MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 19fdce2472485db5fc8d8820cda7c798212d01a830f76d22e6e1612f38dde37c. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments

SHA256 hash: 19fdce2472485db5fc8d8820cda7c798212d01a830f76d22e6e1612f38dde37c
SHA3-384 hash: c2b4916e741c009eae6949c2bf02f34d94571f1c055f4364f500f841c307f903c6d1e8721e406fe03a5e4013b52639d4
SHA1 hash: 4efcf94ffb9e9fec4df62912f82f3beadefeed2f
MD5 hash: 0cc5db6b5bb1ff767813f918a5de0fa4
humanhash: tennis-vermont-crazy-diet
File name:putita.x86
Download: download sample
Signature Mirai
File size:61'204 bytes
First seen:2026-07-20 00:03:00 UTC
Last seen:Never
File type: elf
MIME type:application/x-sharedlib
ssdeep 1536:qYvrcMtBE9odJRwdzC1XM4HUAp/SVS1T3HsJymA0NgTN++nouy8DMb:nBBGcGhecoUA9YcCf/gTN+eoutDMb
TLSH T11A53F2A854CC63A0CB4A403825FEB2569C0D99A6DC59CED356DC983F64C3B443EE63CB
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 UPX
File size (compressed) :61'204 bytes
File size (de-compressed) :144'764 bytes
Format:linux/i386
Unpacked file: 45f072085e50c50ac363bf8a88cd4b362df1230758123e04703c431818b86034

Intelligence


File Origin
# of uploads :
1
# of downloads :
83
Origin country :
DE DE
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:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade mirai packed upx
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
18
Number of processes launched:
14
Processes remaning?
true
Remote TCP ports scanned:
not identified
Behaviour
Persistence
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-07-19T20:08:00Z UTC
Last seen:
2026-07-21T17:25:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=a3bdfd96-1800-0000-7e27-c07e640b0000 pid=2916 /usr/bin/sudo guuid=0451839a-1800-0000-7e27-c07e6e0b0000 pid=2926 /tmp/sample.bin delete-file net write-config write-file guuid=a3bdfd96-1800-0000-7e27-c07e640b0000 pid=2916->guuid=0451839a-1800-0000-7e27-c07e6e0b0000 pid=2926 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=0451839a-1800-0000-7e27-c07e6e0b0000 pid=2926->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=0459f99b-1800-0000-7e27-c07e740b0000 pid=2932 /usr/bin/dash guuid=0451839a-1800-0000-7e27-c07e6e0b0000 pid=2926->guuid=0459f99b-1800-0000-7e27-c07e740b0000 pid=2932 execve guuid=64d62a9c-1800-0000-7e27-c07e750b0000 pid=2933 /usr/bin/dash guuid=0451839a-1800-0000-7e27-c07e6e0b0000 pid=2926->guuid=64d62a9c-1800-0000-7e27-c07e750b0000 pid=2933 execve guuid=e22b059d-1800-0000-7e27-c07e7b0b0000 pid=2939 /usr/bin/chattr zombie guuid=0451839a-1800-0000-7e27-c07e6e0b0000 pid=2926->guuid=e22b059d-1800-0000-7e27-c07e7b0b0000 pid=2939 execve guuid=77150b9d-1800-0000-7e27-c07e7c0b0000 pid=2940 /usr/bin/chattr zombie guuid=0451839a-1800-0000-7e27-c07e6e0b0000 pid=2926->guuid=77150b9d-1800-0000-7e27-c07e7c0b0000 pid=2940 execve guuid=b9260f9d-1800-0000-7e27-c07e7d0b0000 pid=2941 /usr/bin/chattr zombie guuid=0451839a-1800-0000-7e27-c07e6e0b0000 pid=2926->guuid=b9260f9d-1800-0000-7e27-c07e7d0b0000 pid=2941 execve guuid=6eef149d-1800-0000-7e27-c07e7e0b0000 pid=2942 /usr/bin/busybox zombie guuid=0451839a-1800-0000-7e27-c07e6e0b0000 pid=2926->guuid=6eef149d-1800-0000-7e27-c07e7e0b0000 pid=2942 execve guuid=02e5189d-1800-0000-7e27-c07e7f0b0000 pid=2943 /usr/bin/busybox zombie guuid=0451839a-1800-0000-7e27-c07e6e0b0000 pid=2926->guuid=02e5189d-1800-0000-7e27-c07e7f0b0000 pid=2943 execve guuid=85771c9d-1800-0000-7e27-c07e800b0000 pid=2944 /usr/bin/busybox zombie guuid=0451839a-1800-0000-7e27-c07e6e0b0000 pid=2926->guuid=85771c9d-1800-0000-7e27-c07e800b0000 pid=2944 execve guuid=cd2a209d-1800-0000-7e27-c07e810b0000 pid=2945 /tmp/sample.bin net zombie guuid=0451839a-1800-0000-7e27-c07e6e0b0000 pid=2926->guuid=cd2a209d-1800-0000-7e27-c07e810b0000 pid=2945 clone guuid=4a3b5d9c-1800-0000-7e27-c07e770b0000 pid=2935 /usr/bin/dash guuid=64d62a9c-1800-0000-7e27-c07e750b0000 pid=2933->guuid=4a3b5d9c-1800-0000-7e27-c07e770b0000 pid=2935 clone guuid=51d8629c-1800-0000-7e27-c07e780b0000 pid=2936 /usr/bin/dash guuid=64d62a9c-1800-0000-7e27-c07e750b0000 pid=2933->guuid=51d8629c-1800-0000-7e27-c07e780b0000 pid=2936 clone 706d8119-5804-563f-93fb-1ad04086f3d8 64.89.163.215:666 guuid=cd2a209d-1800-0000-7e27-c07e810b0000 pid=2945->706d8119-5804-563f-93fb-1ad04086f3d8 con guuid=2328ae9d-1800-0000-7e27-c07e830b0000 pid=2947 /tmp/sample.bin guuid=cd2a209d-1800-0000-7e27-c07e810b0000 pid=2945->guuid=2328ae9d-1800-0000-7e27-c07e830b0000 pid=2947 clone guuid=381cb19d-1800-0000-7e27-c07e840b0000 pid=2948 /tmp/sample.bin guuid=cd2a209d-1800-0000-7e27-c07e810b0000 pid=2945->guuid=381cb19d-1800-0000-7e27-c07e840b0000 pid=2948 clone guuid=538bb49d-1800-0000-7e27-c07e850b0000 pid=2949 /tmp/sample.bin guuid=cd2a209d-1800-0000-7e27-c07e810b0000 pid=2945->guuid=538bb49d-1800-0000-7e27-c07e850b0000 pid=2949 clone
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
80 / 100
Signature
Drops files in suspicious directories
Executes the "crontab" command typically for achieving persistence
Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions
Protects files from modification
Sample deletes itself
Sample is packed with UPX
Sample tries to persist itself using /etc/profile
Sample tries to persist itself using cron
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1944905 Sample: putita.x86.elf Startdate: 20/07/2026 Architecture: LINUX Score: 80 49 64.89.163.215, 59908, 59910, 59912 NETIFACE-TORONTO-NetifaceAmericaIncUS Germany 2->49 51 185.125.190.26, 443 CANONICAL-ASGB United Kingdom 2->51 55 Sample is packed with UPX 2->55 9 putita.x86.elf 2->9         started        signatures3 process4 file5 41 /usr/lib/kworker-helper, ELF 9->41 dropped 43 /root/.bashrc, ASCII 9->43 dropped 45 /etc/systemd/system/kworker-helper.service, ASCII 9->45 dropped 47 3 other malicious files 9->47 dropped 63 Sample tries to set files in /etc globally writable 9->63 65 Sample tries to persist itself using /etc/profile 9->65 67 Drops files in suspicious directories 9->67 69 3 other signatures 9->69 13 putita.x86.elf sh 9->13         started        15 putita.x86.elf sh 9->15         started        17 putita.x86.elf chattr 9->17         started        20 6 other processes 9->20 signatures6 process7 signatures8 22 sh crontab 13->22         started        26 sh 13->26         started        28 sh crontab 15->28         started        53 Protects files from modification 17->53 30 putita.x86.elf 20->30         started        32 putita.x86.elf 20->32         started        34 putita.x86.elf 20->34         started        process9 file10 39 /var/spool/cron/crontabs/tmp.9VOT4h, ASCII 22->39 dropped 59 Sample tries to persist itself using cron 22->59 61 Executes the "crontab" command typically for achieving persistence 22->61 36 sh crontab 26->36         started        signatures11 process12 signatures13 57 Executes the "crontab" command typically for achieving persistence 36->57
Threat name:
Linux.Worm.Mirai
Status:
Suspicious
First seen:
2026-07-20 00:04:02 UTC
File Type:
ELF32 Little (SO)
AV detection:
11 of 24 (45.83%)
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:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
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 19fdce2472485db5fc8d8820cda7c798212d01a830f76d22e6e1612f38dde37c

(this sample)

  
Delivery method
Distributed via web download

Comments