MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d91ec037d4a3bd3da8068121fd9d0447dd5eb7549051e7122b5d217cdb46af81. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d91ec037d4a3bd3da8068121fd9d0447dd5eb7549051e7122b5d217cdb46af81
SHA3-384 hash: 3bb1e4e12bc3fc117f1628bb0f968ecf8477a856bbdae84849ed1bfbca43ff2c83b4a3608fac418f5734ceea0f94d4c4
SHA1 hash: 40d3d454b9e756703392f6730a64fa6830ab2f4b
MD5 hash: 4ed53302e4a6387c46ee7f134cee83f6
humanhash: sink-crazy-glucose-neptune
File name:morte.arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:66'936 bytes
First seen:2025-08-02 12:14:49 UTC
Last seen:2025-08-10 14:17:06 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:9G+gYQHTlcEa8xaM1OBL8BKxEZkWzqE81cgCvH:9GVpHTlcEa8xaUUL8sckyEgH
TLSH T1B56301D8B022AE564EBB7E7B9C4C07033877AD7116BD7405BA124B909EF44C299AED42
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
File size (compressed) :66'936 bytes
File size (de-compressed) :177'811 bytes
Format:linux/arm
Unpacked file: 83b783a95bd1c5d031559fa66571c98af6ded9532a582cf6c6cecf314ecb6b81

Intelligence

File Origin
# of uploads :
3
# of downloads :
24
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sends data to a server
Connection attempt
DNS request
Runs as daemon
Substitutes an application name
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
packed upx
Link:
https://www.filescan.io/uploads/688e016f73b8ef6f4afb2daf/reports/a71aef57-0d29-4e19-b77a-be82aeb65769/overview
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/469e71ab-0dda-4009-8c0e-0fdf167f3a1c
Behavior Graph:
Download SVG
%3 guuid=a089944a-1800-0000-3d58-3f47f70d0000 pid=3575 /usr/bin/sudo guuid=1eda2c4c-1800-0000-3d58-3f47fd0d0000 pid=3581 /tmp/sample.bin guuid=a089944a-1800-0000-3d58-3f47f70d0000 pid=3575->guuid=1eda2c4c-1800-0000-3d58-3f47fd0d0000 pid=3581 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/81447b1f-45e8-490f-a33f-11f918cc057a
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1749045
Signature
Deletes system log files
Manipulation of devices in /dev
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1749045 Sample: morte.arm7.elf Startdate: 02/08/2025 Architecture: LINUX Score: 60 25 169.254.169.254, 80 USDOSUS Reserved 2->25 27 65.222.202.53, 80 CAPEREGIONALHEALTHSYSTEMUS United States 2->27 29 2 other IPs or domains 2->29 31 Multi AV Scanner detection for submitted file 2->31 33 Sample is packed with UPX 2->33 10 morte.arm7.elf 2->10         started        12 python3.8 dpkg 2->12         started        signatures3 process4 process5 14 morte.arm7.elf 10->14         started        process6 16 morte.arm7.elf 14->16         started        process7 18 morte.arm7.elf 16->18         started        process8 20 morte.arm7.elf 18->20         started        23 morte.arm7.elf 18->23         started        signatures9 35 Manipulation of devices in /dev 20->35 37 Deletes system log files 20->37
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/d91ec037d4a3bd3da8068121fd9d0447dd5eb7549051e7122b5d217cdb46af81
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d91ec037d4a3bd3da8068121fd9d0447dd5eb7549051e7122b5d217cdb46af81/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-08-02 12:15:40 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3epman6uuo6t3kagqeq73hiei7ov5n2usbi6oerlluqxzw2gv6aq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery upx
Link:
https://tria.ge/reports/250802-pe7hxagl6s/
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Deletes Audit logs
Deletes journal logs
Mirai
Mirai family
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/95ca9be6-85ca-407f-a4e9-bd189dd1df3e
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/d91ec037d4a3bd3da8068121fd9d0447dd5eb7549051e7122b5d217cdb46af81

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_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:upx_packed_elf_v1
Create hunting rule
Author:RandomMalware

File information

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

Web download

Mirai

elf d91ec037d4a3bd3da8068121fd9d0447dd5eb7549051e7122b5d217cdb46af81

(this sample)

Mirai

elf 83b783a95bd1c5d031559fa66571c98af6ded9532a582cf6c6cecf314ecb6b81

  
Dropping
SHA256 83b783a95bd1c5d031559fa66571c98af6ded9532a582cf6c6cecf314ecb6b81
  
Dropping
MD5 c063f862c0c4d111bfc267c22ca9f6d2
  
URLhaus
https://urlhaus.abuse.ch/url/3586686/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3590627/
  
URLhaus
https://urlhaus.abuse.ch/url/3590948/

Comments