MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b8d9cbdcf681051e32375334aa649bd29bd47980107a4dde3f6ecaad80fa4706. 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: 11


Intelligence 11 IOCs YARA 4 File information Comments

SHA256 hash: b8d9cbdcf681051e32375334aa649bd29bd47980107a4dde3f6ecaad80fa4706
SHA3-384 hash: 7c339227ffb2a26347d600b1dd152452313a47f96f1240b6ad505808fd1c64aca6faba2a8b1eb8ef0fcf50cda77836ce
SHA1 hash: 9f92c2830c885d60158dbe2b246aabc64118da55
MD5 hash: ea5c25b38c5eb768e8febe10c4f484e9
humanhash: bravo-uncle-freddie-august
File name:huhu.mips
Download: download sample
Signature Okiru
File size:190'356 bytes
First seen:2024-02-27 16:57:15 UTC
Last seen:2024-02-28 09:03:27 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:flWcXjXjnAvNzWDzY6GrVOCZQrd2O9uVRwufRWfuJ:fscXIvNa5YVjOrYO9Kwu5W2J
TLSH T15A14975E6E228F7DF6A8873147B74E25975C23DA27E1D680E1ACC1105F6038E641FFA8
telfhash t18741b41c0ab817a066796c4d499dff3bd6b720db7e262c378e10e86aa769f435d10c0d
Reporter elfdigest
Tags:mirai Okiru

Intelligence


File Origin
# of uploads :
27
# of downloads :
255
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
Runs as daemon
DNS request
Sends data to a server
Connection attempt
Substitutes an application name
Deletes a system binary file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug bash lolbin masquerade remote
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
103.179.188.223
Number of open files:
42
Number of processes launched:
6
Processes remaning?
true
Remote TCP ports scanned:
8080,37215
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
type:Moobot 103.179.188.223:19990
UDP botnet C2(s):
not identified
Result
Verdict:
MALICIOUS
Result
Threat name:
Mirai, Okiru
Detection:
malicious
Classification:
troj
Score:
100 / 100
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1399755 Sample: huhu.mips.elf Startdate: 27/02/2024 Architecture: LINUX Score: 100 30 bngoc.skyljne.click 2->30 32 45.208.206.183, 8080 zain-asGH Ghana 2->32 34 99 other IPs or domains 2->34 36 Snort IDS alert for network traffic 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 Antivirus / Scanner detection for submitted sample 2->40 42 5 other signatures 2->42 8 gnome-session-binary sh gsd-print-notifications 2->8         started        10 huhu.mips.elf 2->10         started        12 dash rm 2->12         started        14 3 other processes 2->14 signatures3 process4 process5 16 gsd-print-notifications 8->16         started        18 huhu.mips.elf 10->18         started        process6 20 gsd-print-notifications gsd-printer 16->20         started        22 huhu.mips.elf 18->22         started        24 huhu.mips.elf 18->24         started        26 huhu.mips.elf 18->26         started        28 huhu.mips.elf 18->28         started       
Threat name:
Linux.Trojan.Mirai
Status:
Malicious
First seen:
2024-02-27 16:30:11 UTC
File Type:
ELF32 Big (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai discovery
Behaviour
Reads runtime system information
Enumerates running processes
Changes its process name
Contacts a large (72735) amount of remote hosts
Creates a large amount of network flows
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Author:Elastic Security
Rule name:unixredflags3
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 b8d9cbdcf681051e32375334aa649bd29bd47980107a4dde3f6ecaad80fa4706

(this sample)

  
Delivery method
Distributed via web download

Comments