MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 81fcb882ab914cb3c3dbe2948f229f67311de0091650c9f3b2eb4f7240cbc908. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 81fcb882ab914cb3c3dbe2948f229f67311de0091650c9f3b2eb4f7240cbc908
SHA3-384 hash: d04dd63ff71a05cf43b8ed55277e474740dda1c9b62c1046d0f01481273aa8492c23e35692b04fce3310661c2e9f54c4
SHA1 hash: b3f5437a330ce946f1b2b88f4a716b6106abd142
MD5 hash: d2a9e7f20fd461a28ab2d4a9443493e0
humanhash: mango-eight-river-cup
File name:parm
Download: download sample
Signature Mirai
Create hunting rule
File size:81'408 bytes
First seen:2026-03-11 01:07:19 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:K1gjTcAjL0MRlhSkLumT8tOs/ycdt/F15wvb61d6ow:K1gjXL1LuOBQ+qRw
TLSH T1D1835C91B9815B13C5D012BBFB6E018E772A13A8D2EF7213DD26AF11378781B0E77652
telfhash t15b31f0704a840edca2e1ce04c1cf753b7ba939b6af1526198f6f3f1f4302681b116436
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 538b798e82d1fea1a0d81cf15ffd31c5d6e08324caf4f3b1526d090f3bd4e46c
File size (compressed) :37'456 bytes
File size (de-compressed) :81'408 bytes
Format:linux/arm
Packed file: 538b798e82d1fea1a0d81cf15ffd31c5d6e08324caf4f3b1526d090f3bd4e46c

Intelligence

File Origin
# of uploads :
1
# of downloads :
108
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/cb0eba1f-86f3-4e1b-8dec-80be6d946f82/
Detection(s):
Sanesecurity.Malware.28959.LC.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-9858729-0
Create hunting rule

Gathering data
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
83
Number of processes launched:
3
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/81fcb882ab914cb3c3dbe2948f229f67311de0091650c9f3b2eb4f7240cbc908
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
Link:
https://opentip.kaspersky.com/81fcb882ab914cb3c3dbe2948f229f67311de0091650c9f3b2eb4f7240cbc908/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/4544569b-2ff9-4b12-bb4f-8efb23e5b588
Behavior Graph:
Download SVG
%3 guuid=2332ba35-1b00-0000-2bb6-a48af20b0000 pid=3058 /usr/bin/sudo guuid=304d2038-1b00-0000-2bb6-a48af90b0000 pid=3065 /tmp/sample.bin guuid=2332ba35-1b00-0000-2bb6-a48af20b0000 pid=3058->guuid=304d2038-1b00-0000-2bb6-a48af90b0000 pid=3065 execve
Gathering data
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/81fcb882ab914cb3c3dbe2948f229f67311de0091650c9f3b2eb4f7240cbc908
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/81fcb882ab914cb3c3dbe2948f229f67311de0091650c9f3b2eb4f7240cbc908/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-03-11 01:08:24 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=qh6lravlsfglhq634kki6iu7m4yr3yajczimt45s5nhxeqglzeea._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:mirai
Link:
https://tria.ge/reports/260311-bhfbyaet9j/
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/81fcb882ab914cb3c3dbe2948f229f67311de0091650c9f3b2eb4f7240cbc908

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_Threat_d94e1020
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

sh fc8f2d1594b27eb9610ab0402c6f146498727d923d74045d385819bc049318d7

Mirai

elf 538b798e82d1fea1a0d81cf15ffd31c5d6e08324caf4f3b1526d090f3bd4e46c

Mirai

elf 81fcb882ab914cb3c3dbe2948f229f67311de0091650c9f3b2eb4f7240cbc908

(this sample)

  
Dropped by
SHA256 538b798e82d1fea1a0d81cf15ffd31c5d6e08324caf4f3b1526d090f3bd4e46c
  
URLhaus
https://urlhaus.abuse.ch/url/3793895/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 1bd1eb17f144729896e807affc3384b2

Comments