MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef428421d2ef6c4ec7842555cfbd357732132ff9c2f31d22fd1ddaacbf6a3fa6. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ef428421d2ef6c4ec7842555cfbd357732132ff9c2f31d22fd1ddaacbf6a3fa6
SHA3-384 hash: 4c49fd5fed8c61fb8518bb0de68b7c7b0c1b2a441e017314d2ee9a216bb38932ea8560dd5c22eb52334b00dee4fc62fa
SHA1 hash: da28bf0acb6242622ebbb3d6d7da872b78f48263
MD5 hash: d9ccb1ce907d9dce9cdf2a9aa2190d35
humanhash: blossom-alaska-wolfram-ten
File name:armv5l
Download: download sample
Signature Gafgyt
Create hunting rule
File size:159'064 bytes
First seen:2025-08-02 06:13:09 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:RsUzrxQoZMVf+DOUEIy/Q6ux3nYRCTYRwJpexI0O4oat/2n1hiGxS7YFa:RhzrxQoZMVfYvEI6uRYATYRwbyI0OraJ
TLSH T1B7F3F745BC518F56CAC256BBFF4E428D772B1768D3EE31039D266F20379B85A0E3A142
telfhash t1ad21b146ef64095c2be58098466eb0295fcc70987a5b38438e6e6f4b5c529d6b00c42b
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 :
36
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
bash lolbin obfuscated remote
Link:
https://www.filescan.io/uploads/688dac81dc44c87d077a94ab/reports/dd22e67a-2a0c-406c-b9cf-e9d2e2059b19/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
148
Number of processes launched:
5
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/ef428421d2ef6c4ec7842555cfbd357732132ff9c2f31d22fd1ddaacbf6a3fa6
Behaviour
Persistence
Process Renaming
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/11716b20-9a75-4a7a-ac21-b5160abc5ff6
Behavior Graph:
Download SVG
%3 guuid=0f8bde30-1800-0000-8a4d-d53a64090000 pid=2404 /usr/bin/sudo guuid=fcea9333-1800-0000-8a4d-d53a6a090000 pid=2410 /tmp/sample.bin guuid=0f8bde30-1800-0000-8a4d-d53a64090000 pid=2404->guuid=fcea9333-1800-0000-8a4d-d53a6a090000 pid=2410 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c06bcc0f-b607-4780-9302-64098ac9c497
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1748943
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Drops files in suspicious directories
Found malware configuration
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample tries to set files in /etc globally writable
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1748943 Sample: armv5l.elf Startdate: 02/08/2025 Architecture: LINUX Score: 100 29 92.113.21.114, 47474, 5060 UKRTELNETUA Ukraine 2->29 31 34.254.182.186, 443, 44532 AMAZON-02US United States 2->31 33 2 other IPs or domains 2->33 35 Found malware configuration 2->35 37 Antivirus detection for dropped file 2->37 39 Antivirus / Scanner detection for submitted sample 2->39 41 3 other signatures 2->41 9 armv5l.elf 2->9         started        11 dash rm 2->11         started        13 dash head 2->13         started        15 9 other processes 2->15 signatures3 process4 process5 17 armv5l.elf 9->17         started        process6 19 armv5l.elf 17->19         started        file7 25 /var/main, ELF 19->25 dropped 27 /etc/init.d/xs.main, POSIX 19->27 dropped 43 Sample tries to set files in /etc globally writable 19->43 45 Drops files in suspicious directories 19->45 47 Sample deletes itself 19->47 23 armv5l.elf 19->23         started        signatures8 process9
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/ef428421d2ef6c4ec7842555cfbd357732132ff9c2f31d22fd1ddaacbf6a3fa6
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ef428421d2ef6c4ec7842555cfbd357732132ff9c2f31d22fd1ddaacbf6a3fa6/
Verdict:
Malicious
Threat:
HEUR:Backdoor.Linux.Mirai
Link:
https://tip.neiki.dev/file/ef428421d2ef6c4ec7842555cfbd357732132ff9c2f31d22fd1ddaacbf6a3fa6
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-08-02 05:48:34 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=55biiios55we5r4eevk47pjvo4zbgl7zylzr2ix5dxnkzp3kh6ta._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/250802-gyw8aawwby/
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/bb452f48-53e7-4888-a8ea-7833628e43d0
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/ef428421d2ef6c4ec7842555cfbd357732132ff9c2f31d22fd1ddaacbf6a3fa6

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_Generic_Threat_d94e1020
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 ef428421d2ef6c4ec7842555cfbd357732132ff9c2f31d22fd1ddaacbf6a3fa6

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3594315/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3587311/

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