MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 28431f20f4d2f4b0bfb1b53074dc294bfaf51a06837ce2d6413128965de6cec6. 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: 11


Intelligence 11 IOCs YARA 15 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 28431f20f4d2f4b0bfb1b53074dc294bfaf51a06837ce2d6413128965de6cec6
SHA3-384 hash: f3e5e0f11ea253227861300d184d8c271a052401942de2765ccbe99fafd71e73bb7c2dc1d4735a7306761a1a14915514
SHA1 hash: 6ffc92db77c515edac60cba632ea629745eceb3e
MD5 hash: b40d5fe392cbdedffaf2820c7fc636b4
humanhash: early-failed-table-louisiana
File name:x86_64
Download: download sample
Signature Mirai
Create hunting rule
File size:209'352 bytes
First seen:2025-12-26 06:07:28 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:45Ii/z1d/kqkPZwYYWjYQcUSk/Al5ZhBBBBBBBBBBBBBBBBBcBBBBBBBJBBBOBBS:Ua7ZjYc/Aln
TLSH T167145B07B5C080FEC499C1B84BFFB53AD972B45E1238B29B6794AF222E4DE701B2D545
telfhash t17051ca742da8791c61d6c659b34fee2dfdb209151ed9b1a4bf07bdd08c47b880c62066
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 a0eae874e5215f4361d71e4859465d894bd2da47d1f662b034d22078e2cbe3b1
File size (compressed) :74'852 bytes
File size (de-compressed) :209'352 bytes
Format:linux/amd64
Packed file: a0eae874e5215f4361d71e4859465d894bd2da47d1f662b034d22078e2cbe3b1

Intelligence

File Origin
# of uploads :
1
# of downloads :
57
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Link:
https://research.acce.ciphertechsolutions.com/results/e553fb7f-aaa1-4a41-bdfa-e43287377c2c/
Detection(s):
Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Siggen.9999-14.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.Dropper.Mirai-7540662-0
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

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gafgyt mirai obfuscated obfuscated
Link:
https://www.filescan.io/uploads/694e264ee126b9ff4391d685/reports/76108bc7-0b83-498f-8bff-81461ca6ab4b/overview
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2025-12-26T04:20:00Z UTC
Last seen:
2025-12-26T06:26:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/28431f20f4d2f4b0bfb1b53074dc294bfaf51a06837ce2d6413128965de6cec6/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/c77d1db3-772f-428a-9071-623f8f295eea
Behavior Graph:
Download SVG
%3 guuid=f71e0b19-1a00-0000-e336-3d8774090000 pid=2420 /usr/bin/sudo guuid=31fe781b-1a00-0000-e336-3d8779090000 pid=2425 /tmp/sample.bin net guuid=f71e0b19-1a00-0000-e336-3d8774090000 pid=2420->guuid=31fe781b-1a00-0000-e336-3d8779090000 pid=2425 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=31fe781b-1a00-0000-e336-3d8779090000 pid=2425->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=87fdc61b-1a00-0000-e336-3d877b090000 pid=2427 /tmp/sample.bin write-config write-file zombie guuid=31fe781b-1a00-0000-e336-3d8779090000 pid=2425->guuid=87fdc61b-1a00-0000-e336-3d877b090000 pid=2427 clone guuid=4690bf1c-1a00-0000-e336-3d877e090000 pid=2430 /usr/bin/dash guuid=87fdc61b-1a00-0000-e336-3d877b090000 pid=2427->guuid=4690bf1c-1a00-0000-e336-3d877e090000 pid=2430 execve guuid=a8c7a321-1a00-0000-e336-3d8789090000 pid=2441 /usr/bin/dash guuid=87fdc61b-1a00-0000-e336-3d877b090000 pid=2427->guuid=a8c7a321-1a00-0000-e336-3d8789090000 pid=2441 execve guuid=b5ef1731-1a00-0000-e336-3d87b4090000 pid=2484 /tmp/sample.bin guuid=87fdc61b-1a00-0000-e336-3d877b090000 pid=2427->guuid=b5ef1731-1a00-0000-e336-3d87b4090000 pid=2484 clone guuid=989f1c31-1a00-0000-e336-3d87b5090000 pid=2485 /tmp/sample.bin guuid=87fdc61b-1a00-0000-e336-3d877b090000 pid=2427->guuid=989f1c31-1a00-0000-e336-3d87b5090000 pid=2485 clone guuid=52e2ec5b-1b00-0000-e336-3d87320c0000 pid=3122 /tmp/sample.bin guuid=87fdc61b-1a00-0000-e336-3d877b090000 pid=2427->guuid=52e2ec5b-1b00-0000-e336-3d87320c0000 pid=3122 clone guuid=1fd54f86-1c00-0000-e336-3d875a0e0000 pid=3674 /tmp/sample.bin guuid=87fdc61b-1a00-0000-e336-3d877b090000 pid=2427->guuid=1fd54f86-1c00-0000-e336-3d875a0e0000 pid=3674 clone guuid=55eb3ab1-1d00-0000-e336-3d8721120000 pid=4641 /tmp/sample.bin guuid=87fdc61b-1a00-0000-e336-3d877b090000 pid=2427->guuid=55eb3ab1-1d00-0000-e336-3d8721120000 pid=4641 clone guuid=dd022cdc-1e00-0000-e336-3d8779140000 pid=5241 /tmp/sample.bin guuid=87fdc61b-1a00-0000-e336-3d877b090000 pid=2427->guuid=dd022cdc-1e00-0000-e336-3d8779140000 pid=5241 clone guuid=aa2ba806-2000-0000-e336-3d8781140000 pid=5249 /tmp/sample.bin guuid=87fdc61b-1a00-0000-e336-3d877b090000 pid=2427->guuid=aa2ba806-2000-0000-e336-3d8781140000 pid=5249 clone guuid=b43d1e32-2100-0000-e336-3d87a2140000 pid=5282 /tmp/sample.bin guuid=87fdc61b-1a00-0000-e336-3d877b090000 pid=2427->guuid=b43d1e32-2100-0000-e336-3d87a2140000 pid=5282 clone guuid=e8c4795c-2200-0000-e336-3d87a3140000 pid=5283 /tmp/sample.bin guuid=87fdc61b-1a00-0000-e336-3d877b090000 pid=2427->guuid=e8c4795c-2200-0000-e336-3d87a3140000 pid=5283 clone guuid=4084d186-2300-0000-e336-3d87a4140000 pid=5284 /tmp/sample.bin guuid=87fdc61b-1a00-0000-e336-3d877b090000 pid=2427->guuid=4084d186-2300-0000-e336-3d87a4140000 pid=5284 clone guuid=6fb888b1-2400-0000-e336-3d87a5140000 pid=5285 /tmp/sample.bin guuid=87fdc61b-1a00-0000-e336-3d877b090000 pid=2427->guuid=6fb888b1-2400-0000-e336-3d87a5140000 pid=5285 clone guuid=21bf39dc-2500-0000-e336-3d87a6140000 pid=5286 /tmp/sample.bin guuid=87fdc61b-1a00-0000-e336-3d877b090000 pid=2427->guuid=21bf39dc-2500-0000-e336-3d87a6140000 pid=5286 clone guuid=9709f406-2700-0000-e336-3d87a7140000 pid=5287 /tmp/sample.bin guuid=87fdc61b-1a00-0000-e336-3d877b090000 pid=2427->guuid=9709f406-2700-0000-e336-3d87a7140000 pid=5287 clone guuid=e3ea4831-2800-0000-e336-3d87b2140000 pid=5298 /tmp/sample.bin guuid=87fdc61b-1a00-0000-e336-3d877b090000 pid=2427->guuid=e3ea4831-2800-0000-e336-3d87b2140000 pid=5298 clone guuid=bd685c1d-1a00-0000-e336-3d8780090000 pid=2432 /usr/bin/systemctl guuid=4690bf1c-1a00-0000-e336-3d877e090000 pid=2430->guuid=bd685c1d-1a00-0000-e336-3d8780090000 pid=2432 execve guuid=e298d321-1a00-0000-e336-3d878a090000 pid=2442 /usr/bin/systemctl guuid=a8c7a321-1a00-0000-e336-3d8789090000 pid=2441->guuid=e298d321-1a00-0000-e336-3d878a090000 pid=2442 execve
Gathering data
Result
Threat name:
Gafgyt
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1839629
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Found malware configuration
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Gafgyt
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1839629 Sample: x86_64.elf Startdate: 26/12/2025 Architecture: LINUX Score: 88 27 Found malware configuration 2->27 29 Malicious sample detected (through community Yara rule) 2->29 31 Antivirus detection for dropped file 2->31 33 3 other signatures 2->33 8 x86_64.elf 2->8         started        process3 process4 10 x86_64.elf 8->10         started        file5 25 /usr/local/bin/infinitd, ELF 10->25 dropped 13 x86_64.elf sh 10->13         started        15 x86_64.elf sh 10->15         started        17 x86_64.elf 10->17         started        19 24 other processes 10->19 process6 process7 21 sh systemctl 13->21         started        23 sh systemctl 15->23         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/28431f20f4d2f4b0bfb1b53074dc294bfaf51a06837ce2d6413128965de6cec6
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/28431f20f4d2f4b0bfb1b53074dc294bfaf51a06837ce2d6413128965de6cec6/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-26 06:08:17 UTC
File Type:
ELF64 Little (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fbbr6ihu2l2lbp5rwuyhjxbjjp5pkgqgqn6ofvsbgeujmxpgz3da._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet discovery linux persistence privilege_escalation
Link:
https://tria.ge/reports/251226-gv1fja1mhq/
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Enumerates active TCP sockets
Enumerates running processes
Modifies systemd
Write file to user bin folder
Mirai
Mirai family
Malware Config
C2 Extraction:
teamc2.duckdns.org
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7100807-0
YARA:
n/a
Link:
https://app.threat.zone/submission/5b6c1d02-1b15-4c2f-acc9-7db03eff3d61
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/28431f20f4d2/report/overview.html
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/28431f20f4d2f4b0bfb1b53074dc294bfaf51a06837ce2d6413128965de6cec6

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 unique string 'npxXoudifFeEgGaACScs'
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_0cd591cd
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_33b4111a
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_620087b9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_807911a2
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_9e9530a7
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_a33a8363
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d0c57a2e
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d4227dbf
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d996d335
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_6a77af0f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_e0cf29e2
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 a0eae874e5215f4361d71e4859465d894bd2da47d1f662b034d22078e2cbe3b1

Mirai

elf 28431f20f4d2f4b0bfb1b53074dc294bfaf51a06837ce2d6413128965de6cec6

(this sample)

  
Dropped by
SHA256 a0eae874e5215f4361d71e4859465d894bd2da47d1f662b034d22078e2cbe3b1
  
URLhaus
https://urlhaus.abuse.ch/url/3722803/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 4dc8da7421cd3a67aa4509be9b7e25c6
  
URLhaus
https://urlhaus.abuse.ch/url/3719328/
  
URLhaus
https://urlhaus.abuse.ch/url/3722806/

Comments