MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 df35ef64e2597eac8ca496beea82ceb595474ce5fcd02613efbf607607132328. 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: 6


Intelligence 6 IOCs YARA 16 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: df35ef64e2597eac8ca496beea82ceb595474ce5fcd02613efbf607607132328
SHA3-384 hash: f1919af46cec52f00c28a50e0f867db212ec0bc1a778cc3a463673d4e964f083353844cd123a1dc32d29700532b25c36
SHA1 hash: a66c990e2acaad39c6a7eb797345f7b75819be94
MD5 hash: 2486255c8b858bd0ff80b6e63278a346
humanhash: arizona-beer-illinois-happy
File name:kworkerd
Download: download sample
Signature Gafgyt
Create hunting rule
File size:292'968 bytes
First seen:2026-06-10 10:06:04 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:vEJlRe7/YxDLBvkbPc2WoKAUMNNOXH6NgY:8J/e7w5SbPc2WPZMN5NgY
TLSH T145543C036580D5FAC087D0B6CBDFA2274A61783D593A724B27A07F663E5ADF05B19B03
telfhash t150b1ad3014e5346162c7d2467303ca2dee360819e7d976f8aad2b8b8eddf9c44d63836
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 BlinkzSec
Tags:gafgyt

Intelligence

File Origin
# of uploads :
1
# of downloads :
71
Origin country :
GB GB
Vendor Threat Intelligence
No detections
Detection(s):
Unix.Dropper.Mirai-7540662-0
Create hunting rule

Unix.Trojan.Mirai-10004218-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Changes the time when the file was created, accessed, or modified
Sets a written file as executable
Opens a port
Launching a process
Runs as daemon
Receives data from a server
Manages services
Creating a file
Kills processes
Connection attempt
Sends data to a server
Collects information on the CPU
Deleting a recently created file
Changes access rights for a written file
Creating a file in the %temp% directory
Creates or modifies files in /cron to set up autorun
Substitutes an application name
Deleting of the original file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
base64 gcc
Link:
https://www.filescan.io/uploads/6a293863554e843ff8670a23/reports/c4398f99-e05f-4bcd-bbd3-88c0a243ef3e/overview
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/f2c3f128-2281-4d29-91d9-f9ff0f7b604b
Behavior Graph:
Download SVG
%3 guuid=6356e4a1-1a00-0000-355e-f04067090000 pid=2407 /usr/bin/sudo guuid=533fdba3-1a00-0000-355e-f0406c090000 pid=2412 /tmp/sample.bin guuid=6356e4a1-1a00-0000-355e-f04067090000 pid=2407->guuid=533fdba3-1a00-0000-355e-f0406c090000 pid=2412 execve guuid=cff4b7a4-1a00-0000-355e-f0406e090000 pid=2414 /tmp/sample.bin zombie guuid=533fdba3-1a00-0000-355e-f0406c090000 pid=2412->guuid=cff4b7a4-1a00-0000-355e-f0406e090000 pid=2414 clone guuid=5d5cc7a4-1a00-0000-355e-f0406f090000 pid=2415 /tmp/sample.bin delete-file net send-data write-config write-file zombie guuid=cff4b7a4-1a00-0000-355e-f0406e090000 pid=2414->guuid=5d5cc7a4-1a00-0000-355e-f0406f090000 pid=2415 clone ffee5cfb-bb94-52c2-8935-ae3a87e774db 127.0.0.1:42780 guuid=5d5cc7a4-1a00-0000-355e-f0406f090000 pid=2415->ffee5cfb-bb94-52c2-8935-ae3a87e774db con 6f190e2c-dd90-5493-a799-9a1e4004ea3b 176.65.139.50:443 guuid=5d5cc7a4-1a00-0000-355e-f0406f090000 pid=2415->6f190e2c-dd90-5493-a799-9a1e4004ea3b send: 1360B guuid=ebb31fa5-1a00-0000-355e-f04071090000 pid=2417 /tmp/sample.bin guuid=5d5cc7a4-1a00-0000-355e-f0406f090000 pid=2415->guuid=ebb31fa5-1a00-0000-355e-f04071090000 pid=2417 clone guuid=f17742a5-1a00-0000-355e-f04073090000 pid=2419 /usr/bin/dash guuid=5d5cc7a4-1a00-0000-355e-f0406f090000 pid=2415->guuid=f17742a5-1a00-0000-355e-f04073090000 pid=2419 execve guuid=672dd1e8-1a00-0000-355e-f040050a0000 pid=2565 /usr/bin/dash guuid=5d5cc7a4-1a00-0000-355e-f0406f090000 pid=2415->guuid=672dd1e8-1a00-0000-355e-f040050a0000 pid=2565 execve guuid=e69ae13b-1b00-0000-355e-f040ea0a0000 pid=2794 /usr/bin/dash guuid=5d5cc7a4-1a00-0000-355e-f0406f090000 pid=2415->guuid=e69ae13b-1b00-0000-355e-f040ea0a0000 pid=2794 execve guuid=ea65313c-1b00-0000-355e-f040ed0a0000 pid=2797 /usr/bin/dash guuid=5d5cc7a4-1a00-0000-355e-f0406f090000 pid=2415->guuid=ea65313c-1b00-0000-355e-f040ed0a0000 pid=2797 execve guuid=964824a5-1a00-0000-355e-f04072090000 pid=2418 /tmp/sample.bin guuid=ebb31fa5-1a00-0000-355e-f04071090000 pid=2417->guuid=964824a5-1a00-0000-355e-f04072090000 pid=2418 clone guuid=b03d9e3c-1b00-0000-355e-f040f00a0000 pid=2800 /tmp/sample.bin guuid=ebb31fa5-1a00-0000-355e-f04071090000 pid=2417->guuid=b03d9e3c-1b00-0000-355e-f040f00a0000 pid=2800 clone guuid=eed59ca5-1a00-0000-355e-f04075090000 pid=2421 /usr/bin/systemctl guuid=f17742a5-1a00-0000-355e-f04073090000 pid=2419->guuid=eed59ca5-1a00-0000-355e-f04075090000 pid=2421 execve guuid=efd6fae8-1a00-0000-355e-f040070a0000 pid=2567 /usr/bin/systemctl guuid=672dd1e8-1a00-0000-355e-f040050a0000 pid=2565->guuid=efd6fae8-1a00-0000-355e-f040070a0000 pid=2567 execve guuid=a54a2132-1b00-0000-355e-f040c40a0000 pid=2756 /usr/bin/dash guuid=c8a5463a-1b00-0000-355e-f040e30a0000 pid=2787 /dev/shm/.kworkerd guuid=a54a2132-1b00-0000-355e-f040c40a0000 pid=2756->guuid=c8a5463a-1b00-0000-355e-f040e30a0000 pid=2787 execve guuid=db910a3c-1b00-0000-355e-f040ec0a0000 pid=2796 /usr/bin/dash guuid=e69ae13b-1b00-0000-355e-f040ea0a0000 pid=2794->guuid=db910a3c-1b00-0000-355e-f040ec0a0000 pid=2796 clone guuid=cf8b773c-1b00-0000-355e-f040ef0a0000 pid=2799 /usr/bin/dash guuid=ea65313c-1b00-0000-355e-f040ed0a0000 pid=2797->guuid=cf8b773c-1b00-0000-355e-f040ef0a0000 pid=2799 clone
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/fda6eec6-78a1-4c1f-ac1b-2950325a3876
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/df35ef64e2597eac8ca496beea82ceb595474ce5fcd02613efbf607607132328
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/df35ef64e2597eac8ca496beea82ceb595474ce5fcd02613efbf607607132328/
Threat name:
Linux.Backdoor.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2026-06-10 10:03:43 UTC
File Type:
ELF64 Little (Exe)
AV detection:
10 of 36 (27.78%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=34266zhclf7kzdfes27ovawowwkuothf7ticme7px5qhmbytemua._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
antivm defense_evasion discovery execution linux persistence privilege_escalation
Link:
https://tria.ge/reports/260610-l5f7vsgx4s/
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
Writes file to tmp directory
Changes its process name
Checks CPU configuration
Reads system network configuration
Creates/modifies Cron job
Enumerates active TCP sockets
Enumerates running processes
Modifies systemd
Reads MAC address of network interface
Deletes itself
Modifies Watchdog functionality
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/df35ef64e2597eac8ca496beea82ceb595474ce5fcd02613efbf607607132328

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:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
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:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
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 df35ef64e2597eac8ca496beea82ceb595474ce5fcd02613efbf607607132328

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3862334/
  
Delivery method
Distributed via web download

Comments