MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b7e2904a9fdb74cc2e8c04e7ceaa8b7d2a3a5a752243b69ed150b8491e17abcf. 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: b7e2904a9fdb74cc2e8c04e7ceaa8b7d2a3a5a752243b69ed150b8491e17abcf
SHA3-384 hash: 7172699cc50228892d463de577666097e2ae41a05aeba2a4e91a845c56fbb555c2364d9ce740d165c8eb73c56fe085f0
SHA1 hash: 29d8d4340566815b40b964e636e1f57b2a91f042
MD5 hash: 81dc74b2aa2d5951c4ad935a70ebe4bf
humanhash: kitten-stairway-lamp-butter
File name:vdataupdate.x86
Download: download sample
Signature Mirai
Create hunting rule
File size:22'148 bytes
First seen:2025-10-12 09:52:42 UTC
Last seen:2025-10-13 06:22:52 UTC
File type: elf
MIME type:application/x-executable
ssdeep 384:MMO+zgg8E8Y8TNBKRVkqgEcRDPpFTcZLUwyM2kRZLUBJdS83NRYzSy9:cQ8j4R2XEcRVdfH+LgHNRG9
TLSH T1D8A2E17AF07B2AEBEDA2A43A096EFCDB42657565D30D0694A60D024DE47F011E030EF9
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

Intelligence

File Origin
# of uploads :
3
# of downloads :
59
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sends data to a server
Receives data from a server
Runs as daemon
Connection attempt
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade packed threat upx
Link:
https://www.filescan.io/uploads/68eb7ab74f3013c55e4af0a4/reports/40a98c8d-2f3d-42fa-a400-6054ac574ee3/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
91.231.222.182/hiddenbin
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/b7e2904a9fdb74cc2e8c04e7ceaa8b7d2a3a5a752243b69ed150b8491e17abcf
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:
2025-10-11T20:24:00Z UTC
Last seen:
2025-10-14T03:58:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/b7e2904a9fdb74cc2e8c04e7ceaa8b7d2a3a5a752243b69ed150b8491e17abcf/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/79c11d03-f9d7-4202-af5d-cb736a7ebdf1
Behavior Graph:
Download SVG
%3 guuid=807ea8aa-1a00-0000-0880-ade4590a0000 pid=2649 /usr/bin/sudo guuid=bc0b0cad-1a00-0000-0880-ade4600a0000 pid=2656 /tmp/sample.bin net guuid=807ea8aa-1a00-0000-0880-ade4590a0000 pid=2649->guuid=bc0b0cad-1a00-0000-0880-ade4600a0000 pid=2656 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=bc0b0cad-1a00-0000-0880-ade4600a0000 pid=2656->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=39e27bad-1a00-0000-0880-ade4620a0000 pid=2658 /tmp/sample.bin zombie guuid=bc0b0cad-1a00-0000-0880-ade4600a0000 pid=2656->guuid=39e27bad-1a00-0000-0880-ade4620a0000 pid=2658 clone guuid=94567fad-1a00-0000-0880-ade4630a0000 pid=2659 /tmp/sample.bin guuid=bc0b0cad-1a00-0000-0880-ade4600a0000 pid=2656->guuid=94567fad-1a00-0000-0880-ade4630a0000 pid=2659 clone guuid=642085ad-1a00-0000-0880-ade4640a0000 pid=2660 /tmp/sample.bin net send-data zombie guuid=bc0b0cad-1a00-0000-0880-ade4600a0000 pid=2656->guuid=642085ad-1a00-0000-0880-ade4640a0000 pid=2660 clone guuid=642085ad-1a00-0000-0880-ade4640a0000 pid=2660->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con 547236c1-d19e-57d5-b5d6-251785f8d0c8 91.231.222.182:3778 guuid=642085ad-1a00-0000-0880-ade4640a0000 pid=2660->547236c1-d19e-57d5-b5d6-251785f8d0c8 send: 5B
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3797ccac-010e-48c7-8f3b-6531c5e7dd91
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1793552
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1793552 Sample: vdataupdate.x86.elf Startdate: 12/10/2025 Architecture: LINUX Score: 68 17 91.231.222.182, 3778, 41190 VODANETInternationalIP-BackboneofVodafoneDE Russian Federation 2->17 19 daisy.ubuntu.com 2->19 21 Malicious sample detected (through community Yara rule) 2->21 23 Multi AV Scanner detection for submitted file 2->23 25 Yara detected Mirai 2->25 27 Sample is packed with UPX 2->27 7 vdataupdate.x86.elf 2->7         started        9 python3.8 dpkg 2->9         started        signatures3 process4 process5 11 vdataupdate.x86.elf 7->11         started        13 vdataupdate.x86.elf 7->13         started        15 vdataupdate.x86.elf 7->15         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b7e2904a9fdb74cc2e8c04e7ceaa8b7d2a3a5a752243b69ed150b8491e17abcf
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b7e2904a9fdb74cc2e8c04e7ceaa8b7d2a3a5a752243b69ed150b8491e17abcf/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-10-12 01:21:28 UTC
File Type:
ELF32 Little (Exe)
AV detection:
23 of 37 (62.16%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=w7rjasu73n2mylumatt45kulpuvduwtvejb3nhwrkc4eshqxvphq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:lzrd botnet defense_evasion discovery linux upx
Link:
https://tria.ge/reports/251012-lw4xkahq8w/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Verdict:
Unknown
Tags:
trojan gafgyt
YARA:
Linux_Trojan_Gafgyt_ea92cca8
Link:
https://app.threat.zone/submission/8e8bbb6f-6d9d-4761-8bba-2f9fdee84381
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.50
Link:
https://yomi.yoroi.company/submissions/b7e2904a9fdb74cc2e8c04e7ceaa8b7d2a3a5a752243b69ed150b8491e17abcf

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:Linux_Trojan_Gafgyt_ea92cca8
Create hunting rule
Author:Elastic Security
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 a43f6a8613ef0b1d6123aada7ad34566d2e27c73bccccdb8e7bf68dbcc18677f

Mirai

elf b7e2904a9fdb74cc2e8c04e7ceaa8b7d2a3a5a752243b69ed150b8491e17abcf

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3669572/
  
Delivery method
Distributed via web download
  
Dropped by
SHA256 a43f6a8613ef0b1d6123aada7ad34566d2e27c73bccccdb8e7bf68dbcc18677f
  
Dropped by
MD5 732176a2ea3527b00b30cce08192a744
  
URLhaus
https://urlhaus.abuse.ch/url/3669377/
  
Dropped by
SHA256 ae36ef959616126f91e13df3bff4ffa956a362c38f6e0abeacd903b6f3a1a5ca
  
Dropped by
MD5 11bdf0149859b4efdaaaa976f122820f

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