MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2720d3f547466627abc059669fb343b8f1e9476a63615b53733af6c2c42842e7. 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 12 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2720d3f547466627abc059669fb343b8f1e9476a63615b53733af6c2c42842e7
SHA3-384 hash: b9a54bb08aa919a8ab09b78c5b9f409695025f78c8e880c673460bc18280b54067e51e8803b59b2ee40baff9856817a3
SHA1 hash: f0b7bda67ae28a96f95831f11752afa45800c94a
MD5 hash: b31fdf3565677dc90ffe94416699ed95
humanhash: idaho-march-enemy-don
File name:x86_64
Download: download sample
Signature Gafgyt
Create hunting rule
File size:164'072 bytes
First seen:2024-12-28 10:06:01 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:FG7cka1eb1iT6tkdawjT76zpMZpsLdC4xQvRWWfWURq:M7cmb1Xarpqddtwq
TLSH T1A0F34B16B5C098FEC499C1744FABE136ED72F41D1234B66F27D4AB261F4EE206B2DA10
telfhash t1a651df302e5a39d832e3d736b20ee5bee8720d6509e174e4df6779e5ce127881ca2051
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 :
107
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30460.LC.UNOFFICIAL
Create hunting rule

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

Unix.Trojan.Gafgyt-9939811-0
Create hunting rule

Unix.Trojan.Mirai-10025441-0
Create hunting rule

Verdict:
Clean
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=676fcd8e1bb06b888478e5e7linux22vpnfull_triage
Tags:
phishing backdoor
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Connection attempt
Locks files
Runs as daemon
Creating a file
DNS request
Kills processes
Opens a port
Receives data from a server
Sends data to a server
Substitutes an application name
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
anti-debug lolbin remote
Link:
https://www.filescan.io/uploads/676fcd91a561e5a2873b3bfb/reports/0bf20d14-f1ff-4054-8aa5-01051f5a5f5a/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
2
Number of processes launched:
4
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/2720d3f547466627abc059669fb343b8f1e9476a63615b53733af6c2c42842e7
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
UNKNOWN
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d2c73997-1d9d-4fd8-a945-8eca0e6a5bfa
Result
Threat name:
Gafgyt
Create hunting rule
Detection:
malicious
Classification:
spre.troj
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1581638
Signature
Connects to many ports of the same IP (likely port scanning)
Executes the "iptables" command to insert, remove and/or manipulate rules
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample tries to kill multiple processes (SIGKILL)
Yara detected Gafgyt
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1581638 Sample: x86_64.elf Startdate: 28/12/2024 Architecture: LINUX Score: 80 44 SECURE-NETWORK-REBIRTHLTD.RU 83.222.191.146, 2222, 35342, 38416 NET1-ASBG Bulgaria 2->44 46 secure-network-rebirthltd.ru 2->46 48 2 other IPs or domains 2->48 52 Malicious sample detected (through community Yara rule) 2->52 54 Multi AV Scanner detection for submitted file 2->54 56 Yara detected Gafgyt 2->56 58 2 other signatures 2->58 10 x86_64.elf 2->10         started        12 systemd upowerd 2->12         started        14 xfce4-panel wrapper-2.0 2->14         started        16 60 other processes 2->16 signatures3 process4 process5 18 x86_64.elf 10->18         started        process6 20 x86_64.elf 18->20         started        22 x86_64.elf 18->22         started        signatures7 25 x86_64.elf sh 20->25         started        27 x86_64.elf sh 20->27         started        29 x86_64.elf sh 20->29         started        31 2 other processes 20->31 60 Sample tries to kill multiple processes (SIGKILL) 22->60 process8 process9 33 sh iptables 25->33         started        36 sh busybox 27->36         started        38 sh busybox 29->38         started        40 sh 31->40         started        42 sh 31->42         started        signatures10 50 Executes the "iptables" command to insert, remove and/or manipulate rules 33->50
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/2720d3f547466627abc059669fb343b8f1e9476a63615b53733af6c2c42842e7
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2720d3f547466627abc059669fb343b8f1e9476a63615b53733af6c2c42842e7/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2024-12-28 10:07:06 UTC
File Type:
ELF64 Little (Exe)
AV detection:
17 of 23 (73.91%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=e4qnh5khiztcpk6alftj7m2dxdy6sr3kmnqvwu3thl3mfrbiiltq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery linux
Link:
https://tria.ge/reports/241228-l44xjaxqdp/
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Enumerates active TCP sockets
Unexpected DNS network traffic destination
Verdict:
Malicious
Tags:
trojan mirai gafgyt 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_e0cf29e2
Link:
https://app.threat.zone/submission/67dde9ed-74d9-4f58-a012-72b980ea3aca
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.80
Link:
https://yomi.yoroi.company/submissions/2720d3f547466627abc059669fb343b8f1e9476a63615b53733af6c2c42842e7

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_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_e0cf29e2
Create hunting rule
Author:Elastic Security
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

sh ae1967865636b381f6d814b0ca340347ef2ede7991d02a2d3c6f0b301f8f84a7

Gafgyt

elf 2720d3f547466627abc059669fb343b8f1e9476a63615b53733af6c2c42842e7

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3379340/
  
Delivery method
Distributed via web download
  
Dropped by
SHA256 ae1967865636b381f6d814b0ca340347ef2ede7991d02a2d3c6f0b301f8f84a7
  
Dropped by
MD5 b0aa07cfaf7232539e68f4ef7a6c3c60
  
URLhaus
https://urlhaus.abuse.ch/url/3379331/
  
URLhaus
https://urlhaus.abuse.ch/url/3379652/
  
URLhaus
https://urlhaus.abuse.ch/url/3379679/
  
URLhaus
https://urlhaus.abuse.ch/url/3379692/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments