MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c099391242485ad98161f1c531f86b01265f3efb4be3c66ab8eabed5f8785e15. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c099391242485ad98161f1c531f86b01265f3efb4be3c66ab8eabed5f8785e15
SHA3-384 hash: 3fea88753c154a45c9914555fcef701d80ee5fb4957b195c19b282ae4902d7fd29f42455c4be300e94a4fbdfa7982c92
SHA1 hash: 009a2c62c57ce4845198d0059e6b0df053012e85
MD5 hash: 477ec709deafe7d4cfad30a1750bc767
humanhash: xray-lemon-red-west
File name:Orbt.arm
Download: download sample
Signature Mirai
Create hunting rule
File size:64'424 bytes
First seen:2025-10-26 16:21:15 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:Ph0Ba1D5xler5evYYCtfvMeGyF0vEblzwXfn3b7g5hLJza:2CNxgEvsfvMY0vkar7+Ju
TLSH T13C530248DE1A2A00A274CC35A6A7CFDA77336D9DD87B366378441378E6D6ED900F046B
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
File size (compressed) :64'424 bytes
File size (de-compressed) :170'720 bytes
Format:linux/arm
Unpacked file: a7982ee1085ed85465c733d7bdabab74dab338ba6d2f22fc0c4acece18cf8398

Intelligence

File Origin
# of uploads :
1
# of downloads :
101
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Mirai-18.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
masquerade obfuscated packed upx
Link:
https://www.filescan.io/uploads/68fe4a82c85c5c5697368610/reports/469406c6-6b3a-4dd5-882a-38fa6010f03a/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-10-26T12:06:00Z UTC
Last seen:
2025-10-26T20:51:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/c099391242485ad98161f1c531f86b01265f3efb4be3c66ab8eabed5f8785e15/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/78662fcd-419d-42f5-bc50-3c57e4b497f0
Behavior Graph:
Download SVG
%3 guuid=6fe6e5e0-1900-0000-9927-17b7ec080000 pid=2284 /usr/bin/sudo guuid=ac9688e2-1900-0000-9927-17b7f3080000 pid=2291 /tmp/sample.bin guuid=6fe6e5e0-1900-0000-9927-17b7ec080000 pid=2284->guuid=ac9688e2-1900-0000-9927-17b7f3080000 pid=2291 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/0e4f6fc4-e7ad-470c-bd9b-28b2cb5d2806
Result
Threat name:
Gafgyt
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1801988
Signature
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Uses dynamic DNS services
Yara detected Gafgyt
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1801988 Sample: Orbt.arm.elf Startdate: 26/10/2025 Architecture: LINUX Score: 64 26 mirailoversddos.duckdns.org 2->26 28 169.254.169.254, 80 USDOSUS Reserved 2->28 30 4 other IPs or domains 2->30 32 Multi AV Scanner detection for submitted file 2->32 34 Yara detected Gafgyt 2->34 36 Sample is packed with UPX 2->36 8 Orbt.arm.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        14 python3.8 dpkg 2->14         started        signatures3 38 Uses dynamic DNS services 26->38 process4 process5 16 Orbt.arm.elf 8->16         started        18 Orbt.arm.elf 8->18         started        20 Orbt.arm.elf 8->20         started        process6 22 Orbt.arm.elf 16->22         started        24 Orbt.arm.elf 16->24         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/c099391242485ad98161f1c531f86b01265f3efb4be3c66ab8eabed5f8785e15
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c099391242485ad98161f1c531f86b01265f3efb4be3c66ab8eabed5f8785e15/
Threat name:
Linux.Trojan.Svirtu
Create hunting rule
Status:
Malicious
First seen:
2025-10-26 16:22:37 UTC
File Type:
ELF32 Little (Exe)
AV detection:
20 of 38 (52.63%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ycmtsescjbnntalb6hctd6dlaetf6px3jpr4m2vy5k7nl6dylykq._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
upx
Link:
https://tria.ge/reports/251026-tttykscp9v/
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/13e25283-b504-4f1f-b89d-3682363fc3a6
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/c099391242485ad98161f1c531f86b01265f3efb4be3c66ab8eabed5f8785e15

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: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: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 c099391242485ad98161f1c531f86b01265f3efb4be3c66ab8eabed5f8785e15

(this sample)

Mirai

elf a7982ee1085ed85465c733d7bdabab74dab338ba6d2f22fc0c4acece18cf8398

  
URLhaus
https://urlhaus.abuse.ch/url/3682109/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 a7982ee1085ed85465c733d7bdabab74dab338ba6d2f22fc0c4acece18cf8398
  
Dropping
MD5 b6d87ed0b29e4e08c21210595d09d8f5
  
URLhaus
https://urlhaus.abuse.ch/url/3684969/

Comments