MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 261fa51d601b568e85af693dd2ecbdfcf44971faba9e153156c4574f351efa53. 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: 261fa51d601b568e85af693dd2ecbdfcf44971faba9e153156c4574f351efa53
SHA3-384 hash: aa95472d712737796e0c89305a9cfcdea1425b0fb0c7c7f982ee1acbf436a86e96a74495859f5e4c97b03845cd826f75
SHA1 hash: 18ed2017680a4d09a34d7311b56e0f81ef633452
MD5 hash: 86659d5c04a2830d0943907d7cdda1ce
humanhash: carpet-alabama-early-arizona
File name:debug
Download: download sample
Signature Mirai
Create hunting rule
File size:54'288 bytes
First seen:2025-11-26 17:14:29 UTC
Last seen:2025-11-27 02:18:50 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:0QPCeXUQdvalJJzvA6Un9z29O2PqaGnouy8Gym:3CeXtNalJ1A9z2pPh2outq
TLSH T18F33F267CADA19439A5C64FA52D6AD0C02B4B0A5F72550B3DFD1C02FC3BCB523BB9541
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) :54'288 bytes
File size (de-compressed) :133'484 bytes
Format:linux/i386
Unpacked file: 5b03cb23cffed0f7df0c02c5d47a23c8e1bd7d9a58371548ae6e7a31f7b85067

Intelligence

File Origin
# of uploads :
3
# of downloads :
36
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Unix.Dropper.Mirai-7135858-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sends data to a server
Receives data from a server
Opens a port
Connection attempt
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
gafgyt mirai obfuscated packed upx
Link:
https://www.filescan.io/uploads/692735a8c700e5f158ac52cd/reports/a8e10adb-416b-4a0f-b770-105f3e0db477/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
0
Number of processes launched:
1
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/261fa51d601b568e85af693dd2ecbdfcf44971faba9e153156c4574f351efa53
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Gathering data
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/773fe5b3-c11f-4fa4-9835-ff86e290b60a
Behavior Graph:
Download SVG
%3 guuid=1b9e2b4d-1700-0000-e5a6-fff2c60d0000 pid=3526 /usr/bin/sudo guuid=1c4c224f-1700-0000-e5a6-fff2cd0d0000 pid=3533 /tmp/sample.bin net send-data guuid=1b9e2b4d-1700-0000-e5a6-fff2c60d0000 pid=3526->guuid=1c4c224f-1700-0000-e5a6-fff2cd0d0000 pid=3533 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=1c4c224f-1700-0000-e5a6-fff2cd0d0000 pid=3533->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con 254c1e25-2316-5fd2-9b0e-c7f4ce2747d1 143.20.185.245:6769 guuid=1c4c224f-1700-0000-e5a6-fff2cd0d0000 pid=3533->254c1e25-2316-5fd2-9b0e-c7f4ce2747d1 send: 6B guuid=a8e9a38b-1700-0000-e5a6-fff25a0e0000 pid=3674 /tmp/sample.bin net send-data zombie guuid=1c4c224f-1700-0000-e5a6-fff2cd0d0000 pid=3533->guuid=a8e9a38b-1700-0000-e5a6-fff25a0e0000 pid=3674 clone guuid=c2f5e7b8-1800-0000-e5a6-fff2db100000 pid=4315 /tmp/sample.bin guuid=1c4c224f-1700-0000-e5a6-fff2cd0d0000 pid=3533->guuid=c2f5e7b8-1800-0000-e5a6-fff2db100000 pid=4315 clone guuid=a8e9a38b-1700-0000-e5a6-fff25a0e0000 pid=3674->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=a8e9a38b-1700-0000-e5a6-fff25a0e0000 pid=3674->254c1e25-2316-5fd2-9b0e-c7f4ce2747d1 send: 10B guuid=3a78b28b-1700-0000-e5a6-fff25b0e0000 pid=3675 /tmp/sample.bin guuid=a8e9a38b-1700-0000-e5a6-fff25a0e0000 pid=3674->guuid=3a78b28b-1700-0000-e5a6-fff25b0e0000 pid=3675 clone
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b8d112c8-d182-4736-b76d-501b3c6d11c0
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1821302
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1821302 Sample: debug.elf Startdate: 26/11/2025 Architecture: LINUX Score: 60 18 169.254.169.254, 80 USDOSUS Reserved 2->18 20 143.20.185.245, 51262, 51264, 6769 LANCAMANTOANISERVICOSDEINFORMATICALTDA-MEBR United States 2->20 22 daisy.ubuntu.com 2->22 24 Malicious sample detected (through community Yara rule) 2->24 26 Multi AV Scanner detection for submitted file 2->26 28 Sample is packed with UPX 2->28 8 debug.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 process4 process5 12 debug.elf 8->12         started        14 debug.elf 8->14         started        process6 16 debug.elf 12->16         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/261fa51d601b568e85af693dd2ecbdfcf44971faba9e153156c4574f351efa53
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/261fa51d601b568e85af693dd2ecbdfcf44971faba9e153156c4574f351efa53/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-11-26 17:15:24 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 36 (41.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=eyp2khladnli5bnpne65f3f57t2es4p2xkpbkmkwyrlu6ni67jjq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery linux upx
Link:
https://tria.ge/reports/251126-vsp4nsdr21/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7135858-0
YARA:
n/a
Link:
https://app.threat.zone/submission/a21fe252-514b-4341-8c4f-dee72b935b8b
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
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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 261fa51d601b568e85af693dd2ecbdfcf44971faba9e153156c4574f351efa53

(this sample)

Mirai

elf 5b03cb23cffed0f7df0c02c5d47a23c8e1bd7d9a58371548ae6e7a31f7b85067

  
URLhaus
https://urlhaus.abuse.ch/url/3717323/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 5b03cb23cffed0f7df0c02c5d47a23c8e1bd7d9a58371548ae6e7a31f7b85067
  
Dropping
MD5 9853ddb9a5e0b502f9cac77996e18a90

Comments