MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cf44153b92da38b641a45988f6bdc1024c8c9482305ca024897a51636ce59d77. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cf44153b92da38b641a45988f6bdc1024c8c9482305ca024897a51636ce59d77
SHA3-384 hash: 9dc12e149ac6af018a377e5b18144156afda852b5954f55ca9a89c21b5fd040b465dc7ebabf7ccc88380c7aac360cd43
SHA1 hash: f5aee873947d7051b56857d82213b7be04757eba
MD5 hash: fbc3ba4047f4dfac3af415d332f7e7ea
humanhash: india-romeo-emma-ohio
File name:putita.x86
Download: download sample
Signature Mirai
Create hunting rule
File size:148'864 bytes
First seen:2026-07-29 18:31:16 UTC
Last seen:Never
File type: elf
MIME type:application/x-sharedlib
ssdeep 3072:Sn9Cslzlu1eYlo30tvEWg/q+sk3TJf7+0ao/45YVGIs913rl/e:Zslzlu1eYlo30qWg/7fqkaYVu9tlG
TLSH T182E37C49FA97C0F0E2D341F5012BE76A563A9D116133F5E6FF462B61FCB1302698A26C
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 upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 e87b87e7cca0f235c07ad91bd09b8df76155ab6dd172d4ea324e06a6477acafd
File size (compressed) :64'756 bytes
File size (de-compressed) :148'864 bytes
Format:linux/i386
Packed file: e87b87e7cca0f235c07ad91bd09b8df76155ab6dd172d4ea324e06a6477acafd

Intelligence

File Origin
# of uploads :
1
# of downloads :
80
Origin country :
NL NL
Vendor Threat Intelligence
No detections
Detection(s):
Unix.Virus.Ladvix-10013865-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sets a written file as executable
Sends data to a server
Creating a file
Runs as daemon
Receives data from a server
Creates or modifies symbolic links
Opens a port
Connection attempt
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:
  0/10
Confidence:
100%
Tags:
gcc masquerade rust
Link:
https://www.filescan.io/uploads/6a6a4709b3222c8c08329e6f/reports/f174c4f5-cbe8-48b7-8af1-92c62ffb1e0e/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
3
Number of processes launched:
5
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/cf44153b92da38b641a45988f6bdc1024c8c9482305ca024897a51636ce59d77
Behaviour
Persistence
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-07-29T16:14:00Z UTC
Last seen:
2026-07-29T17:49:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/cf44153b92da38b641a45988f6bdc1024c8c9482305ca024897a51636ce59d77/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/80df5706-df02-420a-b057-c5d7314e2bd8
Behavior Graph:
Download SVG
%3 guuid=cf2a906a-1f00-0000-3aeb-2f4282090000 pid=2434 /usr/bin/sudo guuid=2bc23c6d-1f00-0000-3aeb-2f4286090000 pid=2438 /tmp/sample.bin delete-file net write-config write-file guuid=cf2a906a-1f00-0000-3aeb-2f4282090000 pid=2434->guuid=2bc23c6d-1f00-0000-3aeb-2f4286090000 pid=2438 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=2bc23c6d-1f00-0000-3aeb-2f4286090000 pid=2438->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=2bc23c6d-1f00-0000-3aeb-2f4286090000 pid=2602 /tmp/sample.bin guuid=2bc23c6d-1f00-0000-3aeb-2f4286090000 pid=2438->guuid=2bc23c6d-1f00-0000-3aeb-2f4286090000 pid=2602 clone guuid=2bc23c6d-1f00-0000-3aeb-2f4286090000 pid=2603 /tmp/sample.bin guuid=2bc23c6d-1f00-0000-3aeb-2f4286090000 pid=2438->guuid=2bc23c6d-1f00-0000-3aeb-2f4286090000 pid=2603 clone guuid=2bc23c6d-1f00-0000-3aeb-2f4286090000 pid=2604 /tmp/sample.bin guuid=2bc23c6d-1f00-0000-3aeb-2f4286090000 pid=2438->guuid=2bc23c6d-1f00-0000-3aeb-2f4286090000 pid=2604 clone guuid=2bc23c6d-1f00-0000-3aeb-2f4286090000 pid=2605 /tmp/sample.bin net send-data guuid=2bc23c6d-1f00-0000-3aeb-2f4286090000 pid=2438->guuid=2bc23c6d-1f00-0000-3aeb-2f4286090000 pid=2605 clone guuid=2bc23c6d-1f00-0000-3aeb-2f4286090000 pid=2605->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con 706d8119-5804-563f-93fb-1ad04086f3d8 64.89.163.215:666 guuid=2bc23c6d-1f00-0000-3aeb-2f4286090000 pid=2605->706d8119-5804-563f-93fb-1ad04086f3d8 send: 77B
Malware family:
Gafgyt
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/15d7b06b-4f23-4178-8b4d-d990b1f845a4
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/cf44153b92da38b641a45988f6bdc1024c8c9482305ca024897a51636ce59d77
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cf44153b92da38b641a45988f6bdc1024c8c9482305ca024897a51636ce59d77/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-07-29 18:32:34 UTC
File Type:
ELF32 Little (SO)
AV detection:
11 of 23 (47.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=z5cbko4s3i4lmqnelgepnpobajgizfecgbokajejpjiwg3hftv3q._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion linux persistence privilege_escalation
Link:
https://tria.ge/reports/260729-w6dhgadk8s/
Behaviour
Changes its process name
Modifies Bash startup script
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/cf44153b92da38b641a45988f6bdc1024c8c9482305ca024897a51636ce59d77

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

File information

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

Web download

Mirai

elf e87b87e7cca0f235c07ad91bd09b8df76155ab6dd172d4ea324e06a6477acafd

Mirai

elf cf44153b92da38b641a45988f6bdc1024c8c9482305ca024897a51636ce59d77

(this sample)

  
Dropped by
SHA256 e87b87e7cca0f235c07ad91bd09b8df76155ab6dd172d4ea324e06a6477acafd
  
URLhaus
https://urlhaus.abuse.ch/url/3892146/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 087b71f21e8fe441321088b5c9578287
  
URLhaus
https://urlhaus.abuse.ch/url/3885283/

Comments