MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 99d90c2ef3ce58221cfca97562f3d44a48b8e23aec96845c0e58defbaab42ce5. 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: 7


Intelligence 7 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 99d90c2ef3ce58221cfca97562f3d44a48b8e23aec96845c0e58defbaab42ce5
SHA3-384 hash: 171ca321f15312c210eb362c88448820977033801fd1582d510a5f80bce7de8c86b58c9c9c1a4469c84b0f8762d39e61
SHA1 hash: b77b08a4e46241f17594cbc4dd340cc8c8ce1718
MD5 hash: 539ba6d0bb636e327a37efde74ff5667
humanhash: charlie-diet-mike-one
File name:splarm5
Download: download sample
Signature Mirai
Create hunting rule
File size:99'720 bytes
First seen:2026-01-24 12:57:06 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:YMTiwrQBu176XKuwPg4467wYrs3zDrLNX91Sc3dx0/b:YMiw0BnauAF7wYrA/rL/1Sc3n0/
TLSH T16CA31986BCC5C702C6E071B2BB1F51DE335643B8E3E6B1138D19AB29675B85B0E3B251
telfhash t17a4131a6cf541fcc47ea5625926b310a16fc30ae2b192857eb3c6b5f09534c2313d82b
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

Intelligence

File Origin
# of uploads :
1
# of downloads :
36
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Unix.Trojan.Mirai-7755770-0
Create hunting rule

Unix.Trojan.Mirai-9885259-0
Create hunting rule

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
rust
Link:
https://www.filescan.io/uploads/6974c1b45db9ae47709087b4/reports/d821bb57-9a1f-469c-bf56-342d0db3dc8c/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
98
Number of processes launched:
3
Processes remaning?
false
Remote TCP ports scanned:
23
Full report:
https://elfdigest.com/brief/99d90c2ef3ce58221cfca97562f3d44a48b8e23aec96845c0e58defbaab42ce5
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Gathering data
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/b72c2a04-dc43-4d48-a6d2-8a5c91064cc0
Behavior Graph:
Download SVG
%3 guuid=489909c1-1800-0000-a56a-1705470e0000 pid=3655 /usr/bin/sudo guuid=694012c4-1800-0000-a56a-1705480e0000 pid=3656 /tmp/sample.bin guuid=489909c1-1800-0000-a56a-1705470e0000 pid=3655->guuid=694012c4-1800-0000-a56a-1705480e0000 pid=3656 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9057bdc7-67d4-4f9e-9f88-023eb49b7e6d
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1856793
Signature
Drops invisible ELF files
Multi AV Scanner detection for submitted file
Sample deletes itself
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1856793 Sample: splarm5.elf Startdate: 24/01/2026 Architecture: LINUX Score: 64 24 Multi AV Scanner detection for submitted file 2->24 26 Yara detected Mirai 2->26 8 splarm5.elf .systemd-journald 2->8         started        process3 file4 22 /dev/shm/.systemd-journald, ELF 8->22 dropped 28 Drops invisible ELF files 8->28 30 Sample deletes itself 8->30 12 .systemd-journald 8->12         started        signatures5 process6 process7 14 .systemd-journald 12->14         started        16 .systemd-journald 12->16         started        18 .systemd-journald 12->18         started        process8 20 .systemd-journald 14->20         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/99d90c2ef3ce58221cfca97562f3d44a48b8e23aec96845c0e58defbaab42ce5
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/99d90c2ef3ce58221cfca97562f3d44a48b8e23aec96845c0e58defbaab42ce5/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-24 12:57:36 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 36 (41.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=thmqylxtzzmcehh4vf2wf46ujjelryr25sliixaoldppxkvuftsq._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/260124-r4yy6sdt7e/
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/99d90c2ef3ce58221cfca97562f3d44a48b8e23aec96845c0e58defbaab42ce5

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:Linux_Generic_Threat_d94e1020
Create hunting rule
Author:Elastic Security
Rule name:unixredflags3
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags

File information

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

Web download

Mirai

elf 99d90c2ef3ce58221cfca97562f3d44a48b8e23aec96845c0e58defbaab42ce5

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3739422/
  
Delivery method
Distributed via web download

Comments