MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 37490b35b3b2ad15b38e07c6d2614e277d2a43c76355f140c7c7ef6d7cf0f5ac. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 37490b35b3b2ad15b38e07c6d2614e277d2a43c76355f140c7c7ef6d7cf0f5ac
SHA3-384 hash: 404b5be559c13bb3b3e931c0a806b8da6007b0f14f52bc9b109b46a3a7a11a88333b72d5e9aaf44870c7640b3b6f99dc
SHA1 hash: 69cd96af543abe8def8b1f26216357c8b3385750
MD5 hash: d48c1d5f11905783d9fdea688151c776
humanhash: wolfram-chicken-glucose-grey
File name:ntarm
Download: download sample
Signature Mirai
Create hunting rule
File size:35'332 bytes
First seen:2025-12-23 02:43:26 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:xln3vJ/H8WwyYZl/jfWP0OQePSVtvgVwPghLqkG8k433D/ps3Uoz2A:xJvJP8WwySBjfWP0OLiBgVwPgdDx3D/4
TLSH T103F2F1A0B3A76D51C6B0E439C52C0CEBE5C3E369F4E9313A2C642268B4D51467DB279A
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) :35'332 bytes
File size (de-compressed) :75'392 bytes
Format:linux/arm
Unpacked file: b8a732a632c0cd50dfb807cd068f4bad0c1ec3050affebb735d7032401798e2f

Intelligence

File Origin
# of uploads :
1
# of downloads :
74
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/f8560bc5-7818-4eed-9a0d-ed4b2f8f3893/
Detection(s):
SecuriteInfo.com.Linux.Mirai-18.UNOFFICIAL
Create hunting rule

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
mirai packed upx
Link:
https://www.filescan.io/uploads/694a01fd84afa5547b5c78f7/reports/65428324-e3bb-481c-81eb-136ab7fc0f78/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-23T00:12:00Z UTC
Last seen:
2025-12-23T12:48:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/37490b35b3b2ad15b38e07c6d2614e277d2a43c76355f140c7c7ef6d7cf0f5ac/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/d521a888-10bb-4058-9242-cfc89fb7193d
Behavior Graph:
Download SVG
%3 guuid=e214b1e2-1900-0000-ede7-d7ff960c0000 pid=3222 /usr/bin/sudo guuid=0f6b53e5-1900-0000-ede7-d7ff990c0000 pid=3225 /tmp/sample.bin guuid=e214b1e2-1900-0000-ede7-d7ff960c0000 pid=3222->guuid=0f6b53e5-1900-0000-ede7-d7ff990c0000 pid=3225 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/48fda531-6910-47e9-a9bb-09306f408a32
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1838026
Signature
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample is packed with UPX
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1838026 Sample: ntarm.elf Startdate: 23/12/2025 Architecture: LINUX Score: 64 19 169.254.169.254, 80 USDOSUS Reserved 2->19 21 94.156.152.67, 18129, 44184 NET1-ASBG Bulgaria 2->21 23 2 other IPs or domains 2->23 25 Multi AV Scanner detection for submitted file 2->25 27 Yara detected Mirai 2->27 29 Sample is packed with UPX 2->29 8 ntarm.elf 2->8         started        11 python3.8 dpkg 2->11         started        signatures3 process4 signatures5 31 Sample deletes itself 8->31 13 ntarm.elf 8->13         started        process6 process7 15 ntarm.elf 13->15         started        17 ntarm.elf 13->17         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/37490b35b3b2ad15b38e07c6d2614e277d2a43c76355f140c7c7ef6d7cf0f5ac
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/37490b35b3b2ad15b38e07c6d2614e277d2a43c76355f140c7c7ef6d7cf0f5ac/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-23 02:44:17 UTC
File Type:
ELF32 Little (Exe)
AV detection:
12 of 24 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=g5eqwnntwkwrlm4oa7dneykoe56suq6hmnk7cqghy7xw27hq6wwa._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
upx
Link:
https://tria.ge/reports/251223-c75hssvjg1/
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/c0e1b3e4-7403-4de7-8a35-ee704fd9cbcf
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/37490b35b3b2ad15b38e07c6d2614e277d2a43c76355f140c7c7ef6d7cf0f5ac

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: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 f9880bbe5a89d7f785f0aadf21949d7348386abe000122689e28bf57427ae803

Mirai

elf 37490b35b3b2ad15b38e07c6d2614e277d2a43c76355f140c7c7ef6d7cf0f5ac

(this sample)

Mirai

elf b8a732a632c0cd50dfb807cd068f4bad0c1ec3050affebb735d7032401798e2f

  
URLhaus
https://urlhaus.abuse.ch/url/3740742/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 b8a732a632c0cd50dfb807cd068f4bad0c1ec3050affebb735d7032401798e2f
  
Dropping
MD5 c7a31be28f15f636ec3fe576db0927db
  
Dropped by
SHA256 f9880bbe5a89d7f785f0aadf21949d7348386abe000122689e28bf57427ae803
  
Dropped by
MD5 847c401bc833b2a04c3658d7ac31593a
  
URLhaus
https://urlhaus.abuse.ch/url/3738233/
  
Dropped by
SHA256 2753f5f7771d268ea371bd7f3a582295397b5df2877d4ab251358860ad153279
  
Dropped by
MD5 121a400fa65d095f9ab05a3ecfb6cb0e
  
URLhaus
https://urlhaus.abuse.ch/url/3740756/
  
URLhaus
https://urlhaus.abuse.ch/url/3742408/
  
URLhaus
https://urlhaus.abuse.ch/url/3742432/
  
URLhaus
https://urlhaus.abuse.ch/url/3742426/
  
URLhaus
https://urlhaus.abuse.ch/url/3742431/
  
Dropped by
SHA256 adb4688748f1465771d3522d319e9d8dc582697f88c9113093c67c18990936ec
  
Dropped by
MD5 45a8ba83cd26be24ff0aea69100679cf
  
Dropped by
SHA256 438a8f83d6a441a94a2220155439a171df2ae3e7e96eb932fd3c6848537c8f44
  
Dropped by
MD5 7b268ec5bb08fb01d92f0dd4b1d715aa
  
URLhaus
https://urlhaus.abuse.ch/url/3742379/
  
URLhaus
https://urlhaus.abuse.ch/url/3742382/
  
URLhaus
https://urlhaus.abuse.ch/url/3742387/
  
URLhaus
https://urlhaus.abuse.ch/url/3742435/

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