MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fc928ba3b7fb408a933c9e4854e0e74bf7de5a815818fd085e53d8b7247e5705. 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: 11


Intelligence 11 IOCs YARA 12 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fc928ba3b7fb408a933c9e4854e0e74bf7de5a815818fd085e53d8b7247e5705
SHA3-384 hash: 396a13eefa3492f545c1f116c2dac011aa634d1a3644d4bd1af0c478a5bdf80c79d423295dcd0b96d13f8364299a9423
SHA1 hash: ddf8495ac937daa51c405dc39f65abd37bbc0b15
MD5 hash: c18dde04115e587023e2e081ee0c91a5
humanhash: saturn-idaho-five-jig
File name:cron
Download: download sample
Signature Mirai
Create hunting rule
File size:125'633 bytes
First seen:2025-10-16 10:21:13 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:WbvGKPF90+Gr2bS2GnmEn/RT/50kGnXSqNGV7OecBlBuDP06z:+v9jEZJ/150LnXSgGV7OecBlBuDP0c
TLSH T1FAC33C46E743C2F7C8430AF21297E6AA4621FD3A4D3A8E4AF3187DB4EB318D8B115755
telfhash t1794186129e7897241fe3a924ecbd86734622572353256e72af3ac0cd54210a4e539d4f
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 :
56
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30541.LC.UNOFFICIAL
Create hunting rule

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

Unix.Trojan.Gafgyt-6981156-0
Create hunting rule

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

Result
Verdict:
Malware
Maliciousness:

Behaviour
Collects information on the OS
Opens a port
Kills processes
Collects information on the CPU
Runs as daemon
Creating a file
Sends data to a server
Connection attempt
Launching a process
Substitutes an application name
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gcc lolbin obfuscated remote threat
Link:
https://www.filescan.io/uploads/68f0c767fa4dfe10b8619bee/reports/6bc9d581-a7bc-46a7-a67b-7029002fa5fb/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-10-16T08:44:00Z UTC
Last seen:
2025-10-16T10:23:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/fc928ba3b7fb408a933c9e4854e0e74bf7de5a815818fd085e53d8b7247e5705/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/a24a23d4-c7e5-4ba9-a5b3-c2022262abac
Behavior Graph:
Download SVG
%3 guuid=30ace8ca-1600-0000-d581-1158150d0000 pid=3349 /usr/bin/sudo guuid=46e01fcd-1600-0000-d581-11581a0d0000 pid=3354 /tmp/sample.bin net guuid=30ace8ca-1600-0000-d581-1158150d0000 pid=3349->guuid=46e01fcd-1600-0000-d581-11581a0d0000 pid=3354 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=46e01fcd-1600-0000-d581-11581a0d0000 pid=3354->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=b1462dce-1600-0000-d581-11581f0d0000 pid=3359 /tmp/sample.bin write-file zombie guuid=46e01fcd-1600-0000-d581-11581a0d0000 pid=3354->guuid=b1462dce-1600-0000-d581-11581f0d0000 pid=3359 clone guuid=b8aa31ce-1600-0000-d581-1158200d0000 pid=3360 /tmp/sample.bin guuid=46e01fcd-1600-0000-d581-11581a0d0000 pid=3354->guuid=b8aa31ce-1600-0000-d581-1158200d0000 pid=3360 clone guuid=ff0936ce-1600-0000-d581-1158210d0000 pid=3361 /tmp/sample.bin guuid=46e01fcd-1600-0000-d581-11581a0d0000 pid=3354->guuid=ff0936ce-1600-0000-d581-1158210d0000 pid=3361 clone guuid=0c4483d0-1600-0000-d581-1158290d0000 pid=3369 /usr/bin/dash guuid=b1462dce-1600-0000-d581-11581f0d0000 pid=3359->guuid=0c4483d0-1600-0000-d581-1158290d0000 pid=3369 execve guuid=ab8d15d4-1600-0000-d581-1158360d0000 pid=3382 /usr/bin/dash guuid=b1462dce-1600-0000-d581-11581f0d0000 pid=3359->guuid=ab8d15d4-1600-0000-d581-1158360d0000 pid=3382 execve guuid=dfa9b5d5-1600-0000-d581-11583b0d0000 pid=3387 /usr/bin/dash guuid=b1462dce-1600-0000-d581-11581f0d0000 pid=3359->guuid=dfa9b5d5-1600-0000-d581-11583b0d0000 pid=3387 execve guuid=c571acd6-1600-0000-d581-11583d0d0000 pid=3389 /usr/bin/dash guuid=b1462dce-1600-0000-d581-11581f0d0000 pid=3359->guuid=c571acd6-1600-0000-d581-11583d0d0000 pid=3389 execve guuid=da4c90d7-1600-0000-d581-1158410d0000 pid=3393 /usr/bin/dash guuid=b1462dce-1600-0000-d581-11581f0d0000 pid=3359->guuid=da4c90d7-1600-0000-d581-1158410d0000 pid=3393 execve guuid=fc739dd8-1600-0000-d581-1158470d0000 pid=3399 /usr/bin/dash guuid=b1462dce-1600-0000-d581-11581f0d0000 pid=3359->guuid=fc739dd8-1600-0000-d581-1158470d0000 pid=3399 execve guuid=759289d9-1600-0000-d581-11584c0d0000 pid=3404 /usr/bin/dash guuid=b1462dce-1600-0000-d581-11581f0d0000 pid=3359->guuid=759289d9-1600-0000-d581-11584c0d0000 pid=3404 execve guuid=78df72da-1600-0000-d581-1158510d0000 pid=3409 /usr/bin/dash guuid=b1462dce-1600-0000-d581-11581f0d0000 pid=3359->guuid=78df72da-1600-0000-d581-1158510d0000 pid=3409 execve guuid=4ca145ce-1600-0000-d581-1158220d0000 pid=3362 /tmp/sample.bin net send-data zombie guuid=ff0936ce-1600-0000-d581-1158210d0000 pid=3361->guuid=4ca145ce-1600-0000-d581-1158220d0000 pid=3362 clone 6f711740-a9cc-5716-b8b7-a732833df8c0 176.65.139.133:65481 guuid=4ca145ce-1600-0000-d581-1158220d0000 pid=3362->6f711740-a9cc-5716-b8b7-a732833df8c0 send: 9B guuid=a9bccbd0-1600-0000-d581-11582b0d0000 pid=3371 /usr/bin/pgrep guuid=0c4483d0-1600-0000-d581-1158290d0000 pid=3369->guuid=a9bccbd0-1600-0000-d581-11582b0d0000 pid=3371 execve guuid=4bd26fd4-1600-0000-d581-1158380d0000 pid=3384 /usr/bin/killall guuid=ab8d15d4-1600-0000-d581-1158360d0000 pid=3382->guuid=4bd26fd4-1600-0000-d581-1158380d0000 pid=3384 execve guuid=7260e4d5-1600-0000-d581-11583c0d0000 pid=3388 /usr/bin/killall guuid=dfa9b5d5-1600-0000-d581-11583b0d0000 pid=3387->guuid=7260e4d5-1600-0000-d581-11583c0d0000 pid=3388 execve guuid=2e9ae0d6-1600-0000-d581-11583f0d0000 pid=3391 /usr/bin/killall guuid=c571acd6-1600-0000-d581-11583d0d0000 pid=3389->guuid=2e9ae0d6-1600-0000-d581-11583f0d0000 pid=3391 execve guuid=7f15d4d7-1600-0000-d581-1158430d0000 pid=3395 /usr/bin/killall guuid=da4c90d7-1600-0000-d581-1158410d0000 pid=3393->guuid=7f15d4d7-1600-0000-d581-1158430d0000 pid=3395 execve guuid=887dcad8-1600-0000-d581-1158490d0000 pid=3401 /usr/bin/killall guuid=fc739dd8-1600-0000-d581-1158470d0000 pid=3399->guuid=887dcad8-1600-0000-d581-1158490d0000 pid=3401 execve guuid=ecf4b3d9-1600-0000-d581-11584e0d0000 pid=3406 /usr/bin/killall guuid=759289d9-1600-0000-d581-11584c0d0000 pid=3404->guuid=ecf4b3d9-1600-0000-d581-11584e0d0000 pid=3406 execve guuid=dbb3a3da-1600-0000-d581-1158530d0000 pid=3411 /usr/bin/killall guuid=78df72da-1600-0000-d581-1158510d0000 pid=3409->guuid=dbb3a3da-1600-0000-d581-1158530d0000 pid=3411 execve
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/93acbba2-6469-4812-9790-614eeecd346e
Result
Threat name:
Gafgyt
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1796421
Signature
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
Contains symbols with names commonly found in malware
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
Suricata IDS alerts for network traffic
Terminates several processes with shell command 'killall'
Yara detected Gafgyt
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1796421 Sample: cron.elf Startdate: 16/10/2025 Architecture: LINUX Score: 96 49 176.65.139.133, 47038, 65481 PALTEL-ASPALTELAutonomousSystemPS Germany 2->49 51 169.254.169.254, 80 USDOSUS Reserved 2->51 53 3 other IPs or domains 2->53 57 Suricata IDS alerts for network traffic 2->57 59 Malicious sample detected (through community Yara rule) 2->59 61 Antivirus / Scanner detection for submitted sample 2->61 63 4 other signatures 2->63 9 cron.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 cron.elf 9->18         started        20 cron.elf 9->20         started        22 cron.elf 9->22         started        process6 process7 24 cron.elf sh 18->24         started        26 cron.elf sh 18->26         started        28 cron.elf sh 18->28         started        32 5 other processes 18->32 30 cron.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 2 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/fc928ba3b7fb408a933c9e4854e0e74bf7de5a815818fd085e53d8b7247e5705
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fc928ba3b7fb408a933c9e4854e0e74bf7de5a815818fd085e53d8b7247e5705/
Threat name:
Linux.Backdoor.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2025-10-16 11:19:39 UTC
AV detection:
21 of 38 (55.26%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7sjixi5x7naivez4tzefjyhhjp354wublamp2cc6kpmlojd6k4cq._file
Result
Malware family:
gafgyt
Create hunting rule
Score:
  10/10
Tags:
family:gafgyt antivm defense_evasion discovery linux
Link:
https://tria.ge/reports/251016-mec8ysdz7c/
Behaviour
Changes its process name
Checks CPU configuration
Reads system network configuration
Reads system routing table
Modifies Watchdog functionality
Verdict:
Malicious
Tags:
Unix.Trojan.Gafgyt-6981154-0
YARA:
n/a
Link:
https://app.threat.zone/submission/d38bc89f-62ea-41a1-93f5-c62233313ad6
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.99
Link:
https://yomi.yoroi.company/submissions/fc928ba3b7fb408a933c9e4854e0e74bf7de5a815818fd085e53d8b7247e5705

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: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_1b2e2a3a
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_27de1106
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_6122acdf
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_83715433
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_f51c5ac3
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: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 fc928ba3b7fb408a933c9e4854e0e74bf7de5a815818fd085e53d8b7247e5705

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3576545/
  
Delivery method
Distributed via web download

Comments