MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b2a2fcb79e9622a70cd26fc2280f4aeefd78a4d06f204acc3a153b95cd4ce238. 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: 10


Intelligence 10 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b2a2fcb79e9622a70cd26fc2280f4aeefd78a4d06f204acc3a153b95cd4ce238
SHA3-384 hash: 736638ce174df0f9ef2fc02b65e84048255e3ec0734855c4488bbc7959ad29e958d77cbabddbc69473ff57ca19e80783
SHA1 hash: 87c376bd6447814cbaf42959047a304f1dcd71ab
MD5 hash: 220d2a78396b87a1ab3a3ef8e003cb8b
humanhash: summer-virginia-east-ten
File name:arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:154'088 bytes
First seen:2026-07-13 07:55:04 UTC
Last seen:2026-07-13 08:19:53 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:H6DpWt0fyTy73xOQXg4u5TBqOFacyONrbUacRuWL6m11HzhYoTkiOnbWFW:H6DpiwQy7JX9uLqOaHw/UacRuWL6mzHy
TLSH T1B6E3175AB8829E21D4D622BEFE4F518D332367E8E3EE7112DD145B2437CA51B0E7B502
telfhash t189d05b36de5800f877559153c5ee830d12a590bd2305281bb8981a1475411d1723a446
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
2
# of downloads :
81
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.31069.LX.BOT.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.31075.LX.BOT.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7135872-0
Create hunting rule

Unix.Trojan.Mirai-7755770-0
Create hunting rule

Unix.Trojan.Mirai-7759336-0
Create hunting rule

Unix.Trojan.Mirai-7772538-0
Create hunting rule

Unix.Trojan.Mirai-9885259-0
Create hunting rule

Unix.Trojan.Mirai-9924065-0
Create hunting rule

Unix.Trojan.Gafgyt-9940653-0
Create hunting rule

Unix.Trojan.Mirai-9951089-0
Create hunting rule

Unix.Trojan.Mirai-10004218-0
Create hunting rule

Unix.Trojan.Gafgyt-6735924-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Creating a file
Sends data to a server
Receives data from a server
Runs as daemon
Opens a port
Collects information on the CPU
Collects information on the RAM
Connection attempt
Performs a bruteforce attack in the network
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
anti-vm expand lolbin rust
Link:
https://www.filescan.io/uploads/6a549a03c708f82bbab2fdb2/reports/de0ef689-1a83-48d1-8426-f0d3baa83835/overview
Verdict:
Malicious
Uses P2P?:
true
Uses anti-vm?:
true
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
36
Number of processes launched:
6
Processes remaning?
false
Remote TCP ports scanned:
2323,23
Full report:
https://elfdigest.com/brief/b2a2fcb79e9622a70cd26fc2280f4aeefd78a4d06f204acc3a153b95cd4ce238
Behaviour
Anti-VM
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
type: 74.125.250.129:19302
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-07-13T05:10:00Z UTC
Last seen:
2026-07-13T12:58:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/b2a2fcb79e9622a70cd26fc2280f4aeefd78a4d06f204acc3a153b95cd4ce238/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/2ffbadc8-0f34-4d68-8df1-8bc001d5110d
Behavior Graph:
Download SVG
%3 guuid=a38b0ee1-1e00-0000-ae7d-4bfa3d140000 pid=5181 /usr/bin/sudo guuid=f93fd7e4-1e00-0000-ae7d-4bfa3e140000 pid=5182 /tmp/sample.bin guuid=a38b0ee1-1e00-0000-ae7d-4bfa3d140000 pid=5181->guuid=f93fd7e4-1e00-0000-ae7d-4bfa3e140000 pid=5182 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/40bb1f66-e3ae-4c33-bba7-2564b2da537a
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/1941376
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Opens /proc/net/* files useful for finding connected devices and routers
Sample tries to kill multiple processes (SIGKILL)
Uses known network protocols on non-standard ports
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1941376 Sample: arm7.elf Startdate: 13/07/2026 Architecture: LINUX Score: 76 35 190.47.95.238 VTRBANDAANCHASACL Chile 2->35 37 45.94.158.119 VPS-UA-ASUA Ukraine 2->37 39 103 other IPs or domains 2->39 43 Antivirus / Scanner detection for submitted sample 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 Yara detected Mirai 2->47 49 Uses known network protocols on non-standard ports 2->49 9 arm7.elf 2->9         started        12 gnome-session-binary sh gsd-print-notifications 2->12         started        14 gnome-session-binary sh gnome-shell 2->14         started        16 8 other processes 2->16 signatures3 process4 signatures5 51 Opens /proc/net/* files useful for finding connected devices and routers 9->51 18 arm7.elf 9->18         started        21 arm7.elf 9->21         started        23 arm7.elf 9->23         started        25 gsd-print-notifications 12->25         started        process6 signatures7 41 Sample tries to kill multiple processes (SIGKILL) 18->41 27 arm7.elf 21->27         started        29 gsd-print-notifications gsd-printer 25->29         started        process8 process9 31 arm7.elf 27->31         started        33 arm7.elf 27->33         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b2a2fcb79e9622a70cd26fc2280f4aeefd78a4d06f204acc3a153b95cd4ce238
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b2a2fcb79e9622a70cd26fc2280f4aeefd78a4d06f204acc3a153b95cd4ce238/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-07-13 07:56:30 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wkrpzn46syrkodgsn7bcqd2k536xrjgqn4qevtb2cu5zltkm4i4a._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
antivm discovery
Link:
https://tria.ge/reports/260713-jskcmsdy2j/
Behaviour
Reads runtime system information
Checks CPU configuration
Reads system network configuration
Enumerates active TCP sockets
Reads system routing table
Unexpected DNS network traffic destination
Contacts a large (59453) 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.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/b2a2fcb79e9622a70cd26fc2280f4aeefd78a4d06f204acc3a153b95cd4ce238

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_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_8299c877
Create hunting rule
Author:Elastic Security
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
Rule name:unixredflags3
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags
Rule name:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques
Rule name:woof_mirai_variant
Create hunting rule
Author:Nokia Deepfield ERT
Description:Detects Woof Mirai variant (ChaCha20 table, HTTP C2 with token/guid, .woof dropper)
Reference:Internal analysis of sample 6ef4ce02

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf b2a2fcb79e9622a70cd26fc2280f4aeefd78a4d06f204acc3a153b95cd4ce238

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3885807/
  
Delivery method
Distributed via web download

Comments