MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cdb28a4be3b21a5aeab0ab07aa203af27b6921053768bf4ad9e9799c0d8e7a4e. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cdb28a4be3b21a5aeab0ab07aa203af27b6921053768bf4ad9e9799c0d8e7a4e
SHA3-384 hash: 632daa11c15e74f9c62c6bf849de1cafaa1c3ff911963763754b01ca3059bc97e048f15a476583cdadef7c34e2d00e2d
SHA1 hash: 0c85d2d450901e93a012ed3e3dda555c7104cbc4
MD5 hash: e4c8d96feace9dc79ff6ba5d55b96b4a
humanhash: pip-purple-nineteen-illinois
File name:zerx86
Download: download sample
Signature Mirai
Create hunting rule
File size:45'712 bytes
First seen:2025-12-29 18:11:26 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:rxW6D+gM27jTcnXMx0yIUVZJpWeKpAo98wqn9ra21kd/YdCLu2Dke:rI6D+gx7jTcnX6IU7SeHoTqn5zkdAQut
TLSH T109233AC49943D8F0EE1E55706533F7369BF2F4392178E983D3A5AA36B892B01E60718D
telfhash t1f411ce775da798f8b3e87804db6e5b8555bbca33057026e914f32dc823d20c49079836
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 :
42
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.31075.LX.BOT.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-9857931-0
Create hunting rule

Unix.Trojan.Mirai-9866113-0
Create hunting rule

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

Unix.Trojan.Gafgyt-6735924-0
Create hunting rule

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/6952c481127d6a14e0c6efaf/reports/3d811abb-fd4c-4e0e-a52a-281f9dc6ed5c/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-29T16:19:00Z UTC
Last seen:
2025-12-30T05:48:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/cdb28a4be3b21a5aeab0ab07aa203af27b6921053768bf4ad9e9799c0d8e7a4e/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/bf16d476-94da-4546-93ab-a88784093f8d
Behavior Graph:
Download SVG
%3 guuid=63d81926-1900-0000-ebea-36e4ea070000 pid=2026 /usr/bin/sudo guuid=f1d3ff27-1900-0000-ebea-36e4f0070000 pid=2032 /tmp/sample.bin net guuid=63d81926-1900-0000-ebea-36e4ea070000 pid=2026->guuid=f1d3ff27-1900-0000-ebea-36e4f0070000 pid=2032 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=f1d3ff27-1900-0000-ebea-36e4f0070000 pid=2032->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=90734028-1900-0000-ebea-36e4f1070000 pid=2033 /tmp/. dns net send-data zombie guuid=f1d3ff27-1900-0000-ebea-36e4f0070000 pid=2032->guuid=90734028-1900-0000-ebea-36e4f1070000 pid=2033 clone guuid=90734028-1900-0000-ebea-36e4f1070000 pid=2033->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 32B e0fccf6b-a2b9-5275-9131-19292824313c 134.122.13.243:39691 guuid=90734028-1900-0000-ebea-36e4f1070000 pid=2033->e0fccf6b-a2b9-5275-9131-19292824313c send: 87B guuid=48f14e28-1900-0000-ebea-36e4f2070000 pid=2034 /tmp/. guuid=90734028-1900-0000-ebea-36e4f1070000 pid=2033->guuid=48f14e28-1900-0000-ebea-36e4f2070000 pid=2034 clone
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8c0bd523-dee9-40da-bba2-091d348bad07
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1841686
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1841686 Sample: zerx86.elf Startdate: 29/12/2025 Architecture: LINUX Score: 56 20 167.99.246.88, 39691, 58218 DIGITALOCEAN-ASNUS United States 2->20 22 54.247.62.1, 443, 52464 AMAZON-02US United States 2->22 24 slursbeback.ru 2->24 26 Malicious sample detected (through community Yara rule) 2->26 28 Multi AV Scanner detection for submitted file 2->28 8 zerx86.elf 2->8         started        10 dash rm 2->10         started        12 dash head 2->12         started        14 8 other processes 2->14 signatures3 process4 process5 16 zerx86.elf 8->16         started        process6 18 zerx86.elf 16->18         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/cdb28a4be3b21a5aeab0ab07aa203af27b6921053768bf4ad9e9799c0d8e7a4e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cdb28a4be3b21a5aeab0ab07aa203af27b6921053768bf4ad9e9799c0d8e7a4e/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-29 18:12:16 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 37 (48.65%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zwzius7dwinfv2vqvmd2uib26j5wsiifg5ul6swz5f4zydmopjha._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
linux
Link:
https://tria.ge/reports/251229-ws9nragv9h/
Behaviour
Changes its process name
Renames itself
Verdict:
Malicious
Tags:
trojan mirai Unix.Trojan.Mirai-9857931-0
YARA:
Linux_Trojan_Mirai_b14f4c5d Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_cc93863b Linux_Trojan_Mirai_8aa7b5d3
Link:
https://app.threat.zone/submission/31110105-14ce-4183-bb63-747a84af8be7
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.20
Link:
https://yomi.yoroi.company/submissions/cdb28a4be3b21a5aeab0ab07aa203af27b6921053768bf4ad9e9799c0d8e7a4e

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_Trojan_Mirai_88de437f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
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 cdb28a4be3b21a5aeab0ab07aa203af27b6921053768bf4ad9e9799c0d8e7a4e

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3739169/
  
Delivery method
Distributed via web download

Comments