MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 12f9ab0eb2d696ad93a48fd51117b05bf4512666dcbe4dd50de478bb2b4ce14f. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 12f9ab0eb2d696ad93a48fd51117b05bf4512666dcbe4dd50de478bb2b4ce14f
SHA3-384 hash: 5a5c140c8592b7750e2e685dc44bb4b6d960bf1fbec281a5a5fb67e6492efbd735fdc550df8231adf2bfc15a47dc758d
SHA1 hash: 5cd736a408f73bd9f33d358de2aa74bc6c30945e
MD5 hash: 9156d75bff5f883d4633738a2f7f8cad
humanhash: bakerloo-magnesium-carbon-twenty
File name:renji.mips
Download: download sample
Signature Mirai
Create hunting rule
File size:114'344 bytes
First seen:2025-10-05 03:09:23 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:O5xnJyCSgCqb+j5rod+jekcK+Pr2wIq3FIUOcTUpebJ7t4euaB6ZaT:6JdrbsrLcK+Pr2wIaIKdlueT
TLSH T177B3D80E6E218F7DF768C63057B74F21A35933D626E1D685E2ACD9041F6134E281FBA8
telfhash t10d21af6c497813f097754d9d1bedffb6e5a070de06362c338e01e96daa6c9425d00c1c
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 78efee6f5bb1e4d6c63cf1d0cc3995f7d0d7bbbef2a57bdeb3fadfd540da1406
File size (compressed) :43'164 bytes
File size (de-compressed) :114'388 bytes
Format:linux/mips
Packed file: 78efee6f5bb1e4d6c63cf1d0cc3995f7d0d7bbbef2a57bdeb3fadfd540da1406

Intelligence

File Origin
# of uploads :
1
# of downloads :
79
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Siggen.9999-6.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-10056451-0
Create hunting rule

Unix.Trojan.Mirai-10056463-0
Create hunting rule

Unix.Trojan.Mirai-10057788-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
DNS request
Changes access rights for a file
Runs as daemon
Changes access rights for a written file
Removes directories
Removes directories from a temporary directory
Sends data to a server
Connection attempt
Deleting a recently created file
Substitutes an application name
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
lolbin masquerade obfuscated remote threat
Link:
https://www.filescan.io/uploads/68e1e1725a3bccf09eb80fe1/reports/8da20e6d-baef-4545-8719-bda3dc438198/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
57
Number of processes launched:
6
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/12f9ab0eb2d696ad93a48fd51117b05bf4512666dcbe4dd50de478bb2b4ce14f
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-10-05T01:18:00Z UTC
Last seen:
2025-10-05T01:36:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/12f9ab0eb2d696ad93a48fd51117b05bf4512666dcbe4dd50de478bb2b4ce14f/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/84e84f6b-7d7d-444a-bbb9-62cc78718e9a
Behavior Graph:
Download SVG
%3 guuid=f27efd3e-1a00-0000-fcd2-d545fc080000 pid=2300 /usr/bin/sudo guuid=159a6141-1a00-0000-fcd2-d545fe080000 pid=2302 /tmp/sample.bin guuid=f27efd3e-1a00-0000-fcd2-d545fc080000 pid=2300->guuid=159a6141-1a00-0000-fcd2-d545fe080000 pid=2302 execve
Gathering data
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1789248
Signature
Antivirus / Scanner detection for submitted sample
Deletes system log files
Manipulation of devices in /dev
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1789248 Sample: renji.mips.elf Startdate: 05/10/2025 Architecture: LINUX Score: 64 25 wrxcnc.com 196.251.116.246, 2001, 45566, 45568 xneeloZA Seychelles 2->25 27 169.254.169.254, 80 USDOSUS Reserved 2->27 29 daisy.ubuntu.com 2->29 31 Antivirus / Scanner detection for submitted sample 2->31 33 Multi AV Scanner detection for submitted file 2->33 10 renji.mips.elf 2->10         started        12 python3.8 dpkg 2->12         started        signatures3 process4 process5 14 renji.mips.elf 10->14         started        process6 16 renji.mips.elf 14->16         started        process7 18 renji.mips.elf 16->18         started        process8 20 renji.mips.elf 18->20         started        23 renji.mips.elf 18->23         started        signatures9 35 Manipulation of devices in /dev 20->35 37 Deletes system log files 20->37
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/12f9ab0eb2d696ad93a48fd51117b05bf4512666dcbe4dd50de478bb2b4ce14f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/12f9ab0eb2d696ad93a48fd51117b05bf4512666dcbe4dd50de478bb2b4ce14f/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-10-05 03:10:14 UTC
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=cl42wdvs22lk3e5er7krcf5qlp2fcjtg3s7e3vin4r4lwk2m4fhq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai defense_evasion discovery
Link:
https://tria.ge/reports/251005-dnq2qsvks9/
Behaviour
Reads runtime system information
System Network Configuration Discovery
Changes its process name
Deletes log files
Enumerates running processes
Deletes Audit logs
Deletes system logs
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/2d0022c3-7484-457d-9c68-c5db421b9bb5
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/12f9ab0eb2d696ad93a48fd51117b05bf4512666dcbe4dd50de478bb2b4ce14f

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: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:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
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 78efee6f5bb1e4d6c63cf1d0cc3995f7d0d7bbbef2a57bdeb3fadfd540da1406

Mirai

elf 12f9ab0eb2d696ad93a48fd51117b05bf4512666dcbe4dd50de478bb2b4ce14f

(this sample)

  
Dropped by
SHA256 78efee6f5bb1e4d6c63cf1d0cc3995f7d0d7bbbef2a57bdeb3fadfd540da1406
  
URLhaus
https://urlhaus.abuse.ch/url/3624327/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 21603bd02e555bd84d27ae3c2c67669b
  
URLhaus
https://urlhaus.abuse.ch/url/3624324/
  
URLhaus
https://urlhaus.abuse.ch/url/3657413/

Comments