MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 51f6bbd75fd06ed07f292437fdd97dcb3a694856dd6a124e6f27183e3f69bada. 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 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 51f6bbd75fd06ed07f292437fdd97dcb3a694856dd6a124e6f27183e3f69bada
SHA3-384 hash: a3aaba44fa41f2bc5be3ac9f5d9bd3eb2e79a89a40dfdf5ca2ebf736fdeff2e5896e7fdac7646deca62c1853438bb575
SHA1 hash: 752c866f4863d58b77c40b79d19584cee8a6a4e3
MD5 hash: a4e38c34fb509ccc9c6896db4aa90a1a
humanhash: wyoming-sweet-oranges-hamper
File name:shadow.x86_64
Download: download sample
Signature Mirai
Create hunting rule
File size:74'752 bytes
First seen:2025-12-30 18:50:10 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:RZNFkim2DpstFqcWx298DFFQmVYDlN/xuvqusLY+Sn4A2/wgCQHhjFpABRAaNXfJ:jkimwoFqP298DFFQmVYDj/xuvqusLY+0
TLSH T174734A5BB45951FDC448C23807BEB03AD426B4BE427DB2FA27D8FB06AD87E105EAC415
telfhash t1e01126b838a7595460f7aa717b42f5f180b20e6131c235e0cd3f49e34f7a3d61c60412
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

Intelligence

File Origin
# of uploads :
1
# of downloads :
41
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Link:
https://research.acce.ciphertechsolutions.com/results/4f4b1b8e-7782-4510-9106-56adab3deb77/
Detection(s):
Sanesecurity.Malware.29052.TSource.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-1
Create hunting rule

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
mirai obfuscated
Link:
https://www.filescan.io/uploads/69541eee2fb7bb52ca827950/reports/9daaf9aa-9190-449b-889b-977bcd12c54a/overview
Result
Gathering data
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/dfa5170e-453a-4107-8645-d9df596f2e20
Behavior Graph:
Download SVG
%3 guuid=438cded2-1900-0000-ac76-23f7d3090000 pid=2515 /usr/bin/sudo guuid=3c8c53d5-1900-0000-ac76-23f7d7090000 pid=2519 /tmp/sample.bin delete-file net guuid=438cded2-1900-0000-ac76-23f7d3090000 pid=2515->guuid=3c8c53d5-1900-0000-ac76-23f7d7090000 pid=2519 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=3c8c53d5-1900-0000-ac76-23f7d7090000 pid=2519->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=89406ed5-1900-0000-ac76-23f7d9090000 pid=2521 /tmp/sample.bin write-file zombie guuid=3c8c53d5-1900-0000-ac76-23f7d7090000 pid=2519->guuid=89406ed5-1900-0000-ac76-23f7d9090000 pid=2521 clone guuid=def47bd5-1900-0000-ac76-23f7da090000 pid=2522 /tmp/sample.bin dns net send-data guuid=89406ed5-1900-0000-ac76-23f7d9090000 pid=2521->guuid=def47bd5-1900-0000-ac76-23f7da090000 pid=2522 clone guuid=def47bd5-1900-0000-ac76-23f7da090000 pid=2522->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con 54d92a3b-1447-55af-b534-047898c60c8d 1.1.1.1:53 guuid=def47bd5-1900-0000-ac76-23f7da090000 pid=2522->54d92a3b-1447-55af-b534-047898c60c8d send: 26B c610bf36-1f00-5bc3-ae18-24f0473b35c2 81.88.18.108:6767 guuid=def47bd5-1900-0000-ac76-23f7da090000 pid=2522->c610bf36-1f00-5bc3-ae18-24f0473b35c2 send: 13B guuid=cc5e83d5-1900-0000-ac76-23f7db090000 pid=2523 /tmp/sample.bin guuid=def47bd5-1900-0000-ac76-23f7da090000 pid=2522->guuid=cc5e83d5-1900-0000-ac76-23f7db090000 pid=2523 clone
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/0fd0d763-8961-4b50-bb16-c99390e20ce6
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1842228
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Performs DNS TXT record lookups
Sample deletes itself
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1842228 Sample: shadow.x86_64.elf Startdate: 30/12/2025 Architecture: LINUX Score: 64 22 kurol.io 2->22 24 81.88.18.108, 34708, 6767 LEVEL3US Germany 2->24 26 4 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 9 shadow.x86_64.elf 2->9         started        12 dash rm 2->12         started        14 dash rm 2->14         started        signatures3 32 Performs DNS TXT record lookups 22->32 process4 signatures5 34 Sample deletes itself 9->34 16 shadow.x86_64.elf 9->16         started        process6 process7 18 shadow.x86_64.elf 16->18         started        process8 20 shadow.x86_64.elf 18->20         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/51f6bbd75fd06ed07f292437fdd97dcb3a694856dd6a124e6f27183e3f69bada
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/51f6bbd75fd06ed07f292437fdd97dcb3a694856dd6a124e6f27183e3f69bada/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Suspicious
First seen:
2025-12-30 18:50:25 UTC
File Type:
ELF64 Little (Exe)
AV detection:
8 of 36 (22.22%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kh3lxv272bxna7zjeq373wl5zm5gsscw3vvbettpe4md4p3jxlna._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery linux upx
Link:
https://tria.ge/reports/251230-xheajazkas/
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Enumerates active TCP sockets
Enumerates running processes
Deletes itself
Modifies Watchdog functionality
Unexpected DNS network traffic destination
Verdict:
Malicious
Tags:
trojan gafgyt mirai Unix.Trojan.Mirai-1
YARA:
Linux_Trojan_Gafgyt_9e9530a7 Linux_Trojan_Gafgyt_807911a2 Linux_Trojan_Gafgyt_d4227dbf Linux_Trojan_Gafgyt_620087b9 Linux_Trojan_Gafgyt_0cd591cd Linux_Trojan_Gafgyt_33b4111a Linux_Trojan_Gafgyt_a33a8363 Linux_Trojan_Mirai_1e0c5ce0 Linux_Trojan_Mirai_e0cf29e2
Link:
https://app.threat.zone/submission/3e8bed26-1b46-4f9a-992f-9d6b01714300
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.06
Link:
https://yomi.yoroi.company/submissions/51f6bbd75fd06ed07f292437fdd97dcb3a694856dd6a124e6f27183e3f69bada

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_Trojan_Gafgyt_0cd591cd
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_33b4111a
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_620087b9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_807911a2
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_9e9530a7
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_a33a8363
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d4227dbf
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_1e0c5ce0
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_e0cf29e2
Create hunting rule
Author:Elastic Security
Rule name:unixredflags3
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf 51f6bbd75fd06ed07f292437fdd97dcb3a694856dd6a124e6f27183e3f69bada

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3739066/
  
Delivery method
Distributed via web download

Comments