MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f5857da89c671bd6c813a209d3bcd0ebe9642183f729ff9535e1d8e660ca0850. 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: 8


Intelligence 8 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f5857da89c671bd6c813a209d3bcd0ebe9642183f729ff9535e1d8e660ca0850
SHA3-384 hash: 61145caf9209a1d6a0721ec5b5bd48a1e0ed2f4b38db7cbbb72a963f167374781767b5164fccbcc54098b9ddb36e39d8
SHA1 hash: ebd9521ff313d8432e3884065799281647c832b4
MD5 hash: 9701c48747bdb613eae94fc7739695c8
humanhash: moon-ceiling-nine-blue
File name:arm7
Download: download sample
Signature Gafgyt
Create hunting rule
File size:850'080 bytes
First seen:2026-04-29 13:50:00 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 24576:UXIY/nCHx5F4WagCn76kClSVbwhaMClHoNU:OC/F4Wax7gIAaMClb
TLSH T1DA054956F8809F22C5D125B6FB5F42A8731747B9D3EA720699188B343BD782F0F3A641
Magika elf
Reporter abuse_ch
Tags:elf gafgyt

Intelligence

File Origin
# of uploads :
1
# of downloads :
94
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Unix.Trojan.Mirai-10004218-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Changes access rights for a written file
Sets a written file as executable
Changes the time when the file was created, accessed, or modified
Runs as daemon
Creating a file in the %temp% directory
Manages services
Creating a file
Locks files
Creating a file in the %temp% subdirectories
Launching a process
Creates or modifies files in /cron to set up autorun
Substitutes an application name
Deleting of the original file
Creates or modifies symbolic links in /init.d to set up autorun
Creates or modifies files in /init.d to set up autorun
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gafgyt gcc mirai rust
Link:
https://www.filescan.io/uploads/69f20cb2c06ec088bf62ec61/reports/f8ee0c5b-1de0-41e6-80a4-f3fa30c79d19/overview
Verdict:
Unknown
File Type:
elf.32.le
First seen:
2026-04-29T10:15:00Z UTC
Last seen:
2026-04-29T10:28:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/f5857da89c671bd6c813a209d3bcd0ebe9642183f729ff9535e1d8e660ca0850/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/27720693-68b4-4398-8ce3-7d10ec687981
Behavior Graph:
Download SVG
%3 guuid=bcdab361-1a00-0000-5e36-1c4ed30a0000 pid=2771 /usr/bin/sudo guuid=0c1a3e64-1a00-0000-5e36-1c4ed60a0000 pid=2774 /tmp/sample.bin guuid=bcdab361-1a00-0000-5e36-1c4ed30a0000 pid=2771->guuid=0c1a3e64-1a00-0000-5e36-1c4ed60a0000 pid=2774 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/893c9839-c044-4d95-bca7-d7ce08cf8563
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
52 / 100
Link:
https://www.joesandbox.com/analysis/1906272
Signature
Multi AV Scanner detection for submitted file
Sample deletes itself
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1906272 Sample: arm7.elf Startdate: 29/04/2026 Architecture: LINUX Score: 52 15 163.254.30.151, 23, 2323 WEST-NET-WESTUS United States 2->15 17 45.182.252.230, 23, 2323, 33384 WAGNERJOSERIBEIROBR Brazil 2->17 19 43 other IPs or domains 2->19 21 Multi AV Scanner detection for submitted file 2->21 8 arm7.elf 2->8         started        signatures3 process4 process5 10 arm7.elf 8->10         started        process6 12 arm7.elf 10->12         started        signatures7 23 Sample deletes itself 12->23
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/f5857da89c671bd6c813a209d3bcd0ebe9642183f729ff9535e1d8e660ca0850
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f5857da89c671bd6c813a209d3bcd0ebe9642183f729ff9535e1d8e660ca0850/
Threat name:
Linux.Backdoor.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2026-04-29 13:23:01 UTC
File Type:
ELF32 Little (Exe)
AV detection:
8 of 24 (33.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6wcx3ke4m4n5nsatuie5hpgq5puwiimd64u77fjv4hmomygkbbia._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery execution persistence privilege_escalation
Link:
https://tria.ge/reports/260429-q5v38sgw4l/
Behaviour
Reads runtime system information
Writes file to tmp directory
Changes its process name
Modifies Bash startup script
Creates/modifies Cron job
Creates/modifies environment variables
Enumerates running processes
Modifies init.d
Modifies rc script
Modifies systemd
File and Directory Permissions Modification
Deletes itself
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/f5857da89c671bd6c813a209d3bcd0ebe9642183f729ff9535e1d8e660ca0850

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:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:F01_s1ckrule
Create hunting rule
Author:s1ckb017
Rule name:ldpreload
Create hunting rule
Author:xorseed
Reference:https://stuff.rop.io/
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:malwareelf55503
Create hunting rule
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
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 f5857da89c671bd6c813a209d3bcd0ebe9642183f729ff9535e1d8e660ca0850

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3834622/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3834517/
  
URLhaus
https://urlhaus.abuse.ch/url/3834624/
  
URLhaus
https://urlhaus.abuse.ch/url/3834623/

Comments