MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cfd61b659d4b43a026a9782f601ef8af77bca62de45f44cbcf964861c3a95689. 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: 11


Intelligence 11 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cfd61b659d4b43a026a9782f601ef8af77bca62de45f44cbcf964861c3a95689
SHA3-384 hash: e452721080c7f19453ca1825fa7597b834d2852ac492440859a184b10f83da21c4f640c7896f922d2d8655dab6097159
SHA1 hash: 1faeaedb99b0379f275713fb0a2592cd4bb7aead
MD5 hash: 32122d0a22f20846f76f0b2e83aea3d7
humanhash: gee-washington-lactose-sierra
File name:sora.arm
Download: download sample
Signature Mirai
Create hunting rule
File size:70'860 bytes
First seen:2025-09-04 09:09:36 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:eOTgWIYeMlktkUwnEU0+m7FcWS2RM8fhWtu5zPeH:eOTgWLeMDcJS2Rrpeu5K
TLSH T1A9630891B881A626C2D1137BFA6F008E372457D8E2DB33139D255FA0778A81F0D57F8A
telfhash t14a41d1f74ba40bcc67e8a149c98c711c5ff5b05aaf092483590caa4fc85b5d2b00e437
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 53ef3fce6eb29ad85fa229003cc5646132de1cbc575cda0fa48c66c817a18531
File size (compressed) :27'344 bytes
File size (de-compressed) :70'860 bytes
Format:linux/arm
Packed file: 53ef3fce6eb29ad85fa229003cc5646132de1cbc575cda0fa48c66c817a18531

Intelligence

File Origin
# of uploads :
1
# of downloads :
86
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.28940.LC.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7135890-0
Create hunting rule

Unix.Dropper.Mirai-7135939-0
Create hunting rule

Unix.Dropper.Mirai-7136025-0
Create hunting rule

Unix.Trojan.Mirai-9819563-0
Create hunting rule

Unix.Trojan.Mirai-9820623-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade rust
Link:
https://www.filescan.io/uploads/68b9579f39a6221faa7e54c3/reports/3402f149-db89-4ae7-8107-358d2c9dd83d/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
56
Number of processes launched:
13
Processes remaning?
true
Remote TCP ports scanned:
23
Full report:
https://elfdigest.com/brief/cfd61b659d4b43a026a9782f601ef8af77bca62de45f44cbcf964861c3a95689
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-09-04T07:52:00Z UTC
Last seen:
2025-09-04T07:52:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/cfd61b659d4b43a026a9782f601ef8af77bca62de45f44cbcf964861c3a95689/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/96ff57c7-a1a5-4dc3-b473-942b8d21d227
Behavior Graph:
Download SVG
%3 guuid=9393cf3a-1900-0000-2391-31b3fe070000 pid=2046 /usr/bin/sudo guuid=8358cf3c-1900-0000-2391-31b303080000 pid=2051 /tmp/sample.bin guuid=9393cf3a-1900-0000-2391-31b3fe070000 pid=2046->guuid=8358cf3c-1900-0000-2391-31b303080000 pid=2051 execve
Gathering data
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/1770989
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample tries to kill multiple processes (SIGKILL)
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1770989 Sample: sora.arm.elf Startdate: 04/09/2025 Architecture: LINUX Score: 76 28 45.43.49.206 ZNETUS United States 2->28 30 201.239.52.177 VTRBANDAANCHASACL Chile 2->30 32 98 other IPs or domains 2->32 36 Malicious sample detected (through community Yara rule) 2->36 38 Antivirus / Scanner detection for submitted sample 2->38 40 Multi AV Scanner detection for submitted file 2->40 42 Yara detected Mirai 2->42 8 sora.arm.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        signatures3 process4 process5 14 sora.arm.elf 8->14         started        16 sora.arm.elf 8->16         started        19 sora.arm.elf 8->19         started        signatures6 21 sora.arm.elf 14->21         started        24 sora.arm.elf 14->24         started        26 sora.arm.elf 14->26         started        34 Sample tries to kill multiple processes (SIGKILL) 16->34 process7 signatures8 44 Sample tries to kill multiple processes (SIGKILL) 21->44
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/cfd61b659d4b43a026a9782f601ef8af77bca62de45f44cbcf964861c3a95689
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cfd61b659d4b43a026a9782f601ef8af77bca62de45f44cbcf964861c3a95689/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/cfd61b659d4b43a026a9782f601ef8af77bca62de45f44cbcf964861c3a95689
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-09-04 09:10:54 UTC
File Type:
ELF32 Little (Exe)
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=z7lbwzm5jnb2ajvjpaxwahxyv533zjrn4rpujs6pszegdq5jk2eq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:sora
Link:
https://tria.ge/reports/250904-k5gyqayry2/
Verdict:
Malicious
Tags:
trojan gafgyt Unix.Dropper.Mirai-7135890-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Gafgyt_ea92cca8 Linux_Gafgyt_May_2024
Link:
https://app.threat.zone/submission/ff5a3141-93f9-484e-afd5-0e381f43ab1a
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/cfd61b659d4b43a026a9782f601ef8af77bca62de45f44cbcf964861c3a95689

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:botnet_Yakuza
Create hunting rule
Author:NDA0E
Description:Yakuza botnet
Rule name:CP_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_d94e1020
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_ea92cca8
Create hunting rule
Author:Elastic Security

File information

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

Web download

Mirai

elf 53ef3fce6eb29ad85fa229003cc5646132de1cbc575cda0fa48c66c817a18531

Mirai

elf cfd61b659d4b43a026a9782f601ef8af77bca62de45f44cbcf964861c3a95689

(this sample)

  
Dropped by
SHA256 53ef3fce6eb29ad85fa229003cc5646132de1cbc575cda0fa48c66c817a18531
  
URLhaus
https://urlhaus.abuse.ch/url/3610658/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 edcc900bc1da2df8f6ca9a580911b541

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