MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 72b5b8fd7b6dcd0ffbc188b947a0861b3ad30d11b85f84853a37a51f1f028291. 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: 9


Intelligence 9 IOCs YARA 2 File information Comments

SHA256 hash: 72b5b8fd7b6dcd0ffbc188b947a0861b3ad30d11b85f84853a37a51f1f028291
SHA3-384 hash: 76ecd9b55a22a61cd07cb5ec5054263920b1349a16a275a6723cef992ee6442dbc7c325d90d341fd5ac9a7217c7574bd
SHA1 hash: e3e59321612e8d0d5e40d33bde8038a7927b9de1
MD5 hash: 042d1ce46a5c666fbb7d5c3d62ae60cd
humanhash: green-kilo-beer-river
File name:splarm7
Download: download sample
Signature Mirai
File size:105'088 bytes
First seen:2025-12-25 23:40:26 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:q/0gYlJAoClSGJac9OmTBleujEvv7Ex/SqT28:q/0llJPAaGOmTBleuQvv7u/T
TLSH T1F5A3F78ABC819B21C5D522BEFE1E518D335357B8E3EF7202DD245B25678A82B0E7B501
telfhash t1c5d02bfbef2144dce3d0c690926d31c62be1b16d2e016003045c7fcd5083890314be03
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
39
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
mirai rust
Result
Gathering data
Status:
terminated
Behavior Graph:
%3 guuid=7ef485e7-1900-0000-b07f-1ad735070000 pid=1845 /usr/bin/sudo guuid=a86ebbea-1900-0000-b07f-1ad73e070000 pid=1854 /tmp/sample.bin guuid=7ef485e7-1900-0000-b07f-1ad735070000 pid=1845->guuid=a86ebbea-1900-0000-b07f-1ad73e070000 pid=1854 execve
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj
Score:
52 / 100
Signature
Connects to many IPs within the same subnet mask (likely port scanning)
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1839500 Sample: splarm7.elf Startdate: 26/12/2025 Architecture: LINUX Score: 52 24 85.163.105.12, 23, 33430 CETIN-ASCZ Czech Republic 2->24 26 85.163.105.14, 23, 47000, 47090 CETIN-ASCZ Czech Republic 2->26 28 100 other IPs or domains 2->28 30 Multi AV Scanner detection for submitted file 2->30 32 Connects to many IPs within the same subnet mask (likely port scanning) 2->32 8 dash rm splarm7.elf 2->8         started        10 dash rm 2->10         started        12 dash head 2->12         started        14 7 other processes 2->14 signatures3 process4 process5 16 splarm7.elf 8->16         started        process6 18 splarm7.elf 16->18         started        20 splarm7.elf 16->20         started        22 splarm7.elf 16->22         started       
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-12-25 23:41:17 UTC
File Type:
ELF32 Little (Exe)
AV detection:
12 of 36 (33.33%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Creates a large amount of network flows
Enumerates active TCP sockets
Renames itself
Contacts a large (15267) amount of remote hosts
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7755770-0
YARA:
n/a
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:Linux_Generic_Threat_8299c877
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

Mirai

elf 72b5b8fd7b6dcd0ffbc188b947a0861b3ad30d11b85f84853a37a51f1f028291

(this sample)

  
Delivery method
Distributed via web download

Comments