MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d21d740522612a0a16de245eaecc17ec0f34520055c1a75b706187632c777b72. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d21d740522612a0a16de245eaecc17ec0f34520055c1a75b706187632c777b72
SHA3-384 hash: 1f731478b520690f5971214e83e4b19ca654de9aae6bf2b5629a8570c306e6e1697678ad9e32a0cb726f08613ff433b5
SHA1 hash: f02163ab7159e4edf4879435a1c314359f1347fc
MD5 hash: 55fa2f1eb34f6501c1fecf24d152f16a
humanhash: texas-comet-alabama-oregon
File name:parm5
Download: download sample
Signature Mirai
Create hunting rule
File size:37'120 bytes
First seen:2025-12-06 17:51:44 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:CzQJzX74uXq3GpKWKKZSo2Tjupjq3e+aEreg6MjG:RXJXmGH2T+8SEregA
TLSH T1A1F2F891B8825A2BC2E423BAAA6F518E336173ACD2CF7717D8111F507B8991F4D63B41
telfhash t172f05c04be668e0559e79570cdbd07a4e802111391a69b24cf12cbe0883f448e308d1d
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 fafa43c38a5fb5cbbf3a90cb3542271bd6905796589bed3f93402d5df42d5259
File size (compressed) :18'032 bytes
File size (de-compressed) :37'120 bytes
Format:linux/arm
Packed file: fafa43c38a5fb5cbbf3a90cb3542271bd6905796589bed3f93402d5df42d5259

Intelligence

File Origin
# of uploads :
1
# of downloads :
50
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/cb2e0c95-d0fe-4af7-8559-de3b6b0d11af/
Detection(s):
Unix.Trojan.Mirai-9858729-0
Create hunting rule

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
bash lolbin rust
Link:
https://www.filescan.io/uploads/69346d54bc15eab491f5f548/reports/eeacbb43-0611-46ee-9fc4-1bac152a4aaf/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-06T15:58:00Z UTC
Last seen:
2025-12-06T17:31:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/d21d740522612a0a16de245eaecc17ec0f34520055c1a75b706187632c777b72/results?tab=lookup
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2cf6cc2b-b372-42d4-8bf2-a9642822d103
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1827997
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/d21d740522612a0a16de245eaecc17ec0f34520055c1a75b706187632c777b72
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d21d740522612a0a16de245eaecc17ec0f34520055c1a75b706187632c777b72/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-06 17:52:27 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=2ioxibjcmevaufw6erpk5tax5qhtiuqakxa2ow3qmgdwgldxpnza._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:mirai
Link:
https://tria.ge/reports/251206-wft3ja1lex/
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-9858729-0
YARA:
n/a
Link:
https://app.threat.zone/submission/7b3d693e-195d-407c-8f73-bee6569fb72d
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/d21d740522612a0a16de245eaecc17ec0f34520055c1a75b706187632c777b72

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:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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 fafa43c38a5fb5cbbf3a90cb3542271bd6905796589bed3f93402d5df42d5259

Mirai

elf d21d740522612a0a16de245eaecc17ec0f34520055c1a75b706187632c777b72

(this sample)

  
Dropped by
SHA256 fafa43c38a5fb5cbbf3a90cb3542271bd6905796589bed3f93402d5df42d5259
  
URLhaus
https://urlhaus.abuse.ch/url/3727845/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 4aa677a526e9ee552a3ebad7bc9c0386

Comments