MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 57fa443d9f2a3d95c4f2f64e2501e0cf22ce80a71b8aa382b5203519457b138f. 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: 9


Intelligence 9 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 57fa443d9f2a3d95c4f2f64e2501e0cf22ce80a71b8aa382b5203519457b138f
SHA3-384 hash: 63b68d4eade3709ccde3b304d5041ddbdd0fa1c86424b2c5eb1155e13141942a35d3c703d80ae05c30398bacf9f0d084
SHA1 hash: e7fdc9d13b4f3eb1785384a4f768668d64401711
MD5 hash: 4fab6661869832d9e15d8aba45ed4c2c
humanhash: sixteen-maryland-lithium-bulldog
File name:SecuriteInfo.com.ELF.Svirtu-AA.2234.11260
Download: download sample
Signature Mirai
Create hunting rule
File size:92'588 bytes
First seen:2025-07-26 11:31:38 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:OnXKy9Ly9nYHuh67gTz/XMwQ49+DSknm4ZHLWQlZhFTWvTOL1v:eXH9Ly9nXXMwRYDFnmYS4W6Bv
TLSH T1AF933A95FD918622C6C512B7FB6E028D372713A8E2EE33039D155F21378B91B0EBB552
telfhash t16351e0bbdfa5169d2bd8c64482cd20284efd34bd1f0124abdf2c575f5293181b22d82b
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-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 c395ceb8a4f4064e0671b8d6fdfb45e032c1664b7b2f573c800c3bd6072814d7
File size (compressed) :41'424 bytes
File size (de-compressed) :92'588 bytes
Format:linux/arm
Packed file: c395ceb8a4f4064e0671b8d6fdfb45e032c1664b7b2f573c800c3bd6072814d7

Intelligence

File Origin
# of uploads :
1
# of downloads :
46
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Clean
Maliciousness:
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
lolbin obfuscated remote
Link:
https://www.filescan.io/uploads/6884bcc913488cfd44d963ae/reports/aa2b080c-c179-44dc-a704-9e13b900fdb4/overview
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/39c6291f-1524-4b24-aec4-c14cb5933927
Behavior Graph:
Download SVG
%3 guuid=b764b3a6-1a00-0000-a73f-fd387b090000 pid=2427 /usr/bin/sudo guuid=212cf7a8-1a00-0000-a73f-fd387c090000 pid=2428 /tmp/sample.bin guuid=b764b3a6-1a00-0000-a73f-fd387b090000 pid=2427->guuid=212cf7a8-1a00-0000-a73f-fd387c090000 pid=2428 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/38152ac7-171a-4d2b-b014-246805419c04
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1744609
Signature
Deletes system log files
Drops files in suspicious directories
Manipulation of devices in /dev
Multi AV Scanner detection for submitted file
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1744609 Sample: SecuriteInfo.com.ELF.Svirtu... Startdate: 26/07/2025 Architecture: LINUX Score: 68 31 65.222.202.53, 80 CAPEREGIONALHEALTHSYSTEMUS United States 2->31 33 Multi AV Scanner detection for submitted file 2->33 10 SecuriteInfo.com.ELF.Svirtu-AA.2234.11260.elf 2->10         started        signatures3 process4 process5 12 SecuriteInfo.com.ELF.Svirtu-AA.2234.11260.elf 10->12         started        process6 14 SecuriteInfo.com.ELF.Svirtu-AA.2234.11260.elf 12->14         started        file7 29 /etc/init.d/sysd, POSIX 14->29 dropped 39 Sample tries to set files in /etc globally writable 14->39 41 Drops files in suspicious directories 14->41 43 Sample tries to persist itself using System V runlevels 14->43 18 SecuriteInfo.com.ELF.Svirtu-AA.2234.11260.elf 14->18         started        20 SecuriteInfo.com.ELF.Svirtu-AA.2234.11260.elf sh 14->20         started        signatures8 process9 process10 22 SecuriteInfo.com.ELF.Svirtu-AA.2234.11260.elf 18->22         started        25 SecuriteInfo.com.ELF.Svirtu-AA.2234.11260.elf 18->25         started        27 sh cp 20->27         started        signatures11 35 Manipulation of devices in /dev 22->35 37 Deletes system log files 22->37
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/57fa443d9f2a3d95c4f2f64e2501e0cf22ce80a71b8aa382b5203519457b138f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/57fa443d9f2a3d95c4f2f64e2501e0cf22ce80a71b8aa382b5203519457b138f/
Verdict:
Malicious
Threat:
HEUR:Backdoor.Linux.Mirai
Link:
https://tip.neiki.dev/file/57fa443d9f2a3d95c4f2f64e2501e0cf22ce80a71b8aa382b5203519457b138f
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-07-26 11:32:29 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 35 (48.57%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=k75eipm7fi6zlrhs6zhckapaz4rm5afhdofkhavvea2rsrl3cohq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai
Link:
https://tria.ge/reports/250726-nnfk4syqs8/
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/77985104-87f6-4149-9b3a-eebb1cd6b537
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/57fa443d9f2a3d95c4f2f64e2501e0cf22ce80a71b8aa382b5203519457b138f

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_Threat_d94e1020
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

sh 0558fc110792c30bf63a3cd089e1b58a0c7cfb6993d1c3c3be91d71e6c1997d1

Mirai

elf c395ceb8a4f4064e0671b8d6fdfb45e032c1664b7b2f573c800c3bd6072814d7

Mirai

elf 57fa443d9f2a3d95c4f2f64e2501e0cf22ce80a71b8aa382b5203519457b138f

(this sample)

  
Dropped by
SHA256 c395ceb8a4f4064e0671b8d6fdfb45e032c1664b7b2f573c800c3bd6072814d7
  
URLhaus
https://urlhaus.abuse.ch/url/3590279/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 f52faafa1af0973dff3f55c77d1ee33c

Comments