MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b8191973af562bb558e54fb4a28aaded48dd8ee2fc7e2e6a5d7748ebd6a6ec8e. 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: 13


Intelligence 13 IOCs YARA 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b8191973af562bb558e54fb4a28aaded48dd8ee2fc7e2e6a5d7748ebd6a6ec8e
SHA3-384 hash: 9c6d8e454208ec22bf289296a3a53ae1b61d1f7a5b29b872003e900eca6c9162a253207482643934666e7af2a03c8d63
SHA1 hash: 5fe4d4d89b8f7d68860dd1b38ebe121ad11c8159
MD5 hash: ab7b0bdda315415b3227fb39f216771c
humanhash: paris-cup-enemy-nine
File name:boatnet.arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:225'035 bytes
First seen:2025-11-08 11:44:24 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:tvERpNp86wShWU3NmaDTsOZWuv7wKeaxrkQ9M/RBGnwmH2WBLB5n:iRpNp86Z3NmaDTsOZWwMoyQG/enwmH1F
TLSH T13D243A42EA408F13C0D717BAF6DF4245333397A593E7B306A924ABB43F8679E4E22515
telfhash t1c2310ff2576a922a5a55daac9dec67a10519cb135342ff33ff21c4ec241500eea19c4f
Magika elf
Reporter abuse_ch
Tags:elf gafgyt mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 643ccebfdacf6019e4ece7d787bcc4a99642c071a5f405da5e414d26850cdee2
File size (compressed) :77'272 bytes
File size (de-compressed) :225'035 bytes
Format:linux/arm
Packed file: 643ccebfdacf6019e4ece7d787bcc4a99642c071a5f405da5e414d26850cdee2

Intelligence

File Origin
# of uploads :
1
# of downloads :
42
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.28940.LC.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7135925-0
Create hunting rule

Unix.Dropper.Mirai-7136013-0
Create hunting rule

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

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

Unix.Trojan.Mirai-9760303-0
Create hunting rule

Unix.Trojan.Mirai-9858729-0
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
Sends data to a server
Runs as daemon
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gafgyt gcc masquerade mirai rust
Link:
https://www.filescan.io/uploads/690f2d538938e2fe22162214/reports/a6228d3b-2c17-4bfb-b33f-ff5f983f6235/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
25
Number of processes launched:
3
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/b8191973af562bb558e54fb4a28aaded48dd8ee2fc7e2e6a5d7748ebd6a6ec8e
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-11-08T09:17:00Z UTC
Last seen:
2025-11-08T10:02:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/b8191973af562bb558e54fb4a28aaded48dd8ee2fc7e2e6a5d7748ebd6a6ec8e/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/e55e17c2-b9d5-446a-a39f-b6d56852359e
Behavior Graph:
Download SVG
%3 guuid=bcc4b002-1a00-0000-ddc8-649d940a0000 pid=2708 /usr/bin/sudo guuid=a4838505-1a00-0000-ddc8-649d9d0a0000 pid=2717 /tmp/sample.bin guuid=bcc4b002-1a00-0000-ddc8-649d940a0000 pid=2708->guuid=a4838505-1a00-0000-ddc8-649d9d0a0000 pid=2717 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/95fa5173-1c92-4827-bf1e-30a6e975d6a7
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/1810466
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample tries to kill multiple processes (SIGKILL)
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1810466 Sample: boatnet.arm7.elf Startdate: 08/11/2025 Architecture: LINUX Score: 76 24 169.254.169.254, 80 USDOSUS Reserved 2->24 26 151.243.109.14, 3778 RASANAIR Iran (ISLAMIC Republic Of) 2->26 28 daisy.ubuntu.com 2->28 30 Malicious sample detected (through community Yara rule) 2->30 32 Antivirus / Scanner detection for submitted sample 2->32 34 Multi AV Scanner detection for submitted file 2->34 36 Yara detected Mirai 2->36 7 boatnet.arm7.elf 2->7         started        9 xfce4-panel wrapper-2.0 2->9         started        11 xfce4-panel wrapper-2.0 2->11         started        13 7 other processes 2->13 signatures3 process4 process5 15 boatnet.arm7.elf 7->15         started        18 boatnet.arm7.elf 7->18         started        20 boatnet.arm7.elf 7->20         started        22 wrapper-2.0 xfpm-power-backlight-helper 9->22         started        signatures6 38 Sample tries to kill multiple processes (SIGKILL) 15->38
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b8191973af562bb558e54fb4a28aaded48dd8ee2fc7e2e6a5d7748ebd6a6ec8e
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b8191973af562bb558e54fb4a28aaded48dd8ee2fc7e2e6a5d7748ebd6a6ec8e/
Threat name:
Linux.Trojan.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2025-11-08 11:45:23 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=xamrs45pkyv3kwhfj62kfcvn5ven3dxc7r7c42s5o5eoxvvg5sha._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:lzrd defense_evasion discovery
Link:
https://tria.ge/reports/251108-nwxvcsep5z/
Behaviour
Reads runtime system information
Writes file to system bin folder
Modifies Watchdog functionality
Verdict:
Malicious
Tags:
trojan gafgyt Unix.Dropper.Mirai-7135925-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Gafgyt_ea92cca8 Linux_Gafgyt_May_2024
Link:
https://app.threat.zone/submission/f7dd828d-d812-4294-9edf-80855d9c8bd4
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:botnet_Yakuza
Create hunting rule
Author:NDA0E
Description:Yakuza botnet
Rule name:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
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_ea92cca8
Create hunting rule
Author:Elastic Security
Rule name:MAL_ARM_LNX_Mirai_Mar13_2022
Create hunting rule
Author:Mehmet Ali Kerimoglu a.k.a. CYB3RMX
Description:Detects new ARM Mirai variant
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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 643ccebfdacf6019e4ece7d787bcc4a99642c071a5f405da5e414d26850cdee2

Mirai

elf b8191973af562bb558e54fb4a28aaded48dd8ee2fc7e2e6a5d7748ebd6a6ec8e

(this sample)

  
Dropped by
SHA256 643ccebfdacf6019e4ece7d787bcc4a99642c071a5f405da5e414d26850cdee2
  
URLhaus
https://urlhaus.abuse.ch/url/3700468/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 b7ca0bc85bfd1ddc00e5c56e2c072a90

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