MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 81ea772d178fc43be8403c9d50ce632fe5724f81bfc5fcec19d7caf076f98e24. 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 12 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 81ea772d178fc43be8403c9d50ce632fe5724f81bfc5fcec19d7caf076f98e24
SHA3-384 hash: 988407d3002e3f9c20bbecea7bb3219ce32619fff23b33c0f4de8290dd8d0ea9d078f57ae157a7b273b2ce5853fddbc9
SHA1 hash: 8e387d815cbcc5b6881c3105f87883390edfcf5b
MD5 hash: 898f238d38ea6535ef2ffc44df4608ec
humanhash: green-tennessee-diet-speaker
File name:memory_load.arm
Download: download sample
Signature Mirai
Create hunting rule
File size:177'556 bytes
First seen:2026-03-15 16:33:57 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:J82n5f48oPOo/DB81F8wlEygbMcSP84Jqx7MVK0gxzK6DNo093aqKv50q:nn5w8o5KqygRe4PDmQy
TLSH T118042A86BC91EA26C7C112BBFA6F41CD331653ECD2EA31029D215B6477CB85E0E37646
telfhash t12ff08bb09a9b1a607280808e263ff82da32691bd7f1425156390edb9dd834c0652280f
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 gafgyt mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
85
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/6e92ccce-2fa9-4205-91db-f2bae59fdfd7/
Detection(s):
Sanesecurity.Malware.29524.LC.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7135937-0
Create hunting rule

Unix.Dropper.Mirai-7136014-0
Create hunting rule

Unix.Dropper.Mirai-7355719-0
Create hunting rule

Unix.Trojan.Mirai-9861139-0
Create hunting rule

Unix.Dropper.Mirai-9977145-0
Create hunting rule

Unix.Trojan.Mirai-1
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:
46
Number of processes launched:
0
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/81ea772d178fc43be8403c9d50ce632fe5724f81bfc5fcec19d7caf076f98e24
Behaviour
no suspicious findings
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/81ea772d178fc43be8403c9d50ce632fe5724f81bfc5fcec19d7caf076f98e24/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/7603f43e-e95d-4515-a8fe-3b666bde948e
Behavior Graph:
Download SVG
%3 guuid=94f11666-1700-0000-1256-208616090000 pid=2326 /usr/bin/sudo guuid=219b0668-1700-0000-1256-20861d090000 pid=2333 /tmp/sample.bin guuid=94f11666-1700-0000-1256-208616090000 pid=2326->guuid=219b0668-1700-0000-1256-20861d090000 pid=2333 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a44effe3-4e81-433a-8cb2-a99e8e2b164b
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1883982
Signature
Antivirus / Scanner detection for submitted sample
Found malware configuration
Malicious sample detected (through community Yara rule)
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1883982 Sample: memory_load.arm.elf Startdate: 15/03/2026 Architecture: LINUX Score: 96 23 Found malware configuration 2->23 25 Malicious sample detected (through community Yara rule) 2->25 27 Antivirus / Scanner detection for submitted sample 2->27 29 2 other signatures 2->29 7 memory_load.arm.elf 2->7         started        9 python3.8 dpkg 2->9         started        process3 process4 11 memory_load.arm.elf 7->11         started        13 memory_load.arm.elf 7->13         started        process5 15 memory_load.arm.elf 11->15         started        17 memory_load.arm.elf 11->17         started        19 memory_load.arm.elf 11->19         started        21 14 other processes 11->21
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/81ea772d178fc43be8403c9d50ce632fe5724f81bfc5fcec19d7caf076f98e24
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/81ea772d178fc43be8403c9d50ce632fe5724f81bfc5fcec19d7caf076f98e24/
Threat name:
Linux.Backdoor.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2026-03-15 16:35:29 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=qhvholixr7cdx2cahsovbttdf7sxet4bx7c7z3az27fpa5xzrysa._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:ecchi upx
Link:
https://tria.ge/reports/260315-t3c2esby9l/
Malware Config
C2 Extraction:
2.58.82.231
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/81ea772d178fc43be8403c9d50ce632fe5724f81bfc5fcec19d7caf076f98e24

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:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:CVE_2017_17215
Create hunting rule
Author:NDA0E
Description:Detects exploitation attempt of CVE-2017-17215
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:Linux_Generic_Threat_1ac392ca
Create hunting rule
Author:Elastic Security
Rule name:Linux_Generic_Threat_d94e1020
Create hunting rule
Author:Elastic Security
Rule name:MAL_ELF_LNX_Mirai_Oct10_1
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects ELF Mirai variant
Reference:Internal Research
Rule name:MAL_ELF_LNX_Mirai_Oct10_1_RID2F39
Create hunting rule
Author:Florian Roth
Description:Detects ELF Mirai variant
Reference:Internal Research
Rule name:testlumma
Create hunting rule
Rule name:unixredflags3
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags
Rule name:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf 81ea772d178fc43be8403c9d50ce632fe5724f81bfc5fcec19d7caf076f98e24

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3796808/
  
Delivery method
Distributed via web download

Comments