MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0b1c4e7b9e3b42ef4f12caecb2d831e652bddc082b174b3cbc7a83e511fa234f. 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: 8


Intelligence 8 IOCs YARA 12 File information Comments

SHA256 hash: 0b1c4e7b9e3b42ef4f12caecb2d831e652bddc082b174b3cbc7a83e511fa234f
SHA3-384 hash: f916b35d2bf48d24e9cc1b20f6518ca5ee88410c6da8294a1e77a4225a38f759c7da3ee4f495fd940fbfe6ff93b4e4ca
SHA1 hash: f75bc5e3cb39159cb2a9cd791e505162d6d24baf
MD5 hash: 75b5f0eecf1dfc847c53290cb9161a06
humanhash: colorado-single-kentucky-coffee
File name:Yboats.arm5
Download: download sample
Signature Mirai
File size:100'188 bytes
First seen:2025-12-03 07:27:47 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:bsMBnmDEZZ50XY/1MRra+UtQj5EWDA79OhGhyf8TZX56V825YAbI3zP5cJWwHa4y:JdZmXq2jiVwJjI6sYtppu4vT3S6
TLSH T1A2A32B46BCD1DA6AC6D023BBBB2E229C332153E8D2DF7117DC24176826CA55E1F37A41
telfhash t19ee0df40ac699e2c98d7aa74dddd07a496016223556a4b10cf10dbe4883f458e30ce5e
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 f16f375df54b3c485164167423f7278339a1f7d87f9384be20a1dfb57e131d89
File size (compressed) :32'560 bytes
File size (de-compressed) :100'188 bytes
Format:linux/arm
Packed file: f16f375df54b3c485164167423f7278339a1f7d87f9384be20a1dfb57e131d89

Intelligence


File Origin
# of uploads :
1
# of downloads :
22
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
Result
Gathering data
Result
Threat name:
Mirai, Okiru
Detection:
malicious
Classification:
troj
Score:
88 / 100
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Mirai
Yara detected Okiru
Behaviour
Behavior Graph:
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-12-03 07:28:27 UTC
File Type:
ELF32 Little (Exe)
AV detection:
22 of 36 (61.11%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:unstable
Malware Config
C2 Extraction:
cnc.504.su
scan.504.su
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:CVE_2017_17215
Author:NDA0E
Description:Detects exploitation attempt of CVE-2017-17215
Rule name:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:iot_req_metachar
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_1ac392ca
Author:Elastic Security
Rule name:Linux_Generic_Threat_3bcc1630
Author:Elastic Security
Rule name:MAL_ELF_LNX_Mirai_Oct10_1
Author:Florian Roth (Nextron Systems)
Description:Detects ELF Mirai variant
Reference:Internal Research
Rule name:MAL_ELF_LNX_Mirai_Oct10_1_RID2F39
Author:Florian Roth
Description:Detects ELF Mirai variant
Reference:Internal Research
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:SUSP_XORed_Mozilla_Oct19
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
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
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

Mirai

elf 0b1c4e7b9e3b42ef4f12caecb2d831e652bddc082b174b3cbc7a83e511fa234f

(this sample)

  
Delivery method
Distributed via web download

Comments