MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 def2ada2b4b3e56153d1acfb2ff5c0c6a5ef279a026899c8b98e7e79822ffcc5. 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

SHA256 hash: def2ada2b4b3e56153d1acfb2ff5c0c6a5ef279a026899c8b98e7e79822ffcc5
SHA3-384 hash: 52c4cfeb7cf3e9a2ede5705c5a1810af55bddcaa66f428f3432841825e0355da0f8a8b51816c22d2ee76a5eb3ed63515
SHA1 hash: 14d6bebd8ffb597c2c5385e24cd75da6bf1e514e
MD5 hash: 1771508830fe778cbea40b3e3aac6887
humanhash: nuts-arkansas-social-one
File name:larm5
Download: download sample
Signature Mirai
File size:31'772 bytes
First seen:2025-08-18 07:52:59 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:7kLfAvkBB3fAm+D/L0Kh97IW2XIJ3rkp3UGa:o9Y197InA3rUa
TLSH T10FE2E112D9DD59BBD3710DB2CC2B809025E649F0F4B6153B2D0E46367DA260398FEA8E
telfhash t1b99002f0412801097210d02030fc6171b1701cc2d30304109000de1c7f49c934091847
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 :
79
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Status:
terminated
Behavior Graph:
%3 guuid=36748aca-1800-0000-2dd5-bdcc110a0000 pid=2577 /usr/bin/sudo guuid=7842a7cc-1800-0000-2dd5-bdcc190a0000 pid=2585 /tmp/sample.bin guuid=36748aca-1800-0000-2dd5-bdcc110a0000 pid=2577->guuid=7842a7cc-1800-0000-2dd5-bdcc190a0000 pid=2585 execve
Result
Threat name:
Detection:
malicious
Classification:
spre.troj
Score:
60 / 100
Signature
Multi AV Scanner detection for submitted file
Sample tries to kill multiple processes (SIGKILL)
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1759113 Sample: larm5.elf Startdate: 18/08/2025 Architecture: LINUX Score: 60 23 bootaa.anondns.net 45.135.194.32, 37255, 57012 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 larm5.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 larm5.elf 8->16         started        process6 18 larm5.elf 16->18         started        21 larm5.elf 16->21         started        signatures7 29 Sample tries to kill multiple processes (SIGKILL) 18->29
Threat name:
Linux.Trojan.Svirtu
Status:
Malicious
First seen:
2025-08-18 07:53:35 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
antivm defense_evasion discovery
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
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:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:upx_antiunpack_elf32
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 def2ada2b4b3e56153d1acfb2ff5c0c6a5ef279a026899c8b98e7e79822ffcc5

(this sample)

  
Delivery method
Distributed via web download

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