MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a2f79b984b9120fdbe336b6801f4f745751be878d22fae1200951c3671af16dd. 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: 6


Intelligence 6 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a2f79b984b9120fdbe336b6801f4f745751be878d22fae1200951c3671af16dd
SHA3-384 hash: ab0a33e25166a895896dd610f948113bfcdc2efbbcc6dd7ddd26135092947cd83983a4bf081cdf1636fb39385ac817f8
SHA1 hash: e7433b1cc61350dbbaab347918da0fac096f3946
MD5 hash: ce217c6ff5b9517132bb2f825750a2bb
humanhash: fruit-sixteen-salami-oxygen
File name:larm4
Download: download sample
Signature Mirai
Create hunting rule
File size:33'276 bytes
First seen:2025-08-18 07:18:53 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:EgIGeW1pdHSNtojygqmvggawEW3NbxO3UGg:E7Wro/GyTmv1EWyg
TLSH T163E2F225289D88B3C4A01E71862CC6C173759470DAA806F113CCEA8D6AC94C57FBF3A3
telfhash t10e9002a00156272033e418841a463a046c50386331000a688187c2382b660e8293c803
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

Intelligence

File Origin
# of uploads :
1
# of downloads :
77
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/68a2d40a419c816a6e8a15fa/reports/07887195-8f26-4c8f-a22b-2f328e907d9f/overview
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/90a3658c-8911-4955-83b7-a618fda1a967
Behavior Graph:
Download SVG
%3 guuid=4afc1c32-1700-0000-51b4-8892c50d0000 pid=3525 /usr/bin/sudo guuid=2584b733-1700-0000-51b4-8892cc0d0000 pid=3532 /tmp/sample.bin guuid=4afc1c32-1700-0000-51b4-8892c50d0000 pid=3525->guuid=2584b733-1700-0000-51b4-8892cc0d0000 pid=3532 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/e093ad18-978a-41ef-b5f0-afcba599f600
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1759087
Signature
Multi AV Scanner detection for submitted file
Sample tries to kill multiple processes (SIGKILL)
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1759087 Sample: larm4.elf Startdate: 18/08/2025 Architecture: LINUX Score: 60 23 bootaa.anondns.net 45.135.194.32, 37255, 57008 SKYLINKCZ Germany 2->23 25 109.202.202.202, 80 INIT7CH Switzerland 2->25 27 2 other IPs or domains 2->27 31 Multi AV Scanner detection for submitted file 2->31 33 Yara detected Mirai 2->33 8 larm4.elf 2->8         started        10 xfce4-session xfdesktop 2->10         started        12 xfce4-session xfce4-panel 2->12         started        14 10 other processes 2->14 signatures3 process4 process5 16 larm4.elf 8->16         started        process6 18 larm4.elf 16->18         started        21 larm4.elf 16->21         started        signatures7 29 Sample tries to kill multiple processes (SIGKILL) 18->29
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a2f79b984b9120fdbe336b6801f4f745751be878d22fae1200951c3671af16dd
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a2f79b984b9120fdbe336b6801f4f745751be878d22fae1200951c3671af16dd/
Threat name:
Linux.Trojan.Svirtu
Create hunting rule
Status:
Malicious
First seen:
2025-08-18 07:19:38 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ul3zxgclseqp3prtnnuad5hxiv2rx2dy2ix24eqasuodm4npc3oq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
antivm defense_evasion discovery
Link:
https://tria.ge/reports/250818-h5tlea1lt3/
Behaviour
Reads runtime system information
Changes its process name
Checks CPU configuration
Reads system network configuration
Enumerates active TCP sockets
Enumerates running processes
Modifies Watchdog functionality
Renames itself
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/3f8e4eac-480a-49e3-a332-13fd4de3d16e
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/a2f79b984b9120fdbe336b6801f4f745751be878d22fae1200951c3671af16dd

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:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:upx_antiunpack_elf32
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:UPX Anti-Unpacking technique to magic renamed for ELF32

File information

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

Web download

Mirai

elf a2f79b984b9120fdbe336b6801f4f745751be878d22fae1200951c3671af16dd

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3594231/
  
Delivery method
Distributed via web download

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