MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5f5421cb72d0c879831ad58b1f073817c976cc8c68c9bba0a95f98065e379d7b. 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 26 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5f5421cb72d0c879831ad58b1f073817c976cc8c68c9bba0a95f98065e379d7b
SHA3-384 hash: 239b72f5bcec38c2179745f5971d20bcfc8ce03a2f06a50ce35861294f394b1b8aa25fdbf064eb2b7c89e8be4f53e16a
SHA1 hash: 4661146cad691de439271a46fe136d5541fc5f34
MD5 hash: 3f04c23c87496a45b5d6f50666a5bb94
humanhash: west-virginia-finch-uniform
File name:yakuza.x86
Download: download sample
Signature Gafgyt
Create hunting rule
File size:102'934 bytes
First seen:2026-01-18 19:20:29 UTC
Last seen:2026-01-19 07:25:36 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:Pd2nDFe2oeLOOtJYyhAD3rZSrlphai6OpTmHyVQX5A+u+cm:aqyhQ6phai6ORmHyVQX5A+u+cm
TLSH T194A36C1B6251C5FAC08756F62BDFA6615823F83A0B33710673D9BCA83F218C95E6E741
telfhash t1c421d043aab68a6c6ff3582498bc06b11592a6237250af70ef5ec1809d37002b475e8b
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 :
3
# of downloads :
39
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Unix.Trojan.Gafgyt-6981154-0
Create hunting rule

Unix.Dropper.Mirai-7139223-0
Create hunting rule

Unix.Dropper.Mirai-7139232-0
Create hunting rule

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

Unix.Proxy.Mirai-7844054-0
Create hunting rule

Unix.Trojan.Mirai-9864781-0
Create hunting rule

Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
gcc masquerade
Link:
https://www.filescan.io/uploads/696d3298584f1963ad5a4248/reports/53618381-0e1f-4a76-b4c2-d1d929dd0502/overview
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2026-01-18T04:15:00Z UTC
Last seen:
2026-01-19T12:53:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/5f5421cb72d0c879831ad58b1f073817c976cc8c68c9bba0a95f98065e379d7b/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/d3b06bb0-f583-493d-8527-8dccb0e72a41
Behavior Graph:
Download SVG
%3 guuid=7c4c0751-1900-0000-f842-2346b4080000 pid=2228 /usr/bin/sudo guuid=75efbc52-1900-0000-f842-2346b9080000 pid=2233 /tmp/sample.bin guuid=7c4c0751-1900-0000-f842-2346b4080000 pid=2228->guuid=75efbc52-1900-0000-f842-2346b9080000 pid=2233 execve guuid=e60fd252-1900-0000-f842-2346bb080000 pid=2235 /tmp/sample.bin guuid=75efbc52-1900-0000-f842-2346b9080000 pid=2233->guuid=e60fd252-1900-0000-f842-2346bb080000 pid=2235 clone guuid=1b9dd652-1900-0000-f842-2346bc080000 pid=2236 /tmp/sample.bin zombie guuid=e60fd252-1900-0000-f842-2346bb080000 pid=2235->guuid=1b9dd652-1900-0000-f842-2346bc080000 pid=2236 clone guuid=f2dae052-1900-0000-f842-2346bd080000 pid=2237 /tmp/sample.bin net zombie guuid=1b9dd652-1900-0000-f842-2346bc080000 pid=2236->guuid=f2dae052-1900-0000-f842-2346bd080000 pid=2237 clone fddcfd21-97bd-5f51-9415-03b210fd9508 103.211.218.101:23 guuid=f2dae052-1900-0000-f842-2346bd080000 pid=2237->fddcfd21-97bd-5f51-9415-03b210fd9508 con guuid=d4fc4a79-2100-0000-f842-234691140000 pid=5265 /tmp/sample.bin net zombie guuid=f2dae052-1900-0000-f842-2346bd080000 pid=2237->guuid=d4fc4a79-2100-0000-f842-234691140000 pid=5265 clone guuid=d4fc4a79-2100-0000-f842-234691140000 pid=5265->fddcfd21-97bd-5f51-9415-03b210fd9508 con
Malware family:
Gafgyt
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/304ecc1f-9ea6-4334-a7d2-292b1a046a77
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1853007
Signature
Antivirus / Scanner detection for submitted sample
Found malware configuration
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1853007 Sample: yakuza.x86.elf Startdate: 18/01/2026 Architecture: LINUX Score: 88 43 103.211.218.101, 23 PUBLIC-DOMAIN-REGISTRYUS Seychelles 2->43 45 169.254.169.254, 80 USDOSUS Reserved 2->45 47 daisy.ubuntu.com 2->47 49 Found malware configuration 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 Antivirus / Scanner detection for submitted sample 2->53 55 3 other signatures 2->55 15 yakuza.x86.elf 2->15         started        17 systemd snap-failure 2->17         started        19 python3.8 dpkg 2->19         started        signatures3 process4 process5 21 yakuza.x86.elf 15->21         started        23 snap-failure systemctl 17->23         started        25 snap-failure 17->25         started        process6 27 yakuza.x86.elf 21->27         started        process7 29 yakuza.x86.elf 27->29         started        process8 31 yakuza.x86.elf 29->31         started        process9 33 yakuza.x86.elf 31->33         started        process10 35 yakuza.x86.elf 33->35         started        process11 37 yakuza.x86.elf 35->37         started        process12 39 yakuza.x86.elf 37->39         started        process13 41 yakuza.x86.elf 39->41         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/5f5421cb72d0c879831ad58b1f073817c976cc8c68c9bba0a95f98065e379d7b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5f5421cb72d0c879831ad58b1f073817c976cc8c68c9bba0a95f98065e379d7b/
Threat name:
Linux.Trojan.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2026-01-18 14:16:01 UTC
File Type:
ELF64 Little (Exe)
AV detection:
27 of 37 (72.97%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=l5kcds3s2dehtay22wfr6bzyc7exntemnde3xifjl6mamxrxtv5q._file
Result
Malware family:
gafgyt
Create hunting rule
Score:
  10/10
Tags:
family:gafgyt linux
Link:
https://tria.ge/reports/260118-x2hr3aes3e/
Behaviour
Changes its process name
Malware Config
C2 Extraction:
103.211.218.101:23
Verdict:
Malicious
Tags:
trojan gafgyt Unix.Trojan.Gafgyt-6981154-0
YARA:
Linux_Trojan_Gafgyt_a6a2adb9 Linux_Trojan_Gafgyt_9e9530a7 Linux_Trojan_Gafgyt_f3d83a74 Linux_Trojan_Gafgyt_807911a2 Linux_Trojan_Gafgyt_e0673a90 Linux_Trojan_Gafgyt_a0a4de11 Linux_Trojan_Gafgyt_d4227dbf Linux_Trojan_Gafgyt_09c3070e Linux_Trojan_Gafgyt_d996d335 Linux_Trojan_Gafgyt_d0c57a2e Linux_Trojan_Gafgyt_656bf077 Linux_Trojan_Gafgyt_148b91a2 Linux_Trojan_Gafgyt_620087b9 Linux_Trojan_Gafgyt_dd0d6173 Linux_Trojan_Gafgyt_779e142f Linux_Trojan_Gafgyt_0cd591cd Linux_Trojan_Gafgyt_33b4111a Linux_Trojan_Gafgyt_32eb0c81 Linux_Trojan_Gafgyt_a33a8363
Link:
https://app.threat.zone/submission/f8031a53-fb89-456f-8264-e8290d7c2765
Please note that we are no longer able to provide a coverage score for Virus Total.

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:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
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_148b91a2
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_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_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_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:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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 5f5421cb72d0c879831ad58b1f073817c976cc8c68c9bba0a95f98065e379d7b

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3759956/
  
Delivery method
Distributed via web download

Comments