MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ca992f2e9111102e4994ed33b54340f034905edb830f3aa767bbe84aed757c25. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ca992f2e9111102e4994ed33b54340f034905edb830f3aa767bbe84aed757c25
SHA3-384 hash: 1182e024aa29dcad312432de9ccf0f66641e11ad120b9e90a62c6dfd57f470f9d42023b588d9507c2e282e46ddb46443
SHA1 hash: c8bdb2eb5d384f402646925d2c2a81c2f056b6c3
MD5 hash: 27da4245602852285ec042e717a591e0
humanhash: vermont-finch-december-salami
File name:arm
Download: download sample
Signature Mirai
Create hunting rule
File size:108'476 bytes
First seen:2026-01-23 20:24:35 UTC
Last seen:Never
File type: elf
MIME type:application/x-sharedlib
ssdeep 1536:P0rRFX2eaEgRN/GdhrzVnIuGEwOjC186pyEZqpoT4U8zM3Q7cIqO4Ng+vmMh35gc:QRMeGv/Gd9GgEYeqpk8ziQ7cIq72MhZ
TLSH T123B312BEFF12F71CDEA9F2BB752284D302249236521B420D94063708177DA7D87EA917
Magika elf
Reporter abuse_ch
Tags:elf mirai UPX
File size (compressed) :108'476 bytes
File size (de-compressed) :270'552 bytes
Format:linux/arm
Unpacked file: d79cb8b5d4ecca7397a9ca2fab067bc204832cc12bfb806946e3067ba8645b0b

Intelligence

File Origin
# of uploads :
1
# of downloads :
118
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/14d4dab0-d540-43a4-8e37-9930cf7ae02e/
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
packed upx
Link:
https://www.filescan.io/uploads/6973d93d55805a763ff33aad/reports/554f2bb3-afca-44ea-89f6-0aa6ece90fa2/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
unknown
Number of open files:
2
Number of processes launched:
0
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/ca992f2e9111102e4994ed33b54340f034905edb830f3aa767bbe84aed757c25
Behaviour
Process Renaming
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-23T19:05:00Z UTC
Last seen:
2026-01-23T19:55:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/ca992f2e9111102e4994ed33b54340f034905edb830f3aa767bbe84aed757c25/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/136c0fe8-d1eb-4b69-9b2a-390766e495f8
Behavior Graph:
Download SVG
%3 guuid=cbb05a6b-1600-0000-071f-5ab8370c0000 pid=3127 /usr/bin/sudo guuid=8be9536d-1600-0000-071f-5ab83d0c0000 pid=3133 /tmp/sample.bin guuid=cbb05a6b-1600-0000-071f-5ab8370c0000 pid=3127->guuid=8be9536d-1600-0000-071f-5ab83d0c0000 pid=3133 execve
Malware family:
Ngioweb
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b2d8ec93-c297-4a5f-b3a7-b1f585fc701d
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
52 / 100
Link:
https://www.joesandbox.com/analysis/1856611
Signature
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1856611 Sample: arm.elf Startdate: 23/01/2026 Architecture: LINUX Score: 52 14 169.254.169.254, 80 USDOSUS Reserved 2->14 16 91.92.240.38, 56310, 56312, 56314 THEZONEBG Bulgaria 2->16 18 4 other IPs or domains 2->18 20 Multi AV Scanner detection for submitted file 2->20 22 Sample is packed with UPX 2->22 6 dash rm 2->6         started        8 dash rm 2->8         started        10 python3.8 dpkg 2->10         started        12 arm.elf 2->12         started        signatures3 process4
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/ca992f2e9111102e4994ed33b54340f034905edb830f3aa767bbe84aed757c25
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ca992f2e9111102e4994ed33b54340f034905edb830f3aa767bbe84aed757c25/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-23 20:26:13 UTC
File Type:
ELF32 Little (SO)
AV detection:
8 of 24 (33.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zkms6lurceic4smu5uz3kq2a6a2jaxw3qmhtvj3hxpuev3lvpqsq._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery upx
Link:
https://tria.ge/reports/260123-y7kpaahv5b/
Behaviour
Reads runtime system information
Changes its process name
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/ca992f2e9111102e4994ed33b54340f034905edb830f3aa767bbe84aed757c25

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_arm_mips_ko_so
Create hunting rule
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:unixredflags3
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags
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 ca992f2e9111102e4994ed33b54340f034905edb830f3aa767bbe84aed757c25

(this sample)

Mirai

elf d79cb8b5d4ecca7397a9ca2fab067bc204832cc12bfb806946e3067ba8645b0b

  
URLhaus
https://urlhaus.abuse.ch/url/3748047/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 d79cb8b5d4ecca7397a9ca2fab067bc204832cc12bfb806946e3067ba8645b0b
  
Dropping
MD5 efe9a8cd77e04b135a292a7895ee00a9

Comments