MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a2c31c27b64d295d3b2d533dac88ac40d7ba51b694fef203d0e2ae83fa81abc0. 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: 11


Intelligence 11 IOCs YARA 12 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a2c31c27b64d295d3b2d533dac88ac40d7ba51b694fef203d0e2ae83fa81abc0
SHA3-384 hash: 286c9ba41dbe300699945e9c403eb146f1827b83928eb4c692f2852251280d5918dde35183c1c7d522ed2908d6ec2a7c
SHA1 hash: c6cf4a110d5041e6d536787f0ccd279ef887a99c
MD5 hash: d6fa4e9b82c8a247813927fcef15cd17
humanhash: stream-pizza-bakerloo-avocado
File name:x86_64
Download: download sample
Signature Gafgyt
Create hunting rule
File size:116'872 bytes
First seen:2025-12-23 23:52:38 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:XafIPYm0xsAjZ15KRSUtDOs3SCXaf2Y/EtkAegf:XJ7KQxDlSme7Gf
TLSH T1F1B36B03A58080FDC4C6D6780FAEA216D932F55C6375B64E27C47F293E5EE612F6E221
telfhash t14541f1b42ea97d5831d3f726b30ec959ec7615251ce231e5ce6779d4af12b480cb3022
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 :
38
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.30645.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.31069.LX.BOT.UNOFFICIAL
Create hunting rule

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

Unix.Dropper.Mirai-7540662-0
Create hunting rule

Unix.Trojan.Mirai-7755770-0
Create hunting rule

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

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

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

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
mirai
Link:
https://www.filescan.io/uploads/694b2b6a84afa5547b5d1c58/reports/88279c25-350e-41ce-b933-56bf2343fba6/overview
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2025-12-23T20:18:00Z UTC
Last seen:
2025-12-23T20:32:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.gen HEUR:Backdoor.Linux.Mirai.cs HEUR:Backdoor.Linux.Gafgyt.dt
Link:
https://opentip.kaspersky.com/a2c31c27b64d295d3b2d533dac88ac40d7ba51b694fef203d0e2ae83fa81abc0/results?tab=lookup
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/163fede6-02cb-42cf-ae5a-f4f1fa1e32f6
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/1838563
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Uses STUN server to do NAT traversial
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1838563 Sample: x86_64.elf Startdate: 24/12/2025 Architecture: LINUX Score: 84 34 stun.l.google.com 2->34 36 165.163.101.139, 23 WISCNET1-ASUS United States 2->36 38 101 other IPs or domains 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 Antivirus / Scanner detection for submitted sample 2->42 44 Multi AV Scanner detection for submitted file 2->44 48 2 other signatures 2->48 8 x86_64.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 46 Uses STUN server to do NAT traversial 34->46 process4 process5 12 x86_64.elf 8->12         started        14 x86_64.elf 8->14         started        16 x86_64.elf 8->16         started        18 20 other processes 8->18 process6 20 x86_64.elf 12->20         started        22 x86_64.elf 14->22         started        24 x86_64.elf 16->24         started        26 x86_64.elf 18->26         started        28 x86_64.elf 18->28         started        30 x86_64.elf 18->30         started        32 14 other processes 18->32
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a2c31c27b64d295d3b2d533dac88ac40d7ba51b694fef203d0e2ae83fa81abc0
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a2c31c27b64d295d3b2d533dac88ac40d7ba51b694fef203d0e2ae83fa81abc0/
Verdict:
Malicious
Threat:
Backdoor.Linux.Mirai
Link:
https://tip.neiki.dev/file/a2c31c27b64d295d3b2d533dac88ac40d7ba51b694fef203d0e2ae83fa81abc0
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-23 23:53:17 UTC
File Type:
ELF64 Little (Exe)
AV detection:
12 of 24 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ulbryj5wjuuv2oznkm62zcfmidl3uunwst7pea6q4kxih6ubvpaa._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
credential_access discovery linux
Link:
https://tria.ge/reports/251223-3xfd2azqfx/
Behaviour
Reads runtime system information
Changes its process name
Reads process memory
Enumerates running processes
Contacts a large (37953) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
trojan gafgyt mirai Unix.Dropper.Mirai-7540662-0
YARA:
Linux_Trojan_Gafgyt_9e9530a7 Linux_Trojan_Gafgyt_807911a2 Linux_Trojan_Gafgyt_d4227dbf Linux_Trojan_Gafgyt_d996d335 Linux_Trojan_Gafgyt_d0c57a2e Linux_Trojan_Gafgyt_620087b9 Linux_Trojan_Gafgyt_0cd591cd Linux_Trojan_Gafgyt_33b4111a Linux_Trojan_Gafgyt_a33a8363 Linux_Trojan_Mirai_1cb033f3
Link:
https://app.threat.zone/submission/974b54dc-77a1-4c22-8485-9bce7bacf7f0
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/a2c31c27b64d295d3b2d533dac88ac40d7ba51b694fef203d0e2ae83fa81abc0

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_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_0cd591cd
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_33b4111a
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_620087b9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_807911a2
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_9e9530a7
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_a33a8363
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d0c57a2e
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d4227dbf
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d996d335
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_1cb033f3
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 a2c31c27b64d295d3b2d533dac88ac40d7ba51b694fef203d0e2ae83fa81abc0

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3740047/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3740231/
  
URLhaus
https://urlhaus.abuse.ch/url/3740245/

Comments