MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cac9d37f43ee819af0443cd9985d77e11190e1d8aa24d4f9348281279b608b97. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cac9d37f43ee819af0443cd9985d77e11190e1d8aa24d4f9348281279b608b97
SHA3-384 hash: 85a1c562dc961992031cb2c12c19ae5d35ad5f7762ea8329b24b04236bc8306d5b4b75eec8707ac8acaccfc0943ae445
SHA1 hash: 2e3e07cc94f4c1c6c6149e048d591508955b0009
MD5 hash: dd6f9bd2cb709537da298f4ff705fe41
humanhash: bluebird-alanine-bulldog-winter
File name:arm
Download: download sample
Signature Mirai
Create hunting rule
File size:91'336 bytes
First seen:2025-03-25 19:42:03 UTC
Last seen:2025-03-26 20:49:15 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:6CXlmnnAbTS28Y8kMCmp5782Udj1W6CaS4VTH1M51sMzv9YuZS9gSFhdluI+0Evo:6almnnAbTl8Y8VCmp5782Udj1/FTH1MV
TLSH T1CF931859F8918A56C6C216BFFF2F828C772613A8E2DA7213C9259F11378B5670E7B041
telfhash t1bc0199958bb14adc3fd0a68351ceb0265a8e3be325083995e6a49f4e81b75c1b01713b
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 :
3
# of downloads :
79
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.31075.LX.BOT.UNOFFICIAL
Create hunting rule

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

Unix.Trojan.Gafgyt-9940653-0
Create hunting rule

Unix.Trojan.Mirai-9951089-0
Create hunting rule

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

Verdict:
Clean
Score:
84.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67e3072312b5dc44da3e1307linux22vpnfull_triage
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
expand lolbin remote
Link:
https://www.filescan.io/uploads/67e30723f274bf2d8e213aba/reports/be67cc34-7c06-4beb-9c72-f7b52d3847d2/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
true
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
101
Number of processes launched:
5
Processes remaning?
true
Remote TCP ports scanned:
23
Full report:
https://elfdigest.com/brief/cac9d37f43ee819af0443cd9985d77e11190e1d8aa24d4f9348281279b608b97
Behaviour
Anti-VM
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
type: 74.125.250.129:19302
Result
Verdict:
MALICIOUS
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/00fb79f9-b392-4ddc-a890-141282a77ef7
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1648439
Signature
Multi AV Scanner detection for submitted file
Sample reads /proc/mounts (often used for finding a writable filesystem)
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1648439 Sample: arm.elf Startdate: 25/03/2025 Architecture: LINUX Score: 60 12 daisy.ubuntu.com 2->12 14 Multi AV Scanner detection for submitted file 2->14 16 Yara detected Mirai 2->16 7 arm.elf 2->7         started        signatures3 process4 signatures5 18 Sample reads /proc/mounts (often used for finding a writable filesystem) 7->18 10 arm.elf 7->10         started        process6
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/cac9d37f43ee819af0443cd9985d77e11190e1d8aa24d4f9348281279b608b97
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cac9d37f43ee819af0443cd9985d77e11190e1d8aa24d4f9348281279b608b97/
Threat name:
Linux.Trojan.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-03-25 19:42:19 UTC
File Type:
ELF32 Little (Exe)
AV detection:
11 of 24 (45.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zle5g72d52azv4cehtmzqxlx4eizbyoyvisnj6juqkaspg3arolq._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
credential_access discovery
Link:
https://tria.ge/reports/250325-yest7avnx2/
Behaviour
Reads runtime system information
Changes its process name
Reads process memory
Enumerates running processes
Renames itself
Contacts a large (32140) amount of remote hosts
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:
Mirai
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/cac9d37f43ee819af0443cd9985d77e11190e1d8aa24d4f9348281279b608b97

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:ach_202503_elf_Mirai
Create hunting rule
Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
Rule name:Linux_Generic_Threat_e9aef030
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 cac9d37f43ee819af0443cd9985d77e11190e1d8aa24d4f9348281279b608b97

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3469433/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3468988/

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