MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 64ffa98464151f732c68c758eef025fe222a9463bead095a9e9c5d91b71aa165. 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: 12


Intelligence 12 IOCs YARA 4 File information Comments

SHA256 hash: 64ffa98464151f732c68c758eef025fe222a9463bead095a9e9c5d91b71aa165
SHA3-384 hash: 3a4b55a246154bedf91e0395192b14eb25cc10673909d78e6f468c5c06cddc2c7f9e413d885eb72caa4ffa2efe32e13d
SHA1 hash: 066837154c6478d672bb91d3a8568a5bd050e4f3
MD5 hash: ca1a2f23319251c6dce2c58188710035
humanhash: papa-california-salami-oregon
File name:sumrak.arm
Download: download sample
Signature Mirai
File size:129'120 bytes
First seen:2026-01-16 02:51:27 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:44EAFM84Ck2hDUz4VrvVrTDCcDVtaRRhSyVH9h8lXhwywCFpNzoBLPMifcPcORDH:4cFMlCkdz4JBvCcD0HSs4Bekj
TLSH T1B2C30845FD505B12C6C752BBFB4E428D7B2A17A8D3EE720399256F20378B9670E3B142
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 caf8129b8e3ce62e0d759cf516a664b60d79e01446870674ad8af1297a755f61
File size (compressed) :50'824 bytes
File size (de-compressed) :129'120 bytes
Format:linux/arm
Packed file: caf8129b8e3ce62e0d759cf516a664b60d79e01446870674ad8af1297a755f61

Intelligence


File Origin
# of uploads :
1
# of downloads :
90
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
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
bash lolbin masquerade mirai rust
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-16T00:24:00Z UTC
Last seen:
2026-01-16T01:05:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Gafgyt.bj HEUR:Backdoor.Linux.Mirai.ba HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl
Status:
terminated
Behavior Graph:
%3 guuid=97b9392c-1800-0000-82ab-da7c870c0000 pid=3207 /usr/bin/sudo guuid=a484bb2e-1800-0000-82ab-da7c880c0000 pid=3208 /tmp/sample.bin guuid=97b9392c-1800-0000-82ab-da7c870c0000 pid=3207->guuid=a484bb2e-1800-0000-82ab-da7c880c0000 pid=3208 execve
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
72 / 100
Signature
Antivirus / Scanner detection for submitted sample
Found malware configuration
Multi AV Scanner detection for submitted file
Yara detected Gafgyt
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1851808 Sample: sumrak.arm.elf Startdate: 16/01/2026 Architecture: LINUX Score: 72 24 91.92.240.251, 1997, 42396, 42398 THEZONEBG Bulgaria 2->24 26 109.202.202.202, 80 INIT7CH Switzerland 2->26 28 3 other IPs or domains 2->28 30 Found malware configuration 2->30 32 Antivirus / Scanner detection for submitted sample 2->32 34 Multi AV Scanner detection for submitted file 2->34 36 Yara detected Gafgyt 2->36 8 sumrak.arm.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        signatures3 process4 process5 14 sumrak.arm.elf 8->14         started        16 sumrak.arm.elf 8->16         started        18 sumrak.arm.elf 8->18         started        process6 20 sumrak.arm.elf 14->20         started        22 sumrak.arm.elf 14->22         started       
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2026-01-16 02:52:28 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:owari
Malware Config
C2 Extraction:
sumrak2026.duckdns.org
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7135890-0
YARA:
n/a
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:ELF_Toriilike_persist
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:enterpriseapps2
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:Linux_Generic_Threat_d94e1020
Author:Elastic Security
Rule name:unixredflags3
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 64ffa98464151f732c68c758eef025fe222a9463bead095a9e9c5d91b71aa165

(this sample)

  
Delivery method
Distributed via web download

Comments