MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 774aa41f5755c79673ca63492f9b3c1153b1255f26d80d7f45bd178c03e1c40d. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 774aa41f5755c79673ca63492f9b3c1153b1255f26d80d7f45bd178c03e1c40d
SHA3-384 hash: 03c00e307a7e808088e0979e5eadb15f8e8fcb1155e01975e31bf6a96cc8dfe8806580ef52a309963ff5871215b35c6e
SHA1 hash: 2e19852953f3d747849afff6d1c926303f5d84b9
MD5 hash: 6fedf5e4a6940d8997247371c39c959e
humanhash: stream-artist-berlin-fix
File name:shadow.i486
Download: download sample
Signature Mirai
Create hunting rule
File size:62'044 bytes
First seen:2025-12-21 18:03:37 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:Mafu/uBXq0fdrsPv0a7UUevkegHav8/ZRy+Let6:MD/uBXq0fVsPvj77eMeMhRte
TLSH T171533AC46A02DAF5DC161170E07AFB7E46B6F63E0119EEAFD7D58466C4A3D12A70238C
telfhash t114113af95abe58d8b3e49000924d6ea11a0bd67b38513bf14632e93426bfe42043dc3c
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 :
39
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/53fa0019-1bfd-44a7-ab82-8d5755ef3e88/
Detection(s):
Sanesecurity.Malware.29052.TSource.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-1
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
DNS request
Runs as daemon
Receives data from a server
Kills processes
Creating a file
Opens a port
Sends data to a server
Substitutes an application name
Kills critical processes
Deleting of the original file
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade
Link:
https://www.filescan.io/uploads/694836a23f8fdbf8e94db43f/reports/2d2fc32c-d86e-410a-b4ad-28dda4485cf7/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-21T15:03:00Z UTC
Last seen:
2025-12-21T17:21:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.gen HEUR:Backdoor.Linux.Mirai.fg HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.ge
Link:
https://opentip.kaspersky.com/774aa41f5755c79673ca63492f9b3c1153b1255f26d80d7f45bd178c03e1c40d/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/d3516a46-11d6-4199-aa51-f4a5e00d341c
Behavior Graph:
Download SVG
%3 guuid=5fdd4b5c-1a00-0000-ee2c-3e78000a0000 pid=2560 /usr/bin/sudo guuid=f7ac0c5f-1a00-0000-ee2c-3e78090a0000 pid=2569 /tmp/sample.bin delete-file net guuid=5fdd4b5c-1a00-0000-ee2c-3e78000a0000 pid=2560->guuid=f7ac0c5f-1a00-0000-ee2c-3e78090a0000 pid=2569 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=f7ac0c5f-1a00-0000-ee2c-3e78090a0000 pid=2569->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=6d06475f-1a00-0000-ee2c-3e780a0a0000 pid=2570 /tmp/sample.bin write-file zombie guuid=f7ac0c5f-1a00-0000-ee2c-3e78090a0000 pid=2569->guuid=6d06475f-1a00-0000-ee2c-3e780a0a0000 pid=2570 clone guuid=3cbd5f5f-1a00-0000-ee2c-3e780b0a0000 pid=2571 /tmp/sample.bin dns net send-data guuid=6d06475f-1a00-0000-ee2c-3e780a0a0000 pid=2570->guuid=3cbd5f5f-1a00-0000-ee2c-3e780b0a0000 pid=2571 clone guuid=3cbd5f5f-1a00-0000-ee2c-3e780b0a0000 pid=2571->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 130B b4bf20d4-f7c8-5c24-8830-c23364537aa4 8.8.4.4:53 guuid=3cbd5f5f-1a00-0000-ee2c-3e780b0a0000 pid=2571->b4bf20d4-f7c8-5c24-8830-c23364537aa4 send: 130B c610bf36-1f00-5bc3-ae18-24f0473b35c2 81.88.18.108:6767 guuid=3cbd5f5f-1a00-0000-ee2c-3e780b0a0000 pid=2571->c610bf36-1f00-5bc3-ae18-24f0473b35c2 send: 11B 54d92a3b-1447-55af-b534-047898c60c8d 1.1.1.1:53 guuid=3cbd5f5f-1a00-0000-ee2c-3e780b0a0000 pid=2571->54d92a3b-1447-55af-b534-047898c60c8d send: 130B guuid=0660695f-1a00-0000-ee2c-3e780d0a0000 pid=2573 /tmp/sample.bin guuid=3cbd5f5f-1a00-0000-ee2c-3e780b0a0000 pid=2571->guuid=0660695f-1a00-0000-ee2c-3e780d0a0000 pid=2573 clone
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e8cee792-7eea-41aa-875f-3068343f20b9
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1837135
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: 1837135 Sample: shadow.i486.elf Startdate: 21/12/2025 Architecture: LINUX Score: 64 18 kurol.io 2->18 20 81.88.18.108, 43242, 6767 LEVEL3US Germany 2->20 22 Malicious sample detected (through community Yara rule) 2->22 24 Multi AV Scanner detection for submitted file 2->24 9 shadow.i486.elf 2->9         started        signatures3 26 Performs DNS TXT record lookups 18->26 process4 signatures5 28 Sample deletes itself 9->28 12 shadow.i486.elf 9->12         started        process6 process7 14 shadow.i486.elf 12->14         started        process8 16 shadow.i486.elf 14->16         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/774aa41f5755c79673ca63492f9b3c1153b1255f26d80d7f45bd178c03e1c40d
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/774aa41f5755c79673ca63492f9b3c1153b1255f26d80d7f45bd178c03e1c40d/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/774aa41f5755c79673ca63492f9b3c1153b1255f26d80d7f45bd178c03e1c40d
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-21 18:04:26 UTC
File Type:
ELF32 Little (Exe)
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=o5fkih2xkxdzm46kmnes7gz4cfj3cjk7e3ma272fxulyya7byqgq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery linux upx
Link:
https://tria.ge/reports/251221-wnt3hagw3f/
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Deletes itself
Modifies Watchdog functionality
Unexpected DNS network traffic destination
Verdict:
Malicious
Tags:
trojan mirai Unix.Trojan.Mirai-1
YARA:
Linux_Trojan_Mirai_5f7b67b8 Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_ae9d0fa6 Linux_Trojan_Mirai_cc93863b Linux_Trojan_Mirai_8aa7b5d3
Link:
https://app.threat.zone/submission/00208acc-6197-41fb-ba34-e5182ea05002
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/774aa41f5755c79673ca63492f9b3c1153b1255f26d80d7f45bd178c03e1c40d

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_Mirai_5f7b67b8
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_ae9d0fa6
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
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 774aa41f5755c79673ca63492f9b3c1153b1255f26d80d7f45bd178c03e1c40d

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3739062/
  
Delivery method
Distributed via web download

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