MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a4cf2aa94a0af3b97cda888e31ba3a9b2577b1f456ea7c5e6b49414a005bef8e. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a4cf2aa94a0af3b97cda888e31ba3a9b2577b1f456ea7c5e6b49414a005bef8e
SHA3-384 hash: 57a9a8a027335e4f8f95a0b38c44eaa513eb59f3beb4e2be268f7b4d74c3f5832743f5d33a17c198b3f9ce2eb7186a73
SHA1 hash: aa1a219970eb1c02d460e577f9c806173a38b435
MD5 hash: 0934f0d3fae1afc992654dd43f4be816
humanhash: twelve-mike-michigan-beer
File name:ohshit.sh
Download: download sample
Signature Mirai
Create hunting rule
File size:2'970 bytes
First seen:2025-04-26 20:09:35 UTC
Last seen:2025-04-27 17:30:43 UTC
File type: sh
MIME type:text/x-shellscript
ssdeep 48:vp+70+7N7hp+v+6Gp+gn+zPp+f+KWp+1+oUp+71+7o7Up+fO+3bp+E+9Rp+h+cgv:vI7T7N7hI26GIg+zPImKWIMoUI7M7o7g
TLSH T17D51778591856C3458B7EB33F6B681383081A0D358EEBF99DEDCBEE4868ED147244B53
Magika shell
Reporter abuse_ch
Tags:mirai sh
URLMalware sample (SHA256 hash)SignatureTags
http://176.65.138.123/hiddenbin/boatnet.x864daee52fff302e0dd9c67b785f6ba384cd099b735db179ebcf64943d95cea55b Miraielf mirai opendir
http://176.65.138.123/hiddenbin/boatnet.mips02ddf8116e45f7892d0f3c9c00bd6142b2aef991bc152ae333b3eac8204e6641 Miraielf mirai opendir
http://176.65.138.123/hiddenbin/boatnet.arc6fefc3d70378be43b371bd7eb3c21ab54af0819d5871e2fb24cae10f9ebe2a81 Miraielf mirai opendir
http://176.65.138.123/hiddenbin/boatnet.i468n/an/aelf
http://176.65.138.123/hiddenbin/boatnet.i686n/an/aelf
http://176.65.138.123/hiddenbin/boatnet.x86_64ca406d7afe9009c1b8b41858aeeb6e6c46c662f9da5c7439df02211e786f0f44 Miraielf mirai opendir
http://176.65.138.123/hiddenbin/boatnet.mpsle7c98fcdebcf3213d3fbd318689466d51f9d2092f8852f36d424d18416490847 Miraielf mirai opendir
http://176.65.138.123/hiddenbin/boatnet.arm1a12b6f44e24c08e65c4a86d6aaee6c5cadaedad6875e9d39fb9826dbe9ecf1d Miraielf mirai opendir
http://176.65.138.123/hiddenbin/boatnet.arm5e554fe34b19cd345f9dabb832e6728475aea2210f8ee6c37ded318485759d6fb Miraielf mirai opendir
http://176.65.138.123/hiddenbin/boatnet.arm64c5d24645fd81921a5ba0022b678a1ee897d95d7742738ee531fe93bb3636f95 Miraielf mirai opendir
http://176.65.138.123/hiddenbin/boatnet.arm759ee762de327085e9d404976970a4a6865fc3e0cabafb0aad249226dac03d02f Miraielf mirai opendir
http://176.65.138.123/hiddenbin/boatnet.ppcb105b9083a06e03a8fc62e3c78cee23ffef08e4b2bcaaa71c953431eb3387986 Miraielf mirai opendir
http://176.65.138.123/hiddenbin/boatnet.spca0789fc56e8c3d2abd26c0edb892251a9b2849ff63aaf07cd8ce15fe151c6aef Miraielf mirai opendir
http://176.65.138.123/hiddenbin/boatnet.m68k4414ff8db7b4927aaeee5a4b2e4d2e53aad3d9443de7daf45883a74ca87e1c0f Miraielf mirai opendir
http://176.65.138.123/hiddenbin/boatnet.sh442d599d6afac363fe274bb0cb258157fb5ef7060817dc1d1acb45e07f8c7d606 Miraielf mirai opendir

Intelligence

File Origin
# of uploads :
2
# of downloads :
103
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30790.LX.BOT.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Downloader-29.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Downloader-6.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=680d3ea1cc5fb3600cc2e583linux22vpnfull_triage
Tags:
shellcode agent virus
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
lolbin remote
Link:
https://www.filescan.io/uploads/680d3da0212716475faf5383/reports/67ca8a20-979b-4d29-913a-2ad54a9a4f6d/overview
Score:
100%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/a4cf2aa94a0af3b97cda888e31ba3a9b2577b1f456ea7c5e6b49414a005bef8e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a4cf2aa94a0af3b97cda888e31ba3a9b2577b1f456ea7c5e6b49414a005bef8e/
Threat name:
Linux.Downloader.Medusa
Create hunting rule
Status:
Malicious
First seen:
2025-04-26 20:02:28 UTC
File Type:
Text (Shell)
AV detection:
18 of 24 (75.00%)
Threat level:
  3/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uthsvkkkblz3s7g2rchddor2tmsxpmpuk3vhyxtljfauuac356ha._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:lzrd antivm botnet defense_evasion discovery linux
Link:
https://tria.ge/reports/250426-yxp61syvhy/
Behaviour
Reads runtime system information
System Network Configuration Discovery
Writes file to tmp directory
Checks CPU configuration
Enumerates running processes
Writes file to system bin folder
File and Directory Permissions Modification
Executes dropped EXE
Modifies Watchdog functionality
Mirai
Mirai family
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a4cf2aa94a0a/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.39
Link:
https://yomi.yoroi.company/submissions/a4cf2aa94a0af3b97cda888e31ba3a9b2577b1f456ea7c5e6b49414a005bef8e

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_Shellscript_Downloader
Create hunting rule
Author:albertzsigovits
Description:Generic Approach to Shellscript downloaders

File information

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

Web download

Mirai

sh a4cf2aa94a0af3b97cda888e31ba3a9b2577b1f456ea7c5e6b49414a005bef8e

(this sample)

Mirai

elf 0d646f1ece2189e6682a6f5783da2cc4d71172dc3d97840d9ef1bb2fa91dbc4f

  
URLhaus
https://urlhaus.abuse.ch/url/3526953/
  
Delivery method
Distributed via web download
  
Dropping
MD5 5980bc60ac10f30ef692202da62664b8
  
Dropping
SHA256 0d646f1ece2189e6682a6f5783da2cc4d71172dc3d97840d9ef1bb2fa91dbc4f

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