MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 37aafa311cb95ddca259fd24970dbc1e58f5db18609f403c69a7108077207f66. 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: 37aafa311cb95ddca259fd24970dbc1e58f5db18609f403c69a7108077207f66
SHA3-384 hash: 7fd09843ee6cf060f8d957d548eee05e10347b04c973e1249049cfea77deac2f7406266be40effdf620141160a7271e2
SHA1 hash: 54f28103e4d2e98266539496e242c9f673999770
MD5 hash: 0d8ef48460f171a0d8561d071bd30591
humanhash: king-bravo-victor-bacon
File name:sora.arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:51'444 bytes
First seen:2025-07-31 05:02:17 UTC
Last seen:2025-07-31 06:17:50 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:232NPB/QPYS60LopOzuUfGcL1VJGtTzwjxQ5kxA6x:Bp/QPYnpGfVL1VMzlkFx
TLSH T13A33F194CCF79623CA66383FA36805355DA48F3594FAB15B23305A4C66EB02171F6B62
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) :51'444 bytes
File size (de-compressed) :143'845 bytes
Format:linux/arm
Unpacked file: dadc3f52852ff6d8702b726a7aebce824d6da39c6e6b3ee3a73b999fa1137a2e

Intelligence

File Origin
# of uploads :
3
# of downloads :
29
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sends data to a server
Receives data from a server
Connection attempt
Runs as daemon
Substitutes an application name
Performs a bruteforce attack in the network
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
packed upx
Link:
https://www.filescan.io/uploads/688af91bc79df08ef099088e/reports/114b5435-f75f-4960-9c21-2505d1aed9f0/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
unknown
Number of open files:
31
Number of processes launched:
8
Processes remaning?
true
Remote TCP ports scanned:
23
Full report:
https://elfdigest.com/brief/37aafa311cb95ddca259fd24970dbc1e58f5db18609f403c69a7108077207f66
Behaviour
Process Renaming
Information Gathering
Botnet C2s
TCP botnet C2(s):
type:Mirai 103.20.102.84:1312
UDP botnet C2(s):
not identified
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/c169c92e-1056-436b-8365-b1776a9036b5
Behavior Graph:
Download SVG
%3 guuid=87dc55f6-1800-0000-4b54-d71b7d070000 pid=1917 /usr/bin/sudo guuid=528fbef8-1800-0000-4b54-d71b80070000 pid=1920 /tmp/sample.bin guuid=87dc55f6-1800-0000-4b54-d71b7d070000 pid=1917->guuid=528fbef8-1800-0000-4b54-d71b80070000 pid=1920 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/be2747c2-bc2f-4db9-9783-9d71c1c3af11
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/1747505
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: 1747505 Sample: sora.arm7.elf Startdate: 31/07/2025 Architecture: LINUX Score: 76 46 216.26.247.212 WINDSTREAMUS United States 2->46 48 100.45.131.104 WAYPORTUS United States 2->48 50 98 other IPs or domains 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 Multi AV Scanner detection for submitted file 2->54 56 Yara detected Mirai 2->56 58 Sample is packed with UPX 2->58 10 dash rm sora.arm7.elf 2->10         started        12 dash rm 2->12         started        14 python3.8 dpkg 2->14         started        signatures3 process4 process5 16 sora.arm7.elf 10->16         started        18 sora.arm7.elf 10->18         started        20 sora.arm7.elf 10->20         started        process6 22 sora.arm7.elf 16->22         started        24 sora.arm7.elf 16->24         started        26 sora.arm7.elf 18->26         started        28 sora.arm7.elf 18->28         started        30 sora.arm7.elf 18->30         started        process7 32 sora.arm7.elf 22->32         started        34 sora.arm7.elf 22->34         started        36 sora.arm7.elf 22->36         started        38 sora.arm7.elf 26->38         started        40 sora.arm7.elf 26->40         started        process8 42 sora.arm7.elf 32->42         started        44 sora.arm7.elf 32->44         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/37aafa311cb95ddca259fd24970dbc1e58f5db18609f403c69a7108077207f66
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/37aafa311cb95ddca259fd24970dbc1e58f5db18609f403c69a7108077207f66/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-07-31 05:03:30 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=g6vpumi4xfo5zisz7usjodn4dzmplwyymcpuapdju4iia5zap5ta._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:sora botnet defense_evasion discovery upx
Link:
https://tria.ge/reports/250731-fpvsesbm4w/
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Enumerates active TCP sockets
Modifies Watchdog functionality
Contacts a large (168037) amount of remote hosts
Creates a large amount of network flows
Mirai
Mirai family
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/fe0ace9e-17ec-4b72-abed-ba800668424e
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/37aafa311cb95ddca259fd24970dbc1e58f5db18609f403c69a7108077207f66

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: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

elf 37aafa311cb95ddca259fd24970dbc1e58f5db18609f403c69a7108077207f66

(this sample)

Mirai

elf dadc3f52852ff6d8702b726a7aebce824d6da39c6e6b3ee3a73b999fa1137a2e

  
URLhaus
https://urlhaus.abuse.ch/url/3593475/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 dadc3f52852ff6d8702b726a7aebce824d6da39c6e6b3ee3a73b999fa1137a2e
  
Dropping
MD5 fa4b716e942aa6b2dbf47254f2c2c9d0

Comments