MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f04b1c89060f80a8f381421dcbd0a82f98107baef4333ba4ed1d0f8da707bfee. 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: f04b1c89060f80a8f381421dcbd0a82f98107baef4333ba4ed1d0f8da707bfee
SHA3-384 hash: 3393c33c1e37f2fae28a1f53dca3c4b27002ee0ab3061a4c68a98521620e6529c1a1e73f458e0825cff1cafdae63cfa1
SHA1 hash: d11657dbe83982886fc4cbbfea0c7cd87b77c6ca
MD5 hash: a353c057ad68d3964c8ae99c3e374a8f
humanhash: avocado-pluto-angel-march
File name:cron
Download: download sample
Signature Mirai
Create hunting rule
File size:137'698 bytes
First seen:2025-09-21 09:20:21 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:wNGJVWBk4VUe3QDo9J4OnvtsvDCYE/kSyOr3LgZfTrbZxqGC7qecBbQEDbo6z:ElmNx4Lg9PbfqGC7qecBbQEDboc
TLSH T1E1D35D86E743C1F3C8420AF22297A56A49717D3B5D3A8D4AF7187DB4AB31CDC3129B94
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 OS
Opens a port
Kills processes
Collects information on the CPU
Runs as daemon
Creating a file
Connection attempt
Launching a process
Substitutes an application name
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
gcc
Link:
https://www.filescan.io/uploads/68cfc36a73af424b47e91bbb/reports/6a20ca7d-64f3-4081-b136-75b356807462/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
1
Number of processes launched:
5
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/f04b1c89060f80a8f381421dcbd0a82f98107baef4333ba4ed1d0f8da707bfee
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-09-21T06:27:00Z UTC
Last seen:
2025-09-21T06:27:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Gafgyt.fz HEUR:Backdoor.Linux.Gafgyt.cq HEUR:Backdoor.Linux.Gafgyt.bj HEUR:Backdoor.Linux.Gafgyt.a
Link:
https://opentip.kaspersky.com/f04b1c89060f80a8f381421dcbd0a82f98107baef4333ba4ed1d0f8da707bfee/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/ca145061-f2ea-4c92-8f7b-8ed16dd4029a
Behavior Graph:
Download SVG
%3 guuid=03693e13-1800-0000-6058-5ec60b0d0000 pid=3339 /usr/bin/sudo guuid=fafe7615-1800-0000-6058-5ec60e0d0000 pid=3342 /tmp/sample.bin net guuid=03693e13-1800-0000-6058-5ec60b0d0000 pid=3339->guuid=fafe7615-1800-0000-6058-5ec60e0d0000 pid=3342 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=fafe7615-1800-0000-6058-5ec60e0d0000 pid=3342->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=dfde6716-1800-0000-6058-5ec6120d0000 pid=3346 /tmp/sample.bin write-file zombie guuid=fafe7615-1800-0000-6058-5ec60e0d0000 pid=3342->guuid=dfde6716-1800-0000-6058-5ec6120d0000 pid=3346 clone guuid=bfe36a16-1800-0000-6058-5ec6130d0000 pid=3347 /tmp/sample.bin guuid=fafe7615-1800-0000-6058-5ec60e0d0000 pid=3342->guuid=bfe36a16-1800-0000-6058-5ec6130d0000 pid=3347 clone guuid=108f6f16-1800-0000-6058-5ec6140d0000 pid=3348 /tmp/sample.bin guuid=fafe7615-1800-0000-6058-5ec60e0d0000 pid=3342->guuid=108f6f16-1800-0000-6058-5ec6140d0000 pid=3348 clone guuid=1c4da318-1800-0000-6058-5ec61c0d0000 pid=3356 /usr/bin/dash guuid=dfde6716-1800-0000-6058-5ec6120d0000 pid=3346->guuid=1c4da318-1800-0000-6058-5ec61c0d0000 pid=3356 execve guuid=1ae3121c-1800-0000-6058-5ec6290d0000 pid=3369 /usr/bin/dash guuid=dfde6716-1800-0000-6058-5ec6120d0000 pid=3346->guuid=1ae3121c-1800-0000-6058-5ec6290d0000 pid=3369 execve guuid=f9881c1d-1800-0000-6058-5ec62f0d0000 pid=3375 /usr/bin/dash guuid=dfde6716-1800-0000-6058-5ec6120d0000 pid=3346->guuid=f9881c1d-1800-0000-6058-5ec62f0d0000 pid=3375 execve guuid=3057021e-1800-0000-6058-5ec6330d0000 pid=3379 /usr/bin/dash guuid=dfde6716-1800-0000-6058-5ec6120d0000 pid=3346->guuid=3057021e-1800-0000-6058-5ec6330d0000 pid=3379 execve guuid=179e1a1f-1800-0000-6058-5ec6360d0000 pid=3382 /usr/bin/dash guuid=dfde6716-1800-0000-6058-5ec6120d0000 pid=3346->guuid=179e1a1f-1800-0000-6058-5ec6360d0000 pid=3382 execve guuid=096d1820-1800-0000-6058-5ec63a0d0000 pid=3386 /usr/bin/dash guuid=dfde6716-1800-0000-6058-5ec6120d0000 pid=3346->guuid=096d1820-1800-0000-6058-5ec63a0d0000 pid=3386 execve guuid=dbb91421-1800-0000-6058-5ec63f0d0000 pid=3391 /usr/bin/dash guuid=dfde6716-1800-0000-6058-5ec6120d0000 pid=3346->guuid=dbb91421-1800-0000-6058-5ec63f0d0000 pid=3391 execve guuid=8a9d4c22-1800-0000-6058-5ec6460d0000 pid=3398 /usr/bin/dash guuid=dfde6716-1800-0000-6058-5ec6120d0000 pid=3346->guuid=8a9d4c22-1800-0000-6058-5ec6460d0000 pid=3398 execve guuid=a2f77316-1800-0000-6058-5ec6160d0000 pid=3350 /tmp/sample.bin net zombie guuid=108f6f16-1800-0000-6058-5ec6140d0000 pid=3348->guuid=a2f77316-1800-0000-6058-5ec6160d0000 pid=3350 clone abac7722-d114-5c08-b8bf-ba5c3b07cd9f 45.90.97.173:65481 guuid=a2f77316-1800-0000-6058-5ec6160d0000 pid=3350->abac7722-d114-5c08-b8bf-ba5c3b07cd9f con ef683dea-9080-56ba-a0f2-4dcc73c9c5ea 45.90.97.140:65481 guuid=a2f77316-1800-0000-6058-5ec6160d0000 pid=3350->ef683dea-9080-56ba-a0f2-4dcc73c9c5ea con guuid=b1a3d018-1800-0000-6058-5ec61e0d0000 pid=3358 /usr/bin/pgrep guuid=1c4da318-1800-0000-6058-5ec61c0d0000 pid=3356->guuid=b1a3d018-1800-0000-6058-5ec61e0d0000 pid=3358 execve guuid=52f8411c-1800-0000-6058-5ec62b0d0000 pid=3371 /usr/bin/killall guuid=1ae3121c-1800-0000-6058-5ec6290d0000 pid=3369->guuid=52f8411c-1800-0000-6058-5ec62b0d0000 pid=3371 execve guuid=1943491d-1800-0000-6058-5ec6300d0000 pid=3376 /usr/bin/killall guuid=f9881c1d-1800-0000-6058-5ec62f0d0000 pid=3375->guuid=1943491d-1800-0000-6058-5ec6300d0000 pid=3376 execve guuid=a6df301e-1800-0000-6058-5ec6340d0000 pid=3380 /usr/bin/killall guuid=3057021e-1800-0000-6058-5ec6330d0000 pid=3379->guuid=a6df301e-1800-0000-6058-5ec6340d0000 pid=3380 execve guuid=0b1d571f-1800-0000-6058-5ec6370d0000 pid=3383 /usr/bin/killall guuid=179e1a1f-1800-0000-6058-5ec6360d0000 pid=3382->guuid=0b1d571f-1800-0000-6058-5ec6370d0000 pid=3383 execve guuid=5aeb4520-1800-0000-6058-5ec63b0d0000 pid=3387 /usr/bin/killall guuid=096d1820-1800-0000-6058-5ec63a0d0000 pid=3386->guuid=5aeb4520-1800-0000-6058-5ec63b0d0000 pid=3387 execve guuid=c7045221-1800-0000-6058-5ec6410d0000 pid=3393 /usr/bin/killall guuid=dbb91421-1800-0000-6058-5ec63f0d0000 pid=3391->guuid=c7045221-1800-0000-6058-5ec6410d0000 pid=3393 execve guuid=bca08822-1800-0000-6058-5ec6470d0000 pid=3399 /usr/bin/killall guuid=8a9d4c22-1800-0000-6058-5ec6460d0000 pid=3398->guuid=bca08822-1800-0000-6058-5ec6470d0000 pid=3399 execve
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/787233cb-6a53-4dc0-a746-6fcb25463131
Result
Threat name:
Gafgyt
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1781457
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
Terminates several processes with shell command 'killall'
Yara detected Gafgyt
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1781457 Sample: cron.elf Startdate: 21/09/2025 Architecture: LINUX Score: 88 45 45.90.97.140, 65481 MEER-ASmeerfarbigGmbHCoKGDE Germany 2->45 47 45.90.97.173, 65481 MEER-ASmeerfarbigGmbHCoKGDE Germany 2->47 49 2 other IPs or domains 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 Antivirus / Scanner detection for submitted sample 2->53 55 Multi AV Scanner detection for submitted file 2->55 57 3 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 5 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 2 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/f04b1c89060f80a8f381421dcbd0a82f98107baef4333ba4ed1d0f8da707bfee
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f04b1c89060f80a8f381421dcbd0a82f98107baef4333ba4ed1d0f8da707bfee/
Verdict:
Malicious
Threat:
Family.GAFGYT
Link:
https://tip.neiki.dev/file/f04b1c89060f80a8f381421dcbd0a82f98107baef4333ba4ed1d0f8da707bfee
Threat name:
Linux.Backdoor.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2025-09-21 09:20:38 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=6bfrzcigb6akr44biio4xufif6mba65o6qztxjhnduhy3jyhx7xa._file
Result
Malware family:
gafgyt
Create hunting rule
Score:
  10/10
Tags:
family:gafgyt defense_evasion discovery linux
Link:
https://tria.ge/reports/250921-la3glsgq5w/
Behaviour
Changes its process name
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/8991edea-5684-46e9-ab1c-ad888a5ee9c2
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/f04b1c89060f80a8f381421dcbd0a82f98107baef4333ba4ed1d0f8da707bfee

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 f04b1c89060f80a8f381421dcbd0a82f98107baef4333ba4ed1d0f8da707bfee

(this sample)

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

Comments