MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6b8920b3643b3259df7407e128c29d6b75ac6192f21ced887bd822c62d138596. 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 18 File information Comments

SHA256 hash: 6b8920b3643b3259df7407e128c29d6b75ac6192f21ced887bd822c62d138596
SHA3-384 hash: 38f4578f6df96984d817406c1621038f145e98f9ecc71a26d2bf13be1b5cf8c04011a674ac77f6999ea110bab73c3547
SHA1 hash: 44b82a2a522ea58f51e13f754800044b5444f3bd
MD5 hash: d478bf1d30dcd6a24b42fa7ad9c54efb
humanhash: finch-fruit-october-jig
File name:chernobyl.i586
Download: download sample
Signature Gafgyt
File size:82'407 bytes
First seen:2026-01-09 23:15:07 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:QuswQTk1Vr5hcIAx8QgBNzQZ8Stx0KXf/vUa2md+bVYz+UEcf/31:Qu/6kbr5hRAxLg5etxTPImMbVYz+Pcft
TLSH T12E833A82B781CAB3D48316B506DB9B110932F9FA1A0AEE16F36D3DF48E150C47A52F5D
telfhash t18311024271b68a296bb255309cbc42f51a5576233385bf75af0ec1c45537006aa38e8b
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 mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
40
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Connection attempt
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
gcc masquerade
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-09T21:27:00Z UTC
Last seen:
2026-01-10T00:21:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=d8c2d448-2100-0000-01a2-c6dfb20c0000 pid=3250 /usr/bin/sudo guuid=7d6b364b-2100-0000-01a2-c6dfb50c0000 pid=3253 /tmp/sample.bin net guuid=d8c2d448-2100-0000-01a2-c6dfb20c0000 pid=3250->guuid=7d6b364b-2100-0000-01a2-c6dfb50c0000 pid=3253 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=7d6b364b-2100-0000-01a2-c6dfb50c0000 pid=3253->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=16891a4c-2100-0000-01a2-c6dfb90c0000 pid=3257 /tmp/sample.bin guuid=7d6b364b-2100-0000-01a2-c6dfb50c0000 pid=3253->guuid=16891a4c-2100-0000-01a2-c6dfb90c0000 pid=3257 clone guuid=c8a3224c-2100-0000-01a2-c6dfba0c0000 pid=3258 /tmp/sample.bin net send-data zombie guuid=16891a4c-2100-0000-01a2-c6dfb90c0000 pid=3257->guuid=c8a3224c-2100-0000-01a2-c6dfba0c0000 pid=3258 clone 4a9b096e-58d1-5aad-a8b3-854303ae013b 151.243.109.71:606 guuid=c8a3224c-2100-0000-01a2-c6dfba0c0000 pid=3258->4a9b096e-58d1-5aad-a8b3-854303ae013b send: 27B
Result
Threat name:
Gafgyt, Mirai
Detection:
malicious
Classification:
spre.troj
Score:
96 / 100
Signature
Antivirus / Scanner detection for submitted sample
Contains symbols with names commonly found in malware
Found malware configuration
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Opens /proc/net/* files useful for finding connected devices and routers
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1847718 Sample: chernobyl.i586.elf Startdate: 10/01/2026 Architecture: LINUX Score: 96 21 169.254.169.254, 80 USDOSUS Reserved 2->21 23 151.243.109.71, 606 RASANAIR Iran (ISLAMIC Republic Of) 2->23 25 3 other IPs or domains 2->25 27 Found malware configuration 2->27 29 Malicious sample detected (through community Yara rule) 2->29 31 Antivirus / Scanner detection for submitted sample 2->31 33 4 other signatures 2->33 8 chernobyl.i586.elf 2->8         started        11 dash rm 2->11         started        13 dash rm 2->13         started        15 python3.8 dpkg 2->15         started        signatures3 process4 signatures5 35 Opens /proc/net/* files useful for finding connected devices and routers 8->35 17 chernobyl.i586.elf 8->17         started        process6 process7 19 chernobyl.i586.elf 17->19         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-01-09 23:16:59 UTC
File Type:
ELF32 Little (Exe)
AV detection:
25 of 36 (69.44%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:gafgyt discovery linux
Behaviour
Reads system network configuration
Reads system routing table
Malware Config
C2 Extraction:
151.243.109.71:606
Verdict:
Malicious
Tags:
botnet trojan gafgyt mirai Unix.Dropper.Mirai-7138855-0
YARA:
botnet_dayzddos Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Gafgyt_c573932b Linux_Trojan_Gafgyt_6122acdf Linux_Trojan_Gafgyt_ea92cca8 Linux_Trojan_Gafgyt_7167d08f Linux_Trojan_Mirai_389ee3e9 Linux_Gafgyt_May_2024
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:botnet_dayzddos
Author:NDA0E
Description:dayzddos botnet
Rule name:botnet_mortem_qbot_gafgyt
Author:cip
Description:Some strings that stand out from a publicly-available botnet source code (Mortem-qBot-Botnet-Src)
Rule name:botnet_Yakuza
Author:NDA0E
Description:Yakuza botnet
Rule name:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:ELF_Toriilike_persist
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:enterpriseapps2
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:gafgyt_ansi_beacon
Author:Liho
Description:Detects Gafgyt variant with custom ANSI-colored IP beacon
Reference:Custom bot variant using ANSI red in IP report string
Rule name:Linux_Gafgyt_Generic
Author:albertzsigovits
Description:Generic Approach to Mirai/Gafgyt samples
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_6122acdf
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_7167d08f
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_c573932b
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_ea92cca8
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_389ee3e9
Author:Elastic Security
Rule name:Mal_LNX_Gafgyt_Botnet_ELF
Author:Phatcharadol Thangplub
Description:Use to detect Gafgyt botnet, and there variants.
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:unixredflags3
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 6b8920b3643b3259df7407e128c29d6b75ac6192f21ced887bd822c62d138596

(this sample)

  
Delivery method
Distributed via web download

Comments