MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3c937ff63c8bffd2aeb78fa788d9e215896393929f42e2f08f80588f60a25af4. 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: 7


Intelligence 7 IOCs YARA 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3c937ff63c8bffd2aeb78fa788d9e215896393929f42e2f08f80588f60a25af4
SHA3-384 hash: 667d4f9aca9b0c35b8b4fb0d838b406125b1b130180b10b4798ca5f2429b15583193fddee4e3dcf36ec7f55ab19c1dc5
SHA1 hash: eb434d9d08c63ac42e9409304fb046e7798a1580
MD5 hash: c4e997bf763c309b059ef25f9e4ec22f
humanhash: romeo-nebraska-ceiling-purple
File name:agent_arm64
Download: download sample
Signature Mirai
Create hunting rule
File size:729'248 bytes
First seen:2026-04-28 06:45:35 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 12288:uTaklqw+Rpb23dvNnRiILhdpmRvG/qiCypf2oIibw5lTiH8Z:uTaklEzi3vLjsR5irPTE08
TLSH T1DEF47D9DFA4E3D41E3DBE37C9B4E43E1A21BB190D32351A33942424CD4C69E9CBB156A
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 :
1
# of downloads :
51
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Changes access rights for a written file
Sets a written file as executable
Changes the time when the file was created, accessed, or modified
Runs as daemon
Manages services
Kills processes
Creating a file
Launching a process
Creates or modifies files in /cron to set up autorun
Substitutes an application name
Creates or modifies files to set up autorun
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
bash gcc lolbin mirai rust
Link:
https://www.filescan.io/uploads/69f0579a594172aacc4f2c00/reports/3563244f-f6c3-4d5c-b398-2c1f0e4b3b76/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
0
Number of processes launched:
0
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/3c937ff63c8bffd2aeb78fa788d9e215896393929f42e2f08f80588f60a25af4
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Gathering data
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/8642e4f0-bbf3-4e67-86f6-182562316671
Behavior Graph:
Download SVG
%3 guuid=966db70a-1800-0000-f355-0351ad0a0000 pid=2733 /usr/bin/sudo guuid=fb39920d-1800-0000-f355-0351b20a0000 pid=2738 /tmp/sample.bin guuid=966db70a-1800-0000-f355-0351ad0a0000 pid=2733->guuid=fb39920d-1800-0000-f355-0351b20a0000 pid=2738 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/4815a302-ed70-4e0a-a341-941c82bb0684
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/3c937ff63c8bffd2aeb78fa788d9e215896393929f42e2f08f80588f60a25af4
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/3c937ff63c8bffd2aeb78fa788d9e215896393929f42e2f08f80588f60a25af4/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-04-28 06:46:33 UTC
File Type:
ELF64 Little (Exe)
AV detection:
3 of 36 (8.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hsjx75r4rp75flvxr6tyrwpccwewhe4st5bof4epqbmi6yfcll2a._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/260428-hjym8sht7k/
Please note that we are no longer able to provide a coverage score for Virus Total.

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:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:F01_s1ckrule
Create hunting rule
Author:s1ckb017
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:malwareelf55503
Create hunting rule
Rule name:telebot_framework
Create hunting rule
Author:vietdx.mb
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
Rule name:unixredflags3
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags
Rule name:woof_mirai_variant
Create hunting rule
Author:Nokia Deepfield ERT
Description:Detects Woof Mirai variant (ChaCha20 table, HTTP C2 with token/guid, .woof dropper)
Reference:Internal analysis of sample 6ef4ce02

File information

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

Web download

Mirai

elf 3c937ff63c8bffd2aeb78fa788d9e215896393929f42e2f08f80588f60a25af4

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3832662/
  
Delivery method
Distributed via web download

Comments