MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 997e5bda037814e18527e2d744c92d25fcec712798254158bbd74fe50182d6d3. 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: 10


Intelligence 10 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 997e5bda037814e18527e2d744c92d25fcec712798254158bbd74fe50182d6d3
SHA3-384 hash: 6579c93da1ebdec19d2d409740d6387369fa78904b1a3136910e58e1776cb38ea96867e8fe8ad24305a485ad3c3ecc5e
SHA1 hash: 5f5107fb09b6b75e45656663e6c49ea19fd4141e
MD5 hash: 422161c276cdf653d0b400ed17ef2ae6
humanhash: uranus-batman-twelve-equal
File name:cutemips
Download: download sample
Signature Mirai
Create hunting rule
File size:182'136 bytes
First seen:2025-06-30 16:17:45 UTC
Last seen:2025-07-01 10:56:58 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:jKSy+fNpqgwfjW0IXoC2ncBKE+27EWssZiMpv13GQdA:jKSy+fNpqgwbW02oCkLu8sjp93GWA
TLSH T13204975E6E128F7DF668873447B78E25976833DA27E1D640E2ACC1101E6029E641FFEC
telfhash t16241c3180e7817f096356c5d499dfb76d6a330db3e262c378f51e86aa769a834d11c0c
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
2
# of downloads :
83
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.28940.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.28880.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30455.LC.BadVar.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.32133.LX.BOT.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-8041698-0
Create hunting rule

Unix.Trojan.Mirai-9441505-0
Create hunting rule

Unix.Trojan.Mirai-9945193-0
Create hunting rule

Unix.Trojan.Mirai-9946826-0
Create hunting rule

Unix.Dropper.Mirai-10008433-0
Create hunting rule

Unix.Trojan.Mirai-10011027-0
Create hunting rule

Unix.Trojan.Mirai-10011918-0
Create hunting rule

Unix.Trojan.Mirai-10028946-0
Create hunting rule

Verdict:
Clean
Score:
84.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6862b9bc0fceda814b4759af
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Receives data from a server
Sends data to a server
Connection attempt
Runs as daemon
Substitutes an application name
Deletes a system binary file
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
bash lolbin
Link:
https://www.filescan.io/uploads/6862b8d77423ff017c375d24/reports/0e999cee-b663-4ddd-b1ab-560459453a09/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
bulon.trumdvfb.com/skibidi
Number of open files:
38
Number of processes launched:
3
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/997e5bda037814e18527e2d744c92d25fcec712798254158bbd74fe50182d6d3
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
type:Moobot 103.149.252.178:47925
UDP botnet C2(s):
not identified
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/6366ead1-00ee-4f60-aaea-e8ee55412e68
Behavior Graph:
Download SVG
%3 guuid=5ad36ba3-1a00-0000-4e02-3501f4090000 pid=2548 /usr/bin/sudo guuid=9e7d58a6-1a00-0000-4e02-3501fa090000 pid=2554 /tmp/sample.bin guuid=5ad36ba3-1a00-0000-4e02-3501f4090000 pid=2548->guuid=9e7d58a6-1a00-0000-4e02-3501fa090000 pid=2554 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/f042343c-ce98-4462-960b-e24857290134
Result
Threat name:
Gafgyt, Mirai, Okiru
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1725722
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Gafgyt
Yara detected Mirai
Yara detected Okiru
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1725722 Sample: cutemips.elf Startdate: 30/06/2025 Architecture: LINUX Score: 96 30 Malicious sample detected (through community Yara rule) 2->30 32 Antivirus / Scanner detection for submitted sample 2->32 34 Multi AV Scanner detection for submitted file 2->34 36 3 other signatures 2->36 8 cutemips.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        process3 process4 14 cutemips.elf 8->14         started        process5 16 cutemips.elf 14->16         started        18 cutemips.elf 14->18         started        20 cutemips.elf 14->20         started        22 cutemips.elf 14->22         started        process6 24 cutemips.elf 16->24         started        26 cutemips.elf 18->26         started        28 cutemips.elf 20->28         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/997e5bda037814e18527e2d744c92d25fcec712798254158bbd74fe50182d6d3
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/997e5bda037814e18527e2d744c92d25fcec712798254158bbd74fe50182d6d3/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-06-30 16:18:22 UTC
File Type:
ELF32 Big (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=tf7fxwqdpakodbjh4llujsjnex6oy4jhtasucwf325h6kamc23jq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai discovery
Link:
https://tria.ge/reports/250630-tr3gya1sfx/
Behaviour
Reads runtime system information
System Network Configuration Discovery
Changes its process name
Enumerates running processes
Unexpected DNS network traffic destination
Creates a large amount of network flows
Verdict:
Malicious
Tags:
trojan gafgyt Unix.Trojan.Mirai-8041698-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Gafgyt_ea92cca8 Linux_Gafgyt_May_2024
Link:
https://app.threat.zone/submission/8ac8d78d-c643-49a2-80ea-9e0f3f0a7bbf
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Mirai
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/997e5bda037814e18527e2d744c92d25fcec712798254158bbd74fe50182d6d3

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_Yakuza
Create hunting rule
Author:NDA0E
Description:Yakuza botnet
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_3bcc1630
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_ea92cca8
Create hunting rule
Author:Elastic Security
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 997e5bda037814e18527e2d744c92d25fcec712798254158bbd74fe50182d6d3

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3562366/
  
Delivery method
Distributed via web download

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments