MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7a91aa1fa2085303c866a763173c8db8bf0f28d9a3c305fb87f7b75136ac36f8. 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: 7a91aa1fa2085303c866a763173c8db8bf0f28d9a3c305fb87f7b75136ac36f8
SHA3-384 hash: b2997c24f1dfe4134054b092d2d9eea21494f0e2b14d8af6d7ff2e8dde8c8a7175b05779d47d1973d8c2a504290c5147
SHA1 hash: 66c6ffb20bb4f47a5c93c523cd80d1fa50b2376e
MD5 hash: 10b964e87b77c85be8aa80b41f0df014
humanhash: one-lactose-three-seven
File name:morte.x86_64
Download: download sample
Signature Mirai
Create hunting rule
File size:40'068 bytes
First seen:2025-10-17 23:36:56 UTC
Last seen:2025-10-18 05:59:13 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:Uof4qHai0E4a/HykpXlpdSIcxggkMSA7aK1KOjHx0Y7:UtqHai54Q3pXlvSpggkMSA7aK1Kcx7
TLSH T12303E0F7E16BF47AC87551B909AF8780FE24B96C2B8A071741EB716DCCE708621126C8
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

Intelligence

File Origin
# of uploads :
2
# of downloads :
56
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Mirai-19.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Receives data from a server
Runs as daemon
Opens a port
Sends data to a server
Connection attempt
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
packed threat upx
Link:
https://www.filescan.io/uploads/68f2d3e9c85c5c56972d07e1/reports/8f184959-b339-4a8a-84d4-c393fd2efa1b/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
46
Number of processes launched:
6
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/7a91aa1fa2085303c866a763173c8db8bf0f28d9a3c305fb87f7b75136ac36f8
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2025-10-17T20:59:00Z UTC
Last seen:
2025-10-18T10:08:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/7a91aa1fa2085303c866a763173c8db8bf0f28d9a3c305fb87f7b75136ac36f8/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/c8a6b46b-0d2b-4420-a960-700d4e467d2a
Behavior Graph:
Download SVG
%3 guuid=6f35cd5b-1900-0000-e071-48b8a4080000 pid=2212 /usr/bin/sudo guuid=0187935e-1900-0000-e071-48b8ac080000 pid=2220 /tmp/sample.bin mprotect-exec net guuid=6f35cd5b-1900-0000-e071-48b8a4080000 pid=2212->guuid=0187935e-1900-0000-e071-48b8ac080000 pid=2220 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=0187935e-1900-0000-e071-48b8ac080000 pid=2220->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=7e6e1e5f-1900-0000-e071-48b8af080000 pid=2223 /tmp/sample.bin guuid=0187935e-1900-0000-e071-48b8ac080000 pid=2220->guuid=7e6e1e5f-1900-0000-e071-48b8af080000 pid=2223 clone guuid=6038aa89-1a00-0000-e071-48b8930a0000 pid=2707 /tmp/sample.bin guuid=0187935e-1900-0000-e071-48b8ac080000 pid=2220->guuid=6038aa89-1a00-0000-e071-48b8930a0000 pid=2707 clone guuid=3803b089-1a00-0000-e071-48b8940a0000 pid=2708 /tmp/sample.bin net send-data zombie guuid=0187935e-1900-0000-e071-48b8ac080000 pid=2220->guuid=3803b089-1a00-0000-e071-48b8940a0000 pid=2708 clone guuid=c8c5265f-1900-0000-e071-48b8b0080000 pid=2224 /tmp/sample.bin guuid=7e6e1e5f-1900-0000-e071-48b8af080000 pid=2223->guuid=c8c5265f-1900-0000-e071-48b8b0080000 pid=2224 clone guuid=243f2a5f-1900-0000-e071-48b8b1080000 pid=2225 /tmp/sample.bin net send-data zombie guuid=7e6e1e5f-1900-0000-e071-48b8af080000 pid=2223->guuid=243f2a5f-1900-0000-e071-48b8b1080000 pid=2225 clone guuid=243f2a5f-1900-0000-e071-48b8b1080000 pid=2225->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 675B 83b0964e-e5bb-55d5-a8e6-b9eaf25e09c1 144.172.109.62:80 guuid=243f2a5f-1900-0000-e071-48b8b1080000 pid=2225->83b0964e-e5bb-55d5-a8e6-b9eaf25e09c1 send: 22B guuid=3803b089-1a00-0000-e071-48b8940a0000 pid=2708->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 690B guuid=3803b089-1a00-0000-e071-48b8940a0000 pid=2708->83b0964e-e5bb-55d5-a8e6-b9eaf25e09c1 send: 22B
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/05a859e3-9a4b-4c7a-8df6-f69618b9f2d9
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1797467
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Uses dynamic DNS services
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1797467 Sample: morte.x86_64.elf Startdate: 18/10/2025 Architecture: LINUX Score: 64 22 mirailoversddos.duckdns.org 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 Uses dynamic DNS services 22->34 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       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/7a91aa1fa2085303c866a763173c8db8bf0f28d9a3c305fb87f7b75136ac36f8/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-10-17 23:41:38 UTC
File Type:
ELF64 Little (Exe)
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=pki2uh5cbbjqhsdgu5rropenxc7q6kgzupbql64h663vcnvmg34a._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery linux upx
Link:
https://tria.ge/reports/251017-3n27fafw6c/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Malware Config
C2 Extraction:
mirailoversddos.duckdns.org
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/e6f1ee28-2ae9-41fb-b0e3-f82df1b685dd
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/7a91aa1fa2085303c866a763173c8db8bf0f28d9a3c305fb87f7b75136ac36f8

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: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: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 7a91aa1fa2085303c866a763173c8db8bf0f28d9a3c305fb87f7b75136ac36f8

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3680221/
  
Delivery method
Distributed via web download

Comments