MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a7af3563dd2779f6971959cc8cb378756fae95071a98e184c9ab70f0437edcc2. 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: 9


Intelligence 9 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a7af3563dd2779f6971959cc8cb378756fae95071a98e184c9ab70f0437edcc2
SHA3-384 hash: 2ec7748d878ef6ebd706110a080007df4d1e2be0430e0e806534bf9742e2132a2435587fc94c8ade5da5ad47bc556b1d
SHA1 hash: f444e2a183d7b9841bdea8ed48b0f839fc837794
MD5 hash: ab91e2eb2a355aa1fe6e2781ccfdf2ab
humanhash: comet-cold-purple-september
File name:mips
Download: download sample
Signature Mirai
Create hunting rule
File size:245'212 bytes
First seen:2025-12-29 18:58:25 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:Wza45KFbrIbwk1fjziUQTji0ZEm2A0loDUZ:WSBIbSZmZ
TLSH T11E34C94E6E228F7DFBA8C77447B74E24975923D622E1D585E1ACC2011E2029F641FFB8
telfhash t12041b518097813b0a6356c5e45ddff36d6a730db7e262c238e11e86aab69f839d11c0d
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 f3f3b5bf34aad42cc37c6f0d2f3b6d2d82a9a2130de73acb8b17644bd400d344
File size (compressed) :74'356 bytes
File size (de-compressed) :245'212 bytes
Format:linux/mips
Packed file: f3f3b5bf34aad42cc37c6f0d2f3b6d2d82a9a2130de73acb8b17644bd400d344

Intelligence

File Origin
# of uploads :
1
# of downloads :
40
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/cf0fe2d3-a089-4fcc-a119-3265c765cf09/
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-8041698-0
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:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
bash lolbin obfuscated
Link:
https://www.filescan.io/uploads/6952cf82127d6a14e0c6ff81/reports/05882ac5-00bc-443a-a898-f63c412371e6/overview
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-12-29T16:19:00Z UTC
Last seen:
2025-12-29T17:15:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/a7af3563dd2779f6971959cc8cb378756fae95071a98e184c9ab70f0437edcc2/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/4b7a9dd3-fc79-4bc1-a517-1b5bfcbf2f63
Behavior Graph:
Download SVG
%3 guuid=379cf7d1-1900-0000-1c18-40e504090000 pid=2308 /usr/bin/sudo guuid=6f24f5d3-1900-0000-1c18-40e50a090000 pid=2314 /tmp/sample.bin guuid=379cf7d1-1900-0000-1c18-40e504090000 pid=2308->guuid=6f24f5d3-1900-0000-1c18-40e50a090000 pid=2314 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/daadda5e-48fc-4c34-a3e6-5f7f43eb9e06
Result
Threat name:
Gafgyt
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1841709
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Found malware configuration
Multi AV Scanner detection for submitted file
Yara detected Gafgyt
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1841709 Sample: mips.elf Startdate: 29/12/2025 Architecture: LINUX Score: 80 35 169.254.169.254, 80 USDOSUS Reserved 2->35 37 151.242.30.13, 12121, 56256, 56258 RASANAIR Iran (ISLAMIC Republic Of) 2->37 39 4 other IPs or domains 2->39 41 Found malware configuration 2->41 43 Antivirus detection for dropped file 2->43 45 Antivirus / Scanner detection for submitted sample 2->45 47 2 other signatures 2->47 8 mips.elf 2->8         started        11 dash rm 2->11         started        13 dash rm 2->13         started        15 python3.8 dpkg 2->15         started        signatures3 process4 file5 33 /usr/local/bin/infinitd, ELF 8->33 dropped 17 mips.elf sh 8->17         started        19 mips.elf sh 8->19         started        21 mips.elf 8->21         started        23 2 other processes 8->23 process6 process7 25 sh systemctl 17->25         started        27 sh systemctl 19->27         started        29 mips.elf 21->29         started        31 mips.elf 21->31         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a7af3563dd2779f6971959cc8cb378756fae95071a98e184c9ab70f0437edcc2
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a7af3563dd2779f6971959cc8cb378756fae95071a98e184c9ab70f0437edcc2/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-29 18:59:20 UTC
File Type:
ELF32 Big (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=u6xtky65e547nfyzlhgizm3yovx25fihdkmodbgjvnypaq363tba._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery persistence privilege_escalation
Link:
https://tria.ge/reports/251229-xm6kksvncw/
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
System Network Configuration Discovery
Changes its process name
Enumerates running processes
Modifies systemd
Write file to user bin folder
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7100807-0
YARA:
n/a
Link:
https://app.threat.zone/submission/7524f35e-498c-43f2-be6f-43005bdba175
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/a7af3563dd2779f6971959cc8cb378756fae95071a98e184c9ab70f0437edcc2

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:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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 f3f3b5bf34aad42cc37c6f0d2f3b6d2d82a9a2130de73acb8b17644bd400d344

Mirai

elf a7af3563dd2779f6971959cc8cb378756fae95071a98e184c9ab70f0437edcc2

(this sample)

  
Dropped by
SHA256 f3f3b5bf34aad42cc37c6f0d2f3b6d2d82a9a2130de73acb8b17644bd400d344
  
URLhaus
https://urlhaus.abuse.ch/url/3722805/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 b9c3ea743225c0c95a9ef20c464a6d7b

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