MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bff91e7290d66b6eb7b1319ee22f4dd3253d0ee1bf2b5dacc95b2d1eb7902b49. 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 22 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bff91e7290d66b6eb7b1319ee22f4dd3253d0ee1bf2b5dacc95b2d1eb7902b49
SHA3-384 hash: 44aa2b0610882716c41c782d125fe73dd8d3225f335842193e543f5b6728a99528148728dbf7647a62f569339390c4cf
SHA1 hash: f9a61e644adf9140dd4c25bac2c9a766be2da5e7
MD5 hash: 80156a27b79316bfc14615364cf6678b
humanhash: jersey-wyoming-montana-two
File name:debug
Download: download sample
Signature Mirai
Create hunting rule
File size:107'796 bytes
First seen:2025-11-19 22:02:52 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:wRJZkUKQXtAPADMY+D6DO8urAUsPxbkNT8u5jM8XSr82rh1bEzaF3SJV:ykUEooY+GDO8xUEaMOS42tREHV
TLSH T18FB36DC9F643D0F5EC5701302276FB37AE72E9BE3228D993D3A89A327C11641D416A9C
telfhash t1fb31e5fab7764cd857d09903e58eab31bd0e27bb24503aa306f75834361715190bbc79
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 fa55f188f0026bd182b35fbadcf2153271ba1eb218a9805241886c0704df4719
File size (compressed) :48'060 bytes
File size (de-compressed) :107'796 bytes
Format:linux/i386
Packed file: fa55f188f0026bd182b35fbadcf2153271ba1eb218a9805241886c0704df4719

Intelligence

File Origin
# of uploads :
1
# of downloads :
46
Origin country :
NL NL
Vendor Threat Intelligence
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

SecuriteInfo.com.Linux.Siggen.9999-14.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-7136016-0
Create hunting rule

Unix.Dropper.Mirai-7136028-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

Unix.Trojan.Mirai-9441505-0
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
Connection attempt
Changes access rights for a written file
Sends data to a server
Receives data from a server
Changes access rights for a file
Opens a port
DNS request
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/691e3ec55bbff1003f0ae228/reports/0282b2dc-9e02-4881-8663-2309c3e60d74/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
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/bff91e7290d66b6eb7b1319ee22f4dd3253d0ee1bf2b5dacc95b2d1eb7902b49
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:
2025-11-19T20:13:00Z UTC
Last seen:
2025-11-19T22:33:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/bff91e7290d66b6eb7b1319ee22f4dd3253d0ee1bf2b5dacc95b2d1eb7902b49/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/48b80a94-ff9b-4d9d-b4a1-3317a93cd5dc
Behavior Graph:
Download SVG
%3 guuid=48a283ed-1a00-0000-9851-93348a0c0000 pid=3210 /usr/bin/sudo guuid=f9dbc4f0-1a00-0000-9851-93348b0c0000 pid=3211 /tmp/sample.bin net send-data guuid=48a283ed-1a00-0000-9851-93348a0c0000 pid=3210->guuid=f9dbc4f0-1a00-0000-9851-93348b0c0000 pid=3211 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=f9dbc4f0-1a00-0000-9851-93348b0c0000 pid=3211->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 585B 17d12814-2053-5003-8343-6c5dc360bc15 vcute69.bounceme.net:80 guuid=f9dbc4f0-1a00-0000-9851-93348b0c0000 pid=3211->17d12814-2053-5003-8343-6c5dc360bc15 send: 22B guuid=40a5d52c-1b00-0000-9851-9334c90c0000 pid=3273 /tmp/sample.bin dns net send-data guuid=f9dbc4f0-1a00-0000-9851-93348b0c0000 pid=3211->guuid=40a5d52c-1b00-0000-9851-9334c90c0000 pid=3273 clone guuid=bf2d2759-1c00-0000-9851-93348a0f0000 pid=3978 /tmp/sample.bin guuid=f9dbc4f0-1a00-0000-9851-93348b0c0000 pid=3211->guuid=bf2d2759-1c00-0000-9851-93348a0f0000 pid=3978 clone guuid=40a5d52c-1b00-0000-9851-9334c90c0000 pid=3273->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 874B 27df0594-2c83-55f0-869f-ffb273ade180 vcute69.bounceme.net:12121 guuid=40a5d52c-1b00-0000-9851-9334c90c0000 pid=3273->27df0594-2c83-55f0-869f-ffb273ade180 send: 140B guuid=629cdc2c-1b00-0000-9851-9334ca0c0000 pid=3274 /tmp/sample.bin guuid=40a5d52c-1b00-0000-9851-9334c90c0000 pid=3273->guuid=629cdc2c-1b00-0000-9851-9334ca0c0000 pid=3274 clone
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/63b8ea36-d2db-4271-bb43-952953309cba
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1817295
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1817295 Sample: debug.elf Startdate: 19/11/2025 Architecture: LINUX Score: 64 20 169.254.169.254, 80 USDOSUS Reserved 2->20 22 109.202.202.202, 80 INIT7CH Switzerland 2->22 24 2 other IPs or domains 2->24 26 Malicious sample detected (through community Yara rule) 2->26 28 Antivirus / Scanner detection for submitted sample 2->28 30 Yara detected Mirai 2->30 8 dash rm debug.elf 2->8         started        10 dash rm 2->10         started        12 python3.8 dpkg 2->12         started        signatures3 process4 process5 14 debug.elf 8->14         started        16 debug.elf 8->16         started        process6 18 debug.elf 14->18         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/bff91e7290d66b6eb7b1319ee22f4dd3253d0ee1bf2b5dacc95b2d1eb7902b49
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bff91e7290d66b6eb7b1319ee22f4dd3253d0ee1bf2b5dacc95b2d1eb7902b49/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-11-19 22:04:18 UTC
File Type:
ELF32 Little (Exe)
AV detection:
23 of 36 (63.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=x74r44uq2zvw5n5rggpoel2n2mst2dxbx4vv3lgjlmwr5n4qfneq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai defense_evasion discovery linux
Link:
https://tria.ge/reports/251119-1ynexsgp3v/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Malware Config
C2 Extraction:
vcute69.bounceme.net
Verdict:
Malicious
Tags:
trojan gafgyt mirai Unix.Trojan.Mirai-7100807-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Gafgyt_5bf62ce4 Linux_Trojan_Mirai_fa3ad9d0 Linux_Trojan_Mirai_b14f4c5d Linux_Trojan_Mirai_93fc3657 Linux_Trojan_Mirai_804f8e7c Linux_Trojan_Mirai_99d78950 Linux_Trojan_Mirai_a68e498c Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_ae9d0fa6 Linux_Trojan_Mirai_389ee3e9 Linux_Trojan_Mirai_cc93863b Linux_Trojan_Mirai_8aa7b5d3 Linux_Gafgyt_May_2024
Link:
https://app.threat.zone/submission/0e6ffeb0-0b4e-4557-a913-2cd054b16a12
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.26
Link:
https://yomi.yoroi.company/submissions/bff91e7290d66b6eb7b1319ee22f4dd3253d0ee1bf2b5dacc95b2d1eb7902b49

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: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:Linux_Trojan_Gafgyt_5bf62ce4
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_389ee3e9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_804f8e7c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_93fc3657
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_99d78950
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_a68e498c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_ae9d0fa6
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_fa3ad9d0
Create hunting rule
Author:Elastic Security
Rule name:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:Mirai_Unpack
Create hunting rule
Rule name:Qbot_Gafgyt_Bashlite
Create hunting rule
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 fa55f188f0026bd182b35fbadcf2153271ba1eb218a9805241886c0704df4719

Mirai

elf bff91e7290d66b6eb7b1319ee22f4dd3253d0ee1bf2b5dacc95b2d1eb7902b49

(this sample)

  
Dropped by
SHA256 fa55f188f0026bd182b35fbadcf2153271ba1eb218a9805241886c0704df4719
  
URLhaus
https://urlhaus.abuse.ch/url/3712125/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 6b5a9d8c63e68df249d54dc19851ebea
  
URLhaus
https://urlhaus.abuse.ch/url/3713351/

Comments