MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f7845559fb01db34607ed27046bd48c462ca6c0bf3166e856ba882bd9d95b286. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments

SHA256 hash: f7845559fb01db34607ed27046bd48c462ca6c0bf3166e856ba882bd9d95b286
SHA3-384 hash: 2eb866acd64a0bc0c4eca991847d832cf62eec9fade9d141cc730a2f65260e3d0f92a466d907670c00514f85c0cb0bce
SHA1 hash: a3a23da4d9cafd6b9b5003e5c2e528309610f0b5
MD5 hash: d09e57322146fcbfaff0c3fbb9d03572
humanhash: jig-snake-september-saturn
File name:putita.x86
Download: download sample
Signature Mirai
File size:62'168 bytes
First seen:2026-08-06 05:14:42 UTC
Last seen:Never
File type: elf
MIME type:application/x-sharedlib
ssdeep 1536:ZemZ8kofPZfsPM9vtBhxdCP1OzsUxwoEsQSKOQjcmeqnouy8DMr:ZemZufTvDhxdCrUDeSKTjp/outDMr
TLSH T15B530275DAC1C0A8C18B40BD287FB34F145E9D58389135D71BAC119F8066BB429CFA8B
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 UPX
File size (compressed) :62'168 bytes
File size (de-compressed) :144'764 bytes
Format:linux/i386
Unpacked file: 3e706e5ba4379c25525baf79d354577c0e036078d75db7644f01632b11bceed5

Intelligence


File Origin
# of uploads :
1
# of downloads :
80
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creates or modifies symbolic links
Creating a file
Sends data to a server
Connection attempt
Receives data from a server
Changes access rights for a written file
Sets a written file as executable
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:
masquerade packed upx
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-08-06T02:41:00Z UTC
Last seen:
2026-08-07T22:48:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=aac030b5-1900-0000-f41c-b63abb0a0000 pid=2747 /usr/bin/sudo guuid=3ca26fb9-1900-0000-f41c-b63ac10a0000 pid=2753 /tmp/sample.bin delete-file net write-config write-file guuid=aac030b5-1900-0000-f41c-b63abb0a0000 pid=2747->guuid=3ca26fb9-1900-0000-f41c-b63ac10a0000 pid=2753 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=3ca26fb9-1900-0000-f41c-b63ac10a0000 pid=2753->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=9ed863bb-1900-0000-f41c-b63ac40a0000 pid=2756 /usr/bin/dash guuid=3ca26fb9-1900-0000-f41c-b63ac10a0000 pid=2753->guuid=9ed863bb-1900-0000-f41c-b63ac40a0000 pid=2756 execve guuid=a3ef98bb-1900-0000-f41c-b63ac60a0000 pid=2758 /usr/bin/dash guuid=3ca26fb9-1900-0000-f41c-b63ac10a0000 pid=2753->guuid=a3ef98bb-1900-0000-f41c-b63ac60a0000 pid=2758 execve guuid=f5606cbc-1900-0000-f41c-b63ac90a0000 pid=2761 /usr/bin/chattr zombie guuid=3ca26fb9-1900-0000-f41c-b63ac10a0000 pid=2753->guuid=f5606cbc-1900-0000-f41c-b63ac90a0000 pid=2761 execve guuid=583270bc-1900-0000-f41c-b63aca0a0000 pid=2762 /usr/bin/chattr zombie guuid=3ca26fb9-1900-0000-f41c-b63ac10a0000 pid=2753->guuid=583270bc-1900-0000-f41c-b63aca0a0000 pid=2762 execve guuid=b6c674bc-1900-0000-f41c-b63acb0a0000 pid=2763 /usr/bin/chattr zombie guuid=3ca26fb9-1900-0000-f41c-b63ac10a0000 pid=2753->guuid=b6c674bc-1900-0000-f41c-b63acb0a0000 pid=2763 execve guuid=31b67bbc-1900-0000-f41c-b63acc0a0000 pid=2764 /usr/bin/busybox zombie guuid=3ca26fb9-1900-0000-f41c-b63ac10a0000 pid=2753->guuid=31b67bbc-1900-0000-f41c-b63acc0a0000 pid=2764 execve guuid=3a227fbc-1900-0000-f41c-b63ace0a0000 pid=2766 /usr/bin/busybox zombie guuid=3ca26fb9-1900-0000-f41c-b63ac10a0000 pid=2753->guuid=3a227fbc-1900-0000-f41c-b63ace0a0000 pid=2766 execve guuid=0b2783bc-1900-0000-f41c-b63acf0a0000 pid=2767 /usr/bin/busybox zombie guuid=3ca26fb9-1900-0000-f41c-b63ac10a0000 pid=2753->guuid=0b2783bc-1900-0000-f41c-b63acf0a0000 pid=2767 execve guuid=9b6086bc-1900-0000-f41c-b63ad00a0000 pid=2768 /tmp/sample.bin net send-data zombie guuid=3ca26fb9-1900-0000-f41c-b63ac10a0000 pid=2753->guuid=9b6086bc-1900-0000-f41c-b63ad00a0000 pid=2768 clone guuid=8d84c6bb-1900-0000-f41c-b63ac70a0000 pid=2759 /usr/bin/dash guuid=a3ef98bb-1900-0000-f41c-b63ac60a0000 pid=2758->guuid=8d84c6bb-1900-0000-f41c-b63ac70a0000 pid=2759 clone guuid=17dcccbb-1900-0000-f41c-b63ac80a0000 pid=2760 /usr/bin/dash guuid=a3ef98bb-1900-0000-f41c-b63ac60a0000 pid=2758->guuid=17dcccbb-1900-0000-f41c-b63ac80a0000 pid=2760 clone guuid=9b6086bc-1900-0000-f41c-b63ad00a0000 pid=2768->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con 706d8119-5804-563f-93fb-1ad04086f3d8 64.89.163.215:666 guuid=9b6086bc-1900-0000-f41c-b63ad00a0000 pid=2768->706d8119-5804-563f-93fb-1ad04086f3d8 send: 87B guuid=d55135bd-1900-0000-f41c-b63ad20a0000 pid=2770 /tmp/sample.bin guuid=9b6086bc-1900-0000-f41c-b63ad00a0000 pid=2768->guuid=d55135bd-1900-0000-f41c-b63ad20a0000 pid=2770 clone guuid=95da40bd-1900-0000-f41c-b63ad30a0000 pid=2771 /tmp/sample.bin guuid=9b6086bc-1900-0000-f41c-b63ad00a0000 pid=2768->guuid=95da40bd-1900-0000-f41c-b63ad30a0000 pid=2771 clone guuid=552b4dbd-1900-0000-f41c-b63ad40a0000 pid=2772 /tmp/sample.bin guuid=9b6086bc-1900-0000-f41c-b63ad00a0000 pid=2768->guuid=552b4dbd-1900-0000-f41c-b63ad40a0000 pid=2772 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: 1953110 Sample: putita.x86.elf Startdate: 06/08/2026 Architecture: LINUX Score: 80 49 64.89.163.215, 666 NETIFACE-TORONTO-NetifaceAmericaIncUS Germany 2->49 53 Sample is packed with UPX 2->53 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 61 Sample tries to set files in /etc globally writable 9->61 63 Sample tries to persist itself using /etc/profile 9->63 65 Drops files in suspicious directories 9->65 67 3 other signatures 9->67 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        51 Protects files from modification 17->51 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.m7boDl, ASCII 22->39 dropped 57 Sample tries to persist itself using cron 22->57 59 Executes the "crontab" command typically for achieving persistence 22->59 36 sh crontab 26->36         started        signatures11 process12 signatures13 55 Executes the "crontab" command typically for achieving persistence 36->55
Threat name:
Linux.Trojan.Multiverze
Status:
Malicious
First seen:
2026-08-06 05:15:44 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 f7845559fb01db34607ed27046bd48c462ca6c0bf3166e856ba882bd9d95b286

(this sample)

Comments