MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7b8b09f7203db6810dc8379aa18a0d01d29b132437c7c6a722d3dbbe7fb2573f. 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 8 File information Comments

SHA256 hash: 7b8b09f7203db6810dc8379aa18a0d01d29b132437c7c6a722d3dbbe7fb2573f
SHA3-384 hash: 83c1b1b0359dc27376de190851f22be8517d0e73e0c60248a4aaf42283eb11a81f0762655efde0d60a86c580e8bd0b49
SHA1 hash: c1a1fa2d3592ead95221dc545c5b304879cea076
MD5 hash: f6ceaca4d5e2c8598b954bc508fd82fe
humanhash: ceiling-freddie-violet-delaware
File name:nz.arm
Download: download sample
Signature Mirai
File size:92'256 bytes
First seen:2026-03-30 00:29:42 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:tOd4vdGhFbQFFKyELib8jPWL4nteyXffdqs8amv92w:tOd4vOFkvYzjPi4nNPb492w
TLSH T139934B45FC919A12C6D5137BFB2E228E372663A4E2DE3203DE156F22338659B0D7B741
telfhash t11151f0f6eb900ecc2bd8924482de752d4fed316e17052497d65caf8f98439c2b12e827
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 530c362961621cd44eef36f02bcd6ab5d1fe45e78a883686b53aa2be7fb3456c
File size (compressed) :41'636 bytes
File size (de-compressed) :92'256 bytes
Format:linux/arm
Packed file: 530c362961621cd44eef36f02bcd6ab5d1fe45e78a883686b53aa2be7fb3456c

Intelligence


File Origin
# of uploads :
1
# of downloads :
76
Origin country :
NL NL
Vendor Threat Intelligence
Gathering data
Result
Verdict:
Malware
Maliciousness:
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
48
Number of processes launched:
5
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-03-29T22:42:00Z UTC
Last seen:
2026-03-30T01:34:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=16d52cd5-1a00-0000-a7f7-ecf3720b0000 pid=2930 /usr/bin/sudo guuid=d0e7a9d8-1a00-0000-a7f7-ecf3770b0000 pid=2935 /tmp/sample.bin guuid=16d52cd5-1a00-0000-a7f7-ecf3720b0000 pid=2930->guuid=d0e7a9d8-1a00-0000-a7f7-ecf3770b0000 pid=2935 execve
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-03-30 00:30:31 UTC
File Type:
ELF32 Little (Exe)
AV detection:
23 of 36 (63.89%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai
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:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:ELF_Toriilike_persist
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_d94e1020
Author:Elastic Security
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:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
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 7b8b09f7203db6810dc8379aa18a0d01d29b132437c7c6a722d3dbbe7fb2573f

(this sample)

  
Delivery method
Distributed via web download

Comments