MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9f777b4fac1d52ac9d8ade02c38dd235ee858906e8b3f225d4f5cc9fbb53ea2c. 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: 8


Intelligence 8 IOCs YARA 20 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9f777b4fac1d52ac9d8ade02c38dd235ee858906e8b3f225d4f5cc9fbb53ea2c
SHA3-384 hash: 9c9b2573404a67220ce06bdc1e791ddfdec1504ed84642e8608a89d5b5d9f942f0871168c17cf1510dfe4ff3500fba25
SHA1 hash: fc2effc78cb85a54ca11371edfafbd0667e0d9a1
MD5 hash: a6f1665af6729bc55a0feb397189d4a3
humanhash: moon-illinois-item-helium
File name:kurayami.x86
Download: download sample
Signature Mirai
Create hunting rule
File size:141'676 bytes
First seen:2026-04-01 10:39:29 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:SS3mvDmaFrp0nvT6jr9abt5O0Ju/Lm2t:V3mbmaIhykCLd
TLSH T1F2D36CC4E64FD0F6E91211352176B7269A72FD3A113EDE83C3A89B62AC939C0D61735C
telfhash t179516bf6a67a1dec9b806803fb4f5721ed0ea77b316065fa49f625903232541037ac3d
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 ea61e090f64b28c641b4d7c1fd771082eaf91bec933242589e48f525cebb3da6
File size (compressed) :57'248 bytes
File size (de-compressed) :141'676 bytes
Format:linux/i386
Packed file: ea61e090f64b28c641b4d7c1fd771082eaf91bec933242589e48f525cebb3da6

Intelligence

File Origin
# of uploads :
1
# of downloads :
42
Origin country :
NL NL
Vendor Threat Intelligence
Gathering data
Detection(s):
Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7100807-0
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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

Unix.Trojan.Mirai-10028515-0
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Unix.Trojan.Mirai-10059006-0
Create hunting rule

Unix.Trojan.Mirai-10059216-0
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Connection attempt
Runs as daemon
Sends data to a server
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
gafgyt masquerade mirai obfuscated
Link:
https://www.filescan.io/uploads/69ccf61390759d6205c09581/reports/9c30fabc-1e94-4222-8fb6-d32c29e9fded/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
46
Number of processes launched:
6
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/9f777b4fac1d52ac9d8ade02c38dd235ee858906e8b3f225d4f5cc9fbb53ea2c
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Gathering data
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/2d153446-f125-42e4-a1c4-92d5f766598e
Behavior Graph:
Download SVG
%3 guuid=4a95820c-1800-0000-abc1-abd2720b0000 pid=2930 /usr/bin/sudo guuid=3b50090f-1800-0000-abc1-abd2790b0000 pid=2937 /tmp/sample.bin net guuid=4a95820c-1800-0000-abc1-abd2720b0000 pid=2930->guuid=3b50090f-1800-0000-abc1-abd2790b0000 pid=2937 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=3b50090f-1800-0000-abc1-abd2790b0000 pid=2937->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=66c23c0f-1800-0000-abc1-abd27a0b0000 pid=2938 /tmp/sample.bin guuid=3b50090f-1800-0000-abc1-abd2790b0000 pid=2937->guuid=66c23c0f-1800-0000-abc1-abd27a0b0000 pid=2938 clone guuid=f1c5b63b-1900-0000-abc1-abd2f10d0000 pid=3569 /tmp/sample.bin guuid=3b50090f-1800-0000-abc1-abd2790b0000 pid=2937->guuid=f1c5b63b-1900-0000-abc1-abd2f10d0000 pid=3569 clone guuid=f517c23b-1900-0000-abc1-abd2f20d0000 pid=3570 /tmp/sample.bin net send-data zombie guuid=3b50090f-1800-0000-abc1-abd2790b0000 pid=2937->guuid=f517c23b-1900-0000-abc1-abd2f20d0000 pid=3570 clone guuid=3621460f-1800-0000-abc1-abd27b0b0000 pid=2939 /tmp/sample.bin guuid=66c23c0f-1800-0000-abc1-abd27a0b0000 pid=2938->guuid=3621460f-1800-0000-abc1-abd27b0b0000 pid=2939 clone guuid=7af84d0f-1800-0000-abc1-abd27c0b0000 pid=2940 /tmp/sample.bin net send-data zombie guuid=66c23c0f-1800-0000-abc1-abd27a0b0000 pid=2938->guuid=7af84d0f-1800-0000-abc1-abd27c0b0000 pid=2940 clone guuid=7af84d0f-1800-0000-abc1-abd27c0b0000 pid=2940->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con 941f7832-eda7-5d49-a355-c48f57fc945d 142.248.80.144:6934 guuid=7af84d0f-1800-0000-abc1-abd27c0b0000 pid=2940->941f7832-eda7-5d49-a355-c48f57fc945d send: 2B guuid=f517c23b-1900-0000-abc1-abd2f20d0000 pid=3570->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=f517c23b-1900-0000-abc1-abd2f20d0000 pid=3570->941f7832-eda7-5d49-a355-c48f57fc945d send: 2B
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b84e276b-dd3e-487c-b396-89ab41eb091a
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/9f777b4fac1d52ac9d8ade02c38dd235ee858906e8b3f225d4f5cc9fbb53ea2c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/9f777b4fac1d52ac9d8ade02c38dd235ee858906e8b3f225d4f5cc9fbb53ea2c/
Gathering data
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=t53xwt5mdvjkzhmk3ybmhdosgxxilcig5cz7ejou6xgj7o2t5iwa._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai defense_evasion discovery linux
Link:
https://tria.ge/reports/260401-mqpq5abw6j/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
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/9f777b4fac1d52ac9d8ade02c38dd235ee858906e8b3f225d4f5cc9fbb53ea2c

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:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_5bf62ce4
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_389ee3e9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_804f8e7c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_93fc3657
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_99d78950
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_a68e498c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_ae9d0fa6
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_fa3ad9d0
Create hunting rule
Author:Elastic Security
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:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
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 ea61e090f64b28c641b4d7c1fd771082eaf91bec933242589e48f525cebb3da6

Mirai

elf 9f777b4fac1d52ac9d8ade02c38dd235ee858906e8b3f225d4f5cc9fbb53ea2c

(this sample)

  
Dropped by
SHA256 ea61e090f64b28c641b4d7c1fd771082eaf91bec933242589e48f525cebb3da6
  
URLhaus
https://urlhaus.abuse.ch/url/3808214/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 491586723dd5cdca284b1612b533d73f

Comments