MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 51fb50d5201ce9b6ad0498f09b7b16b1e1cf6ef421022bd5345f7ed3c38ba28d. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 51fb50d5201ce9b6ad0498f09b7b16b1e1cf6ef421022bd5345f7ed3c38ba28d
SHA3-384 hash: 233e31008d876d39f97839f748de72df74f60bbfe615f17a27c3cfe1996878157592fedbe38a8548ef45c1421ce01071
SHA1 hash: 1cea5fede7f182ed949cacfe35a4e86f216d9670
MD5 hash: c391fb7f51b7359cc814b198dc196ab6
humanhash: four-massachusetts-jersey-october
File name:debug
Download: download sample
Signature Mirai
Create hunting rule
File size:67'688 bytes
First seen:2025-12-26 23:45:44 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:fH8ivRHzLa1I1Y6LmNgAgulz9smgP5oua/Ess2nouy8Gyh:fH8m1aO+6LDAztKmg2ua/Esxout1
TLSH T12363121D0DA97368C1F6A47C5CEEFDC7DD58A938D699A1F6978034088C83B46180BDF9
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 gafgyt mirai UPX
File size (compressed) :67'688 bytes
File size (de-compressed) :170'600 bytes
Format:linux/i386
Unpacked file: 8ff4a59e1f14089d26028c635652303923d7f49d3b56148f196e517bea190ccd

Intelligence

File Origin
# of uploads :
1
# of downloads :
39
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/5919eecb-a5ca-44d1-b88e-824fdc3e8a1d/
Detection(s):
Unix.Dropper.Mirai-7135858-0
Create hunting rule

Result
Gathering data
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/f3075d79-358b-4e22-95a2-a19c411410ba
Behavior Graph:
Download SVG
%3 guuid=aa8a8121-1a00-0000-a0a9-c65dd0070000 pid=2000 /usr/bin/sudo guuid=2522da23-1a00-0000-a0a9-c65dd3070000 pid=2003 /tmp/sample.bin net write-config write-file guuid=aa8a8121-1a00-0000-a0a9-c65dd0070000 pid=2000->guuid=2522da23-1a00-0000-a0a9-c65dd3070000 pid=2003 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=2522da23-1a00-0000-a0a9-c65dd3070000 pid=2003->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=0770a161-1a00-0000-a0a9-c65d59080000 pid=2137 /usr/bin/dash guuid=2522da23-1a00-0000-a0a9-c65dd3070000 pid=2003->guuid=0770a161-1a00-0000-a0a9-c65d59080000 pid=2137 execve guuid=e09b4764-1a00-0000-a0a9-c65d62080000 pid=2146 /usr/bin/dash guuid=2522da23-1a00-0000-a0a9-c65dd3070000 pid=2003->guuid=e09b4764-1a00-0000-a0a9-c65d62080000 pid=2146 execve guuid=66dce0d7-1a00-0000-a0a9-c65d5a090000 pid=2394 /tmp/sample.bin guuid=2522da23-1a00-0000-a0a9-c65dd3070000 pid=2003->guuid=66dce0d7-1a00-0000-a0a9-c65d5a090000 pid=2394 clone guuid=f0c8e6d7-1a00-0000-a0a9-c65d5b090000 pid=2395 /tmp/sample.bin guuid=2522da23-1a00-0000-a0a9-c65dd3070000 pid=2003->guuid=f0c8e6d7-1a00-0000-a0a9-c65d5b090000 pid=2395 clone guuid=07781f04-1c00-0000-a0a9-c65da90b0000 pid=2985 /tmp/sample.bin guuid=2522da23-1a00-0000-a0a9-c65dd3070000 pid=2003->guuid=07781f04-1c00-0000-a0a9-c65da90b0000 pid=2985 clone guuid=1b7faa30-1d00-0000-a0a9-c65d680d0000 pid=3432 /tmp/sample.bin guuid=2522da23-1a00-0000-a0a9-c65dd3070000 pid=2003->guuid=1b7faa30-1d00-0000-a0a9-c65d680d0000 pid=3432 clone guuid=efe3f15d-1e00-0000-a0a9-c65def0f0000 pid=4079 /tmp/sample.bin guuid=2522da23-1a00-0000-a0a9-c65dd3070000 pid=2003->guuid=efe3f15d-1e00-0000-a0a9-c65def0f0000 pid=4079 clone guuid=b01df98b-1f00-0000-a0a9-c65df3120000 pid=4851 /tmp/sample.bin guuid=2522da23-1a00-0000-a0a9-c65dd3070000 pid=2003->guuid=b01df98b-1f00-0000-a0a9-c65df3120000 pid=4851 clone guuid=9b898cb8-2000-0000-a0a9-c65d71140000 pid=5233 /tmp/sample.bin guuid=2522da23-1a00-0000-a0a9-c65dd3070000 pid=2003->guuid=9b898cb8-2000-0000-a0a9-c65d71140000 pid=5233 clone guuid=887226e6-2100-0000-a0a9-c65d79140000 pid=5241 /tmp/sample.bin guuid=2522da23-1a00-0000-a0a9-c65dd3070000 pid=2003->guuid=887226e6-2100-0000-a0a9-c65d79140000 pid=5241 clone guuid=77e7ee16-2300-0000-a0a9-c65d9a140000 pid=5274 /tmp/sample.bin guuid=2522da23-1a00-0000-a0a9-c65dd3070000 pid=2003->guuid=77e7ee16-2300-0000-a0a9-c65d9a140000 pid=5274 clone guuid=293ba044-2400-0000-a0a9-c65d9b140000 pid=5275 /tmp/sample.bin guuid=2522da23-1a00-0000-a0a9-c65dd3070000 pid=2003->guuid=293ba044-2400-0000-a0a9-c65d9b140000 pid=5275 clone guuid=9fe18472-2500-0000-a0a9-c65d9c140000 pid=5276 /tmp/sample.bin guuid=2522da23-1a00-0000-a0a9-c65dd3070000 pid=2003->guuid=9fe18472-2500-0000-a0a9-c65d9c140000 pid=5276 clone guuid=977342a0-2600-0000-a0a9-c65d9d140000 pid=5277 /tmp/sample.bin guuid=2522da23-1a00-0000-a0a9-c65dd3070000 pid=2003->guuid=977342a0-2600-0000-a0a9-c65d9d140000 pid=5277 clone guuid=0ac436ce-2700-0000-a0a9-c65d9e140000 pid=5278 /tmp/sample.bin guuid=2522da23-1a00-0000-a0a9-c65dd3070000 pid=2003->guuid=0ac436ce-2700-0000-a0a9-c65d9e140000 pid=5278 clone guuid=5685f361-1a00-0000-a0a9-c65d5b080000 pid=2139 /usr/bin/systemctl guuid=0770a161-1a00-0000-a0a9-c65d59080000 pid=2137->guuid=5685f361-1a00-0000-a0a9-c65d5b080000 pid=2139 execve guuid=2ed58764-1a00-0000-a0a9-c65d63080000 pid=2147 /usr/bin/systemctl guuid=e09b4764-1a00-0000-a0a9-c65d62080000 pid=2146->guuid=2ed58764-1a00-0000-a0a9-c65d63080000 pid=2147 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/fd373b76-c078-46d8-918f-573fddc31211
Result
Threat name:
Gafgyt
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1840102
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Yara detected Gafgyt
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1840102 Sample: debug.elf Startdate: 27/12/2025 Architecture: LINUX Score: 68 27 169.254.169.254, 80 USDOSUS Reserved 2->27 29 109.202.202.202, 80 INIT7CH Switzerland 2->29 31 2 other IPs or domains 2->31 33 Malicious sample detected (through community Yara rule) 2->33 35 Multi AV Scanner detection for submitted file 2->35 37 Yara detected Gafgyt 2->37 39 Sample is packed with UPX 2->39 8 debug.elf 2->8         started        11 python3.8 dpkg 2->11         started        signatures3 process4 file5 25 /usr/local/bin/infinitd, ELF 8->25 dropped 13 debug.elf sh 8->13         started        15 debug.elf sh 8->15         started        17 debug.elf 8->17         started        19 8 other processes 8->19 process6 process7 21 sh systemctl 13->21         started        23 sh systemctl 15->23         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/51fb50d5201ce9b6ad0498f09b7b16b1e1cf6ef421022bd5345f7ed3c38ba28d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/51fb50d5201ce9b6ad0498f09b7b16b1e1cf6ef421022bd5345f7ed3c38ba28d/
Threat name:
Linux.Trojan.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2025-12-26 23:46:26 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 36 (38.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kh5vbvjadtu3nlietdyjw6ywwhq463xueebcxvjul57nhq4lukgq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet discovery linux persistence privilege_escalation upx
Link:
https://tria.ge/reports/251226-3sf5rssnfm/
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
UPX packed file
Enumerates active TCP sockets
Enumerates running processes
Modifies systemd
Write file to user bin folder
Mirai
Mirai family
Malware Config
C2 Extraction:
teamc2.duckdns.org
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 51fb50d5201ce9b6ad0498f09b7b16b1e1cf6ef421022bd5345f7ed3c38ba28d

(this sample)

Mirai

elf 8ff4a59e1f14089d26028c635652303923d7f49d3b56148f196e517bea190ccd

  
URLhaus
https://urlhaus.abuse.ch/url/3719331/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3722814/
  
Dropping
SHA256 8ff4a59e1f14089d26028c635652303923d7f49d3b56148f196e517bea190ccd
  
Dropping
MD5 a1df02d8a7e04a3132ceebe974f7e181

Comments