MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fc09cf6556d51f47fac884e51c4eff76d43bf44ab9dba7578123d8aa19dd3585. 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: fc09cf6556d51f47fac884e51c4eff76d43bf44ab9dba7578123d8aa19dd3585
SHA3-384 hash: 2901fe528c5dd8fc4e6129c1aa985f7c76aaa1e7dd06014e8606cbcecb304e875826b167759725a4a61256f31e73a891
SHA1 hash: 29aec684f3603d2a0de11a0f681c60d5dd009e21
MD5 hash: 7e219b47e1417a0a965b98adaf69e812
humanhash: mars-mexico-seventeen-one
File name:fc09cf6556d51f47fac884e51c4eff76d43bf44ab9dba7578123d8aa19dd3585.elf
Download: download sample
Signature Mirai
File size:60'956 bytes
First seen:2026-08-06 23:29:14 UTC
Last seen:Never
File type: elf
MIME type:application/x-sharedlib
ssdeep 1536:/lWnNvVkpdSUxQ4gXxoeoO0CVNF5n5lO5t:UTuxQZo2D545t
TLSH T1DF53026AC147C2B1C1799A322F0C43F4DD71E5C217A79F8BA689F1BD48A7F906444399
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 whack_sh
Tags:elf exe mirai UPX whack.sh
File size (compressed) :60'956 bytes
File size (de-compressed) :124'808 bytes
Format:linux/amd64
Unpacked file: 2bcd14ad3499be6f1bc2b4b569df53ee9b70f6dc7eb3865bd6229650a3d634f3

Intelligence


File Origin
# of uploads :
1
# of downloads :
174
Origin country :
US US
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creates or modifies symbolic links
Creating a file
Connection attempt
Sets a written file as executable
Changes access rights for a written file
Changes the time when the file was created, accessed, or modified
Runs as daemon
Opens a port
Writes files to system directory
Creates or modifies files in /cron to set up autorun
Substitutes an application name
Deleting of the original file
Creates or modifies files in /init.d to set up autorun
Creates or modifies symbolic links in /init.d to set up autorun
Creates or modifies files to set up autorun
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
packed upx
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2026-08-06T21:07:00Z UTC
Last seen:
2026-08-06T21:49:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=e676549d-1900-0000-9077-cce137060000 pid=1591 /usr/bin/sudo guuid=e699bea0-1900-0000-9077-cce13f060000 pid=1599 /tmp/sample.bin delete-file mprotect-exec net write-config write-file guuid=e676549d-1900-0000-9077-cce137060000 pid=1591->guuid=e699bea0-1900-0000-9077-cce13f060000 pid=1599 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=e699bea0-1900-0000-9077-cce13f060000 pid=1599->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=40150ba2-1900-0000-9077-cce143060000 pid=1603 /usr/bin/dash guuid=e699bea0-1900-0000-9077-cce13f060000 pid=1599->guuid=40150ba2-1900-0000-9077-cce143060000 pid=1603 execve guuid=3b6a49a2-1900-0000-9077-cce144060000 pid=1604 /usr/bin/dash guuid=e699bea0-1900-0000-9077-cce13f060000 pid=1599->guuid=3b6a49a2-1900-0000-9077-cce144060000 pid=1604 execve guuid=9713aaa3-1900-0000-9077-cce149060000 pid=1609 /usr/bin/chattr zombie guuid=e699bea0-1900-0000-9077-cce13f060000 pid=1599->guuid=9713aaa3-1900-0000-9077-cce149060000 pid=1609 execve guuid=291bb7a3-1900-0000-9077-cce14a060000 pid=1610 /usr/bin/chattr zombie guuid=e699bea0-1900-0000-9077-cce13f060000 pid=1599->guuid=291bb7a3-1900-0000-9077-cce14a060000 pid=1610 execve guuid=7697baa3-1900-0000-9077-cce14b060000 pid=1611 /usr/bin/chattr zombie guuid=e699bea0-1900-0000-9077-cce13f060000 pid=1599->guuid=7697baa3-1900-0000-9077-cce14b060000 pid=1611 execve guuid=c545bea3-1900-0000-9077-cce14c060000 pid=1612 /usr/bin/busybox zombie guuid=e699bea0-1900-0000-9077-cce13f060000 pid=1599->guuid=c545bea3-1900-0000-9077-cce14c060000 pid=1612 execve guuid=04f2c1a3-1900-0000-9077-cce14d060000 pid=1613 /usr/bin/busybox zombie guuid=e699bea0-1900-0000-9077-cce13f060000 pid=1599->guuid=04f2c1a3-1900-0000-9077-cce14d060000 pid=1613 execve guuid=73cdc7a3-1900-0000-9077-cce14e060000 pid=1614 /usr/bin/busybox zombie guuid=e699bea0-1900-0000-9077-cce13f060000 pid=1599->guuid=73cdc7a3-1900-0000-9077-cce14e060000 pid=1614 execve guuid=65bacaa3-1900-0000-9077-cce14f060000 pid=1615 /tmp/sample.bin net send-data zombie guuid=e699bea0-1900-0000-9077-cce13f060000 pid=1599->guuid=65bacaa3-1900-0000-9077-cce14f060000 pid=1615 clone guuid=938a7ca2-1900-0000-9077-cce145060000 pid=1605 /usr/bin/dash guuid=3b6a49a2-1900-0000-9077-cce144060000 pid=1604->guuid=938a7ca2-1900-0000-9077-cce145060000 pid=1605 clone guuid=81dd80a2-1900-0000-9077-cce146060000 pid=1606 /usr/bin/dash guuid=3b6a49a2-1900-0000-9077-cce144060000 pid=1604->guuid=81dd80a2-1900-0000-9077-cce146060000 pid=1606 clone guuid=65bacaa3-1900-0000-9077-cce14f060000 pid=1615->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con 706d8119-5804-563f-93fb-1ad04086f3d8 64.89.163.215:666 guuid=65bacaa3-1900-0000-9077-cce14f060000 pid=1615->706d8119-5804-563f-93fb-1ad04086f3d8 send: 90B guuid=357da5a4-1900-0000-9077-cce150060000 pid=1616 /tmp/sample.bin guuid=65bacaa3-1900-0000-9077-cce14f060000 pid=1615->guuid=357da5a4-1900-0000-9077-cce150060000 pid=1616 clone guuid=9ec2aca4-1900-0000-9077-cce151060000 pid=1617 /tmp/sample.bin guuid=65bacaa3-1900-0000-9077-cce14f060000 pid=1615->guuid=9ec2aca4-1900-0000-9077-cce151060000 pid=1617 clone guuid=6aa9b1a4-1900-0000-9077-cce153060000 pid=1619 /tmp/sample.bin guuid=65bacaa3-1900-0000-9077-cce14f060000 pid=1615->guuid=6aa9b1a4-1900-0000-9077-cce153060000 pid=1619 clone
Threat name:
Linux.Worm.Mirai
Status:
Suspicious
First seen:
2026-08-06 23:30:41 UTC
File Type:
ELF64 Little (SO)
AV detection:
10 of 24 (41.67%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery execution linux persistence privilege_escalation upx
Behaviour
Reads runtime system information
Changes its process name
Modifies Bash startup script
UPX packed file
Creates/modifies Cron job
Creates/modifies environment variables
Modifies init.d
Modifies rc script
Modifies systemd
Deletes 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:SUSP_ELF_LNX_UPX_Compressed_File
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:upx_packed_elf_v1
Author:RandomMalware

File information


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

Web download

Mirai

elf fc09cf6556d51f47fac884e51c4eff76d43bf44ab9dba7578123d8aa19dd3585

(this sample)

  
Delivery method
Distributed via web download

Comments