MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 37feacb2f37261ce205d7abd4350c15389db51aff36964a63cab72fd291a1f48. 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

SHA256 hash: 37feacb2f37261ce205d7abd4350c15389db51aff36964a63cab72fd291a1f48
SHA3-384 hash: ef189a8704c08e230147feb63f477d64df84d67fa3065671d54d57bcb2a52c4aec2348f7515e6b09c5b660e877ca983b
SHA1 hash: 582cecf661ea41a3628f381b597cbafe51cb781b
MD5 hash: 54b5fa07f14eca1e4ab5598ebd93afb2
humanhash: wolfram-eight-white-london
File name:Orbt.mips
Download: download sample
Signature Mirai
File size:71'280 bytes
First seen:2025-10-24 11:28:21 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:Qe+JbA3YxIkPJdanG5tTMRl6HugsOi4+3uH3ft9DVJuF:55aIkjzMssj4+30LDVQF
TLSH T15C63023E4B409870DBCE48F38CA61B5D29A847BFF103272566976E825CE74E53C52E83
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) :71'280 bytes
File size (de-compressed) :228'884 bytes
Format:linux/mips
Unpacked file: 5c7082f450fbafb29898203a78d3048afcedd1e0e56dd8acb489fb2cd04ce49e

Intelligence


File Origin
# of uploads :
1
# of downloads :
58
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Receives data from a server
Opens a port
Sends data to a server
DNS request
Connection attempt
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
masquerade obfuscated packed upx
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-10-24T08:36:00Z UTC
Last seen:
2025-10-24T09:41:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj
Status:
terminated
Behavior Graph:
%3 guuid=d21d2d6d-1900-0000-f15b-22ba460e0000 pid=3654 /usr/bin/sudo guuid=c79d026f-1900-0000-f15b-22ba490e0000 pid=3657 /tmp/sample.bin guuid=d21d2d6d-1900-0000-f15b-22ba460e0000 pid=3654->guuid=c79d026f-1900-0000-f15b-22ba490e0000 pid=3657 execve
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
64 / 100
Signature
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Uses dynamic DNS services
Yara detected Gafgyt
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1801209 Sample: Orbt.mips.elf Startdate: 24/10/2025 Architecture: LINUX Score: 64 22 mirailoversddos.duckdns.org 2->22 24 169.254.169.254, 80 USDOSUS Reserved 2->24 26 2 other IPs or domains 2->26 28 Multi AV Scanner detection for submitted file 2->28 30 Yara detected Gafgyt 2->30 32 Sample is packed with UPX 2->32 8 Orbt.mips.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 34 Uses dynamic DNS services 22->34 process4 process5 12 Orbt.mips.elf 8->12         started        14 Orbt.mips.elf 8->14         started        16 Orbt.mips.elf 8->16         started        process6 18 Orbt.mips.elf 12->18         started        20 Orbt.mips.elf 12->20         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-10-24 11:29:38 UTC
File Type:
ELF32 Big (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery upx
Behaviour
Reads runtime system information
System Network Configuration Discovery
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Please note that we are no longer able to provide a coverage score for Virus Total.

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_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:upx_packed_elf_v1
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 37feacb2f37261ce205d7abd4350c15389db51aff36964a63cab72fd291a1f48

(this sample)

  
Delivery method
Distributed via web download

Comments