MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 27b6861b9e9acd72c8fb87bdc721aea9a1cc549edd70cdbe6ec8446b49b0d5a8. 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 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 27b6861b9e9acd72c8fb87bdc721aea9a1cc549edd70cdbe6ec8446b49b0d5a8
SHA3-384 hash: eebf1da6c12b9681aecf463a9c11ee425bf85e1614460bfd9821f5f5d8246f56623805993b53a5c64c92df04afcd95d3
SHA1 hash: 4a4a9ecc659be97aafd405bbd19eab606b7c5217
MD5 hash: ca4fda3f11c99f38768875e934ac2144
humanhash: quiet-uranus-lima-august
File name:morte.arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:206'214 bytes
First seen:2025-12-03 23:41:19 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:E2jeX80a4HI/8+oYPHaem4TZBpr1vxHkKqRiM/9X1:E2jeX80a4WbPHaem4TZBp1W7r/T
TLSH T1FD144B46EA404E13C4D71779B6AF024A333297A4D3DB33069D286FB43BC679E4E67A05
telfhash t18e4140b6973596266e61dc24d8ec57a2462ec7130688fe33cf36859c141a48de63ac1f
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 85d931de0b2cce4019fbf2bf6e09f39de05ba99702d79bf72fa6d527a0658a68
File size (compressed) :72'288 bytes
File size (de-compressed) :206'214 bytes
Format:linux/arm
Packed file: 85d931de0b2cce4019fbf2bf6e09f39de05ba99702d79bf72fa6d527a0658a68

Intelligence

File Origin
# of uploads :
1
# of downloads :
33
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Link:
https://research.acce.ciphertechsolutions.com/results/332e8f1d-d4bc-4b1a-971a-28293beda1bb/
Detection(s):
Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.28940.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Siggen.9999-6.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7100807-0
Create hunting rule

Unix.Dropper.Mirai-7135897-0
Create hunting rule

Unix.Dropper.Mirai-7135901-0
Create hunting rule

Unix.Dropper.Mirai-7135909-0
Create hunting rule

Unix.Trojan.Mirai-7135916-0
Create hunting rule

Unix.Dropper.Mirai-7135918-0
Create hunting rule

Unix.Dropper.Mirai-7135925-0
Create hunting rule

Unix.Dropper.Mirai-7135954-0
Create hunting rule

Unix.Dropper.Mirai-7136013-0
Create hunting rule

Unix.Dropper.Mirai-7136016-0
Create hunting rule

Unix.Dropper.Mirai-7136028-0
Create hunting rule

Unix.Dropper.Mirai-7136057-0
Create hunting rule

Unix.Dropper.Mirai-7139229-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

Unix.Trojan.Mirai-9441505-0
Create hunting rule

Unix.Trojan.Mirai-9760303-0
Create hunting rule

Unix.Trojan.Mirai-9858729-0
Create hunting rule

Unix.Trojan.Mirai-10011027-0
Create hunting rule

Unix.Trojan.Mirai-10011918-0
Create hunting rule

Unix.Trojan.Mirai-10058414-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Connection attempt
Launching a process
Substitutes an application name
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gafgyt gcc masquerade mirai obfuscated rust
Link:
https://www.filescan.io/uploads/6930cadbbc15eab491f3dc45/reports/4f4095a4-68bd-4037-beed-73a392729eb0/overview
Result
Gathering data
Gathering data
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/1825938
Signature
Antivirus / Scanner detection for submitted sample
Deletes system log files
Drops files in suspicious directories
Malicious sample detected (through community Yara rule)
Sample tries to kill multiple processes (SIGKILL)
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1825938 Sample: morte.arm7.elf Startdate: 04/12/2025 Architecture: LINUX Score: 84 37 109.202.202.202, 80 INIT7CH Switzerland 2->37 39 91.189.91.42, 443 CANONICAL-ASGB United Kingdom 2->39 41 3 other IPs or domains 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Antivirus / Scanner detection for submitted sample 2->45 47 Yara detected Mirai 2->47 10 morte.arm7.elf 2->10         started        12 xfce4-panel wrapper-2.0 2->12         started        14 xfce4-panel wrapper-2.0 2->14         started        16 6 other processes 2->16 signatures3 process4 process5 18 morte.arm7.elf 10->18         started        process6 20 morte.arm7.elf 18->20         started        file7 35 /etc/init.d/sysd, POSIX 20->35 dropped 49 Sample tries to set files in /etc globally writable 20->49 51 Drops files in suspicious directories 20->51 53 Sample tries to persist itself using System V runlevels 20->53 24 morte.arm7.elf 20->24         started        26 morte.arm7.elf sh 20->26         started        signatures8 process9 process10 28 morte.arm7.elf 24->28         started        31 morte.arm7.elf 24->31         started        33 sh cp 26->33         started        signatures11 55 Deletes system log files 28->55 57 Sample tries to kill multiple processes (SIGKILL) 31->57
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/27b6861b9e9acd72c8fb87bdc721aea9a1cc549edd70cdbe6ec8446b49b0d5a8
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/27b6861b9e9acd72c8fb87bdc721aea9a1cc549edd70cdbe6ec8446b49b0d5a8/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-03 23:42:20 UTC
File Type:
ELF32 Little (Exe)
AV detection:
21 of 36 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=e63img46tlgxfsh3q664oinovgq4yve63vym3ptozbcgwsnq2wua._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:lzrd defense_evasion discovery execution persistence
Link:
https://tria.ge/reports/251203-3p6agswkhw/
Behaviour
Command and Scripting Interpreter: Unix Shell
Reads runtime system information
Changes its process name
Enumerates running processes
Modifies init.d
Modifies rc script
Deletes Audit logs
Deletes journal logs
Malware Config
C2 Extraction:
b3ry.bounceme.net
Please note that we are no longer able to provide a coverage score for Virus Total.

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:botnet_Yakuza
Create hunting rule
Author:NDA0E
Description:Yakuza botnet
Rule name:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_8299c877
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_ea92cca8
Create hunting rule
Author:Elastic Security
Rule name:MAL_ARM_LNX_Mirai_Mar13_2022
Create hunting rule
Author:Mehmet Ali Kerimoglu a.k.a. CYB3RMX
Description:Detects new ARM Mirai variant
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:SUSP_XORed_Mozilla_Oct19
Create hunting rule
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
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 85d931de0b2cce4019fbf2bf6e09f39de05ba99702d79bf72fa6d527a0658a68

Mirai

elf 27b6861b9e9acd72c8fb87bdc721aea9a1cc549edd70cdbe6ec8446b49b0d5a8

(this sample)

  
Dropped by
SHA256 85d931de0b2cce4019fbf2bf6e09f39de05ba99702d79bf72fa6d527a0658a68
  
URLhaus
https://urlhaus.abuse.ch/url/3720211/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 4b264320020286b3b25155878368819d

Comments