MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f77b502820be9ed053e789187999efaa986ea391fa4124e765c59f821b32fa7c. 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: f77b502820be9ed053e789187999efaa986ea391fa4124e765c59f821b32fa7c
SHA3-384 hash: cd8c4694836f84498396e6c420359923b0bb30cf128e8ee638525d99495a45ff2269a9202aaccc145fcdafc808516180
SHA1 hash: 93f2bb02b35f5493609914abda052b1ddc51b625
MD5 hash: 62e5e877560b97a603a3c28e2c553eb5
humanhash: ceiling-magnesium-romeo-batman
File name:Fantazy.arc
Download: download sample
Signature Mirai
Create hunting rule
File size:75'132 bytes
First seen:2025-12-16 20:20:19 UTC
Last seen:2025-12-17 02:22:42 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:fUIbFv0B4ahtuOtlG3gDMtQVBIVCCfy0K9uf+gn:fUIb10B4bOPXDpuhWgn
TLSH T1B7733A793A46F63CE9A590B8F44329D525220A083FDCD5E37C836036BF71B89716CE5A
telfhash t16be02600ec6a8a6c5cdb9e749d9c07bca900620254578710df14d6e0c83f454a319b5f
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

Intelligence

File Origin
# of uploads :
3
# of downloads :
103
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Unix.Trojan.Mirai-7135937-0
Create hunting rule

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

Unix.Trojan.Mirai-9770090-0
Create hunting rule

Unix.Trojan.Mirai-10036362-0
Create hunting rule

Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-16T17:43:00Z UTC
Last seen:
2025-12-17T12:24:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/f77b502820be9ed053e789187999efaa986ea391fa4124e765c59f821b32fa7c/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/cc3ce39e-c546-408b-a486-4efa53bd1fc5
Behavior Graph:
Download SVG
%3 guuid=76df9eae-1900-0000-7373-4b3e6a0b0000 pid=2922 /usr/bin/sudo guuid=d8d7d4b0-1900-0000-7373-4b3e6c0b0000 pid=2924 /tmp/sample.bin guuid=76df9eae-1900-0000-7373-4b3e6a0b0000 pid=2922->guuid=d8d7d4b0-1900-0000-7373-4b3e6c0b0000 pid=2924 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/bb408142-8d04-4b1e-94d7-29e911d07cd0
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1834354
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/f77b502820be9ed053e789187999efaa986ea391fa4124e765c59f821b32fa7c
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f77b502820be9ed053e789187999efaa986ea391fa4124e765c59f821b32fa7c/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-16 20:21:23 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 23 (60.87%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=655vakbax2pnau7hremhtgppvkmg5i4r7jasjz3fywpyegzs7j6a._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/251216-y4xvfavnet/
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7135937-0
YARA:
n/a
Link:
https://app.threat.zone/submission/1166b5ae-3e6c-4a3b-b0de-1fbb4e5b07c7
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/f77b502820be9ed053e789187999efaa986ea391fa4124e765c59f821b32fa7c

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_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:SUSP_XORed_Mozilla_Oct19
Create hunting rule
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research

File information

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

Web download

Mirai

elf f77b502820be9ed053e789187999efaa986ea391fa4124e765c59f821b32fa7c

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3734861/
  
Delivery method
Distributed via web download

Comments