46 dropped 48 /root/.bash_profile, ASCII 8->48 dropped 74 Drops invisible ELF files 8->74 76 Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions 8->76 78 Opens /proc/net/* files useful for finding connected devices and routers 8->78 12 a-r.m-5.Sakura.elf sh 8->12         started        14 a-r.m-5.Sakura.elf sh 8->14         started        16 a-r.m-5.Sakura.elf sh 8->16         started        18 64 other processes 8->18 signatures6 process7 process8 20 sh cp 12->20         started        24 sh cp 14->24         started        26 sh cp 16->26         started        28 sh cp 18->28         started        30 sh cp 18->30         started        32 sh cp 18->32         started        34 59 other processes 18->34 file9 36 /usr/sbin/shutdown, ELF 20->36 dropped 66 Writes identical ELF files to multiple locations 20->66 68 Drops files in suspicious directories 20->68 38 /usr/sbin/poweroff, ELF 24->38 dropped 40 /usr/sbin/init, ELF 26->40 dropped 42 /usr/bin/systemctl, ELF 32->42 dropped 70 Protects files from modification 34->70 72 Sample deletes itself 34->72 signatures10
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/37ecc5d6d3eb54ae7971bc070d6b7f97c3bf8caa20b8dd43933486b31936584c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/37ecc5d6d3eb54ae7971bc070d6b7f97c3bf8caa20b8dd43933486b31936584c/
Threat name:
Linux.Trojan.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2025-06-28 16:25:26 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=g7wmlvwt5nkk46lrxqdq2237s7b37dfkec4n2q4tgsdlggjwlbga._file
Result
Malware family:
gafgyt
Create hunting rule
Score:
  10/10
Tags:
family:gafgyt
Link:
https://tria.ge/reports/250628-txd2jatqx8/
Malware Config
C2 Extraction:
239.255.255.250:1900
Verdict:
Malicious
Tags:
botnet trojan gafgyt Unix.Trojan.Gafgyt-6981154-0
YARA:
botnet_dayzddos Linux_Trojan_Gafgyt_28a2fe0c Linux_Gafgyt_May_2024
Link:
https://app.threat.zone/submission/febb68ff-8cd0-469b-9192-e82be682bfc6
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Mirai
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/37ecc5d6d3eb54ae7971bc070d6b7f97c3bf8caa20b8dd43933486b31936584c

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:ach_202503_elf_Mirai
Create hunting rule
Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
Rule name:botnet_dayzddos
Create hunting rule
Author:NDA0E
Description:dayzddos botnet
Rule name:botnet_plaintext_c2
Create hunting rule
Author:cip
Description:Attempts to match at least some of the strings used in some botnet variants which use plaintext communication protocols.
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:Linux_Gafgyt_Generic
Create hunting rule
Author:albertzsigovits
Description:Generic Approach to Mirai/Gafgyt samples
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_d94e1020
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:NET
Create hunting rule
Author:malware-lu
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

Gafgyt

elf 37ecc5d6d3eb54ae7971bc070d6b7f97c3bf8caa20b8dd43933486b31936584c

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3571101/
  
Delivery method
Distributed via web download

Comments