MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 57b80957748c76fc8d2ef4efa49b3a62fd95834ee48b5b571fa8d7f3183c1381. 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: 11


Intelligence 11 IOCs YARA 34 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 57b80957748c76fc8d2ef4efa49b3a62fd95834ee48b5b571fa8d7f3183c1381
SHA3-384 hash: b3ca9fcc9d511a1a236b387b74f17c4d9c0fcf83fafe739afd5417c2d25c7e5820eab3ba5935036a7678e05ae2bcfa71
SHA1 hash: 2b0c501d90f8de98f7c3492f9e72b2ae5b7185a7
MD5 hash: c3b4637d55e8074ce5f01004610bdd8d
humanhash: seventeen-three-single-charlie
File name:x86
Download: download sample
Signature Gafgyt
Create hunting rule
File size:114'825 bytes
First seen:2026-04-11 08:38:12 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:td0wrSAewzi+Xn+8Uhw6W+aPKJmDk1c8xF6KjW:7fO8IBPJmDk1c8xF6KjW
TLSH T1FDB31813B7B1DABEC08252B12BDB92F19423FD7D0732622B33957DA51B388D96D59302
telfhash t1ad210246a1f68a685ff368205dbc46b5199217273351af70af1984c01c7b002a939ecb
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):
Sanesecurity.Malware.29052.TSource.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Siggen.2205.UNOFFICIAL
Create hunting rule

Unix.Trojan.Gafgyt-6981154-0
Create hunting rule

Unix.Trojan.Tsunami-6981155-0
Create hunting rule

Unix.Dropper.Mirai-7138857-0
Create hunting rule

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

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Gains root access
Substitutes an application name
Gathering data
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
0
Number of processes launched:
5
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/57b80957748c76fc8d2ef4efa49b3a62fd95834ee48b5b571fa8d7f3183c1381
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
type:Gafgyt 45.156.87.140:1111
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2026-04-11T05:59:00Z UTC
Last seen:
2026-04-11T06:43:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/57b80957748c76fc8d2ef4efa49b3a62fd95834ee48b5b571fa8d7f3183c1381/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/43e843ae-88f9-4847-bf3d-a8a361ccebff
Behavior Graph:
Download SVG
%3 guuid=e5c24be3-1c00-0000-ad62-09b134080000 pid=2100 /usr/bin/sudo guuid=c10f3ae5-1c00-0000-ad62-09b13a080000 pid=2106 /tmp/sample.bin guuid=e5c24be3-1c00-0000-ad62-09b134080000 pid=2100->guuid=c10f3ae5-1c00-0000-ad62-09b13a080000 pid=2106 execve guuid=738d53e5-1c00-0000-ad62-09b13b080000 pid=2107 /tmp/sample.bin guuid=c10f3ae5-1c00-0000-ad62-09b13a080000 pid=2106->guuid=738d53e5-1c00-0000-ad62-09b13b080000 pid=2107 clone guuid=cff05ce5-1c00-0000-ad62-09b13c080000 pid=2108 /tmp/sample.bin zombie guuid=738d53e5-1c00-0000-ad62-09b13b080000 pid=2107->guuid=cff05ce5-1c00-0000-ad62-09b13c080000 pid=2108 clone guuid=8d2f64e5-1c00-0000-ad62-09b13d080000 pid=2109 /tmp/sample.bin net send-data zombie guuid=cff05ce5-1c00-0000-ad62-09b13c080000 pid=2108->guuid=8d2f64e5-1c00-0000-ad62-09b13d080000 pid=2109 clone 5937bdbc-fd58-5a7d-8239-ac5005962b3e 45.156.87.140:1111 guuid=8d2f64e5-1c00-0000-ad62-09b13d080000 pid=2109->5937bdbc-fd58-5a7d-8239-ac5005962b3e send: 95B guuid=8d7662e6-1c00-0000-ad62-09b13f080000 pid=2111 /tmp/sample.bin guuid=8d2f64e5-1c00-0000-ad62-09b13d080000 pid=2109->guuid=8d7662e6-1c00-0000-ad62-09b13f080000 pid=2111 clone
Malware family:
Gafgyt
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/846f91a5-a01f-4dec-b78e-45ca88b7a14a
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1896808
Signature
Antivirus / Scanner detection for submitted sample
Found malware configuration
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1896808 Sample: x86.elf Startdate: 11/04/2026 Architecture: LINUX Score: 100 22 45.156.87.140, 1111, 34792 SKYLINKNL Germany 2->22 24 169.254.169.254, 80 USDOSUS Reserved 2->24 26 daisy.ubuntu.com 2->26 28 Suricata IDS alerts for network traffic 2->28 30 Found malware configuration 2->30 32 Malicious sample detected (through community Yara rule) 2->32 34 4 other signatures 2->34 10 x86.elf 2->10         started        12 python3.8 dpkg 2->12         started        signatures3 process4 process5 14 x86.elf 10->14         started        process6 16 x86.elf 14->16         started        process7 18 x86.elf 16->18         started        process8 20 x86.elf 18->20         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/57b80957748c76fc8d2ef4efa49b3a62fd95834ee48b5b571fa8d7f3183c1381
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/57b80957748c76fc8d2ef4efa49b3a62fd95834ee48b5b571fa8d7f3183c1381/
Threat name:
Linux.Trojan.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2026-04-11 08:37:43 UTC
File Type:
ELF64 Little (Exe)
AV detection:
25 of 38 (65.79%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=k64asv3urr3pzdjo6tx2jgz2ml6zla2o4sfvwvy7vdl7ggb4coaq._file
Result
Malware family:
gafgyt
Create hunting rule
Score:
  10/10
Tags:
family:gafgyt defense_evasion linux
Link:
https://tria.ge/reports/260411-kjyz4sdy5z/
Behaviour
Changes its process name
Modifies Watchdog functionality
Malware Config
C2 Extraction:
45.156.87.140:1111
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.64
Link:
https://yomi.yoroi.company/submissions/57b80957748c76fc8d2ef4efa49b3a62fd95834ee48b5b571fa8d7f3183c1381

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:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
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:Linux_Gafgyt_Generic
Create hunting rule
Author:albertzsigovits
Description:Generic Approach to Mirai/Gafgyt samples
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_09c3070e
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_0cd591cd
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_31796a40
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_32eb0c81
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_33b4111a
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_46eec778
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_620087b9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_656bf077
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_779e142f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_807911a2
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_862c4e0e
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_9e9530a7
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_a0a4de11
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_a33a8363
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_a6a2adb9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_cf84c9f2
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_Gafgyt_dd0d6173
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_e0673a90
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_f3d83a74
Create hunting rule
Author:Elastic Security
Rule name:Mal_LNX_Gafgyt_Botnet_ELF
Create hunting rule
Author:Phatcharadol Thangplub
Description:Use to detect Gafgyt botnet, and there variants.
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:telebot_framework
Create hunting rule
Author:vietdx.mb
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 57b80957748c76fc8d2ef4efa49b3a62fd95834ee48b5b571fa8d7f3183c1381

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3816059/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3816091/
  
URLhaus
https://urlhaus.abuse.ch/url/3816094/

Comments