MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fbf6aa7e39dc5ed7274229f71e62659cf0a0ae0a406c5c586ce8be12667e23e0. 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: 14


Intelligence 14 IOCs YARA 15 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fbf6aa7e39dc5ed7274229f71e62659cf0a0ae0a406c5c586ce8be12667e23e0
SHA3-384 hash: f2ca52301ed1d53f1f86da033a40cc707b80f1e2e9c713af297345895ff2c3c76537e3910992e8ded712de316a655080
SHA1 hash: 3f63b39ed5c9e41662f18decdaf759950078791a
MD5 hash: e196831149bbd2ff306fd22209d73c45
humanhash: quebec-emma-tennis-whiskey
File name:cron
Download: download sample
Signature Mirai
Create hunting rule
File size:137'634 bytes
First seen:2025-09-22 09:27:51 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:moiaUECj9EOri3FSzTRBUObI8vjwsFkifFD7TsVapXove6zGC7qecBbQEDbo6z:9i15lTsgNx6zGC7qecBbQEDboc
TLSH T189D35C86E703C1F3C84206F22297A66A49617D3B5D3A9D4AF7187DB4EB71CCC3129B94
telfhash t1a64174529d7887242ff39928acad87b30222662353367f72af39c4cc54220a1e539d4f
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 :
53
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.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 CPU
Receives data from a server
Creating a file
Runs as daemon
Connection attempt
Opens a port
Launching a process
Kills processes
Sends data to a server
Collects information on the OS
Substitutes an application name
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
gcc
Link:
https://www.filescan.io/uploads/68d116b5390649f7a5f4f6df/reports/27941fb1-200e-48c3-884d-43d8e7e52975/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
2
Number of processes launched:
5
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/fbf6aa7e39dc5ed7274229f71e62659cf0a0ae0a406c5c586ce8be12667e23e0
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
type:Gafgyt 45.90.97.173:65481
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-09-22T06:37:00Z UTC
Last seen:
2025-09-22T06:37:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Gafgyt.cq HEUR:Backdoor.Linux.Gafgyt.bj HEUR:Backdoor.Linux.Gafgyt.a HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Gafgyt.fz
Link:
https://opentip.kaspersky.com/fbf6aa7e39dc5ed7274229f71e62659cf0a0ae0a406c5c586ce8be12667e23e0/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/fd97d729-5144-4364-8deb-18a0eac45fbf
Behavior Graph:
Download SVG
%3 guuid=64641964-1600-0000-9b12-fc0a7e0c0000 pid=3198 /usr/bin/sudo guuid=ea188967-1600-0000-9b12-fc0a7f0c0000 pid=3199 /tmp/sample.bin net guuid=64641964-1600-0000-9b12-fc0a7e0c0000 pid=3198->guuid=ea188967-1600-0000-9b12-fc0a7f0c0000 pid=3199 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=ea188967-1600-0000-9b12-fc0a7f0c0000 pid=3199->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=59ffb968-1600-0000-9b12-fc0a800c0000 pid=3200 /tmp/sample.bin write-file zombie guuid=ea188967-1600-0000-9b12-fc0a7f0c0000 pid=3199->guuid=59ffb968-1600-0000-9b12-fc0a800c0000 pid=3200 clone guuid=f1e9bd68-1600-0000-9b12-fc0a810c0000 pid=3201 /tmp/sample.bin guuid=ea188967-1600-0000-9b12-fc0a7f0c0000 pid=3199->guuid=f1e9bd68-1600-0000-9b12-fc0a810c0000 pid=3201 clone guuid=bab7c268-1600-0000-9b12-fc0a820c0000 pid=3202 /tmp/sample.bin guuid=ea188967-1600-0000-9b12-fc0a7f0c0000 pid=3199->guuid=bab7c268-1600-0000-9b12-fc0a820c0000 pid=3202 clone guuid=190f3c6b-1600-0000-9b12-fc0a840c0000 pid=3204 /usr/bin/dash guuid=59ffb968-1600-0000-9b12-fc0a800c0000 pid=3200->guuid=190f3c6b-1600-0000-9b12-fc0a840c0000 pid=3204 execve guuid=bf7a606f-1600-0000-9b12-fc0a860c0000 pid=3206 /usr/bin/dash guuid=59ffb968-1600-0000-9b12-fc0a800c0000 pid=3200->guuid=bf7a606f-1600-0000-9b12-fc0a860c0000 pid=3206 execve guuid=55d3a870-1600-0000-9b12-fc0a890c0000 pid=3209 /usr/bin/dash guuid=59ffb968-1600-0000-9b12-fc0a800c0000 pid=3200->guuid=55d3a870-1600-0000-9b12-fc0a890c0000 pid=3209 execve guuid=e5836772-1600-0000-9b12-fc0a8f0c0000 pid=3215 /usr/bin/dash guuid=59ffb968-1600-0000-9b12-fc0a800c0000 pid=3200->guuid=e5836772-1600-0000-9b12-fc0a8f0c0000 pid=3215 execve guuid=734a9673-1600-0000-9b12-fc0a940c0000 pid=3220 /usr/bin/dash guuid=59ffb968-1600-0000-9b12-fc0a800c0000 pid=3200->guuid=734a9673-1600-0000-9b12-fc0a940c0000 pid=3220 execve guuid=23df0b75-1600-0000-9b12-fc0a9a0c0000 pid=3226 /usr/bin/dash guuid=59ffb968-1600-0000-9b12-fc0a800c0000 pid=3200->guuid=23df0b75-1600-0000-9b12-fc0a9a0c0000 pid=3226 execve guuid=4741f775-1600-0000-9b12-fc0a9f0c0000 pid=3231 /usr/bin/dash guuid=59ffb968-1600-0000-9b12-fc0a800c0000 pid=3200->guuid=4741f775-1600-0000-9b12-fc0a9f0c0000 pid=3231 execve guuid=af6f0377-1600-0000-9b12-fc0aa10c0000 pid=3233 /usr/bin/dash guuid=59ffb968-1600-0000-9b12-fc0a800c0000 pid=3200->guuid=af6f0377-1600-0000-9b12-fc0aa10c0000 pid=3233 execve guuid=d7c5c868-1600-0000-9b12-fc0a830c0000 pid=3203 /tmp/sample.bin net send-data zombie guuid=bab7c268-1600-0000-9b12-fc0a820c0000 pid=3202->guuid=d7c5c868-1600-0000-9b12-fc0a830c0000 pid=3203 clone abac7722-d114-5c08-b8bf-ba5c3b07cd9f 45.90.97.173:65481 guuid=d7c5c868-1600-0000-9b12-fc0a830c0000 pid=3203->abac7722-d114-5c08-b8bf-ba5c3b07cd9f send: 14B guuid=8a73ab6b-1600-0000-9b12-fc0a850c0000 pid=3205 /usr/bin/pgrep guuid=190f3c6b-1600-0000-9b12-fc0a840c0000 pid=3204->guuid=8a73ab6b-1600-0000-9b12-fc0a850c0000 pid=3205 execve guuid=2f9e926f-1600-0000-9b12-fc0a880c0000 pid=3208 /usr/bin/killall guuid=bf7a606f-1600-0000-9b12-fc0a860c0000 pid=3206->guuid=2f9e926f-1600-0000-9b12-fc0a880c0000 pid=3208 execve guuid=ea68dc70-1600-0000-9b12-fc0a8a0c0000 pid=3210 /usr/bin/killall guuid=55d3a870-1600-0000-9b12-fc0a890c0000 pid=3209->guuid=ea68dc70-1600-0000-9b12-fc0a8a0c0000 pid=3210 execve guuid=386bc672-1600-0000-9b12-fc0a910c0000 pid=3217 /usr/bin/killall guuid=e5836772-1600-0000-9b12-fc0a8f0c0000 pid=3215->guuid=386bc672-1600-0000-9b12-fc0a910c0000 pid=3217 execve guuid=2863bb73-1600-0000-9b12-fc0a950c0000 pid=3221 /usr/bin/killall guuid=734a9673-1600-0000-9b12-fc0a940c0000 pid=3220->guuid=2863bb73-1600-0000-9b12-fc0a950c0000 pid=3221 execve guuid=76753275-1600-0000-9b12-fc0a9c0c0000 pid=3228 /usr/bin/killall guuid=23df0b75-1600-0000-9b12-fc0a9a0c0000 pid=3226->guuid=76753275-1600-0000-9b12-fc0a9c0c0000 pid=3228 execve guuid=78e02576-1600-0000-9b12-fc0aa00c0000 pid=3232 /usr/bin/killall guuid=4741f775-1600-0000-9b12-fc0a9f0c0000 pid=3231->guuid=78e02576-1600-0000-9b12-fc0aa00c0000 pid=3232 execve guuid=2f564e77-1600-0000-9b12-fc0aa20c0000 pid=3234 /usr/bin/killall guuid=af6f0377-1600-0000-9b12-fc0aa10c0000 pid=3233->guuid=2f564e77-1600-0000-9b12-fc0aa20c0000 pid=3234 execve
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/341a67d8-e514-4f8f-a008-e820ccb221af
Result
Threat name:
Gafgyt
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1781856
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: 1781856 Sample: cron.elf Startdate: 22/09/2025 Architecture: LINUX Score: 96 45 45.90.97.173, 55410, 55412, 55414 MEER-ASmeerfarbigGmbHCoKGDE Germany 2->45 47 169.254.169.254, 80 USDOSUS Reserved 2->47 49 3 other IPs or domains 2->49 51 Suricata IDS alerts for network traffic 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 Antivirus / Scanner detection for submitted sample 2->55 57 4 other signatures 2->57 9 cron.elf 2->9         started        12 python3.8 dpkg 2->12         started        signatures3 process4 signatures5 59 Opens /proc/net/* files useful for finding connected devices and routers 9->59 14 cron.elf 9->14         started        16 cron.elf 9->16         started        18 cron.elf 9->18         started        process6 process7 20 cron.elf sh 14->20         started        22 cron.elf sh 14->22         started        24 cron.elf sh 14->24         started        28 13 other processes 14->28 26 cron.elf 16->26         started        process8 30 sh killall 20->30         started        33 sh killall 22->33         started        35 sh killall 24->35         started        37 sh killall 28->37         started        39 sh killall 28->39         started        41 sh killall 28->41         started        43 10 other processes 28->43 signatures9 61 Terminates several processes with shell command 'killall' 30->61
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/fbf6aa7e39dc5ed7274229f71e62659cf0a0ae0a406c5c586ce8be12667e23e0
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/fbf6aa7e39dc5ed7274229f71e62659cf0a0ae0a406c5c586ce8be12667e23e0/
Verdict:
Malicious
Threat:
Family.GAFGYT
Link:
https://tip.neiki.dev/file/fbf6aa7e39dc5ed7274229f71e62659cf0a0ae0a406c5c586ce8be12667e23e0
Threat name:
Linux.Backdoor.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2025-09-22 09:28:21 UTC
File Type:
ELF32 Little (Exe)
AV detection:
21 of 38 (55.26%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7p3ku7rz3rpnoj2cfh3r4ytfttykblqkibwfywdm5c7bezt6epqa._file
Result
Malware family:
gafgyt
Create hunting rule
Score:
  10/10
Tags:
family:gafgyt antivm defense_evasion discovery linux
Link:
https://tria.ge/reports/250922-lfggbszwav/
Behaviour
Changes its process name
Checks CPU configuration
Reads system network configuration
Reads system routing table
Modifies Watchdog functionality
Verdict:
Malicious
Tags:
trojan gafgyt Unix.Trojan.Gafgyt-6981154-0
YARA:
Linux_Trojan_Gafgyt_83715433 Linux_Trojan_Gafgyt_6122acdf Linux_Trojan_Gafgyt_f51c5ac3 Linux_Trojan_Gafgyt_27de1106 Linux_Trojan_Gafgyt_1b2e2a3a
Link:
https://app.threat.zone/submission/30b93968-9889-41d6-9847-84d2827b1718
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/fbf6aa7e39dc5ed7274229f71e62659cf0a0ae0a406c5c586ce8be12667e23e0

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:generic_IG_stealer
Create hunting rule
Author:RE4rensics
Description:Detects stealers that interacts with IG endpoints after stealing IG cookies
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 fbf6aa7e39dc5ed7274229f71e62659cf0a0ae0a406c5c586ce8be12667e23e0

(this sample)

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

Comments