MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2cf0835c4382dc76ae26876df6f2d1f26bc7cc2cf3880aac2be43e1cb933d0ef. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments

SHA256 hash: 2cf0835c4382dc76ae26876df6f2d1f26bc7cc2cf3880aac2be43e1cb933d0ef
SHA3-384 hash: ceac97c6840be21bec0810aeff87368749be40a86b15297b668c385c96ee698f0866cd5de3db8e52039b0cf78c1eb716
SHA1 hash: b940bf0fd10aa164cd52ef19098d3d44fbe2aaed
MD5 hash: 2388e6ed799b9582e803f7750fa814ee
humanhash: item-finch-monkey-hamper
File name:Orbt.x86
Download: download sample
Signature Mirai
File size:60'656 bytes
First seen:2025-10-23 16:14:45 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:csoy0TBfu71BaKee/DAXsJTNZS4nouy8KyE:cso1wRXe+AeTVoutU
TLSH T15253F2D0FAD49816ECFE0CB100FE391E1095601A50D60DD9E7C6446BBC47BD67A28A77
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Magika unknown
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
48
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
DNS request
Runs as daemon
Receives data from a server
Opens a port
Sends data to a server
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
masquerade obfuscated packed upx
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-10-23T13:31:00Z UTC
Last seen:
2025-10-24T10:18:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj HEUR:Backdoor.Linux.Mirai.r
Status:
terminated
Behavior Graph:
%3 guuid=ceaf53fb-1600-0000-0462-a006540e0000 pid=3668 /usr/bin/sudo guuid=7079e3fd-1600-0000-0462-a006560e0000 pid=3670 /tmp/sample.bin net guuid=ceaf53fb-1600-0000-0462-a006540e0000 pid=3668->guuid=7079e3fd-1600-0000-0462-a006560e0000 pid=3670 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=7079e3fd-1600-0000-0462-a006560e0000 pid=3670->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=413c56ff-1600-0000-0462-a006570e0000 pid=3671 /tmp/sample.bin guuid=7079e3fd-1600-0000-0462-a006560e0000 pid=3670->guuid=413c56ff-1600-0000-0462-a006570e0000 pid=3671 clone guuid=dd7f3f2c-1800-0000-0462-a00647120000 pid=4679 /tmp/sample.bin guuid=7079e3fd-1600-0000-0462-a006560e0000 pid=3670->guuid=dd7f3f2c-1800-0000-0462-a00647120000 pid=4679 clone guuid=f974462c-1800-0000-0462-a00648120000 pid=4680 /tmp/sample.bin net send-data zombie guuid=7079e3fd-1600-0000-0462-a006560e0000 pid=3670->guuid=f974462c-1800-0000-0462-a00648120000 pid=4680 clone guuid=b7bb60ff-1600-0000-0462-a006580e0000 pid=3672 /tmp/sample.bin guuid=413c56ff-1600-0000-0462-a006570e0000 pid=3671->guuid=b7bb60ff-1600-0000-0462-a006580e0000 pid=3672 clone guuid=2c3d6fff-1600-0000-0462-a006590e0000 pid=3673 /tmp/sample.bin dns net send-data zombie guuid=413c56ff-1600-0000-0462-a006570e0000 pid=3671->guuid=2c3d6fff-1600-0000-0462-a006590e0000 pid=3673 clone guuid=2c3d6fff-1600-0000-0462-a006590e0000 pid=3673->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 90B 0ecf02bb-0e2c-5ebd-8166-f09908e50581 mirailoversddos.duckdns.org:69 guuid=2c3d6fff-1600-0000-0462-a006590e0000 pid=3673->0ecf02bb-0e2c-5ebd-8166-f09908e50581 send: 10B guuid=f974462c-1800-0000-0462-a00648120000 pid=4680->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 1150B 310a0ed0-c544-54ca-bf3f-fca55e459297 65.222.202.53:80 guuid=f974462c-1800-0000-0462-a00648120000 pid=4680->310a0ed0-c544-54ca-bf3f-fca55e459297 send: 4B
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
64 / 100
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Uses dynamic DNS services
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1800758 Sample: Orbt.x86.elf Startdate: 23/10/2025 Architecture: LINUX Score: 64 22 mirailoversddos.duckdns.org 2->22 24 169.254.169.254, 80 USDOSUS Reserved 2->24 26 3 other IPs or domains 2->26 28 Malicious sample detected (through community Yara rule) 2->28 30 Multi AV Scanner detection for submitted file 2->30 32 Sample is packed with UPX 2->32 8 Orbt.x86.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 34 Uses dynamic DNS services 22->34 process4 process5 12 Orbt.x86.elf 8->12         started        14 Orbt.x86.elf 8->14         started        16 Orbt.x86.elf 8->16         started        process6 18 Orbt.x86.elf 12->18         started        20 Orbt.x86.elf 12->20         started       
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-10-23 16:16:08 UTC
File Type:
ELF32 Little (Exe)
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery linux upx
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Malware Config
C2 Extraction:
mirailoversddos.duckdns.org
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7135858-0
YARA:
n/a
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 2cf0835c4382dc76ae26876df6f2d1f26bc7cc2cf3880aac2be43e1cb933d0ef

(this sample)

  
Delivery method
Distributed via web download

Comments