MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 efe2779f97ee6ccd7eece4e391143c64ab1aa6bbee4847cb0e7ad2a0f4edf11d. 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
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SHA256 hash: efe2779f97ee6ccd7eece4e391143c64ab1aa6bbee4847cb0e7ad2a0f4edf11d
SHA3-384 hash: 6bf3a2c669bd917333b24b863a947c1a0ac8f2b259a7feea452f5d012dc88ede78a1f805c0f99735226eae8289c09b5c
SHA1 hash: 8ae32b67cc2b25b5a74970762c9ed035cafa91a9
MD5 hash: 23a2f0f12e9ffede8728eb8420959cc3
humanhash: eleven-fix-massachusetts-whiskey
File name:Orbt.arm
Download: download sample
Signature Mirai
Create hunting rule
File size:193'184 bytes
First seen:2025-10-22 22:47:59 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:2xRZnCcFMIsKBtK5Dq8BZqG4YNY7LppmAd4oPYjSHY+bYXxbm:2xRZnCcFMIsKj6x4FnDd4/jQYOYXxK
TLSH T16D143A45FC918E67C6D513BBFB5E428D372627A8D2EE32038D255F2137CA55B0E3A602
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 e8a28b19dd1661862aca3f278b496bb6ed82fc25bfe603e3bb38fe5b2b008192
File size (compressed) :72'356 bytes
File size (de-compressed) :193'184 bytes
Format:linux/arm
Packed file: e8a28b19dd1661862aca3f278b496bb6ed82fc25bfe603e3bb38fe5b2b008192

Intelligence

File Origin
# of uploads :
1
# of downloads :
92
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Siggen.9999-6.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7100807-0
Create hunting rule

Unix.Dropper.Mirai-7135897-0
Create hunting rule

Unix.Dropper.Mirai-7135901-0
Create hunting rule

Unix.Dropper.Mirai-7135909-0
Create hunting rule

Unix.Trojan.Mirai-7135916-0
Create hunting rule

Unix.Dropper.Mirai-7135918-0
Create hunting rule

Unix.Dropper.Mirai-7135954-0
Create hunting rule

Unix.Dropper.Mirai-7136016-0
Create hunting rule

Unix.Dropper.Mirai-7136028-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

Unix.Dropper.Mirai-10007027-0
Create hunting rule

Unix.Trojan.Mirai-10009361-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade obfuscated rust
Link:
https://www.filescan.io/uploads/68f95f483a79800405f1e852/reports/0153da8f-556d-422f-93cf-81642b9fd40c/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-10-22T21:00:00Z UTC
Last seen:
2025-10-23T12:39:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/efe2779f97ee6ccd7eece4e391143c64ab1aa6bbee4847cb0e7ad2a0f4edf11d/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/855dc93e-063f-4990-86bd-3c952d27950e
Behavior Graph:
Download SVG
%3 guuid=22c796fb-1a00-0000-82a3-20a5100a0000 pid=2576 /usr/bin/sudo guuid=5758c6fd-1a00-0000-82a3-20a5190a0000 pid=2585 /tmp/sample.bin guuid=22c796fb-1a00-0000-82a3-20a5100a0000 pid=2576->guuid=5758c6fd-1a00-0000-82a3-20a5190a0000 pid=2585 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3d8b3ed3-c857-4869-9bb6-1172d459fa6c
Result
Threat name:
Gafgyt
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1800219
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Uses dynamic DNS services
Yara detected Gafgyt
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1800219 Sample: Orbt.arm.elf Startdate: 23/10/2025 Architecture: LINUX Score: 68 22 mirailoversddos.duckdns.org 2->22 24 169.254.169.254, 80 USDOSUS Reserved 2->24 26 2 other IPs or domains 2->26 28 Antivirus / Scanner detection for submitted sample 2->28 30 Multi AV Scanner detection for submitted file 2->30 32 Yara detected Gafgyt 2->32 8 Orbt.arm.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 34 Uses dynamic DNS services 22->34 process4 process5 12 Orbt.arm.elf 8->12         started        14 Orbt.arm.elf 8->14         started        16 Orbt.arm.elf 8->16         started        process6 18 Orbt.arm.elf 12->18         started        20 Orbt.arm.elf 12->20         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/efe2779f97ee6ccd7eece4e391143c64ab1aa6bbee4847cb0e7ad2a0f4edf11d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/efe2779f97ee6ccd7eece4e391143c64ab1aa6bbee4847cb0e7ad2a0f4edf11d/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-10-22 22:48:43 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=57rhph4x5zwm27xm4trzcfb4msvrvjv35zeepsyopljkb5hn6eoq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai
Link:
https://tria.ge/reports/251022-2rfl6sdn31/
Malware Config
C2 Extraction:
mirailoversddos.duckdns.org
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7100807-0
YARA:
n/a
Link:
https://app.threat.zone/submission/c73d7351-32fc-4c98-99f7-294abd7309f6
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/efe2779f97ee6ccd7eece4e391143c64ab1aa6bbee4847cb0e7ad2a0f4edf11d

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_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
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: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 e8a28b19dd1661862aca3f278b496bb6ed82fc25bfe603e3bb38fe5b2b008192

Mirai

elf efe2779f97ee6ccd7eece4e391143c64ab1aa6bbee4847cb0e7ad2a0f4edf11d

(this sample)

  
Dropped by
SHA256 e8a28b19dd1661862aca3f278b496bb6ed82fc25bfe603e3bb38fe5b2b008192
  
URLhaus
https://urlhaus.abuse.ch/url/3682109/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 7a65e44bd8949be76e1ecebd7591e583

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