MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b99240e52409060b4dba6a685391bde4d21bfde1d4ea7161a426e8e48995249d. 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: 10


Intelligence 10 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b99240e52409060b4dba6a685391bde4d21bfde1d4ea7161a426e8e48995249d
SHA3-384 hash: 354ad12bdbfa9d55a6130f7605b73c73a3baff661b59c62610285d067e34fc6849a704ff917ed1ffeadbc62f8bcdddc9
SHA1 hash: 36aff44b8b545e4d87d50114d55f3704f56e4c7b
MD5 hash: d24556fc641cba5e11bfa54de5805dd4
humanhash: pennsylvania-jupiter-xray-comet
File name:boatnet.x86
Download: download sample
Signature Mirai
Create hunting rule
File size:46'724 bytes
First seen:2025-08-24 04:28:36 UTC
Last seen:2025-08-24 06:00:25 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:EessG0aMqhILLSH/GymQfMhpcqNzgmPtY3wXzXkrrewnbcuyD7UoQRjM:EessLfL4QxhpcpmFCwD0rnnouy8oyw
TLSH T1A523F12ADBE2002CF5DD1036A46ADBCB0D90EA1F73B4CB513DD4957D91C6F2D66202B1
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) :46'724 bytes
File size (de-compressed) :123'208 bytes
Format:linux/i386
Unpacked file: 6d007a2379ca8fd32185f3c554bc490bba5b1f6710bf02471258c4c6ead6da1a

Intelligence

File Origin
# of uploads :
2
# of downloads :
41
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Unix.Dropper.Mirai-7135858-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Sends data to a server
Receives data from a server
Runs as daemon
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade packed threat upx
Link:
https://www.filescan.io/uploads/68aa956d7137d6845839b9cd/reports/2a898ba6-9e13-49bb-a710-5ae57d998448/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
1
Number of processes launched:
4
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/b99240e52409060b4dba6a685391bde4d21bfde1d4ea7161a426e8e48995249d
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
type:Mirai 89.213.44.31:3778
UDP botnet C2(s):
not identified
Verdict:
Unknown
File Type:
elf.32.le
Link:
https://opentip.kaspersky.com/b99240e52409060b4dba6a685391bde4d21bfde1d4ea7161a426e8e48995249d/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/33084a0a-e954-4d25-942b-52f156eb54d3
Behavior Graph:
Download SVG
%3 guuid=3a3a564c-1a00-0000-b167-0f8b2e0b0000 pid=2862 /usr/bin/sudo guuid=2812234f-1a00-0000-b167-0f8b370b0000 pid=2871 /tmp/sample.bin net guuid=3a3a564c-1a00-0000-b167-0f8b2e0b0000 pid=2862->guuid=2812234f-1a00-0000-b167-0f8b370b0000 pid=2871 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=2812234f-1a00-0000-b167-0f8b370b0000 pid=2871->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=8a320550-1a00-0000-b167-0f8b3b0b0000 pid=2875 /tmp/sample.bin zombie guuid=2812234f-1a00-0000-b167-0f8b370b0000 pid=2871->guuid=8a320550-1a00-0000-b167-0f8b3b0b0000 pid=2875 clone guuid=e22a0f50-1a00-0000-b167-0f8b3c0b0000 pid=2876 /tmp/sample.bin guuid=2812234f-1a00-0000-b167-0f8b370b0000 pid=2871->guuid=e22a0f50-1a00-0000-b167-0f8b3c0b0000 pid=2876 clone guuid=0e251850-1a00-0000-b167-0f8b3d0b0000 pid=2877 /tmp/sample.bin net send-data zombie guuid=2812234f-1a00-0000-b167-0f8b370b0000 pid=2871->guuid=0e251850-1a00-0000-b167-0f8b3d0b0000 pid=2877 clone guuid=0e251850-1a00-0000-b167-0f8b3d0b0000 pid=2877->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con 92ae2485-e56b-5e85-b084-97dbed38b492 89.213.44.31:3778 guuid=0e251850-1a00-0000-b167-0f8b3d0b0000 pid=2877->92ae2485-e56b-5e85-b084-97dbed38b492 send: 5B
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9461b8e4-2a59-42fd-bd21-6c020076600d
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1763861
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Sample tries to kill multiple processes (SIGKILL)
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1763861 Sample: boatnet.x86.elf Startdate: 24/08/2025 Architecture: LINUX Score: 72 24 169.254.169.254, 80 USDOSUS Reserved 2->24 26 89.213.44.31, 3778, 38296 EDGEtaGCIComGB United Kingdom 2->26 28 daisy.ubuntu.com 2->28 30 Malicious sample detected (through community Yara rule) 2->30 32 Multi AV Scanner detection for submitted file 2->32 34 Yara detected Mirai 2->34 36 Sample is packed with UPX 2->36 7 boatnet.x86.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.x86.elf 7->15         started        18 boatnet.x86.elf 7->18         started        20 boatnet.x86.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/b99240e52409060b4dba6a685391bde4d21bfde1d4ea7161a426e8e48995249d
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b99240e52409060b4dba6a685391bde4d21bfde1d4ea7161a426e8e48995249d/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-08-24 04:35:50 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=xgjebzjebedawtn2njufhen54tjbx7pb2tvhcynee3uojcmvesoq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
linux rootkit upx
Link:
https://tria.ge/reports/250824-e5aazsdl6t/
Behaviour
Loads a kernel module
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7135858-0
YARA:
n/a
Link:
https://app.threat.zone/submission/13263293-e95a-4663-9264-c13662b6554a
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/b99240e52409060b4dba6a685391bde4d21bfde1d4ea7161a426e8e48995249d

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:CP_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
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:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
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

sh 02fe8d9dfabcca6fe7b91f84de86f2aa28757fb03e569acd39d3a9057e0aa06f

Mirai

elf b99240e52409060b4dba6a685391bde4d21bfde1d4ea7161a426e8e48995249d

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3610339/
  
Delivery method
Distributed via web download
  
Dropped by
SHA256 02fe8d9dfabcca6fe7b91f84de86f2aa28757fb03e569acd39d3a9057e0aa06f
  
Dropped by
MD5 578e2f8d0c82f481d3aa68263bcf32f6
  
URLhaus
https://urlhaus.abuse.ch/url/3611105/

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