MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9121f3dee5b3920b03070f61844194823ce3240fb9185c22e9ab3553be6e998f. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9121f3dee5b3920b03070f61844194823ce3240fb9185c22e9ab3553be6e998f
SHA3-384 hash: 8421a2b006bea76b811547516737c2a6385ed11f4927a27013264527258a98adc5228baaeb552e64300138509e503d30
SHA1 hash: 1a15b98f63d6aa35a607f878ec5b8a55eba03630
MD5 hash: 0e510b6d1e81fe4a62d755fd354b34ee
humanhash: gee-river-comet-twelve
File name:m9x7k2v8b3.arm5
Download: download sample
Signature Mirai
Create hunting rule
File size:55'884 bytes
First seen:2025-11-20 17:23:59 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:nRpDfwhNTvjG82EFMH81AMLjRKbt5Z79:nRpDIhNTviTUZAZ79
TLSH T114432885FCD2996AC6D013BAA72F358E33A1B3E4D1CB3603CC945B21738968F1D66B50
telfhash t187e06140fe764b1844e75634ecdd07b49511211761664710cf54daf0883f118a31cd5e
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 mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 2c435aa90ca3e34078572097627afd1610f64fcec5e8cc08dad41df8762ef2e3
File size (compressed) :25'136 bytes
File size (de-compressed) :55'884 bytes
Format:linux/arm
Packed file: 2c435aa90ca3e34078572097627afd1610f64fcec5e8cc08dad41df8762ef2e3

Intelligence

File Origin
# of uploads :
1
# of downloads :
99
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Siggen.9999-6.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7100807-0
Create hunting rule

Unix.Dropper.Mirai-7135897-0
Create hunting rule

Unix.Dropper.Mirai-7135901-0
Create hunting rule

Unix.Dropper.Mirai-7135909-0
Create hunting rule

Unix.Trojan.Mirai-7135916-0
Create hunting rule

Unix.Dropper.Mirai-7135918-0
Create hunting rule

Unix.Dropper.Mirai-7135954-0
Create hunting rule

Unix.Dropper.Mirai-7136016-0
Create hunting rule

Unix.Dropper.Mirai-7136028-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

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

Unix.Dropper.Mirai-10007027-0
Create hunting rule

Unix.Trojan.Mirai-10009361-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gafgyt masquerade mirai obfuscated rust
Link:
https://www.filescan.io/uploads/691f4ecc3e905fdb1da1ed70/reports/59d97d32-87f7-4b98-8ff5-b3477f3676e8/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-11-20T15:33:00Z UTC
Last seen:
2025-11-20T17:13:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/9121f3dee5b3920b03070f61844194823ce3240fb9185c22e9ab3553be6e998f/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/c831895d-0c15-4bc2-8a8a-079c19d2119c
Behavior Graph:
Download SVG
%3 guuid=f6527c26-1a00-0000-c991-a2e26e0a0000 pid=2670 /usr/bin/sudo guuid=98198f28-1a00-0000-c991-a2e2750a0000 pid=2677 /tmp/sample.bin guuid=f6527c26-1a00-0000-c991-a2e26e0a0000 pid=2670->guuid=98198f28-1a00-0000-c991-a2e2750a0000 pid=2677 execve
Gathering data
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1818035
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/9121f3dee5b3920b03070f61844194823ce3240fb9185c22e9ab3553be6e998f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/9121f3dee5b3920b03070f61844194823ce3240fb9185c22e9ab3553be6e998f/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-11-20 17:24:34 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=seq7hxxfwojawayhb5qyiqmuqi6ogjapxemfyixjvm2vhptotghq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai
Link:
https://tria.ge/reports/251120-vyym1ahr8w/
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7100807-0
YARA:
n/a
Link:
https://app.threat.zone/submission/0a2e921d-520c-467f-836f-fb5c6b20ee87
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/9121f3dee5b3920b03070f61844194823ce3240fb9185c22e9ab3553be6e998f

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: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:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:SUSP_XORed_Mozilla_Oct19
Create hunting rule
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
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 2c435aa90ca3e34078572097627afd1610f64fcec5e8cc08dad41df8762ef2e3

Mirai

elf 9121f3dee5b3920b03070f61844194823ce3240fb9185c22e9ab3553be6e998f

(this sample)

  
Dropped by
SHA256 2c435aa90ca3e34078572097627afd1610f64fcec5e8cc08dad41df8762ef2e3
  
URLhaus
https://urlhaus.abuse.ch/url/3713003/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 27afbb3e24360da2ab29ae9ae6ff2760

Comments