MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a4f5dabdc4f13e71a0c43ac25ef106941267897e7fc82d205b516a34c5eedf2e. 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: a4f5dabdc4f13e71a0c43ac25ef106941267897e7fc82d205b516a34c5eedf2e
SHA3-384 hash: 580b44760649b7336eef8f50a3e88ebcedc0ef7ecaaebd38415d7c120d1fd0e1409530151f58280c131f89f80ed328ff
SHA1 hash: 503755623bdd03b28d33abdcb067f8b1b4785ed3
MD5 hash: 7146d6c1d8e581a636e0504f08784752
humanhash: four-october-east-missouri
File name:aarch64
Download: download sample
Signature Gafgyt
Create hunting rule
File size:940'592 bytes
First seen:2026-04-30 12:44:14 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 24576:HnKHWpd1j5VftydJ90i7n0kjhY+HV5HS88:HeWyL9HhfHV5k
TLSH T194157C5BFD5E3C07D2E7E23EAB8AC3B0522B7590D22351677982032C95C6ADCCFA1651
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

Intelligence

File Origin
# of uploads :
1
# of downloads :
63
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 files in /init.d to set up autorun
Creates or modifies symbolic links 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/69f34ea6df14f1cb2ac69646/reports/6fa892d0-b117-4109-a64a-fe1c1f5a0eba/overview
Verdict:
Unknown
File Type:
elf.64.le
Link:
https://opentip.kaspersky.com/a4f5dabdc4f13e71a0c43ac25ef106941267897e7fc82d205b516a34c5eedf2e/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/7279141a-6787-4ab4-aea7-2da15e7b8912
Behavior Graph:
Download SVG
%3 guuid=488728e9-1700-0000-9fa1-6c8f9f0c0000 pid=3231 /usr/bin/sudo guuid=a4442aeb-1700-0000-9fa1-6c8fa70c0000 pid=3239 /tmp/sample.bin guuid=488728e9-1700-0000-9fa1-6c8f9f0c0000 pid=3231->guuid=a4442aeb-1700-0000-9fa1-6c8fa70c0000 pid=3239 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/df579724-b8c4-4599-ae85-3499a3062872
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
52 / 100
Link:
https://www.joesandbox.com/analysis/1906807
Signature
Multi AV Scanner detection for submitted file
Sample deletes itself
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1906807 Sample: aarch64.elf Startdate: 30/04/2026 Architecture: LINUX Score: 52 19 161.172.253.77, 23, 2323 WAL-MARTUS United States 2->19 21 199.146.125.74, 23, 2323 USDA-1US United States 2->21 23 45 other IPs or domains 2->23 27 Multi AV Scanner detection for submitted file 2->27 8 aarch64.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        signatures3 process4 process5 14 aarch64.elf 8->14         started        process6 16 aarch64.elf 14->16         started        signatures7 25 Sample deletes itself 16->25
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a4f5dabdc4f13e71a0c43ac25ef106941267897e7fc82d205b516a34c5eedf2e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a4f5dabdc4f13e71a0c43ac25ef106941267897e7fc82d205b516a34c5eedf2e/
Threat name:
Linux.Trojan.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2026-04-30 12:45:58 UTC
File Type:
ELF64 Little (Exe)
AV detection:
10 of 24 (41.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ut25vpoe6e7hdigehlbf54igsqjgpcl6p7ec2ic3kfvdjrpo34xa._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/260430-pymylsh12p/
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/a4f5dabdc4f13e71a0c43ac25ef106941267897e7fc82d205b516a34c5eedf2e

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 a4f5dabdc4f13e71a0c43ac25ef106941267897e7fc82d205b516a34c5eedf2e

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3834631/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3834633/

Comments