MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d37f15727a91cd5aa3bc26a51c18482bee2941c483ac6dfa1fbb6af74c4a69e9. 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: 6


Intelligence 6 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d37f15727a91cd5aa3bc26a51c18482bee2941c483ac6dfa1fbb6af74c4a69e9
SHA3-384 hash: 8f90ff6beba9c6b03f06c4f8aec04c797d4b3b2862cc984a30b668b58f543a63c33098e58d6e9bde079d1bcb6f0492e5
SHA1 hash: 7308729924ab1e692d05f0c0b137307c5bf26026
MD5 hash: 376911c50156c1241b3cb051382e8443
humanhash: quiet-xray-wyoming-salami
File name:sh4
Download: download sample
Signature Mirai
Create hunting rule
File size:91'780 bytes
First seen:2026-01-25 23:30:33 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:8K43KmVS8XEg+tzGMdx5emhFS99aE4Tz2WzmOEFCeOVKydYX:8KUKSz+tzGqx5/hap8RmOEFO4aYX
TLSH T154937D11CCB19EE8F03A2D7110FAD9BB4713F586D90B6CBA3C47C621505BA94F5A6BB0
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 :
108
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Unix.Dropper.Mirai-7136288-0
Create hunting rule

Unix.Trojan.Mirai-9885259-0
Create hunting rule

Result
Gathering data
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/770bc8f5-9c79-451f-9c56-cceeb1f713e0
Behavior Graph:
Download SVG
%3 guuid=140e0064-1900-0000-ed8e-78e5f9070000 pid=2041 /usr/bin/sudo guuid=f7a2c667-1900-0000-ed8e-78e5ff070000 pid=2047 /tmp/sample.bin guuid=140e0064-1900-0000-ed8e-78e5f9070000 pid=2041->guuid=f7a2c667-1900-0000-ed8e-78e5ff070000 pid=2047 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/374eb051-db3e-4598-a40e-9e44ee608192
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1857302
Signature
Connects to many IPs within the same subnet mask (likely port scanning)
Drops invisible ELF files
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to kill multiple processes (SIGKILL)
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1857302 Sample: sh4.elf Startdate: 26/01/2026 Architecture: LINUX Score: 68 58 212.225.41.1 DEMON-INTERNETNowmaintainedbyCableWirelessWorldwide United Kingdom 2->58 60 212.225.41.6 DEMON-INTERNETNowmaintainedbyCableWirelessWorldwide United Kingdom 2->60 62 100 other IPs or domains 2->62 66 Multi AV Scanner detection for submitted file 2->66 68 Connects to many IPs within the same subnet mask (likely port scanning) 2->68 8 sh4.elf .systemd-journald 2->8         started        12 systemd gpu-manager 2->12         started        14 systemd gpu-manager 2->14         started        16 29 other processes 2->16 signatures3 process4 file5 56 /dev/shm/.systemd-journald, ELF 8->56 dropped 70 Drops invisible ELF files 8->70 72 Sample deletes itself 8->72 18 .systemd-journald 8->18         started        21 gpu-manager sh 12->21         started        23 gpu-manager sh 12->23         started        25 gpu-manager sh 12->25         started        31 5 other processes 12->31 33 8 other processes 14->33 74 Sample reads /proc/mounts (often used for finding a writable filesystem) 16->74 27 gpu-manager sh 16->27         started        29 gpu-manager sh 16->29         started        35 32 other processes 16->35 signatures6 process7 signatures8 64 Sample tries to kill multiple processes (SIGKILL) 18->64 47 2 other processes 18->47 37 sh grep 21->37         started        39 sh grep 23->39         started        41 sh grep 25->41         started        43 sh grep 27->43         started        45 sh grep 29->45         started        50 5 other processes 31->50 52 7 other processes 33->52 54 23 other processes 35->54 process9 signatures10 76 Sample tries to kill multiple processes (SIGKILL) 47->76
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/d37f15727a91cd5aa3bc26a51c18482bee2941c483ac6dfa1fbb6af74c4a69e9
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/d37f15727a91cd5aa3bc26a51c18482bee2941c483ac6dfa1fbb6af74c4a69e9/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-25 23:31:30 UTC
File Type:
ELF32 Little (Exe)
AV detection:
13 of 36 (36.11%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=2n7rk4t2shgvvi54e2srygcifpxcsqoeqowg36q7xnvpotcknhuq._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/260125-3hvkeacz4d/
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/d37f15727a91cd5aa3bc26a51c18482bee2941c483ac6dfa1fbb6af74c4a69e9

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: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 d37f15727a91cd5aa3bc26a51c18482bee2941c483ac6dfa1fbb6af74c4a69e9

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3739408/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3739192/
  
URLhaus
https://urlhaus.abuse.ch/url/3739433/
  
URLhaus
https://urlhaus.abuse.ch/url/3739214/

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