MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 be7874a7f8429cf984c4e2736af676a7cd8114f7df2e7b9754a4061a62b23847. 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: 8


Intelligence 8 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: be7874a7f8429cf984c4e2736af676a7cd8114f7df2e7b9754a4061a62b23847
SHA3-384 hash: 94e16099268d6d08fc81cb57f160e055aeb63d2737e81dc5b43db6f65ae7215f8c6db48dede0f0b915ee0359809e0340
SHA1 hash: ca37fa12e333ed5ed3124f81edd5d00b54877406
MD5 hash: 528ef550e2797add4e3ccbdbf1a98070
humanhash: skylark-nineteen-potato-fifteen
File name:putita.ppc
Download: download sample
Signature Mirai
Create hunting rule
File size:263'756 bytes
First seen:2026-08-22 15:06:23 UTC
Last seen:Never
File type: elf
MIME type:application/x-sharedlib
ssdeep 6144:zQZoHicZKPrUjlcY0lKmsE3dooeAwGDEn5xSEW4+o:eGic0rnKmsiJkj
TLSH T131449D01FB180A23C1931EB44E7F07A7E369899328F5F11D2A0E7F5647316BA96837D9
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 3e6086ecc5b51610bf3ef3f61e9fb5bc931b7884b048d285198c5615bf706840
File size (compressed) :101'228 bytes
File size (de-compressed) :263'756 bytes
Format:linux/ppc32
Packed file: 3e6086ecc5b51610bf3ef3f61e9fb5bc931b7884b048d285198c5615bf706840

Intelligence

File Origin
# of uploads :
1
# of downloads :
59
Origin country :
NL NL
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.Linux.Mirai.10742.3554.2429.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Sets a written file as executable
Sends data to a server
Receives data from a server
Runs as daemon
Creates or modifies symbolic links
Changes the time when the file was created, accessed, or modified
Opens a port
Connection attempt
Launching a process
Changes access rights for a written file
Substitutes an application name
Writes files to system directory
Creates or modifies files in /cron to set up autorun
Creates or modifies files in /init.d to set up autorun
Creates or modifies files to set up autorun
Creates or modifies symbolic links in /init.d to set up autorun
Deleting of the original file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gcc masquerade mirai
Link:
https://www.filescan.io/uploads/6a89bb21904c611dfbc8f8f9/reports/93e6368e-56d6-439f-894b-4638c2f6472b/overview
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/96f83ae0-0384-4395-bcf3-9ac2fa13a184
Behavior Graph:
Download SVG
%3 guuid=dcd2aa25-1900-0000-5ffe-f70f150c0000 pid=3093 /usr/bin/sudo guuid=88b7be29-1900-0000-5ffe-f70f160c0000 pid=3094 /tmp/sample.bin guuid=dcd2aa25-1900-0000-5ffe-f70f150c0000 pid=3093->guuid=88b7be29-1900-0000-5ffe-f70f160c0000 pid=3094 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/7078a73d-ec38-46b3-befa-006b4148c927
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1962243
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Drops files in suspicious directories
Executes the "crontab" command typically for achieving persistence
Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions
Multi AV Scanner detection for submitted file
Protects files from modification
Sample deletes itself
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1962243 Sample: putita.ppc.elf Startdate: 22/08/2026 Architecture: LINUX Score: 100 49 64.89.163.215, 666 NETIFACE-TORONTO-NetifaceAmericaIncUS Germany 2->49 53 Antivirus detection for dropped file 2->53 55 Antivirus / Scanner detection for submitted sample 2->55 57 Multi AV Scanner detection for submitted file 2->57 9 putita.ppc.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 65 Sample tries to set files in /etc globally writable 9->65 67 Sample tries to persist itself using /etc/profile 9->67 69 Drops files in suspicious directories 9->69 71 3 other signatures 9->71 13 putita.ppc.elf sh 9->13         started        15 putita.ppc.elf sh 9->15         started        17 putita.ppc.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.ppc.elf 20->30         started        32 putita.ppc.elf 20->32         started        34 putita.ppc.elf 20->34         started        process9 file10 39 /var/spool/cron/crontabs/tmp.7KnwD5, ASCII 22->39 dropped 61 Sample tries to persist itself using cron 22->61 63 Executes the "crontab" command typically for achieving persistence 22->63 36 sh crontab 26->36         started        signatures11 process12 signatures13 59 Executes the "crontab" command typically for achieving persistence 36->59
Score:
97%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/be7874a7f8429cf984c4e2736af676a7cd8114f7df2e7b9754a4061a62b23847
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/be7874a7f8429cf984c4e2736af676a7cd8114f7df2e7b9754a4061a62b23847/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-08-22 15:07:20 UTC
File Type:
ELF32 Big (SO)
AV detection:
9 of 24 (37.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xz4hjj7yikoptbge4jzwv5twu7gycfhx34xhxf2uuqdbuyvshbdq._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/260822-shd8bafd35/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/be7874a7f8429cf984c4e2736af676a7cd8114f7df2e7b9754a4061a62b23847

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:ELF_IoT_Persistence_Hunt
Create hunting rule
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:unixredflags3
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags
Rule name:woof_mirai_variant
Create hunting rule
Author:Nokia Deepfield ERT
Description:Detects Woof Mirai variant (ChaCha20 table, HTTP C2 with token/guid, .woof dropper)
Reference:Internal analysis of sample 6ef4ce02

File information

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

Web download

Mirai

elf 3e6086ecc5b51610bf3ef3f61e9fb5bc931b7884b048d285198c5615bf706840

Mirai

elf be7874a7f8429cf984c4e2736af676a7cd8114f7df2e7b9754a4061a62b23847

(this sample)

  
Dropped by
SHA256 3e6086ecc5b51610bf3ef3f61e9fb5bc931b7884b048d285198c5615bf706840
  
URLhaus
https://urlhaus.abuse.ch/url/3892141/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 3f40bb379c0984f4e98087baeb28701e
  
URLhaus
https://urlhaus.abuse.ch/url/3892131/
  
URLhaus
https://urlhaus.abuse.ch/url/3885292/

Comments