MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8a1f21af64cc73d9ffc32c7e6ec2ae145faa0b338c81695106afbad42981342f. 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


Okiru


Vendor detections: 9


Intelligence 9 IOCs YARA 4 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8a1f21af64cc73d9ffc32c7e6ec2ae145faa0b338c81695106afbad42981342f
SHA3-384 hash: 56106efb7ab3439010321624472eb26e8d095e975b67d73678d3110322a925c1d8bf61469ebfeda8556fd7c487843439
SHA1 hash: eceede5746ff8cfe476484bfd6938772379d65b5
MD5 hash: d119c207840d3925e3bcbf792b11d2bb
humanhash: bluebird-leopard-wisconsin-lactose
File name:d119c207840d3925e3bcbf792b11d2bb
Download: download sample
Signature Okiru
Create hunting rule
File size:129'920 bytes
First seen:2024-02-27 17:20:39 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:babDDLIJyTA5pTFq/oJkUCyAM1LCyKTPZjS45QaPhjNWZQPnl2E762e:bEcJVnk8AM1LETl5QaFNWiPnV7fe
TLSH T1EEC36A72E8256F58D295D170B0B08F791B9399C181576FBA29B7C3B48043C9EF609BF8
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Reporter zbetcheckin
Tags:32 elf mirai Okiru renesas

Intelligence

File Origin
# of uploads :
1
# of downloads :
312
Origin country :
FR FR
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.28880.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

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

Sanesecurity.Malware.28886.LC.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7136288-0
Create hunting rule

Unix.Trojan.Mirai-7138377-0
Create hunting rule

Unix.Trojan.Mirai-7674518-0
Create hunting rule

Unix.Trojan.Mirai-9441505-0
Create hunting rule

Unix.Trojan.Generic-9910199-0
Create hunting rule

Unix.Trojan.Gafgyt-9939811-0
Create hunting rule

Unix.Trojan.Mirai-9945193-0
Create hunting rule

Unix.Trojan.Mirai-9946826-0
Create hunting rule

Unix.Dropper.Mirai-10008433-0
Create hunting rule

Unix.Trojan.Mirai-10011027-0
Create hunting rule

Unix.Trojan.Mirai-10011918-0
Create hunting rule

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug lolbin remote
Link:
https://www.filescan.io/uploads/65de1a05c5e1a083fbfac366/reports/4bcf5edc-e903-4fdb-8178-351e651a7b17/overview
Result
Verdict:
MALICIOUS
Malware family:
8220 Gang
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e129e900-85bd-4082-9b2f-97520ce6bb3b
Result
Threat name:
Mirai, Okiru
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1399787
Signature
Antivirus / Scanner detection for submitted sample
Detected Mirai
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Uses known network protocols on non-standard ports
Yara detected Mirai
Yara detected Okiru
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1399787 Sample: 7lESNpA2F7.elf Startdate: 27/02/2024 Architecture: LINUX Score: 100 26 bngoc.skyljne.click 2->26 28 197.190.238.234 zain-asGH Ghana 2->28 30 99 other IPs or domains 2->30 32 Snort IDS alert for network traffic 2->32 34 Malicious sample detected (through community Yara rule) 2->34 36 Antivirus / Scanner detection for submitted sample 2->36 38 5 other signatures 2->38 8 7lESNpA2F7.elf 2->8         started        10 gnome-session-binary sh gsd-print-notifications 2->10         started        12 gdm3 Default 2->12         started        14 2 other processes 2->14 signatures3 process4 process5 16 7lESNpA2F7.elf 8->16         started        process6 18 7lESNpA2F7.elf 16->18         started        20 7lESNpA2F7.elf 16->20         started        22 7lESNpA2F7.elf 16->22         started        24 7lESNpA2F7.elf 16->24         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/8a1f21af64cc73d9ffc32c7e6ec2ae145faa0b338c81695106afbad42981342f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8a1f21af64cc73d9ffc32c7e6ec2ae145faa0b338c81695106afbad42981342f/
Threat name:
Linux.Trojan.Mirai
Create hunting rule
Status:
Malicious
First seen:
2024-02-27 16:27:37 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ripsdl3ezrz5t76dfr7g5qvocrp2ucztrsawsuigv65nikmbgqxq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai linux
Link:
https://tria.ge/reports/240227-vwzsaafb7t/
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/8a1f21af64cc73d9ffc32c7e6ec2ae145faa0b338c81695106afbad42981342f

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
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

Okiru

elf 8a1f21af64cc73d9ffc32c7e6ec2ae145faa0b338c81695106afbad42981342f

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2771683/

Comments


Avatar
zbet commented on 2024-02-27 17:20:40 UTC

url : hxxp://103.179.188.223/huhu.sh4