MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3f6cfadb698f450df2cdf6773d73ebce336eaa21bcd85e5e8271b382ac66841b. 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


Mirai


Vendor detections: 12


Intelligence 12 IOCs YARA 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3f6cfadb698f450df2cdf6773d73ebce336eaa21bcd85e5e8271b382ac66841b
SHA3-384 hash: 25958080c89d25e33d206236db521773f20f6a91adb982b2011f699d6cd19122b2f2b38bdca5289e9cbd2f0694f63964
SHA1 hash: 1ae5b420c226b5e25821aabc82af71eafc85d34c
MD5 hash: 9a3d7d1cf5d9d4a049cd5ef7e1e791c1
humanhash: tennis-stream-potato-nebraska
File name:s
Download: download sample
Signature Mirai
Create hunting rule
File size:204'761 bytes
First seen:2025-09-10 05:34:58 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:ElbS2Wa5R4QVDTo0LorgCxHKVr4M/9hiaTmqrwY922SVs:ElG2Wa/4QVDLLmLx4rB/TmqrF922SVs
TLSH T19A143908D6404B5BC2E227BBF68A429E33235F54A3D7331A5938BBB43BD2B591E36115
telfhash t1ed418a63997883242ff79924bcbc57b301226b2353567e726f35c5cc44160a1e53ad9f
Magika elf
Reporter abuse_ch
Tags:elf gafgyt mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
43
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.29052.TSource.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30541.LC.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7139229-0
Create hunting rule

Unix.Trojan.Mirai-9760303-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Creating a file
Attempts to kill processes by name
Collects information on the CPU
Launching a process
Connection attempt
Kills processes
Runs as daemon
Substitutes an application name
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
gcc rust
Link:
https://www.filescan.io/uploads/68c10e1ca1a41633174f605b/reports/6d30eb07-c636-4ddd-a5c9-041e0c101fe7/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
true
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
192
Number of processes launched:
20
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/3f6cfadb698f450df2cdf6773d73ebce336eaa21bcd85e5e8271b382ac66841b
Behaviour
Anti-VM
Process Renaming
Information Gathering
Botnet C2s
TCP botnet C2(s):
type:Gafgyt 206.123.145.140:65481
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-09-10T02:46:00Z UTC
Last seen:
2025-09-10T02:46:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.fz HEUR:Backdoor.Linux.Gafgyt.bj HEUR:Backdoor.Linux.Gafgyt.a
Link:
https://opentip.kaspersky.com/3f6cfadb698f450df2cdf6773d73ebce336eaa21bcd85e5e8271b382ac66841b/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/d0e3c02f-a8b4-4f32-80ef-35ee7e63c25a
Behavior Graph:
Download SVG
%3 guuid=a1d468ef-1900-0000-e0cf-fad6f6120000 pid=4854 /usr/bin/sudo guuid=d1d611f1-1900-0000-e0cf-fad6fd120000 pid=4861 /tmp/sample.bin guuid=a1d468ef-1900-0000-e0cf-fad6f6120000 pid=4854->guuid=d1d611f1-1900-0000-e0cf-fad6fd120000 pid=4861 execve
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/31d5b502-a171-4742-b6e1-846235cfa2cf
Result
Threat name:
Gafgyt
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/1774441
Signature
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
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
Terminates several processes with shell command 'killall'
Yara detected Gafgyt
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1774441 Sample: s.elf Startdate: 10/09/2025 Architecture: LINUX Score: 84 49 206.123.145.140, 56020, 65481 LEASEWEB-USA-NYC-11US United States 2->49 51 169.254.169.254, 80 USDOSUS Reserved 2->51 53 3 other IPs or domains 2->53 57 Malicious sample detected (through community Yara rule) 2->57 59 Antivirus / Scanner detection for submitted sample 2->59 61 Multi AV Scanner detection for submitted file 2->61 63 2 other signatures 2->63 9 s.elf 2->9         started        12 dash rm 2->12         started        14 dash rm 2->14         started        16 python3.8 dpkg 2->16         started        signatures3 process4 signatures5 65 Opens /proc/net/* files useful for finding connected devices and routers 9->65 18 s.elf 9->18         started        20 s.elf 9->20         started        22 s.elf 9->22         started        process6 process7 24 s.elf sh 18->24         started        26 s.elf sh 18->26         started        28 s.elf sh 18->28         started        32 21 other processes 18->32 30 s.elf 20->30         started        process8 34 sh killall 24->34         started        37 sh killall 26->37         started        39 sh killall 28->39         started        41 sh killall 32->41         started        43 sh killall 32->43         started        45 sh killall 32->45         started        47 18 other processes 32->47 signatures9 55 Terminates several processes with shell command 'killall' 34->55
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/3f6cfadb698f450df2cdf6773d73ebce336eaa21bcd85e5e8271b382ac66841b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3f6cfadb698f450df2cdf6773d73ebce336eaa21bcd85e5e8271b382ac66841b/
Verdict:
Malicious
Threat:
Family.GAFGYT
Link:
https://tip.neiki.dev/file/3f6cfadb698f450df2cdf6773d73ebce336eaa21bcd85e5e8271b382ac66841b
Threat name:
Linux.Trojan.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2025-09-10 05:36:39 UTC
File Type:
ELF32 Little (Exe)
AV detection:
19 of 36 (52.78%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=h5wpvw3jr5cq34wn6z3t247lzyzw5krbxtmf4xucogzyfldgqqnq._file
Result
Malware family:
gafgyt
Create hunting rule
Score:
  10/10
Tags:
family:gafgyt antivm defense_evasion discovery execution
Link:
https://tria.ge/reports/250910-gade9sej7y/
Behaviour
Command and Scripting Interpreter: Unix Shell
Reads runtime system information
Changes its process name
Checks CPU configuration
Reads system network configuration
Enumerates running processes
Reads system routing table
Modifies Watchdog functionality
Writes memory of remote process
Verdict:
Malicious
Tags:
trojan gafgyt Unix.Dropper.Mirai-7139229-0
YARA:
Linux_Trojan_Gafgyt_6a510422 Linux_Trojan_Gafgyt_d2953f92
Link:
https://app.threat.zone/submission/6991064a-ec45-43c1-aaeb-10d5ce27bfe5
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/3f6cfadb698f450df2cdf6773d73ebce336eaa21bcd85e5e8271b382ac66841b

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:ach_202503_elf_Mirai
Create hunting rule
Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
Rule name:botnet_plaintext_c2
Create hunting rule
Author:cip
Description:Attempts to match at least some of the strings used in some botnet variants which use plaintext communication protocols.
Rule name:CP_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
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:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:Linux_Gafgyt_Generic
Create hunting rule
Author:albertzsigovits
Description:Generic Approach to Mirai/Gafgyt samples
Rule name:Linux_Trojan_Gafgyt_6a510422
Create hunting rule
Author:Elastic Security
Reference:14cc92b99daa0c91aa09d9a7996ee5549a5cacd7be733960b2cf3681a7c2b628
Rule name:Linux_Trojan_Gafgyt_d2953f92
Create hunting rule
Author:Elastic Security
Reference:14cc92b99daa0c91aa09d9a7996ee5549a5cacd7be733960b2cf3681a7c2b628
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

Mirai

elf 3f6cfadb698f450df2cdf6773d73ebce336eaa21bcd85e5e8271b382ac66841b

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3576532/
  
Delivery method
Distributed via web download

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