MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 91c2486b644cc56b3dfd7c4cae8b29c5c1b5e27a398d10107288b5019bfc82e2. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 91c2486b644cc56b3dfd7c4cae8b29c5c1b5e27a398d10107288b5019bfc82e2
SHA3-384 hash: cf8136594552de4c860fee859f1d61afc3a379909124f72a6ce8bc1a3aecfd4232d459052aadd7b1a29c4cb1cef2dc7e
SHA1 hash: 5172d91754ce9a06bab69773db34b449e14ddb51
MD5 hash: 1c0f17f2c8fe24404b5725ba71074ba7
humanhash: winner-echo-hamper-floor
File name:debug
Download: download sample
Signature Mirai
Create hunting rule
File size:40'028 bytes
First seen:2025-11-04 23:30:43 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:eSbw8FwnvKqLSnxEa0iGSXS7LVF1hUiobF9//IOXv1nbcuyD7UHQRj2:vbn4LIxVFRXSn71KLF9//Vv1nouy8Hya
TLSH T1EC03E11AD0F04B80E4A9953A65FD374EB991F5BD8C81D54AF998FC3F00127F92A2C729
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) :40'028 bytes
File size (de-compressed) :79'796 bytes
Format:linux/i386
Unpacked file: e656cb93b41f1924f55be38e709fabcf71b8496a2d965794fd12ca74a1fe4b36

Intelligence

File Origin
# of uploads :
1
# of downloads :
54
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Unix.Dropper.Mirai-7135858-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
DNS request
Receives data from a server
Opens a port
Sends data to a server
Gathering data
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
46
Number of processes launched:
4
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/91c2486b644cc56b3dfd7c4cae8b29c5c1b5e27a398d10107288b5019bfc82e2
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-11-04T20:37:00Z UTC
Last seen:
2025-11-06T10:38:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj HEUR:Backdoor.Linux.Mirai.r
Link:
https://opentip.kaspersky.com/91c2486b644cc56b3dfd7c4cae8b29c5c1b5e27a398d10107288b5019bfc82e2/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/dcde1107-cedb-4363-986c-c30799315db7
Behavior Graph:
Download SVG
%3 guuid=4e924df8-1700-0000-ce70-53dc6c0c0000 pid=3180 /usr/bin/sudo guuid=8674b7fa-1700-0000-ce70-53dc730c0000 pid=3187 /tmp/sample.bin net send-data guuid=4e924df8-1700-0000-ce70-53dc6c0c0000 pid=3180->guuid=8674b7fa-1700-0000-ce70-53dc730c0000 pid=3187 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=8674b7fa-1700-0000-ce70-53dc730c0000 pid=3187->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 950B 310a0ed0-c544-54ca-bf3f-fca55e459297 65.222.202.53:80 guuid=8674b7fa-1700-0000-ce70-53dc730c0000 pid=3187->310a0ed0-c544-54ca-bf3f-fca55e459297 send: 4B guuid=ca4d4337-1800-0000-ce70-53dcb50c0000 pid=3253 /tmp/sample.bin dns net send-data guuid=8674b7fa-1700-0000-ce70-53dc730c0000 pid=3187->guuid=ca4d4337-1800-0000-ce70-53dcb50c0000 pid=3253 clone guuid=b29a5c64-1900-0000-ce70-53dcc50e0000 pid=3781 /tmp/sample.bin guuid=8674b7fa-1700-0000-ce70-53dc730c0000 pid=3187->guuid=b29a5c64-1900-0000-ce70-53dcc50e0000 pid=3781 clone guuid=ca4d4337-1800-0000-ce70-53dcb50c0000 pid=3253->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 1110B guuid=ca4d4337-1800-0000-ce70-53dcb50c0000 pid=3253->310a0ed0-c544-54ca-bf3f-fca55e459297 send: 4B guuid=836f5137-1800-0000-ce70-53dcb60c0000 pid=3254 /tmp/sample.bin guuid=ca4d4337-1800-0000-ce70-53dcb50c0000 pid=3253->guuid=836f5137-1800-0000-ce70-53dcb60c0000 pid=3254 clone
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6dbb3739-9411-47b7-b383-5e6f4b0321c1
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1808167
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1808167 Sample: debug.elf Startdate: 05/11/2025 Architecture: LINUX Score: 60 18 169.254.169.254, 80 USDOSUS Reserved 2->18 20 65.222.202.53, 80 CAPEREGIONALHEALTHSYSTEMUS United States 2->20 22 2 other IPs or domains 2->22 24 Malicious sample detected (through community Yara rule) 2->24 26 Multi AV Scanner detection for submitted file 2->26 28 Sample is packed with UPX 2->28 8 debug.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 process4 process5 12 debug.elf 8->12         started        14 debug.elf 8->14         started        process6 16 debug.elf 12->16         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/91c2486b644cc56b3dfd7c4cae8b29c5c1b5e27a398d10107288b5019bfc82e2
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/91c2486b644cc56b3dfd7c4cae8b29c5c1b5e27a398d10107288b5019bfc82e2/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/91c2486b644cc56b3dfd7c4cae8b29c5c1b5e27a398d10107288b5019bfc82e2
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-11-04 23:31:41 UTC
File Type:
ELF32 Little (Exe)
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=shbeq23ejtcwwpp5prgk5czjyxa3lyt2hggraedsrc2qdg74qlra._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/251104-3h1fnaxjgs/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Malware Config
C2 Extraction:
api.mangawizard.lol
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7135858-0
YARA:
n/a
Link:
https://app.threat.zone/submission/7b0c6590-a0a5-462d-8ab7-c0d5efc07f26
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.29
Link:
https://yomi.yoroi.company/submissions/91c2486b644cc56b3dfd7c4cae8b29c5c1b5e27a398d10107288b5019bfc82e2

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: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 91c2486b644cc56b3dfd7c4cae8b29c5c1b5e27a398d10107288b5019bfc82e2

(this sample)

Mirai

elf e656cb93b41f1924f55be38e709fabcf71b8496a2d965794fd12ca74a1fe4b36

  
URLhaus
https://urlhaus.abuse.ch/url/3695593/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 e656cb93b41f1924f55be38e709fabcf71b8496a2d965794fd12ca74a1fe4b36
  
Dropping
MD5 e91aafb2f8b53618c997225bce28fc1d

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