MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b2a3139dfeeb155f06b9c9426e35a701265d7ef5d660e8b98b9cc8f3b9a7a26a. 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 13 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b2a3139dfeeb155f06b9c9426e35a701265d7ef5d660e8b98b9cc8f3b9a7a26a
SHA3-384 hash: bb3b33445ca1bed651c49beacc49a3629aed14e27aa147b5e29fa4843ddd8e2f8a886760f1e4007233329761ddd74a0e
SHA1 hash: f9435a1afe96a6afc14711f93088b0553b702a80
MD5 hash: 8eb509497876720e514ffd489d68bb52
humanhash: saturn-sixteen-blossom-wyoming
File name:i686
Download: download sample
Signature Mirai
Create hunting rule
File size:162'760 bytes
First seen:2025-12-27 23:58:29 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:wh04I2N7ldkrYJqbueBySjx+9GLtfwsQnZUQ3i1KO/hIB1TmH+:wjI2N7/krYUbueBySo/sbNEOemH+
TLSH T189F35B41FA87C5F6C817487060ABF73FCB32982A4077C69DEF999F31DA27901921629D
telfhash t1075178f66a7a0eed9bd08903e28f1b11ed0de57b386535b801f61be032779418179c39
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 1f6b1387889a5a1c63dcccacb98778b1dcb52dff3d413732b6c7af763d43bc5a
File size (compressed) :64'404 bytes
File size (de-compressed) :162'760 bytes
Format:linux/i386
Packed file: 1f6b1387889a5a1c63dcccacb98778b1dcb52dff3d413732b6c7af763d43bc5a

Intelligence

File Origin
# of uploads :
1
# of downloads :
47
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
Link:
https://research.acce.ciphertechsolutions.com/results/48473fb2-13cc-4884-8afe-3687af16f61e/
Detection(s):
Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Siggen.9999-14.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.Trojan.Mirai-9441505-0
Create hunting rule

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

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

Unix.Trojan.Mirai-10017298-0
Create hunting rule

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gafgyt mirai obfuscated
Link:
https://www.filescan.io/uploads/695072d1e126b9ff43937a8b/reports/d77525bd-3c30-4a0b-b2e6-6e7b3fb12dd7/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-27T22:16:00Z UTC
Last seen:
2025-12-27T23:53:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/b2a3139dfeeb155f06b9c9426e35a701265d7ef5d660e8b98b9cc8f3b9a7a26a/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/28c675e1-0a73-4b71-becd-69e1eaf3f73c
Behavior Graph:
Download SVG
%3 guuid=9da03a71-1f00-0000-685e-818861090000 pid=2401 /usr/bin/sudo guuid=f9672773-1f00-0000-685e-818864090000 pid=2404 /tmp/sample.bin net write-config write-file guuid=9da03a71-1f00-0000-685e-818861090000 pid=2401->guuid=f9672773-1f00-0000-685e-818864090000 pid=2404 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=f9672773-1f00-0000-685e-818864090000 pid=2404->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=c1531174-1f00-0000-685e-818865090000 pid=2405 /usr/bin/dash guuid=f9672773-1f00-0000-685e-818864090000 pid=2404->guuid=c1531174-1f00-0000-685e-818865090000 pid=2405 execve guuid=16e5cb77-1f00-0000-685e-81886e090000 pid=2414 /usr/bin/dash guuid=f9672773-1f00-0000-685e-818864090000 pid=2404->guuid=16e5cb77-1f00-0000-685e-81886e090000 pid=2414 execve guuid=dd027d7c-1f00-0000-685e-818874090000 pid=2420 /tmp/sample.bin guuid=f9672773-1f00-0000-685e-818864090000 pid=2404->guuid=dd027d7c-1f00-0000-685e-818874090000 pid=2420 clone guuid=e1b24fa9-2000-0000-685e-8188140c0000 pid=3092 /tmp/sample.bin guuid=f9672773-1f00-0000-685e-818864090000 pid=2404->guuid=e1b24fa9-2000-0000-685e-8188140c0000 pid=3092 clone guuid=c01055a9-2000-0000-685e-8188150c0000 pid=3093 /tmp/sample.bin dns net send-data zombie guuid=f9672773-1f00-0000-685e-818864090000 pid=2404->guuid=c01055a9-2000-0000-685e-8188150c0000 pid=3093 clone guuid=639c8974-1f00-0000-685e-818867090000 pid=2407 /usr/bin/systemctl guuid=c1531174-1f00-0000-685e-818865090000 pid=2405->guuid=639c8974-1f00-0000-685e-818867090000 pid=2407 execve guuid=e3996078-1f00-0000-685e-818871090000 pid=2417 /usr/bin/systemctl guuid=16e5cb77-1f00-0000-685e-81886e090000 pid=2414->guuid=e3996078-1f00-0000-685e-818871090000 pid=2417 execve guuid=6e93847c-1f00-0000-685e-818875090000 pid=2421 /tmp/sample.bin guuid=dd027d7c-1f00-0000-685e-818874090000 pid=2420->guuid=6e93847c-1f00-0000-685e-818875090000 pid=2421 clone guuid=a6aa8d7c-1f00-0000-685e-818876090000 pid=2422 /tmp/sample.bin net send-data zombie guuid=dd027d7c-1f00-0000-685e-818874090000 pid=2420->guuid=a6aa8d7c-1f00-0000-685e-818876090000 pid=2422 clone guuid=a6aa8d7c-1f00-0000-685e-818876090000 pid=2422->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con 54d92a3b-1447-55af-b534-047898c60c8d 1.1.1.1:53 guuid=a6aa8d7c-1f00-0000-685e-818876090000 pid=2422->54d92a3b-1447-55af-b534-047898c60c8d send: 185B 55e75a70-5f0f-5401-b0ef-995451b8fb69 teamc2.duckdns.org:12121 guuid=a6aa8d7c-1f00-0000-685e-818876090000 pid=2422->55e75a70-5f0f-5401-b0ef-995451b8fb69 send: 8B guuid=c01055a9-2000-0000-685e-8188150c0000 pid=3093->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=c01055a9-2000-0000-685e-8188150c0000 pid=3093->54d92a3b-1447-55af-b534-047898c60c8d send: 72B guuid=c01055a9-2000-0000-685e-8188150c0000 pid=3093->55e75a70-5f0f-5401-b0ef-995451b8fb69 send: 16B
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d8ef1947-eb5e-44b3-a4c4-7efeae75705f
Result
Threat name:
Gafgyt
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1840587
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Found malware configuration
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Gafgyt
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1840587 Sample: i686.elf Startdate: 28/12/2025 Architecture: LINUX Score: 88 31 169.254.169.254, 80 USDOSUS Reserved 2->31 33 teamc2.duckdns.org 151.242.30.13, 12121, 60882, 60884 RASANAIR Iran (ISLAMIC Republic Of) 2->33 35 daisy.ubuntu.com 2->35 37 Found malware configuration 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 Antivirus detection for dropped file 2->41 43 3 other signatures 2->43 8 i686.elf 2->8         started        11 python3.8 dpkg 2->11         started        signatures3 process4 file5 29 /usr/local/bin/infinitd, ELF 8->29 dropped 13 i686.elf sh 8->13         started        15 i686.elf sh 8->15         started        17 i686.elf 8->17         started        19 2 other processes 8->19 process6 process7 21 sh systemctl 13->21         started        23 sh systemctl 15->23         started        25 i686.elf 17->25         started        27 i686.elf 17->27         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b2a3139dfeeb155f06b9c9426e35a701265d7ef5d660e8b98b9cc8f3b9a7a26a
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b2a3139dfeeb155f06b9c9426e35a701265d7ef5d660e8b98b9cc8f3b9a7a26a/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-28 00:15:57 UTC
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wkrrhhp65mkv6bvzzfbg4nnhaetf27xv2zqoromlttephonhujva._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery linux persistence privilege_escalation
Link:
https://tria.ge/reports/251228-aa4h5abk3x/
Behaviour
Reads runtime system information
Enumerates running processes
Modifies systemd
Write file to user bin folder
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Malware Config
C2 Extraction:
teamc2.duckdns.org
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7100807-0
YARA:
n/a
Link:
https://app.threat.zone/submission/a6d330f0-9e18-4c62-8e61-a3339cac1859
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/b2a3139dfeeb155f06b9c9426e35a701265d7ef5d660e8b98b9cc8f3b9a7a26a

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:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Mirai_0cb1699c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_0d73971c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_268aac0b
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_2e3f67a9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_485c4b13
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_70ef58f1
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_7d05725e
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Create hunting rule
Author:Elastic Security
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 1f6b1387889a5a1c63dcccacb98778b1dcb52dff3d413732b6c7af763d43bc5a

Mirai

elf b2a3139dfeeb155f06b9c9426e35a701265d7ef5d660e8b98b9cc8f3b9a7a26a

(this sample)

  
Dropped by
SHA256 1f6b1387889a5a1c63dcccacb98778b1dcb52dff3d413732b6c7af763d43bc5a
  
URLhaus
https://urlhaus.abuse.ch/url/3722798/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 e75e7e6db60f2e3a60b29558076d4900
  
URLhaus
https://urlhaus.abuse.ch/url/3719336/
  
URLhaus
https://urlhaus.abuse.ch/url/3722808/

Comments