MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 91bcdaf2b405b11a79eb1fb9d5633f3793dc71d85d1cc6f0eb39515a3a4061d6. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 91bcdaf2b405b11a79eb1fb9d5633f3793dc71d85d1cc6f0eb39515a3a4061d6
SHA3-384 hash: f84aec2c71390a7dcc95d0c5e5326a3eb49571d56f96721e2552944a36ee2c7b6bc8848a9cc6787d4d51c2dab0d87afe
SHA1 hash: 253813410c376dee3b47272a84c4ee5ca4feeebc
MD5 hash: f4b4797a2b357c474604cf53fde5bd58
humanhash: carbon-mike-monkey-berlin
File name:ub8ehJSePAfc9FYqZIT6.mpsl
Download: download sample
Signature Mirai
Create hunting rule
File size:223'908 bytes
First seen:2026-01-09 19:56:45 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:ftBRkL523MFTrKn1ya7UEsFRKiXFKRH3waA1PrH:ftBRkL5Ie01ya+8iX8JY5r
TLSH T1DC24C509AFA10FBBD8ABCE3706E90B4229CC641726A83F757674D528F50A64F19D3C74
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-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 fe8690936f02e119ef76392cc39b36eddeb9669b5f7ae3b40959beac07e8a640
File size (compressed) :68'548 bytes
File size (de-compressed) :223'908 bytes
Format:linux/mipsel
Packed file: fe8690936f02e119ef76392cc39b36eddeb9669b5f7ae3b40959beac07e8a640

Intelligence

File Origin
# of uploads :
1
# of downloads :
77
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/96cbc5d7-58be-45df-a2de-ef05d77065a6/
Detection(s):
Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

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

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

Sanesecurity.Malware.32133.LX.BOT.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-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.Trojan.Mirai-8025795-0
Create hunting rule

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

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

Unix.Dropper.Mirai-10007027-0
Create hunting rule

Unix.Trojan.Mirai-10009361-0
Create hunting rule

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

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

Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Kills processes
Receives data from a server
Locks files
Sends data to a server
DNS request
Deletes a file
Connection attempt
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
gafgyt masquerade mirai obfuscated
Link:
https://www.filescan.io/uploads/69615db130368802bb7e66b2/reports/2ee322f0-e693-44b8-b869-d479539da8e8/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-09T18:09:00Z UTC
Last seen:
2026-01-10T00:21:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/91bcdaf2b405b11a79eb1fb9d5633f3793dc71d85d1cc6f0eb39515a3a4061d6/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/7c2dab16-e50c-4730-8825-6200f77916fe
Behavior Graph:
Download SVG
%3 guuid=26859dc3-1700-0000-90e2-771fd10b0000 pid=3025 /usr/bin/sudo guuid=5d015dc5-1700-0000-90e2-771fd80b0000 pid=3032 /tmp/sample.bin guuid=26859dc3-1700-0000-90e2-771fd10b0000 pid=3025->guuid=5d015dc5-1700-0000-90e2-771fd80b0000 pid=3032 execve guuid=94a5d2c6-1700-0000-90e2-771fdf0b0000 pid=3039 /usr/bin/dash guuid=5d015dc5-1700-0000-90e2-771fd80b0000 pid=3032->guuid=94a5d2c6-1700-0000-90e2-771fdf0b0000 pid=3039 clone guuid=6c27e3c6-1700-0000-90e2-771fe00b0000 pid=3040 /usr/bin/dash guuid=5d015dc5-1700-0000-90e2-771fd80b0000 pid=3032->guuid=6c27e3c6-1700-0000-90e2-771fe00b0000 pid=3040 clone guuid=ce91f4c6-1700-0000-90e2-771fe20b0000 pid=3042 /usr/bin/dash guuid=5d015dc5-1700-0000-90e2-771fd80b0000 pid=3032->guuid=ce91f4c6-1700-0000-90e2-771fe20b0000 pid=3042 clone
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/8f5030ed-0d82-4bc2-9b2f-5662db28677d
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1847612
Signature
Antivirus / Scanner detection for submitted sample
Found malware configuration
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1847612 Sample: ub8ehJSePAfc9FYqZIT6.mpsl.elf Startdate: 09/01/2026 Architecture: LINUX Score: 88 26 weifang.serveftp.com 45.83.207.173, 3778, 46686, 46688 CLOUVIDERClouvider-GlobalASNGB Netherlands 2->26 28 Found malware configuration 2->28 30 Malicious sample detected (through community Yara rule) 2->30 32 Antivirus / Scanner detection for submitted sample 2->32 34 3 other signatures 2->34 8 ub8ehJSePAfc9FYqZIT6.mpsl.elf 2->8         started        signatures3 process4 process5 10 ub8ehJSePAfc9FYqZIT6.mpsl.elf 8->10         started        12 ub8ehJSePAfc9FYqZIT6.mpsl.elf 8->12         started        14 ub8ehJSePAfc9FYqZIT6.mpsl.elf 8->14         started        16 3 other processes 8->16 process6 18 ub8ehJSePAfc9FYqZIT6.mpsl.elf 10->18         started        20 ub8ehJSePAfc9FYqZIT6.mpsl.elf 10->20         started        22 ub8ehJSePAfc9FYqZIT6.mpsl.elf 10->22         started        24 ub8ehJSePAfc9FYqZIT6.mpsl.elf 10->24         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/91bcdaf2b405b11a79eb1fb9d5633f3793dc71d85d1cc6f0eb39515a3a4061d6
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/91bcdaf2b405b11a79eb1fb9d5633f3793dc71d85d1cc6f0eb39515a3a4061d6/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-09 19:57:39 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=sg6nv4vuawyru6pld645kyz7g6j5y4oyluomn4hlhfivuosamhla._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai defense_evasion discovery
Link:
https://tria.ge/reports/260109-ypkassgw5h/
Behaviour
Reads runtime system information
Writes file to tmp directory
Reads system network configuration
Enumerates active TCP sockets
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Verdict:
Malicious
Tags:
trojan gafgyt Unix.Trojan.Mirai-7100807-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Gafgyt_May_2024
Link:
https://app.threat.zone/submission/8da4d342-6a6a-41ea-a581-d09dc2f8f753
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/91bcdaf2b405b11a79eb1fb9d5633f3793dc71d85d1cc6f0eb39515a3a4061d6

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:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
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 fe8690936f02e119ef76392cc39b36eddeb9669b5f7ae3b40959beac07e8a640

Mirai

elf 91bcdaf2b405b11a79eb1fb9d5633f3793dc71d85d1cc6f0eb39515a3a4061d6

(this sample)

  
Dropped by
SHA256 fe8690936f02e119ef76392cc39b36eddeb9669b5f7ae3b40959beac07e8a640
  
URLhaus
https://urlhaus.abuse.ch/url/3753593/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 0ed8a69140e5c664bf2ce933f9d6d3ff

Comments