MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a5af8a3b9df5a58788f5f57e8ae7206c469ab566f6c5b4caecec4a32f44fcf52. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments

SHA256 hash: a5af8a3b9df5a58788f5f57e8ae7206c469ab566f6c5b4caecec4a32f44fcf52
SHA3-384 hash: a4534e39eefed1b7086329c9674c4e1c649e786e92a07ccf5a38088d87e1248c051d6bf1429ce120b58dbc2a81f01680
SHA1 hash: 29aeabfae793282fb68e0f4d0631904116ce1630
MD5 hash: ec35f6666f6b336e02b7c6779b51952f
humanhash: washington-sweet-fanta-hot
File name:morte.x86_64
Download: download sample
Signature Mirai
File size:39'940 bytes
First seen:2025-11-06 23:47:35 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:ds8ONmERRSPVvC7+lWML0m607Ky+qmVPZaeQaDyewbPe4Hsiyg/dj0Zx0Y3:ds8OcAYV5lWMLpl+qmZZaoLwLe4Vax3
TLSH T1C803F17FAD7FD6FCD96B68B50C1606D8BC23292A871B572F1444A23E0D7E4299E27340
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) :39'940 bytes
File size (de-compressed) :80'208 bytes
Format:linux/amd64
Unpacked file: a029f45d5837de4f076fcfb429c5bccabfeb03b148f68aabcdc2b1e768a42c08

Intelligence


File Origin
# of uploads :
1
# of downloads :
62
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
Runs as daemon
Connection attempt
Sends data to a server
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gafgyt mirai obfuscated packed upx
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2025-11-06T21:57:00Z UTC
Last seen:
2025-11-07T01:14:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=082d1bfa-1700-0000-dc24-9d54880c0000 pid=3208 /usr/bin/sudo guuid=81a754fd-1700-0000-dc24-9d54890c0000 pid=3209 /tmp/sample.bin mprotect-exec net guuid=082d1bfa-1700-0000-dc24-9d54880c0000 pid=3208->guuid=81a754fd-1700-0000-dc24-9d54890c0000 pid=3209 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=81a754fd-1700-0000-dc24-9d54890c0000 pid=3209->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=01ea83fe-1700-0000-dc24-9d548a0c0000 pid=3210 /tmp/sample.bin guuid=81a754fd-1700-0000-dc24-9d54890c0000 pid=3209->guuid=01ea83fe-1700-0000-dc24-9d548a0c0000 pid=3210 clone guuid=a9238a29-1900-0000-dc24-9d54160f0000 pid=3862 /tmp/sample.bin guuid=81a754fd-1700-0000-dc24-9d54890c0000 pid=3209->guuid=a9238a29-1900-0000-dc24-9d54160f0000 pid=3862 clone guuid=f0cb9329-1900-0000-dc24-9d54170f0000 pid=3863 /tmp/sample.bin net send-data zombie guuid=81a754fd-1700-0000-dc24-9d54890c0000 pid=3209->guuid=f0cb9329-1900-0000-dc24-9d54170f0000 pid=3863 clone guuid=99bd91fe-1700-0000-dc24-9d548b0c0000 pid=3211 /tmp/sample.bin guuid=01ea83fe-1700-0000-dc24-9d548a0c0000 pid=3210->guuid=99bd91fe-1700-0000-dc24-9d548b0c0000 pid=3211 clone guuid=450aa1fe-1700-0000-dc24-9d548c0c0000 pid=3212 /tmp/sample.bin net send-data zombie guuid=01ea83fe-1700-0000-dc24-9d548a0c0000 pid=3210->guuid=450aa1fe-1700-0000-dc24-9d548c0c0000 pid=3212 clone guuid=450aa1fe-1700-0000-dc24-9d548c0c0000 pid=3212->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 555B b2255150-2060-5b7f-9786-12d5e647a020 84.201.5.31:12121 guuid=450aa1fe-1700-0000-dc24-9d548c0c0000 pid=3212->b2255150-2060-5b7f-9786-12d5e647a020 con guuid=f0cb9329-1900-0000-dc24-9d54170f0000 pid=3863->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 555B guuid=f0cb9329-1900-0000-dc24-9d54170f0000 pid=3863->b2255150-2060-5b7f-9786-12d5e647a020 con
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
68 / 100
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Sends malformed DNS queries
Uses dynamic DNS services
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1809683 Sample: morte.x86_64.elf Startdate: 07/11/2025 Architecture: LINUX Score: 68 22 mortex.duckdns.org. [malformed] 2->22 24 169.254.169.254, 80 USDOSUS Reserved 2->24 26 2 other IPs or domains 2->26 28 Malicious sample detected (through community Yara rule) 2->28 30 Multi AV Scanner detection for submitted file 2->30 32 Sample is packed with UPX 2->32 8 morte.x86_64.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 34 Sends malformed DNS queries 22->34 36 Uses dynamic DNS services 22->36 process4 process5 12 morte.x86_64.elf 8->12         started        14 morte.x86_64.elf 8->14         started        16 morte.x86_64.elf 8->16         started        process6 18 morte.x86_64.elf 12->18         started        20 morte.x86_64.elf 12->20         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-11-06 23:48:11 UTC
File Type:
ELF64 Little (Exe)
AV detection:
14 of 23 (60.87%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery linux upx
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Malware Config
C2 Extraction:
mortex.duckdns.org
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:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:upx_packed_elf_v1
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 a5af8a3b9df5a58788f5f57e8ae7206c469ab566f6c5b4caecec4a32f44fcf52

(this sample)

  
Delivery method
Distributed via web download

Comments