MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a99a7d2d118f2265ea7c409c1bfd1adc20ce86f3cc72b81b518c6482553ec4f2. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a99a7d2d118f2265ea7c409c1bfd1adc20ce86f3cc72b81b518c6482553ec4f2
SHA3-384 hash: 9690e8fd14281270f2ca23eaa37e1055b4893e581078009a76635c17501668c2124475b781c7e6df903e5250a8209ffc
SHA1 hash: 67e5c0e7b3d5890696354cc7ddb0df044b814be5
MD5 hash: c22aadfce8a96aa7e0ec646a30eaf761
humanhash: robert-jig-massachusetts-iowa
File name:shadow.arm6
Download: download sample
Signature Mirai
Create hunting rule
File size:86'192 bytes
First seen:2025-12-31 00:03:05 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:mhngTUzvoRBpnmwF43ekc5C4dQRwULyHP3FkBTuBLWIuiKPKoJio8:+vm625LdSwULyvcKoJio
TLSH T1F283C759B9818503D4D416BBBA2E119D331637A8F2EE3312CD305F247B8AB6B0F77A51
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
33
Origin country :
DE DE
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/1a43fac4-d91d-4308-ba70-8ae7f2fce210/
Detection(s):
Sanesecurity.Malware.29052.TSource.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-1
Create hunting rule

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade rust
Link:
https://www.filescan.io/uploads/695468492fb7bb52ca82bd9b/reports/65bf27bf-ceec-413c-86a1-47d380d73113/overview
Result
Gathering data
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/f351b2bb-3a32-44c5-80c8-505f52278e34
Behavior Graph:
Download SVG
%3 guuid=7db43280-1800-0000-b8e0-58005a0c0000 pid=3162 /usr/bin/sudo guuid=f2a70883-1800-0000-b8e0-58005b0c0000 pid=3163 /tmp/sample.bin guuid=7db43280-1800-0000-b8e0-58005a0c0000 pid=3162->guuid=f2a70883-1800-0000-b8e0-58005b0c0000 pid=3163 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/bc1b03eb-f661-42e5-a4e3-df31c0138142
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1842452
Signature
Multi AV Scanner detection for submitted file
Performs DNS TXT record lookups
Sample deletes itself
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1842452 Sample: shadow.arm6.elf Startdate: 31/12/2025 Architecture: LINUX Score: 56 18 kurol.io 2->18 20 81.88.18.108, 52854, 6767 LEVEL3US Germany 2->20 22 Multi AV Scanner detection for submitted file 2->22 9 shadow.arm6.elf 2->9         started        signatures3 24 Performs DNS TXT record lookups 18->24 process4 signatures5 26 Sample deletes itself 9->26 12 shadow.arm6.elf 9->12         started        process6 process7 14 shadow.arm6.elf 12->14         started        process8 16 shadow.arm6.elf 14->16         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a99a7d2d118f2265ea7c409c1bfd1adc20ce86f3cc72b81b518c6482553ec4f2
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a99a7d2d118f2265ea7c409c1bfd1adc20ce86f3cc72b81b518c6482553ec4f2/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-31 00:03:24 UTC
File Type:
ELF32 Little (Exe)
AV detection:
13 of 36 (36.11%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vgnh2lirr4rgl2t4icobx7i23qqm5bxtzrzlqg2rrrsievj6ytza._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery upx
Link:
https://tria.ge/reports/251231-acggda1ph1/
Behaviour
Reads runtime system information
Reads system network configuration
Changes its process name
Enumerates active TCP sockets
Enumerates running processes
Deletes itself
Modifies Watchdog functionality
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-1
YARA:
n/a
Link:
https://app.threat.zone/submission/93c99658-28c9-423d-962a-1c64f1c98b39
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/a99a7d2d118f2265ea7c409c1bfd1adc20ce86f3cc72b81b518c6482553ec4f2

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:Linux_Generic_Threat_d2dca9e7
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 a99a7d2d118f2265ea7c409c1bfd1adc20ce86f3cc72b81b518c6482553ec4f2

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3742276/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3739061/

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