MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a4245666f7de7ae220ee59032141dd706d600cf2ccd54735becb6868e9dbf773. 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: 7


Intelligence 7 IOCs YARA 2 File information Comments

SHA256 hash: a4245666f7de7ae220ee59032141dd706d600cf2ccd54735becb6868e9dbf773
SHA3-384 hash: e983abe63968a7fcd5a000e45ac349d8b8cf5a3b36e1ecd926e9868b99e1e3fac66f4d5557398f4fa064b68f757a7247
SHA1 hash: 148db213ca3f97c5e03c559e90cd0697d68f3292
MD5 hash: af583722c8bbcfb4fc30abc399e13c37
humanhash: alabama-happy-neptune-seventeen
File name:Pj2b
Download: download sample
Signature Mirai
File size:89'768 bytes
First seen:2026-07-16 21:33:06 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:1FroKo+uCbCnX2VYIDnAWIiXKu5697bWvyI2E/QFEgccZifp7:T5FuCbCnXYY0nAwhSFs
TLSH T18793D94AAF651EFBD82FCD3705A8074235CCA60775B437753538C928BA4A94B8AD3CB4
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 :
78
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
mirai
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-07-16T19:12:00Z UTC
Last seen:
2026-07-18T14:45:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=c6477579-1900-0000-6dfa-e7fb2d140000 pid=5165 /usr/bin/sudo guuid=9215e17c-1900-0000-6dfa-e7fb2e140000 pid=5166 /tmp/sample.bin guuid=c6477579-1900-0000-6dfa-e7fb2d140000 pid=5165->guuid=9215e17c-1900-0000-6dfa-e7fb2e140000 pid=5166 execve
Result
Threat name:
n/a
Detection:
suspicious
Classification:
spre
Score:
25 / 100
Signature
Sample tries to kill multiple processes (SIGKILL)
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1943889 Sample: Pj2b.elf Startdate: 16/07/2026 Architecture: LINUX Score: 25 32 109.202.202.202, 80 INIT7CH Switzerland 2->32 34 94.154.43.102, 345, 53114 CDNEXTGB Turkey 2->34 36 3 other IPs or domains 2->36 8 Pj2b.elf 2->8         started        10 xfce4-panel wrapper-2.0 2->10         started        12 xfce4-panel wrapper-2.0 2->12         started        14 7 other processes 2->14 process3 process4 16 Pj2b.elf 8->16         started        18 wrapper-2.0 xfpm-power-backlight-helper 10->18         started        process5 20 Pj2b.elf 16->20         started        signatures6 38 Sample tries to kill multiple processes (SIGKILL) 20->38 23 Pj2b.elf 20->23         started        26 Pj2b.elf 20->26         started        28 Pj2b.elf 20->28         started        30 4 other processes 20->30 process7 signatures8 40 Sample tries to kill multiple processes (SIGKILL) 23->40
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2026-07-16 21:34:15 UTC
File Type:
ELF32 Little (Exe)
AV detection:
10 of 24 (41.67%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  6/10
Tags:
antivm discovery
Behaviour
Reads runtime system information
Checks CPU configuration
Enumerates running processes
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: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 a4245666f7de7ae220ee59032141dd706d600cf2ccd54735becb6868e9dbf773

(this sample)

  
Delivery method
Distributed via web download

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