MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b8212125ae08e188044baae7dd2d9641cfeb2fdca65fe870a1e0e7f39ad484a3. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b8212125ae08e188044baae7dd2d9641cfeb2fdca65fe870a1e0e7f39ad484a3
SHA3-384 hash: a85afdd6595de30d9a9fa1e5b27815df72683369bb9a0a5e4957b7420d3adb55eb443454fcd20985e0d8e144ac918f85
SHA1 hash: b93bbac1e55d1d64a452104004f93c992b5ded13
MD5 hash: 2b0adff7a8aa89f0e79a68eaf925faa9
humanhash: gee-charlie-queen-eighteen
File name:putita.x86_64
Download: download sample
Signature Mirai
Create hunting rule
File size:93'796 bytes
First seen:2026-08-23 21:10:53 UTC
Last seen:Never
File type: elf
MIME type:application/x-sharedlib
ssdeep 1536:DP4nFwZQRXhFGmigCLY/t7FSdAFEoXdMQpbskTzhB8FSAaSZbr9ZyvyzdTONiEa:j4FhRRFegKYVAdAFNy+blTzh3AaMZyva
TLSH T1679302E6513CE634C327F8334957DAC6E936ABA26A26371F004020FF2D7E5E42593956
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) :93'796 bytes
File size (de-compressed) :194'816 bytes
Format:linux/amd64
Unpacked file: 9686fd30476d60ced827935a51c3eddae3048a355f9b744c0dddf662c0d13023

Intelligence

File Origin
# of uploads :
1
# of downloads :
46
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/bdc9cb81-8495-470e-8ec8-65a9d05c0fa8/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sets a written file as executable
Creating a file
Runs as daemon
Changes access rights for a written file
Creates or modifies symbolic links
Changes the time when the file was created, accessed, or modified
Opens a port
Launching a process
Connection attempt
Creates or modifies files in /cron to set up autorun
Substitutes an application name
Writes files to system directory
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:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
packed upx
Link:
https://www.filescan.io/uploads/6a8b61f56e58c2f4df0d81c5/reports/77a6e0f2-884b-4303-8fff-88e5f815ac0d/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
17
Number of processes launched:
14
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/b8212125ae08e188044baae7dd2d9641cfeb2fdca65fe870a1e0e7f39ad484a3
Behaviour
Persistence
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2026-08-23T19:29:00Z UTC
Last seen:
2026-08-24T19:19:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/b8212125ae08e188044baae7dd2d9641cfeb2fdca65fe870a1e0e7f39ad484a3/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/e00eb842-610d-43d6-a4d7-fd7f0212070d
Behavior Graph:
Download SVG
%3 guuid=afbcd203-1a00-0000-4f56-cdf2bf090000 pid=2495 /usr/bin/sudo guuid=1382c00a-1a00-0000-4f56-cdf2ca090000 pid=2506 /tmp/sample.bin delete-file mprotect-exec net write-config write-file guuid=afbcd203-1a00-0000-4f56-cdf2bf090000 pid=2495->guuid=1382c00a-1a00-0000-4f56-cdf2ca090000 pid=2506 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=1382c00a-1a00-0000-4f56-cdf2ca090000 pid=2506->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=5aeceb0d-1a00-0000-4f56-cdf2d2090000 pid=2514 /usr/bin/dash guuid=1382c00a-1a00-0000-4f56-cdf2ca090000 pid=2506->guuid=5aeceb0d-1a00-0000-4f56-cdf2d2090000 pid=2514 execve guuid=b9948f0e-1a00-0000-4f56-cdf2d4090000 pid=2516 /usr/bin/dash guuid=1382c00a-1a00-0000-4f56-cdf2ca090000 pid=2506->guuid=b9948f0e-1a00-0000-4f56-cdf2d4090000 pid=2516 execve guuid=f0b88610-1a00-0000-4f56-cdf2dd090000 pid=2525 /usr/bin/chattr zombie guuid=1382c00a-1a00-0000-4f56-cdf2ca090000 pid=2506->guuid=f0b88610-1a00-0000-4f56-cdf2dd090000 pid=2525 execve guuid=bb7e9310-1a00-0000-4f56-cdf2de090000 pid=2526 /usr/bin/chattr zombie guuid=1382c00a-1a00-0000-4f56-cdf2ca090000 pid=2506->guuid=bb7e9310-1a00-0000-4f56-cdf2de090000 pid=2526 execve guuid=447b9910-1a00-0000-4f56-cdf2df090000 pid=2527 /usr/bin/chattr zombie guuid=1382c00a-1a00-0000-4f56-cdf2ca090000 pid=2506->guuid=447b9910-1a00-0000-4f56-cdf2df090000 pid=2527 execve guuid=f0c39d10-1a00-0000-4f56-cdf2e0090000 pid=2528 /usr/bin/busybox zombie guuid=1382c00a-1a00-0000-4f56-cdf2ca090000 pid=2506->guuid=f0c39d10-1a00-0000-4f56-cdf2e0090000 pid=2528 execve guuid=a1caa810-1a00-0000-4f56-cdf2e1090000 pid=2529 /usr/bin/busybox zombie guuid=1382c00a-1a00-0000-4f56-cdf2ca090000 pid=2506->guuid=a1caa810-1a00-0000-4f56-cdf2e1090000 pid=2529 execve guuid=0b95b610-1a00-0000-4f56-cdf2e2090000 pid=2530 /usr/bin/busybox zombie guuid=1382c00a-1a00-0000-4f56-cdf2ca090000 pid=2506->guuid=0b95b610-1a00-0000-4f56-cdf2e2090000 pid=2530 execve guuid=bd64db10-1a00-0000-4f56-cdf2e3090000 pid=2531 /tmp/sample.bin net zombie guuid=1382c00a-1a00-0000-4f56-cdf2ca090000 pid=2506->guuid=bd64db10-1a00-0000-4f56-cdf2e3090000 pid=2531 clone guuid=5088350f-1a00-0000-4f56-cdf2d7090000 pid=2519 /usr/bin/dash guuid=b9948f0e-1a00-0000-4f56-cdf2d4090000 pid=2516->guuid=5088350f-1a00-0000-4f56-cdf2d7090000 pid=2519 clone guuid=580a440f-1a00-0000-4f56-cdf2d8090000 pid=2520 /usr/bin/dash guuid=b9948f0e-1a00-0000-4f56-cdf2d4090000 pid=2516->guuid=580a440f-1a00-0000-4f56-cdf2d8090000 pid=2520 clone 706d8119-5804-563f-93fb-1ad04086f3d8 64.89.163.215:666 guuid=bd64db10-1a00-0000-4f56-cdf2e3090000 pid=2531->706d8119-5804-563f-93fb-1ad04086f3d8 con guuid=7e368613-1a00-0000-4f56-cdf2e9090000 pid=2537 /tmp/sample.bin guuid=bd64db10-1a00-0000-4f56-cdf2e3090000 pid=2531->guuid=7e368613-1a00-0000-4f56-cdf2e9090000 pid=2537 clone guuid=a8d78a13-1a00-0000-4f56-cdf2ea090000 pid=2538 /tmp/sample.bin guuid=bd64db10-1a00-0000-4f56-cdf2e3090000 pid=2531->guuid=a8d78a13-1a00-0000-4f56-cdf2ea090000 pid=2538 clone guuid=c0759013-1a00-0000-4f56-cdf2eb090000 pid=2539 /tmp/sample.bin guuid=bd64db10-1a00-0000-4f56-cdf2e3090000 pid=2531->guuid=c0759013-1a00-0000-4f56-cdf2eb090000 pid=2539 clone
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/07a52503-6c7c-4107-99bf-2c3ef2411399
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1962448
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1962448 Sample: putita.x86_64.elf Startdate: 23/08/2026 Architecture: LINUX Score: 80 49 64.89.163.215, 36078, 666 NETIFACE-TORONTO-NetifaceAmericaIncUS Germany 2->49 53 Sample is packed with UPX 2->53 9 putita.x86_64.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_64.elf sh 9->13         started        15 putita.x86_64.elf sh 9->15         started        17 putita.x86_64.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_64.elf 20->30         started        32 putita.x86_64.elf 20->32         started        34 putita.x86_64.elf 20->34         started        process9 file10 39 /var/spool/cron/crontabs/tmp.gahRGq, 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
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b8212125ae08e188044baae7dd2d9641cfeb2fdca65fe870a1e0e7f39ad484a3
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b8212125ae08e188044baae7dd2d9641cfeb2fdca65fe870a1e0e7f39ad484a3/
Threat name:
Linux.Trojan.Multiverze
Create hunting rule
Status:
Malicious
First seen:
2026-08-23 21:11:24 UTC
File Type:
ELF64 Little (SO)
AV detection:
10 of 24 (41.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xaqscjnobdqyqbclvlt52lmwihh6wl64uzp6q4fb4dt7hgwuqsrq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery execution linux persistence privilege_escalation upx
Link:
https://tria.ge/reports/260823-z1tjaavxgv/
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.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/b8212125ae08e188044baae7dd2d9641cfeb2fdca65fe870a1e0e7f39ad484a3

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
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:upx_packed_elf_v1
Create hunting rule
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 b8212125ae08e188044baae7dd2d9641cfeb2fdca65fe870a1e0e7f39ad484a3

(this sample)

Mirai

elf 9686fd30476d60ced827935a51c3eddae3048a355f9b744c0dddf662c0d13023

  
URLhaus
https://urlhaus.abuse.ch/url/3885289/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 9686fd30476d60ced827935a51c3eddae3048a355f9b744c0dddf662c0d13023
  
Dropping
MD5 941364d8d2b979afae7816f88c38266e

Comments