MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 37bc7079f501f16f30bdf417f607893ac16aee97ffbb9d0a3b48fc7e232deb8e. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 37bc7079f501f16f30bdf417f607893ac16aee97ffbb9d0a3b48fc7e232deb8e
SHA3-384 hash: 954698e0e8f37dc7c648e85ce38a6317fbc15cfca9808b142cd86558474a04d01e8b569a236966dbbf74bd7601da6913
SHA1 hash: 855132b31f725aaf7bed4183e71e07060aea3347
MD5 hash: 77a39831a2a88d48d4a367ac0603ab5e
humanhash: uranus-connecticut-alabama-nevada
File name:kwari.arm6
Download: download sample
Signature Mirai
Create hunting rule
File size:70'788 bytes
First seen:2025-05-16 07:39:40 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:TZn3xRZOk3U1V6V8glRZQWBP/0GX+VQnPPI0iVITdGsGC:VZ9BCGGIdGsG
TLSH T1B963E646BD828E16C4D512BAF92E018E331317B8E2DFB2239D146F2077CB92F0E67556
telfhash t17d11c934aa960a9ca7ccc38451db61a81ead30fc2704257a566e3b8a41e2cc1f309829
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 26bb82e5b22c1cbfa8ee5820b45bdda80869b6ca6a1ef5a1910203f8a2cbae1c
File size (compressed) :29'164 bytes
File size (de-compressed) :70'788 bytes
Format:linux/arm
Packed file: 26bb82e5b22c1cbfa8ee5820b45bdda80869b6ca6a1ef5a1910203f8a2cbae1c

Intelligence

File Origin
# of uploads :
1
# of downloads :
76
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Mirai-61.UNOFFICIAL
Create hunting rule

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

Unix.Trojan.Mirai-9876194-0
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6826ecf64a59e5a2ce051235linux22vpnfull_triage
Tags:
mirai ddos
Result
Verdict:
Malware
Maliciousness:
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade obfuscated
Link:
https://www.filescan.io/uploads/6826ebe6bff72ff46b650118/reports/864650c4-6eab-4b09-a172-1bdf3c6b9271/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/37bc7079f501f16f30bdf417f607893ac16aee97ffbb9d0a3b48fc7e232deb8e
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/664f82f0-9ab6-47a2-834b-9a5b4a64e5fa
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
48 / 100
Link:
https://www.joesandbox.com/analysis/1691825
Signature
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1691825 Sample: kwari.arm6.elf Startdate: 16/05/2025 Architecture: LINUX Score: 48 12 54.217.10.153, 34588, 443 AMAZON-02US United States 2->12 14 daisy.ubuntu.com 2->14 16 Multi AV Scanner detection for submitted file 2->16 6 dash rm 2->6         started        8 dash rm 2->8         started        10 kwari.arm6.elf 2->10         started        signatures3 process4
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/37bc7079f501f16f30bdf417f607893ac16aee97ffbb9d0a3b48fc7e232deb8e
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/37bc7079f501f16f30bdf417f607893ac16aee97ffbb9d0a3b48fc7e232deb8e/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-05-16 07:40:31 UTC
File Type:
ELF32 Little (Exe)
AV detection:
25 of 37 (67.57%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=g66ha6pvahyw6mf56ql7mb4jhlawv3ux765z2cr3jd6h4izn5oha._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:kaizen
Link:
https://tria.ge/reports/250516-jhqrnsck61/
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/37bc7079f501f16f30bdf417f607893ac16aee97ffbb9d0a3b48fc7e232deb8e

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_Threat_d2dca9e7
Create hunting rule
Author:Elastic Security
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
Rule name:unixredflags3
Create hunting rule
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 26bb82e5b22c1cbfa8ee5820b45bdda80869b6ca6a1ef5a1910203f8a2cbae1c

Mirai

elf 37bc7079f501f16f30bdf417f607893ac16aee97ffbb9d0a3b48fc7e232deb8e

(this sample)

  
Dropped by
SHA256 26bb82e5b22c1cbfa8ee5820b45bdda80869b6ca6a1ef5a1910203f8a2cbae1c
  
URLhaus
https://urlhaus.abuse.ch/url/3544601/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 a227268f9f79c88f46890422219a7c8f

Comments