MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f8956e30821ef8a73215795e607abbe14b6d3efa17f9ba47fcdafc44b1f20e91. 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: f8956e30821ef8a73215795e607abbe14b6d3efa17f9ba47fcdafc44b1f20e91
SHA3-384 hash: 853d12c42108ffc1e2e80ac2ac5a58258d042162df7efeabf1c8a6bb3f3c34f951012a83d95dcf6cea5f65f9b26763ce
SHA1 hash: d825e5512e4e60df767abb7ec848a9691f19fb2c
MD5 hash: da92e64fcd280f8c65a38ab9e611db29
humanhash: virginia-equal-washington-fanta
File name:putita.x86_64
Download: download sample
Signature Mirai
Create hunting rule
File size:59'676 bytes
First seen:2026-07-17 01:07:07 UTC
Last seen:Never
File type: elf
MIME type:application/x-sharedlib
ssdeep 1536:hc0/7x0Cn9SsMwkDeQaWVcsnMywKu+oavnkzvgZUd/v:xtZnsUkeq+l4vnkE6
TLSH T1444301FEA9ABD1B8DA1388F6958022C1BE341C0B77787967145843DE4DF7DA12B20F21
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) :59'676 bytes
File size (de-compressed) :128'888 bytes
Format:linux/amd64
Unpacked file: a12922f8f8906ee5ebc6f0612236307e24a2a53a5f26f34b23e2ddab998fc304

Intelligence

File Origin
# of uploads :
1
# of downloads :
73
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/bce7d6f4-6619-4c03-b109-cc8489343853/
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
mirai packed upx
Link:
https://www.filescan.io/uploads/6a59813ca76fe06f5bc1c152/reports/ed704211-f886-44e5-9d08-cee97da6882e/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
16
Number of processes launched:
14
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/f8956e30821ef8a73215795e607abbe14b6d3efa17f9ba47fcdafc44b1f20e91
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:
2026-07-16T21:19:00Z UTC
Last seen:
2026-07-18T19:10:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/f8956e30821ef8a73215795e607abbe14b6d3efa17f9ba47fcdafc44b1f20e91/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/a1785a68-284d-400d-83a3-a2df61a26596
Behavior Graph:
Download SVG
%3 guuid=628e4037-1b00-0000-8516-49bd930b0000 pid=2963 /usr/bin/sudo guuid=75d33b3a-1b00-0000-8516-49bd9b0b0000 pid=2971 /tmp/sample.bin delete-file mprotect-exec net write-config write-file guuid=628e4037-1b00-0000-8516-49bd930b0000 pid=2963->guuid=75d33b3a-1b00-0000-8516-49bd9b0b0000 pid=2971 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=75d33b3a-1b00-0000-8516-49bd9b0b0000 pid=2971->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=84d6573b-1b00-0000-8516-49bd9e0b0000 pid=2974 /usr/bin/dash guuid=75d33b3a-1b00-0000-8516-49bd9b0b0000 pid=2971->guuid=84d6573b-1b00-0000-8516-49bd9e0b0000 pid=2974 execve guuid=15b4b23b-1b00-0000-8516-49bd9f0b0000 pid=2975 /usr/bin/dash guuid=75d33b3a-1b00-0000-8516-49bd9b0b0000 pid=2971->guuid=15b4b23b-1b00-0000-8516-49bd9f0b0000 pid=2975 execve guuid=127d2841-1b00-0000-8516-49bdb20b0000 pid=2994 /usr/bin/chattr zombie guuid=75d33b3a-1b00-0000-8516-49bd9b0b0000 pid=2971->guuid=127d2841-1b00-0000-8516-49bdb20b0000 pid=2994 execve guuid=af452c41-1b00-0000-8516-49bdb30b0000 pid=2995 /usr/bin/chattr zombie guuid=75d33b3a-1b00-0000-8516-49bd9b0b0000 pid=2971->guuid=af452c41-1b00-0000-8516-49bdb30b0000 pid=2995 execve guuid=dd0d3041-1b00-0000-8516-49bdb40b0000 pid=2996 /usr/bin/chattr zombie guuid=75d33b3a-1b00-0000-8516-49bd9b0b0000 pid=2971->guuid=dd0d3041-1b00-0000-8516-49bdb40b0000 pid=2996 execve guuid=22b73541-1b00-0000-8516-49bdb50b0000 pid=2997 /usr/bin/busybox zombie guuid=75d33b3a-1b00-0000-8516-49bd9b0b0000 pid=2971->guuid=22b73541-1b00-0000-8516-49bdb50b0000 pid=2997 execve guuid=2fa83a41-1b00-0000-8516-49bdb60b0000 pid=2998 /usr/bin/busybox zombie guuid=75d33b3a-1b00-0000-8516-49bd9b0b0000 pid=2971->guuid=2fa83a41-1b00-0000-8516-49bdb60b0000 pid=2998 execve guuid=1b3e3e41-1b00-0000-8516-49bdb70b0000 pid=2999 /usr/bin/busybox zombie guuid=75d33b3a-1b00-0000-8516-49bd9b0b0000 pid=2971->guuid=1b3e3e41-1b00-0000-8516-49bdb70b0000 pid=2999 execve guuid=3cce4441-1b00-0000-8516-49bdb80b0000 pid=3000 /tmp/sample.bin net send-data zombie guuid=75d33b3a-1b00-0000-8516-49bd9b0b0000 pid=2971->guuid=3cce4441-1b00-0000-8516-49bdb80b0000 pid=3000 clone guuid=8d18f03b-1b00-0000-8516-49bda10b0000 pid=2977 /usr/bin/dash guuid=15b4b23b-1b00-0000-8516-49bd9f0b0000 pid=2975->guuid=8d18f03b-1b00-0000-8516-49bda10b0000 pid=2977 clone guuid=3ed6033c-1b00-0000-8516-49bda20b0000 pid=2978 /usr/bin/dash guuid=15b4b23b-1b00-0000-8516-49bd9f0b0000 pid=2975->guuid=3ed6033c-1b00-0000-8516-49bda20b0000 pid=2978 clone guuid=3cce4441-1b00-0000-8516-49bdb80b0000 pid=3000->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con 706d8119-5804-563f-93fb-1ad04086f3d8 64.89.163.215:666 guuid=3cce4441-1b00-0000-8516-49bdb80b0000 pid=3000->706d8119-5804-563f-93fb-1ad04086f3d8 send: 902B guuid=72776241-1b00-0000-8516-49bdb90b0000 pid=3001 /tmp/sample.bin guuid=3cce4441-1b00-0000-8516-49bdb80b0000 pid=3000->guuid=72776241-1b00-0000-8516-49bdb90b0000 pid=3001 clone guuid=19237441-1b00-0000-8516-49bdba0b0000 pid=3002 /tmp/sample.bin guuid=3cce4441-1b00-0000-8516-49bdb80b0000 pid=3000->guuid=19237441-1b00-0000-8516-49bdba0b0000 pid=3002 clone guuid=9d5f7e41-1b00-0000-8516-49bdbb0b0000 pid=3003 /tmp/sample.bin guuid=3cce4441-1b00-0000-8516-49bdb80b0000 pid=3000->guuid=9d5f7e41-1b00-0000-8516-49bdbb0b0000 pid=3003 clone guuid=d207192e-2700-0000-8516-49bd6f140000 pid=5231 /tmp/sample.bin send-data guuid=3cce4441-1b00-0000-8516-49bdb80b0000 pid=3000->guuid=d207192e-2700-0000-8516-49bd6f140000 pid=5231 clone e225b176-2e5d-51a1-a58e-551d56a15c5e 79.110.236.176:53 guuid=d207192e-2700-0000-8516-49bd6f140000 pid=5231->e225b176-2e5d-51a1-a58e-551d56a15c5e send: 6088142B guuid=5d542d2e-2700-0000-8516-49bd70140000 pid=5232 /tmp/sample.bin guuid=d207192e-2700-0000-8516-49bd6f140000 pid=5231->guuid=5d542d2e-2700-0000-8516-49bd70140000 pid=5232 clone
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/eff6ebc8-5de2-44ff-8ed2-f3a5a7000772
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1943946
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: 1943946 Sample: putita.x86_64.elf Startdate: 17/07/2026 Architecture: LINUX Score: 80 49 64.89.163.215, 59902, 59904, 59906 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.RvdDZY, 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/f8956e30821ef8a73215795e607abbe14b6d3efa17f9ba47fcdafc44b1f20e91
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f8956e30821ef8a73215795e607abbe14b6d3efa17f9ba47fcdafc44b1f20e91/
Threat name:
Linux.Trojan.Multiverze
Create hunting rule
Status:
Malicious
First seen:
2026-07-17 01:08:33 UTC
File Type:
ELF64 Little (SO)
AV detection:
11 of 24 (45.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7ckw4mecd34komqvpfpga6v34ffw2px2c743ur743l6ejmpsb2iq._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
defense_evasion discovery execution linux persistence privilege_escalation upx
Link:
https://tria.ge/reports/260717-bgyrwsg13p/
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
Creates a large amount of network flows
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/f8956e30821ef8a73215795e607abbe14b6d3efa17f9ba47fcdafc44b1f20e91

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 f8956e30821ef8a73215795e607abbe14b6d3efa17f9ba47fcdafc44b1f20e91

(this sample)

Mirai

elf a12922f8f8906ee5ebc6f0612236307e24a2a53a5f26f34b23e2ddab998fc304

  
URLhaus
https://urlhaus.abuse.ch/url/3885289/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 a12922f8f8906ee5ebc6f0612236307e24a2a53a5f26f34b23e2ddab998fc304
  
Dropping
MD5 3ff2e67d41a53a94a50b7163d9c5875d

Comments